CN113456490A - Safe dispensing needle for cytotoxic drugs - Google Patents
Safe dispensing needle for cytotoxic drugs Download PDFInfo
- Publication number
- CN113456490A CN113456490A CN202110728390.4A CN202110728390A CN113456490A CN 113456490 A CN113456490 A CN 113456490A CN 202110728390 A CN202110728390 A CN 202110728390A CN 113456490 A CN113456490 A CN 113456490A
- Authority
- CN
- China
- Prior art keywords
- needle
- elastic
- needle tube
- fixedly connected
- dispensing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003814 drug Substances 0.000 title claims abstract description 33
- 229940079593 drug Drugs 0.000 title claims abstract description 21
- 231100000433 cytotoxic Toxicity 0.000 title claims abstract description 20
- 230000001472 cytotoxic effect Effects 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 35
- 229940127089 cytotoxic agent Drugs 0.000 claims abstract description 23
- 239000002254 cytotoxic agent Substances 0.000 claims abstract description 23
- 229920001971 elastomer Polymers 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 239000000443 aerosol Substances 0.000 abstract description 4
- 229930182555 Penicillin Natural products 0.000 abstract 3
- JGSARLDLIJGVTE-MBNYWOFBSA-N Penicillin G Chemical compound N([C@H]1[C@H]2SC([C@@H](N2C1=O)C(O)=O)(C)C)C(=O)CC1=CC=CC=C1 JGSARLDLIJGVTE-MBNYWOFBSA-N 0.000 abstract 3
- 229940049954 penicillin Drugs 0.000 abstract 3
- 239000007788 liquid Substances 0.000 description 8
- 230000006378 damage Effects 0.000 description 7
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 229920006342 thermoplastic vulcanizate Polymers 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
- A61J1/2006—Piercing means
Landscapes
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
The invention relates to the field of medical instruments, in particular to a safe dispensing needle for cytotoxic drugs, which comprises a needle tube, a needle point arranged at the front end of the needle tube, a dispensing hole arranged at the front end or on the side wall of the needle tube, a needle seat fixedly connected with the rear end of the needle tube and an elastic closing device arranged outside the needle tube, wherein the needle tube is internally provided with a cavity, the needle seat is internally provided with a cavity and communicated with the cavity of the needle tube, the dispensing hole is communicated with the cavity in the needle tube and the cavity in the needle seat, the elastic closing device is sleeved on the needle tube to close the dispensing hole, and an elastic resetting device is arranged between the elastic closing device and the needle seat. The invention has simple structure and reasonable design, and when the cytotoxic drug in the penicillin bottle is prepared, the needle point passes through the elastic sealing device and is further inserted into the rubber plug of the penicillin bottle to dissolve and suck the drug. After the configuration is finished, the medicine in the penicillin bottle is pumped out, the needle tube is pulled out, and the dispensing hole in the dispensing needle tube is closed manually or automatically by the elastic reset device, so that the cytotoxic medicine aerosol is prevented from leaking, and the safety of dispensing personnel is protected.
Description
Technical Field
The invention belongs to the technical field of medical equipment, and particularly relates to a safe dispensing needle for cytotoxic drugs.
Background
The hospital nurse needs to respectively prepare different cytotoxic drugs into the infusion bags according to the medication requirements of the tumor patients and then input the drugs into the bodies of the patients. In hospitals, particularly in some large hospitals, medical staff need to prepare a large amount of cytotoxic liquid medicine for patients to use every day, and due to the existing dispensing mode, a dispensing needle is not provided with a sealing device, when the cytotoxic medicine is prepared, aerosol or liquid medicine liquid drops of the cytotoxic medicine are easily scattered into a dispensing environment, and great harm is inevitably generated to the dispensing staff.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a safe dispensing needle for cytotoxic drugs, and solves the technical problems.
The scheme adopted by the invention is as follows: a safe dispensing needle for cytotoxic drugs comprises a needle tube and a needle seat, wherein one end of the needle tube (1) is fixedly connected with the needle tube, a dispensing hole (6) is formed in the needle tube (1), and an elastic sealing device is arranged on the dispensing hole (6)
The needle tube is characterized in that one end of the needle tube is fixedly connected with the needle tube, and an elastic sealing device is arranged on the needle tube.
Preferably, the elastic sealing device is made of elastic materials such as silica gel, rubber, elastic TPE (thermoplastic elastomer), elastic TPN (thermoplastic vulcanizate), and the like.
Preferably, the elastic closing device comprises a return spring fixedly connected between the needle seat and the elastic closing device.
Preferably, the elastic closing device comprises a sliding support which is transversely connected with the needle seat in a sliding manner, and one end of the sliding support is fixedly connected with the elastic closing device.
Preferably, the elastic closing device comprises a sliding support which is transversely connected with the needle seat in a sliding manner, the sliding support has an elastic resetting function, and one end of the sliding support is fixedly connected with the elastic closing device.
Preferably, the elastic closing device comprises a sliding support which is connected with the needle seat in a transverse sliding mode, one end of the sliding support is fixedly connected with the elastic closing device, and the needle seat is fixedly connected with the elastic closing device through a return spring.
Preferably, the elastic closing device comprises an elastic closing device which is fixedly connected with one end of a needle seat and wraps the needle tube, and a return spring which is fixedly connected between the needle seat and the inner side wall of the elastic closing device.
Preferably, the elastic sealing device comprises a fixing block fixedly connected with one end of the needle seat and sleeved with the needle tube, the needle tube is sleeved with the elastic sealing device, and the elastic sealing device is connected with the fixing block through a return spring.
Preferably, the elastic closing device comprises a handle which is connected with the needle seat in a transverse sliding mode, and one end of the handle is fixedly connected with the elastic closing device which is sleeved with the needle tube.
Preferably, the upper end of the needle tube is provided with a dispensing hole, or one side of the needle tube is provided with a dispensing hole.
Preferably, the needle tubing on the lower extreme horizontal interval fixed connection be equipped with a set of stopper, the needle file on the horizontal sliding connection be located the sliding support between needle file and the stopper, sliding support one end fixedly connected with and needle tubing complex elasticity closing means, needle file and elasticity closing means between fixedly connected with reset spring.
Preferably, the needle tubing about both ends horizontal interval fixedly connected with two sets of stoppers, the needle file on horizontal sliding connection have be located two sets of sliding support between two sets of stoppers, two sets of sliding support one end fixedly connected with and needle tubing complex elasticity closing means, needle file and elasticity closing means between fixedly connected with reset spring.
The invention has the beneficial effects that:
when medical staff dispense medicines, the medical staff can be prevented from being hurt to the bodies of the medical staff due to the dispersion of medicine aerosol and the scattering of liquid medicine, and the pollution to the environment is also avoided;
secondly, simple structure, easy operation, work efficiency improves, has reduced medical staff's labour.
Drawings
Fig. 1 is one of the front views of the present invention.
Fig. 2 is a second front view of the present invention.
Fig. 3 is a third front view of the present invention.
FIG. 4 is a fourth front view of the present invention.
Fig. 5 is a fifth front view of the present invention.
Fig. 6 is a sixth front view of the present invention.
Fig. 7 is a seventh front view of the present invention.
Fig. 8 is an eighth front view of the present invention.
Reference numerals: 1. a needle tube; 2. an elastic closure device; 3. a return spring; 4. a sliding support; 5. a handle; 6. A dispensing hole; 7. a needle seat; 8. a fixed block; 9. and a limiting block.
Detailed Description
The foregoing and other technical and scientific aspects, features and utilities of the present invention will be apparent from the following detailed description of the embodiments, taken in conjunction with the accompanying drawings of fig. 1-7. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
The safe dispensing needle for the cytotoxic drugs comprises a needle base 7 and is characterized in that one end of the needle base 7 is fixedly connected with a needle tube 1, and an elastic sealing device is arranged on the needle tube 1.
When the embodiment is used, referring to the attached drawing 1, the needle tube 1 is inserted into a cytotoxic drug vial to prepare drugs, and the elastic sealing device seals a gap between a rubber plug of the vial and a dispensing needle to prevent cytotoxic drug aerosol and liquid medicine in the vial from being scattered into a dispensing environment; after the cytotoxic drugs are completely prepared and the liquid medicine in the bottle is completely pumped, the cytotoxic drugs carried on the needle tube and the liquid medicine in the needle tube cannot be dispersed into a dispensing environment through the elastic sealing device, so that the safety of dispensing personnel is protected.
In the second embodiment, on the basis of the first embodiment, the elastic sealing device is made of materials such as silicone rubber, elastic TPN, elastic TPE2 and the like.
In the use of the embodiment, referring to the attached drawing 1, when the vial is inserted into a cytotoxic drug vial, the elastic sealing device 2 is fixed by hand, and when the needle tube is pulled out, the elastic sealing device 2 prevents the cytotoxic drug in the vial, the cytotoxic drug carried on the needle tube and the liquid medicine in the needle tube from being dispersed into a dispensing environment, so that the safety of a dispensing person is protected.
In the third embodiment, on the basis of the second embodiment, the elastic closing device comprises a return spring 3 fixedly connected between the needle holder 7 and the elastic closing device 2.
In the use of this embodiment, referring to fig. 2, when inserting into a vial of cytotoxic drug, the elastic sealing device 2 overcomes the elastic force of the return spring 3, and after dispensing, the elastic sealing device 2 can avoid the harm of the cytotoxic drug to the dispensing personnel under the action of the return spring 3.
In the fourth embodiment, on the basis of the second embodiment, the elastic closing device comprises a sliding support 4 connected with a needle seat 7 in a transverse sliding manner, and one end of the sliding support 4 is fixedly connected with the elastic closing device 2.
In use of this embodiment, referring to fig. 3, when inserting into a vial of cytotoxic drug, the elastic sealing device 2 carries the sliding support 4 to start to operate, and after dispensing is completed, we fix the sliding support 4, and the elastic sealing device 2 can avoid the harm of the cytotoxic drug to the dispensing personnel.
Fifth embodiment, on the basis of the second embodiment, the elastic closing means includes a sliding support 4 connected with a needle seat 7 in a transverse sliding manner, one end of the sliding support 4 is fixedly connected with the elastic closing means 2, and a return spring 3 is fixedly connected between the needle seat 7 and the elastic closing means 2.
In the use of this embodiment, referring to fig. 4, when inserting into a vial of cytotoxic drug, the elastic sealing device 2 carries the sliding support 4 to overcome the return spring 3 to start the operation, and after dispensing is completed, under the action of the return spring 3, the elastic sealing device 2 can avoid the harm of the cytotoxic drug to the dispensing personnel.
Sixth, on the basis of the second embodiment, the elastic closing device comprises an elastic closing device 2 which is fixedly connected with one end of a needle seat 7 and wraps the needle tube 1, and a return spring 3 is fixedly connected between the needle seat 7 and the inner side wall of the elastic closing device 2.
In use, referring to fig. 5, when the device is inserted into a vial of cytotoxic drug, the interior of the elastic sealing device 2 starts to be compressed against the return spring 3, and after dispensing is completed, the elastic sealing device 2 can avoid the harm of the cytotoxic drug to the dispensing personnel under the action of the return spring 3.
Seventh embodiment, on the basis of the second embodiment, the elastic sealing device includes a fixed block 8 fixedly connected to one end of a needle seat 7 and sleeved with the needle tube 1, the needle tube 1 is sleeved with the elastic sealing device 2, and the elastic sealing device 2 is connected with the fixed block 8 through a return spring 3.
In use, referring to fig. 6, when the device is inserted into a vial of cytotoxic drug, the interior of the elastic sealing device 2 starts to be compressed against the return spring 3, and after dispensing is completed, the elastic sealing device 2 can avoid the harm of the cytotoxic drug to the dispensing personnel under the action of the return spring 3.
In the eighth embodiment, on the basis of the second embodiment, the elastic closing device includes a handle 5 connected to the needle base 7 in a sliding manner in the transverse direction, and one end of the handle 5 is fixedly connected to the elastic closing device 2 sleeved with the needle tube 1.
In the use of this embodiment, referring to fig. 7, when inserting into a cytotoxic drug vial, the elastic sealing device 2 starts to take the handle 5 to start to operate, and after dispensing is completed, we fix the handle 5 and start to pull out the handle, so that the elastic sealing device 2 and the cytotoxic drug vial are always attached to each other, and the damage of cytotoxic drugs to dispensing personnel can be avoided at the elastic sealing device 2.
Ninth, in addition to the first embodiment, a dispensing hole 6 is formed at one side of the needle tube 1.
When the injection needle is used, the dispensing hole 6 is formed in one side of the needle tube 1, and injection efficiency is improved.
The above description is only for the purpose of illustrating the present invention, and it should be understood that the present invention is not limited to the above embodiments, and various modifications conforming to the spirit of the present invention are within the scope of the present invention.
Claims (10)
1. A safe dispensing needle for cytotoxic drugs comprises a needle tube (1), a needle point arranged at the front end of the needle tube (1), a dispensing hole (6) formed in the front end or the side wall of the needle tube (1), a needle base (7) fixedly connected with the rear end of the needle tube (1), and an elastic sealing device (2) arranged on the outer side of the needle tube (1), wherein a cavity is formed inside the needle tube (1), a cavity is formed inside the needle base (7) and communicated with the cavity of the needle tube (1), the dispensing hole (6) is communicated with the cavity inside the needle tube (1) and the cavity inside the needle base, and the elastic sealing device (2) is sleeved outside the needle tube (1) to seal the dispensing hole (6).
2. A cytotoxic drug safety dispensing needle as claimed in claim 1 wherein the elastic closure means (2) is made of silicone, rubber, elastic TPE, elastic TPN material.
3. A cytotoxic drug safety dispensing needle as claimed in claim 1, wherein the resilient closure means (2) comprises a return spring (3) fixedly connected between the needle hub (7) and the resilient closure means (2).
4. A cytotoxic drug safety dispensing needle as claimed in claim 1, wherein the elastic closing means comprises a sliding support (4) connected with the needle base (7) in a sliding manner in a transverse direction, one end of the sliding support (4) is fixedly connected with the elastic closing means (2), and the sliding support has an elastic restoring force.
5. A cytotoxic drug safety dispensing needle as claimed in claim 1, wherein the elastic closing means comprises a sliding support (4) connected with the needle holder (7) in a sliding manner in a transverse direction, one end of the sliding support (4) is fixedly connected with the elastic closing means (2), and the needle holder (7) is fixedly connected with the elastic closing means (2) through a return spring (3).
6. A safety dispensing needle for cytotoxic drugs according to claim 1 wherein, the elastic closure means comprises a needle seat (7) with one end fixedly connected with an elastic closure means (2) for wrapping the needle tube (1), and the needle seat (7) is fixedly connected with a return spring (3) between the inner side walls of the elastic closure means (2).
7. The safe dispensing needle for cytotoxic drugs according to claim 1, wherein the elastic sealing means comprises a needle base (7) having one end fixedly connected with a fixed block (8) sleeved with the needle tube (1), the needle tube (1) is sleeved with an elastic sealing means (2), and the elastic sealing means (2) is connected with the fixed block (8) through a return spring (3).
8. A cytotoxic drug safety dispensing needle as claimed in claim 1, wherein the elastic closing means comprises a handle (5) connected with the needle base (7) in a sliding manner in the transverse direction, and one end of the handle (5) is fixedly connected with the elastic closing means (2) sleeved with the needle tube (1).
9. The safe dispensing needle for cytotoxic drugs according to claim 1, characterized in that the upper and lower ends of the needle holder (1) are fixedly connected with a set of stoppers (9) at a transverse interval, the needle holder (1) is transversely slidably connected with a sliding bracket (4) positioned between the needle holder and the set of stoppers, one end of the sliding bracket (4) is fixedly connected with an elastic closing device (2) matched with the needle tube (1), and a return spring (3) is fixedly connected between the needle holder (7) and the elastic closing device (2).
10. The safe dispensing needle for cytotoxic drugs according to claim 1, characterized in that the upper and lower ends of the needle holder (1) are fixedly connected with two sets of stoppers (9) and two sets of sliding brackets (4) between the two sets of stoppers (9) at a transverse interval, one end of the two sets of sliding brackets (4) is fixedly connected with an elastic closing device (2) matched with the needle tube (1), and a return spring (3) is fixedly connected between the needle holder (7) and the elastic closing device (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110728390.4A CN113456490A (en) | 2021-06-29 | 2021-06-29 | Safe dispensing needle for cytotoxic drugs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110728390.4A CN113456490A (en) | 2021-06-29 | 2021-06-29 | Safe dispensing needle for cytotoxic drugs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113456490A true CN113456490A (en) | 2021-10-01 |
Family
ID=77873774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110728390.4A Pending CN113456490A (en) | 2021-06-29 | 2021-06-29 | Safe dispensing needle for cytotoxic drugs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113456490A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070078428A1 (en) * | 2003-01-22 | 2007-04-05 | Reynolds David L | Fluid transfer assembly for pharmaceutical delivery system and method for using same |
| CN102188766A (en) * | 2011-03-12 | 2011-09-21 | 徐昊华 | Needle exchangeable and automatically-retractable disposable safety syringe |
| US20120226238A1 (en) * | 2009-06-02 | 2012-09-06 | Sanofi-Aventis Deutschland Gmbh | Medicated module with bypass and needle guard |
| CN108348397A (en) * | 2015-11-25 | 2018-07-31 | 拜耳医药保健有限公司 | Syringe fills adapter |
| CN208809070U (en) * | 2018-02-09 | 2019-05-03 | 湖南金朋医疗器械有限公司 | A kind of medicine liquid translator |
| US20200398000A1 (en) * | 2019-06-21 | 2020-12-24 | Credence Medsystems, Inc. | Injection system and method |
| CN213490572U (en) * | 2020-09-01 | 2021-06-22 | 韩秋霞 | Dispensing needle |
| CN216136351U (en) * | 2021-06-29 | 2022-03-29 | 文青 | Safe dispensing needle for cytotoxic drugs |
-
2021
- 2021-06-29 CN CN202110728390.4A patent/CN113456490A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070078428A1 (en) * | 2003-01-22 | 2007-04-05 | Reynolds David L | Fluid transfer assembly for pharmaceutical delivery system and method for using same |
| US20120226238A1 (en) * | 2009-06-02 | 2012-09-06 | Sanofi-Aventis Deutschland Gmbh | Medicated module with bypass and needle guard |
| CN102188766A (en) * | 2011-03-12 | 2011-09-21 | 徐昊华 | Needle exchangeable and automatically-retractable disposable safety syringe |
| CN108348397A (en) * | 2015-11-25 | 2018-07-31 | 拜耳医药保健有限公司 | Syringe fills adapter |
| CN208809070U (en) * | 2018-02-09 | 2019-05-03 | 湖南金朋医疗器械有限公司 | A kind of medicine liquid translator |
| US20200398000A1 (en) * | 2019-06-21 | 2020-12-24 | Credence Medsystems, Inc. | Injection system and method |
| CN213490572U (en) * | 2020-09-01 | 2021-06-22 | 韩秋霞 | Dispensing needle |
| CN216136351U (en) * | 2021-06-29 | 2022-03-29 | 文青 | Safe dispensing needle for cytotoxic drugs |
Non-Patent Citations (1)
| Title |
|---|
| 陈晓云;杜培培;张晓东;陈伟;胡小艳;张华华;段现花;马小波;: "密闭式静脉配药装置在细胞毒性药物配置中的应用", 现代医学, vol. 45, no. 06, 25 June 2017 (2017-06-25), pages 866 - 868 * |
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