CN111863168A - Hardware system with exchange protocol - Google Patents

Hardware system with exchange protocol Download PDF

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CN111863168A
CN111863168A CN202010666884.XA CN202010666884A CN111863168A CN 111863168 A CN111863168 A CN 111863168A CN 202010666884 A CN202010666884 A CN 202010666884A CN 111863168 A CN111863168 A CN 111863168A
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hardware system
patient
data
medical
doctor
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唐熠达
邵春丽
刘勇
苏中谦
汪京嘉
田间
程宇镳
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Fuwai Hospital of CAMS and PUMC
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    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H10/00—ICT specially adapted for the handling or processing of patient-related medical or healthcare data
    • G16H10/60—ICT specially adapted for the handling or processing of patient-related medical or healthcare data for patient-specific data, e.g. for electronic patient records
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
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    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/602—Providing cryptographic facilities or services
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    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
    • G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
    • G06F21/6245—Protecting personal data, e.g. for financial or medical purposes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
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    • G16H80/00—ICT specially adapted for facilitating communication between medical practitioners or patients, e.g. for collaborative diagnosis, therapy or health monitoring
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H04L63/0442—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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    • H—ELECTRICITY
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    • H04L9/008—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols involving homomorphic encryption
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    • G06F2221/2141—Access rights, e.g. capability lists, access control lists, access tables, access matrices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees

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Abstract

The invention belongs to the field of medical treatment, and particularly provides a hardware system with an exchange protocol, which comprises a data collection, storage and operation hardware system, and under the premise that a patient agrees or submits the account information and/or personal medical data and/or microbial infection condition and/or new crown pneumonia infection condition of the patient are/is recorded into the hardware system with the exchange protocol, so that doctor-patient information can be directly pushed mutually. Through the implementation of the invention, the barrier of information non-intercommunication between medical institutions is broken, and a tool capable of automatically managing the medical process is provided for patients and medical institutions.

Description

Hardware system with exchange protocol
The technical field is as follows:
the invention belongs to the field of medical treatment, and particularly provides a large data sharing platform system which breaks the barrier of information non-intercommunication among medical institutions and provides reliable support for patient monitoring.
Background art:
the AI-based big data management is widely applied to various industries, but because of the particularity of the medical industry, the limitations of profession, accuracy, personal privacy protection and the like are involved, and the collection and sharing of big data are difficult to achieve. The collection of large data is therefore almost impossible.
Although the privacy security of medical information is protected, the research on the current situation of the whole national diseases can only be based on targeted queue research, and each research needs to consume a large amount of resources of manpower, material resources and financial resources and time cost, so that the research result has hysteresis.
Moreover, many people who study repeatedly collect information in different diseases, so that scientific research resources are greatly wasted; it is difficult for the national strategy to provide strong support because of the lack of big data management of the overall disease.
How to ensure the accuracy and reliability of medical information and protect the privacy of patients, and can break the barrier of information non-intercommunication among medical institutions, realize a large data sharing platform and provide reliable basis for national medical strategies. There is no perfect solution to this problem.
The invention content is as follows:
the invention aims to provide a hardware system with an exchange protocol, which comprises a hardware system for data collection, storage and operation, wherein the hardware system records account information and/or personal medical data and/or microbial infection conditions and/or new crown pneumonia infection conditions of a patient into the hardware system on the premise that the patient is informed to approve or actively submit, and the record or call of the account information and/or personal medical data and/or microbial infection conditions and/or new crown pneumonia infection conditions of the patient adopts an encryption and/or decryption mode.
The above hardware system, the account information and/or the personal medical data and/or the microbial infection status and/or the new coronary pneumonia infection status of the patient, especially particularly emphasizing the microbial infection status and the new coronary pneumonia infection status, wherein the source may also be an operating system, social media, taxi software, game software, shared home software, navigation software, travel push software, video software or payment system, especially including IOS, android, you, love art, youtube, Airbnb, microblog, where to go, carry away, fast hand, tremble, Baidu map, Gandy map, Google map, Teng map, headline, face book, twitter, WeChao, Paobao, and the like.
The hardware system and the wearable device perform information input and/or output according to the protocol interface; the wearable device is selected from one or more of an earphone, a sound box, a bracelet or a mobile phone.
The hardware system is characterized in that the hardware system can be used for inputting one or more of paper medical records, diagnosis reports, voice diagnosis of doctors or medical images of patients.
The hardware system is characterized in that the paper medical record, the diagnosis report or the medical image can be identified or stored after being identified.
The above hardware system is characterized in that the account information and/or personal medical data and/or microbial infection status and/or new coronary pneumonia infection status of the patient can be pushed to the first-aid doctor and/or the emergency doctor in grades.
The above hardware system is characterized in that the account information and/or personal medical data and/or microbial infection status and/or new coronary pneumonia infection status of the patient are directly pushed to a first doctor and/or an emergency doctor in the severe emergency.
The hardware system is characterized in that the account information and/or personal medical data and/or microbial infection condition and/or new coronary pneumonia infection condition of the patient are directly pushed to a first doctor and/or an emergency doctor in the severe emergency treatment, and the operation can be set by the patient in advance.
The hardware system is characterized in that the hardware system can compare or calculate the diagnosis and treatment scheme, the administration prescription or the medical record of the doctor with the diagnosis report of the patient or the clinical taboo of the prior medical history; if the error or doubt exists, the grade is not set to be fed back to the doctor.
The above hardware system is characterized in that the hardware system can disclose the importance degree of the patient for the diagnosis and treatment to the doctor.
The hardware system is characterized in that one or more of patient education information, medication frequency, medication prescriptions, exercise prescriptions, doctor call reminders, review reminders or medical advice information can be pushed to the patient or the guardian on the premise that the user confirms authorization.
The hardware system is characterized in that the hardware system can operate according to a set program.
The hardware system is characterized in that the self-calculation result can be pushed to a doctor.
The hardware system is characterized in that the result of the self-operation can be pushed to the patient.
The hardware system is characterized in that the patient is a high-risk patient.
The hardware system as described above, wherein said patient is over 65 years of age.
The hardware system can be realized by adopting the following method:
(1) encrypting the personal medical data by using a personal key, storing the personal medical data in a distributed storage space which can be addressed in a public network, and taking the hash value of the personal medical data as an index key value of the data in the space;
(2) recording a public network storage address of the personal medical data and a hash value of the data in the encrypted personal account information on the blockchain;
(3) When a networked medical hardware system needs to access personal medical data, a data access request can be sent to a patient through an intelligent contract of a block chain, and after the patient confirms authorization, the hash value of the personal medical data which is permitted to be accessed and a public network access address are used as a part of the intelligent contract and are acquired by a third party;
(4) the networked medical hardware system acquires the public network storage address and the hash value of the personal medical data of the user through the intelligent contract, uses the hash value as an index key value in a storage space to acquire the encrypted medical data, and then can verify the correctness of the encrypted medical data through hash value comparison.
(5) And the networked medical hardware system calculates the acquired encrypted personal medical data through a homomorphic encryption algorithm to acquire an operation result.
The medical system can be realized by adopting the following method:
(1) the personal medical data are encrypted through a private key stored in the wearable device by the user and stored on the Internet;
(2) the personal medical internet index data is encrypted through a private key stored on wearable equipment or a mobile phone by a user and stored on the block chain;
(3) when the personal medical data has a reading request of a networked medical hardware system, a user confirms the reading request of the hardware system by using a private key stored in wearable equipment or a mobile phone, and then decrypts the personal medical data;
(4) Generating the digest of the decrypted personal medical data by using a cryptographic hash function SHA;
(5) the user encrypts the digest again by using a private key stored in the wearable device or the mobile phone to form a digital signature;
(6) sending the decrypted personal medical data and the encrypted digest to the read request hardware at the same time;
(7) the reading request hardware uses a public key stored on a public block chain by a user to decrypt the sent abstract, acquires an abstract generated by the user end on the personal medical data, and encrypts the received personal medical data by using an SHA code to generate another abstract; if the two are consistent, the information is not destroyed or tampered in the transmission process;
(8) the user synchronizes the hardware reading request information of the personal medical data to the blockchain.
The medical system can be realized by adopting the following method:
(1) the method comprises the steps that an intelligent analysis hardware system of the networked medical data initiates an analysis request, the analysis request is divided into two parts of information to enter an intelligent contract, the first part comprises control parameters, and the other part describes calculation and analysis tasks;
(2) the analysis request information from the intelligent contract is compiled into a basic calculation instruction set which can directly analyze and encrypt the personal medical data through a compiling channel and by combining with the control parameters;
(3) Sending the basic calculation instruction set to the user, and calculating the encrypted personal medical data of the user through the basic calculation instruction set after obtaining the authorization;
(4) in the calculation process, the personal medical data are kept in an encrypted state, so that the confidentiality of the personal data is ensured;
(5) the calculation result is decrypted by a private key of the user and is sent back to the networked medical data intelligent analysis hardware system; the user synchronizes the analysis request information of the personal medical data to the blockchain as a history record which can not be tampered.
In the hardware system, the homomorphic encryption algorithm satisfies the following conditions:
(1) the Enc (PK, m) encryption function takes a user encrypted data public key PK and a message m on a block chain as input, and outputs encrypted personal medical data c;
(2) the Dec (SK, c) decryption function takes a user private key and encrypted personal medical data c as input and outputs a message m;
(3) eval (PK, f, c1, …, cl) evaluation function outputs encrypted data cf with the user encrypted data public key on the blockchain, the analysis algorithm f, and encrypted personal medical data c1 through cl;
(4) when c1 ═ Enc (PK, m1), …, cl ═ Enc (PK, ml) Mf ═ f (m1, …, ml);
(5)Cf＝Eval(PK，f，c1，…，cl)；
(6) for any analysis algorithm f, mf ═ Dec (SK, cf) is satisfied.
According to the hardware system, under the condition that the patient authorizes the large amount of patient data, a disease queue of a large sample is established, and research in related scientific research fields is completed through directional analysis or an artificial intelligence algorithm.
By implementing the invention, the following advantages can be realized:
1. people aged over 65 years and at high risk are included, and basic health files of patients are established.
2. Medical records of previous visits are uploaded, and the system assists in classification and arrangement, so that a set of electronic medical records with complete time axis, clear classification and rich content is provided for a patient. The method is applied to personal medical management data and privacy protection through the currently emerging block chain technology for the first time.
3. The wearable device can be hung externally, medical data records of daily monitoring of a patient can be uploaded in real time, and abnormal monitoring and alarming can be achieved.
4. And the complete medical data integration is realized, and convenience is provided for the patient to see a doctor. The patient can show his own health record to the doctor who receives a doctor by himself, so that the doctor can quickly know the illness state of the patient and timely and accurately cure the illness state.
5. According to the illness state of the patient, individualized reminding functions including medicine taking reminding, doctor seeing reminding, review reminding and the like are provided.
6. And a special disease community is established, and relevant authoritative medical related patient education information is pushed regularly, so that disease prevention and control are facilitated.
7. Based on a large amount of patient data, under the condition of patient authorization, a disease queue of a large sample is established, and research in related scientific research fields is completed through directional analysis or artificial intelligence algorithms, so that scientific basis is provided for national medical strategies.
The technical problems mainly to be solved by the system of the invention comprise: the problem of information asymmetry between doctors and patients is solved; and the problem that the information, judgment and record of the current medical care personnel and the past medical care personnel are asymmetric is also solved. The diagnosis and treatment accuracy is judged according to big data, and is a great innovation of a medical mode on the capability of a single doctor.
The decentralized distributed data encryption storage method based on the block chain technology utilizes the technical advantages of a distributed account book of the block chain technology, records the use records of personal account information and medical data, ensures that the records can not be falsified, simultaneously stores the index addresses of the encrypted personal medical data which are stored in a distributed mode in a chain, meets the actual requirement of storing large-data-volume encrypted personal medical data, realizes personal medical data sharing under the individual controllable authority, and provides a basic platform for data statistical analysis based on the homomorphic encryption technology.
However, the blockchain of the electronic money only stores account and transaction information, the data size is small, distributed storage and synchronization are easy to realize, but the blockchain is not suitable for storing personal medical data with large data size, so that a completely similar scheme for storing large-data-size data in a distributed manner based on the blockchain technology and a scheme for performing overall statistical analysis based on the data do not exist.
At present, single system and even cloud database are highly centralized, which makes them easy to fall into the target of hacker attack, also may be leaked artificially, and is susceptible to influence (such as power failure), not a reasonable technical scheme for ensuring privacy and self-controllability of user personal medical data storage. In contrast, distributed encryption storage based on blockchains does not suffer from these problems because it utilizes regionally or globally distributed nodes that are distributed off-site.
If a single point is attacked or a power outage occurs, no catastrophic effect will result because nodes in other locations will continue to function. Meanwhile, the distributed account book of the block chain also ensures the use records of all personal medical data, and compared with a centralized storage scheme, the distributed account book is not easy to be tampered.
By implementing the invention, the information exchange speed between doctors and patients is accelerated, and an effective way is provided for accurate diagnosis and quick treatment of disease conditions and reduction of disputes and friction of doctors and patients; is the integration improvement of the medical treatment mode in both the physiology and the psychology.
Drawings
FIG. 1 is a schematic diagram of the operation of the system of the present invention
FIG. 2 is a schematic diagram of the homomorphic encryption operation of the system of the present invention
Detailed Description
The experimental exemplifications set out herein illustrate rather than limit the invention.
The invention specifically provides a hardware system with an exchange protocol, which comprises a hardware system for data collection, storage and operation, and under the premise that a patient agrees with or submits to the hardware system, account information and/or personal medical data and/or microbial infection condition and/or new crown pneumonia infection condition of the patient are/is recorded into the hardware system with the exchange protocol, so that doctor-patient information can be directly pushed mutually. Through the implementation of the invention, the barrier of information non-intercommunication between medical institutions is broken, and a tool capable of automatically managing the medical process is provided for patients and medical institutions.
A homomorphic encryption technology is introduced, and the personal medical data of the user stored in an encrypted and distributed manner is analyzed, so that the personal data privacy problem in the process of carrying out scientific research and analysis on the big data by a third party is solved.
Example 1
The block chain technology is combined with the data distributed storage technology, and the requirements of decentralized encryption storage, controllable sharing and non-falsification of use records of general population epidemic investigation data are met.
The data storage capacity of medical data of general population is very large, and is not suitable for being placed on a block chain for full chain synchronization, so that distributed encryption storage is needed, and the stored address index is recorded in the personal account information on the block chain, so that the encrypted personal medical data storage of chain uplink and downlink synchronization is realized. The method mainly comprises the following steps:
(1) the general population epidemic situation research data is encrypted by a personal key and stored in a distributed storage space which can be addressed in a public network, and the hash value of personal medical data is used as an index key value of the data in the space;
(2) recording public network storage addresses of general population epidemic investigation data and hash values of the data in encrypted personal account information on a block chain;
(3) when other third parties need to access general population epidemic situation research data, a data access request can be sent to a patient through an intelligent contract of a block chain, and after the patient confirms authorization, the hash value of personal medical data permitted to be accessed and a public network access address are used as a part of the intelligent contract and are acquired by the third parties;
(4) The third party acquires the public network storage address and the hash value of the general population epidemic situation investigation data of the user through the intelligent contract, uses the hash value as an index key value in the storage space to acquire encrypted medical data, and then can verify the correctness of the encrypted medical data through the hash value comparison.
(5) And the third party calculates the obtained encrypted personal medical data through a homomorphic encryption algorithm to obtain an operation result.
A homomorphic encryption technology is introduced, and the user common population epidemic investigation data stored in an encrypted and distributed manner is analyzed, so that the problems of severe infection and flow regulation monitoring of the new coronary pneumonia are solved.
Example 2
In the hardware system, the personal account information of the hardware system and the encrypted personal medical data internet address index can be read, managed and shared only by the authentication of the private key in the mobile phone of the user, and each time the record is read and shared, the record is recorded in the personal medical data use record and is synchronized on different user nodes on all block chains of the whole network; the following encryption and decryption steps for reading the personal medical data:
(1) the general population epidemic situation research data is encrypted through a private key stored in wearable equipment by a user and stored on the Internet;
(2) The personal medical internet index data is encrypted through a private key stored on wearable equipment or a mobile phone by a user and stored on the block chain;
(3) when the general population epidemic situation investigation data has a reading request, the user decrypts the personal medical data by using a private key stored in the wearable device or the mobile phone;
(4) the decrypted general population epidemic situation investigation data generates an abstract by using a cryptographic hash function SHA;
(5) the user encrypts the digest again by using a private key stored in the wearable device or the mobile phone to form a digital signature;
(6) the decrypted general population epidemic situation investigation data and the encrypted abstract are simultaneously sent to a reading request party;
(7) the reading requester decrypts the sent abstract by using the public key stored on the public blockchain by the user, acquires the abstract generated by the user end on the personal medical data, and encrypts the received personal medical data by using the SHA code to generate another abstract; if the two are consistent, the information is not destroyed or tampered in the transmission process;
(8) and the user synchronizes the read request information of the general population epidemic situation investigation data to the block chain.
Example 3
In the hardware system, the medical institution can send a request for individual epidemic situation credit to a common crowd through a block chain, after the individual confirms the authorization, the request is sent to the individual medical data of the user by using a homomorphic encryption analysis algorithm, the encrypted individual medical data is operated in an encryption state, and the individual medical data still keeps the encryption state in the whole operation process; the analysis steps based on the homomorphic encryption algorithm are as follows:
(1) The medical institution side initiates an analysis request, and the analysis request is divided into two parts of information to enter an intelligent contract, wherein the first part comprises control parameters, and the other part describes a calculation and analysis task;
(2) the analysis request information from the intelligent contract is compiled into a basic calculation instruction set which can directly analyze and encrypt the personal medical data through a compiling channel and by combining with the control parameters;
(3) sending the basic calculation instruction set to the user, and calculating the encrypted personal medical data of the user through the basic calculation instruction set after obtaining the authorization;
(4) in the calculation process, the personal medical data are kept in an encrypted state, so that the confidentiality of the personal data is ensured;
(5) the calculation result is decrypted by a private key of the user and is sent back to the medical institution; the user synchronizes the analysis request information of the personal medical data to the blockchain as a history record which can not be tampered.
In the hardware system, the homomorphic encryption algorithm satisfies the following conditions:
(1) the Enc (PK, m) encryption function takes a user encrypted data public key PK and a message m on a block chain as input, and outputs encrypted personal medical data c;
(2) the Dec (SK, c) decryption function takes a user private key and encrypted personal medical data c as input and outputs a message m;
(3) Eval (PK, f, c1, …, cl) evaluation function outputs encrypted data cf with the user encrypted data public key on the blockchain, the analysis algorithm f, and encrypted personal medical data c1 through cl;
(4) when c1 ═ Enc (PK, m1), …, cl ═ Enc (PK, ml) Mf ═ f (m1, …, ml);
(5)Cf＝Eval(PK，f，c1，…，cl)；
(6) for any analysis algorithm f, mf ═ Dec (SK, cf) is satisfied.
The above hardware system, the information of the hardware system is disclosed according to the authorization of the patient or the guardian thereof in a grading way.
Example 4
The block chain technology is combined with the data distributed storage technology, and the requirements of decentralized encryption storage, controllable sharing and non-falsification of use records of personal medical data are met.
The data storage capacity of the personal medical data of the patient is very large, and the data storage capacity is not suitable for being placed on a block chain for full-chain synchronization, so that distributed encryption storage is required, and the stored address index is recorded in the personal account information on the block chain, so that the encrypted personal medical data storage of chain uplink and downlink synchronization is realized. The method mainly comprises the following steps:
(1) encrypting the personal medical data by using a personal key, storing the personal medical data in a distributed storage space which can be addressed in a public network, and taking the hash value of the personal medical data as an index key value of the data in the space;
(2) Recording a public network storage address of the personal medical data and a hash value of the data in the encrypted personal account information on the blockchain;
(3) when the networked medical hardware system needs to access personal medical data, a data access request can be sent to a patient through an intelligent contract of a block chain, and after the patient confirms authorization, the hash value of the personal medical data which is permitted to be accessed and a public network access address are used as a part of the intelligent contract to be acquired by the networked medical hardware system;
(4) the networked medical hardware system acquires the public network storage address and the hash value of the personal medical data of the user through the intelligent contract, uses the hash value as an index key value in a storage space to acquire the encrypted medical data, and then can verify the correctness of the encrypted medical data through hash value comparison.
(5) The networked medical hardware system carries out intelligent analysis and operation on the obtained encrypted personal medical data through a homomorphic encryption algorithm to obtain an operation result.
A homomorphic encryption technology is introduced to analyze and encrypt the user personal medical data stored in a distributed mode, and the personal data privacy problem in the process of intelligently analyzing the big data by using a networked medical hardware system is solved.
Example 5
In the hardware system, the personal account information of the hardware system and the encrypted personal medical data internet address index can be read, managed and shared only by the authentication of the private key in the mobile phone of the user, and each time the record is read and shared, the record is recorded in the personal medical data use record and is synchronized on different user nodes on all block chains of the whole network; the following steps are encryption and decryption steps for personal medical data reading by the networked medical hardware system:
(1) The personal medical data are encrypted through a private key stored in the wearable device by the user and stored on the Internet;
(2) the personal medical internet index data is encrypted through a private key stored on wearable equipment or a mobile phone by a user and stored on the block chain;
(3) when the networked medical hardware system has a reading request for the personal medical data, the user decrypts the personal medical data by using a private key stored in the wearable device or the mobile phone;
(4) generating the digest of the decrypted personal medical data by using a cryptographic hash function SHA;
(5) the user encrypts the digest again by using a private key stored in the wearable device or the mobile phone to form a digital signature;
(6) the decrypted personal medical data and the encrypted abstract are simultaneously sent to a networked medical hardware system;
(7) the networked medical hardware system decrypts the sent abstract by using a public key stored on a public block chain by a user, acquires the abstract generated by the user end on the personal medical data, and encrypts the received personal medical data by using an SHA code to generate another abstract; if the two are consistent, the information is not destroyed or tampered in the transmission process;
(8) The user synchronizes the hardware system reading request information of the personal medical data to the blockchain.
Example 6
In the hardware system, the networked intelligent medical data analysis hardware system can send a personal medical data analysis request to a patient or a guardian through a block chain, after the patient or the guardian confirms authorization, the personal medical data analysis request is sent to the personal medical data of a user by using a homomorphic encryption analysis algorithm, the encrypted personal medical data is operated in an encryption state, and the personal medical data still keeps in an encryption state in the whole operation process; the analysis steps based on the homomorphic encryption algorithm are as follows:
(1) the method comprises the steps that an intelligent analysis hardware system of the networked medical data initiates an analysis request, the analysis request is divided into two parts of information to enter an intelligent contract, the first part comprises control parameters, and the other part describes calculation and analysis tasks;
(2) the analysis request information from the intelligent contract is compiled into a basic calculation instruction set which can directly analyze and encrypt the personal medical data through a compiling channel and by combining with the control parameters;
(3) sending the basic calculation instruction set to the user, and calculating the encrypted personal medical data of the user through the basic calculation instruction set after obtaining the authorization;
(4) In the calculation process, the personal medical data are kept in an encrypted state, so that the confidentiality of the personal data is ensured;
(5) the calculation result is decrypted by a private key of the user and is sent back to the networked medical data intelligent analysis hardware system; the user synchronizes the analysis request information of the personal medical data to the blockchain as a history record which can not be tampered.
In the hardware system, the homomorphic encryption algorithm satisfies the following conditions:
(1) the Enc (PK, m) encryption function takes a user encrypted data public key PK and a message m on a block chain as input, and outputs encrypted personal medical data c;
(2) the Dec (SK, c) decryption function takes a user private key and encrypted personal medical data c as input and outputs a message m;
(3) eval (PK, f, c1, …, c1) evaluation function encrypts data public key, analysis algorithm f and personal medical data c1 to c1 with users on the blockchain, outputting encrypted data cf;
(4) when c1 ═ Enc (PK, m1), …, cl ═ Enc (PK, ml) Mf ═ f (m1, …, ml);
(5)Cf＝Eval(PK，f，c1，…，cl)；
(6) for any analysis algorithm f, mf ═ Dec (SK, cf) is satisfied.
The above hardware system, the information of the hardware system is disclosed according to the authorization of the patient or the guardian thereof in a grading way.
Example 7
Very low hemoglobin patients, gender: male, date of discharge: year 2019, month 5, age: 73 years old, days of hospitalization; and (4) 18 days.
Admission and treatment status: the main symptomatic signs: the anorexia is 3 months, and the anemia is found to be more than 2 months. Clear mind, weak spirit, anemia appearance, 90/50mmHg blood pressure, pale conjunctiva, no yellow stain on sclera, no swelling of superficial lymph nodes, clear respiratory sound of both lungs, no smell of dry and wet rales, 80bpm heart rate, regular, soft abdomen, no tenderness and rebound pain, no arrival of liver and spleen, normal bowel sounds and no swelling of both lower limbs.
Main assay X-ray examination results and others: hb45g/L of the hospital, peripheral blood morphology of the hospital is not obviously abnormal, CT of the abdomen of the hospital: abnormal calcification in the liver and stones in the gallbladder.
Admission diagnosis: severe anemia chronic atrophic gastritis? Tumor of digestive tract? Myelodysplastic syndrome? Gallbladder calculus lumbar vertebra operation.
The diagnosis and treatment process comprises the following steps: the examination is perfected after the hospital admission, and 50g/L of hemoglobin and 59 x 109/L of platelets are checked for the symptomatic support treatment of primary care, red blood cell transfusion, hematopoietic material supplement, fluid supplement, venous nutrition, digestive enzyme and the like.
The fever and inflammatory index are increased in the morning, the Tmax is 39.4 ℃, and the symptomatic antipyretic treatment effect is not good. Yellow staining of sclera, abdominal pain, mild cough with white phlegm, and color hyperchromatism in the abdomen indicating the liver in the right lobe cystic parenchymal region, abscess? Fluid accumulated beside gallbladder? Chest radiograph suggests that the lung has thickened texture and atelectasis.
Abdominal organ infection, lung infection are considered. The medicine is used for detecting the rise of blood bilirubin and urobilinogen, obviously raising reticulocytes, and detecting tear drop red blood cells in peripheral blood smears, and is used for treating the diseases such as anti-infection, sodium bicarbonate basification, red blood cell washing, anemia correction and the like by considering the high possibility of acute hemolysis. Perfect abdominal CT to suggest acute cholecystitis and liver abscess?
Please consider for general surgery consultation: acute cholecystitis, liver abscess? And (4) no liver abscess puncture drainage indication, and the medical conservative treatment is recommended to be continued. After treatment, infection is gradually controlled, and new hemolysis does not exist.
Do bone punch and bone marrow biopsy with outcome return of MDS/myeloproliferative tumors? Please refer to the treatment of hematology department, and then, the bone puncture is rechecked after infection control is recommended, and the treatment of replenishing hematopoietic materials can be continuously given. After the body temperature is normal for 48 hours, the antibiotics are degraded into the leniting and ornidazole combined treatment, the infection is not aggravated, the abdominal pain is relieved, the yellow staining of sclera is eliminated, the cough and the sputum are not caused, the former improvement of the abdominal CT gallbladder periphery exudation is rechecked, the hemoglobin stability is monitored, the blood bilirubin is reduced to be normal, the urine and the cholangiogen are normal, and the spirit and the diet are improved.
The stool frequency is increased during hospitalization, the negative of the clostridial toxin is difficult to distinguish, the stool culture indicates the dysbacteriosis, and the intestinal probiotics is treated for improvement.
Perfecting the gastroscope suggests chronic atrophic gastritis. At present, the general condition is still good, but the tumor of the digestive tract or the blood system cannot be eliminated for the very low condition of the hemoglobin of a patient, and the tumor cannot be completely eliminated although the bone marrow puncture is carried out.
After informed consent of family members, the system inputs and identifies paper case information, encrypts and cleans personal information of patients, and then calls and reads the course and diagnosis data of neurology in a certain hospital (26-29 days in 4 months in 2019).
Admission diagnosis: 1. dizziness and ischemia in circulation after examination? 2. Iron deficiency anemia 3 anorexia cause to be examined 4 anxiety depression state 5 vitamin deficiency 6 folic acid deficiency 7 peripheral neuropathy 8 microcirculation disturbance.
Discharge diagnosis 1, post-circulatory ischemia 2, iron-deficiency anemia 3, anorexia cause to be examined 4, state of anxious depression 5, vitamin deficiency 6, folic acid deficiency 7, peripheral neuropathy 8, microcirculation disturbance.
Hospitalization patients were admitted to the hospital for "intermittent dizziness with poor food intake for more than 40 days". Admission to the examinee: t36.5 ℃, P70 times/min, R20 times/min, BP120/80mHig (left side to right side).
Shenqing, physical coordination, walking into affected area, no yellow stain or bleeding spot on the skin mucosa and sclera of the whole body, pale complexion, and no palpitations or swelling of superficial lymph nodes of the whole body. Thoracic symmetry has no deformity, clear percussion of both lungs, clear breath sound, no smell and dryness, moist rale, small cardiac cycle, HR: 70 times per minute, regular, unhealthy and pathological noise in auscultation area of each valve, flat and soft abdomen, no tenderness, no rebound pain and no muscular tension.
The lower limbs of the liver, spleen and kidney are not in the reach, the liver area and the kidney areas are not in percussion pain, the limbs of the spine are not deformed, and the lower limbs are not swollen. Physical examination of the nervous system: the eye movement instrument has the advantages of being clear in spirit, good in speech, normal in memory, computing power and orientation power, free of drooping of double eyelids, equal in pupil size and diameter of 3mm on two sides, sensitive to light reflection, normal in eyeball position, sufficient in eye movement and free of eye shake. The facial lines on both sides are symmetrical and have powerful eyes closing; bilateral masseter muscle is symmetrical and powerful, drum cheek has no air leakage, bilateral nasolabial sulcus is symmetrical, mouth corner has no deflection, stretched tongue is centered, soft palate is lifted, pharyngeal reflex exists, tongue muscle atrophy and fibrillation do not exist, hearing is normal, bilateral neck turning and shoulder shrugging are powerful. The muscle strength of the limbs is 5 grades, the muscle volume of the limbs is full, the muscle tension is symmetrical and moderate, the tendon reflex is symmetrical and declined, and the pathological signs on the two sides are positive. The depth perception system checks normally. Ataxia is normal. Neck softness is not resistant, Kernig sign, Brudzinski sign are negative. The auscultation areas of the bilateral carotid artery and the subclavian artery did not smell and have obvious noise. Auxiliary inspection: blood routine: red blood cells 1.45X 1012/L, hemoglobin 57 g/L.
The diagnosis and treatment process comprises the following steps: administering a low salt, low fat diet to the patient after the patient is admitted to the clinic, and monitoring the blood pressure of the patient; and (4) giving perfect related auxiliary examination after entering the department. After the administration, the composition is administered with blood supply improving heart and brain (folium Ginkgo), microcirculation improving (Alprostadil), and trophic nerve (cobamamide), and is administered with fat emulsion and amino acid intravenous nutrition, and can also be used for symptomatic treatment of mood.
And (3) a temporary inspection report: red blood cells 1.29 x 1012-L ↓, _ hemoglobin 51g/L, _ red cell volume 14.7% ↓, _ red cell average volume 114.2flt, _ average hemoglobin content 39.4pgt, _ platelets 11 ↓10 ↓/9/L ↓.
The visible point of the lateral fissure area on the right side is high in density calcified focus, the side is clear and sharp, the white matter density at the junction of the lateral offal matter of the ventricles of the two brains is slightly reduced and is changed symmetrically, the ventricles of the brains are slightly expanded, the cleavage of the sulcus of the brain is slightly widened and deepened, the midline structure does not shift, the skull bone is not abnormal, and the scalp: the paranasal sinuses and bilateral mastoid hives swept by the tissues without swelling are still clear, and the rest is (-).
CT: the outline is symmetrical, the rib does not run abnormally, the mediastinal trachea is centered, the image of the blood vessel in the mediastinal is clear, the high-density calcified image can be seen in the aorta wall and the coronary running region, the small lymph node image can be seen in the blood vessel gap, the trachea is unobstructed, the vein of the inferior lobe of the double lung is slightly thickened, and the cord can be seen in the left lung.
Brain scanning: the direct cerebral infarction suggests the clinical history, the diagnosis of the original plate, the diagnosis, abnormal calcific focus in lateral fissure area, the change of myelin sheath and the old aged brain change. The aorta and coronary atherosclerosis are examined in combination with clinical and related laboratories, and assisted with relevant CTA examinations as necessary.
However, case recall has no possibility of excluding tumors.
After informed consent of family members, the system inputs and identifies paper case information, encrypts and cleans personal information of patients, and then reads the course and diagnosis data of digestive system of a certain hospital (2011 for 10 months).
Recording: sex: male, age: 65 (at that time).
The patient himself and his family states: complaining about nausea and vomiting with anemia for more than 1 month. The patient with the current medical history has no obvious reason to begin to suffer from nausea and vomiting before 1 month, the vomiting is non-jet, the patient is frequently fed, the vomit is gastric content, no special smell is caused, the hearing disorder is not accompanied, no obvious dizziness, headache and visual vertigo are caused, no fever, shivering, abdominal pain, diarrhea and abdominal distension are caused, the patient goes to the outpatient service of the hospital to see a doctor, the carbon 13 expiration experiment shows Hp (+), the hemoglobin is 75g/L, the erythrocyte count is 1.84 multiplied by 10'/L, the hematocrit is 0.217, the effect is not good, and the original nausea and vomiting symptoms are not obviously improved.
For further treatment, patients go to the clinic again today, and the clinic receives and admits the hospital with the cause of nausea, vomiting and anemia, and the patient does not have obvious intolerance of cold, fever, dizziness, headache, palpitation, chest distress and chest pain, cough, expectoration and hemoptysis, abdominal pain, diarrhea, hematochezia, dark stool and jaundice in the course of the disease. Since the onset of the disease, the patients have normal spirit and appetite, sleep with normal urine and feces, and the body weight of the patients is reduced by about 5 Kg.
The prior history of 1997 has been treated by surgery in the field for "lumbar intervertebral disc protrusion"; allergy to "seafood"; deny the history of chronic diseases such as hypertension, diabetes, coronary heart disease, etc.; deny the history of infectious diseases such as hepatitis and tuberculosis; deny history of trauma and blood transfusion; deny the history of drug allergy; the vaccination was local. The personal history is native to the original book and stays in the local place for a long time, the contact history of epidemic water and an epidemic area is denied, the contact history of industrial poisons, dust and radioactive substances is denied, and the bad taste of the smokeless wine is avoided; history of marriage and childbirth: after married for more than 30 years, 2 children are born, and both lovers and children are healthy.
The skull has no deformity, the five sense organs are right, the conjunctiva on both sides has no edema, the sclera has no yellow stain, the pupils on both sides have the same size and the diameter is about 3 mm, the light reflex is sensitive, and the spirit is normal. The ears and the nose have no abnormal secretion. The lips are ruddy without cyanosis, the nasolabial sulcus is symmetrical on both sides, the teeth are shown to be crooked, the tongue is stretched in the middle, and the pharynx is not congested. The neck is soft and has no resistance, the jugular vein has no anger, the trachea is centered, and the thyroid is not large. Bilateral thoracic symmetry, normal breathing and exercise, no varicose veins and tenderness in chest wall. The respiratory motion of both sides is consistent, the respiratory rate is normal, the shiver of both sides is symmetrical and consistent, and the feeling of snow holding of the skin and pleura friction do not exist. Percussion shows a clear sound, a slightly coarse breath sound of both lungs, and no smell, marked dry, wet, Luo and pleura rubbing sounds. The heart apex is located 0.5cm inside the midline of the fifth intercostal clavicle on the left, the precordial region has no bulge, no friction feeling of pericardium, no enlargement of the heart-turbid sound boundary, 78 times/min heart rate, regular rhythm, powerful heart sound, and unhealthy and pathological noise in the auscultation region of each valve. The abdominal wall is soft, the abdominal wall veins are not varicose, no intestinal type, peristaltic wave and abnormal pulsation are seen, no obvious tenderness, rebound pain and muscular tension are seen in the whole abdomen, the lower part of the liver and spleen rib is not touched, palpation and mass inclusion of the abdomen are not seen, reflux of the hepatic jugular vein is negative, Murphy's sign is negative, mobility voiced sound is negative, percussion shows drum sound, bowel sound is 2-4 times per minute, and no breathing, water sound and high-tone metallic sound are heard.
Anus and external genitalia were not examined. The spine is physiologically curved. There is no deformity in limbs, edema in both lower limbs, and no varicose veins and ulcers. There were no deformities in the limbs, no clubbing fingers (toes), and normal presence of dorsal artery pulsation. Normal muscle strength and muscle tension of limbs, normal biceps brachii reflex, triceps brachii reflex, normal bilateral knee reflex, bilateral Hoffmann sign (-) and bilateral Babinski sign (-).
Hospitalization is carried out: the patients were admitted to the hospital for 1 month because of nausea and vomiting with anemia. Is allergic to seafood.
Admission to the examinee: the heart and lung have no obvious abnormality in physical examination, the abdomen is flat and soft, the whole abdomen has no obvious tenderness, rebound pain and muscular tension, and the bowel sound is 2-4 times/min. Auxiliary inspection: carbon 13 breath experiments showed Hp (+); gastroscopy shows poor blood picture of gastric mucosa and chronic superficial gastritis; single allergen detection: the IgG antibody diet group was not abnormal. IgE antibody mix groups dog fur (3+), house dust (2+), mites (+), crab (+). The diagnosis is 1) megaloblastic anemia 2) chronic superficial gastritis 3) nausea and vomiting cause to be examined.
Because the patient signs and refuses to go through all further examinations such as skull CT, chest CT, bone marrow puncture and the like to clarify the reason of anemia, the patient is only subjected to symptomatic treatment such as vitamin B12 supplement, nutritional support and the like after admission. At present, the general condition of a patient can be that hemoglobin is 81.0g/L and vitamin B12 is normal after blood review, nausea and vomiting are avoided, the patient and family members require to be discharged, and the patient is requested to be discharged after the doctor of the superior level agrees.
2011.10.12 discharge diagnosis: 1. megaloblastic anemia 2, chronic superficial gastritis. 1) Megaloblastic anemia 2) chronic superficial gastritis 3) nausea and vomiting cause were examined. Discharge notes 1) taking care of taking a rest after discharge, strengthening nutrition, and regularly reviewing blood routine; 2) megaloblastic anemia is further treated in hematology; 3) avoiding contact with dog fur, house dust, mites, crabs and the like so as to avoid allergy; 3) if the patient is uncomfortable, the patient is followed by the clinic.
The personal information of the patient is encrypted and cleaned continuously, and the patient is found to have the same appearance as the father and the mother sister in 2017, so that the course of the disease is close to the time and the prognosis is good.
By combining the condition data retrieval and family medical history investigation after the personal information cleaning in 2011, 10 months and 2019, 4 months, suspected tumors are eliminated, and the slow recovery is realized after the nutrition strengthening.
Thus, in 6 months 2019, the patient was diagnosed with megaloblastic anemia, with an estimated considerable likelihood of having a familial genetic trait. Patient review studies have now shown good condition and normal daily supplementation with folic acid and B vitamins (2020.4.10).
Without a survey of the past medical history of the individual case, it is extremely difficult for the physician to eliminate the possibility of malignancy in the patient. However, the backtracking investigation after the encryption and cleaning of the personal information of the big data can accurately eliminate the malignant tumor and make accurate treatment, and can also carry out the investigation of epidemic diseases and genetic conditions, continue to track the health condition of the patient after discharge, prompt medication and achieve the control of the whole disease condition.

Claims (15)

1. A hardware system having a switching protocol, comprising a hardware system for data collection, storage and computation, characterized by: under the premise that a patient is informed to approve or actively submit, account information and/or personal medical data and/or microbial infection conditions and/or new crown pneumonia infection conditions of the patient are recorded into a hardware system, wherein the recording or calling of the account information and/or personal medical data and/or microbial infection conditions and/or new crown pneumonia infection conditions of the patient adopts an encryption and/or decryption mode.
2. The hardware system of claim 1, wherein: the hardware system and the wearable equipment perform information input and/or output according to a protocol interface; the wearable device is selected from one or more of an earphone, a sound box, a bracelet or a mobile phone.
3. The hardware system of claim 1, wherein: the hardware system can enter one or more of paper medical records, diagnosis reports of patients, voice diagnosis of doctors or medical images.
4. The hardware system of claim 3, wherein: the paper medical record, the diagnosis report or the medical image can be identified or stored after being identified.
5. The hardware system according to any of claims 1-4, wherein: the account information and/or personal medical data and/or the microbial infection condition and/or the new coronary pneumonia infection condition of the patient can be pushed to an initial doctor and/or an emergency doctor in a grading mode.
6. The hardware system according to any of claims 1-4, wherein: the account information and/or personal medical data and/or the microbial infection condition and/or the new coronary pneumonia infection condition of the patient are directly pushed to a first doctor and/or an emergency doctor in the severe emergency.
7. The hardware system according to any of claims 1-4, wherein: the account information and/or personal medical data and/or the microbial infection condition and/or the new coronary pneumonia infection condition of the patient are directly pushed to a first doctor and/or an emergency doctor in the severe emergency treatment, and the operation can be set by the patient in advance.
8. The hardware system according to any of claims 1-7, wherein: the hardware system can compare or calculate the diagnosis and treatment scheme, the administration prescription or the medical record of the doctor with the diagnosis report of the patient or the clinical taboo of the prior medical history; if the error or doubt exists, the grade is not set to be fed back to the doctor.
9. The hardware system according to any of claims 1-7, wherein: the hardware system can disclose the importance degree of the patient to the diagnosis and treatment to the doctor.
10. The hardware system according to any of claims 1-7, wherein: and on the premise that the user confirms the authorization, one or more of patient education information, medication frequency, medication prescriptions, exercise prescriptions, visit reminders, review reminders or medical advice information can be pushed to the patient or the guardian.
11. The hardware system of claim 10, wherein: the hardware system can operate according to a set program.
12. The hardware system of claim 10, wherein: the self-calculation result can be pushed to a doctor.
13. The hardware system of claim 10, wherein: the result of the self-operation can be pushed to the patient.
14. The hardware system according to any of claims 1-13, wherein: the self-calculation result can be pushed to other peripheral medical equipment hardware supporting the same protocol through a near field communication technology, so that automatic sharing of patient data among the medical equipment and potential equipment use risk prompting are realized.
15. The hardware system according to any of claims 1-13, wherein: the patient is a high risk patient or the patient is over 65 years old.
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