CN109350321B - Stent implant device in visual state - Google Patents
Stent implant device in visual state Download PDFInfo
- Publication number
- CN109350321B CN109350321B CN201811489225.2A CN201811489225A CN109350321B CN 109350321 B CN109350321 B CN 109350321B CN 201811489225 A CN201811489225 A CN 201811489225A CN 109350321 B CN109350321 B CN 109350321B
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- China
- Prior art keywords
- tube
- soft head
- inner tube
- outer tube
- bendable
- 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.)
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Links
- 230000000007 visual effect Effects 0.000 title claims abstract description 16
- 239000007943 implant Substances 0.000 title description 5
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000002347 injection Methods 0.000 claims description 17
- 239000007924 injection Substances 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 17
- 238000005452 bending Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000010894 electron beam technology Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- -1 polytetrafluoroethylene Polymers 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 2
- 238000002513 implantation Methods 0.000 abstract description 14
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 210000001035 gastrointestinal tract Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002560 therapeutic procedure Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000003211 malignant effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/962—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve
- A61F2/966—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/0661—Endoscope light sources
- A61B1/0684—Endoscope light sources using light emitting diodes [LED]
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Surgery (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Vascular Medicine (AREA)
- Cardiology (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention discloses a stent implantation device in a visual state, which comprises an inner tube, a middle tube and an outer tube which are sequentially arranged from inside to outside, wherein the distal end of the inner tube is connected with a flexible soft head in a penetrating way, a stent is compressed in a space between the outer tube and the inner tube, and two ends of the stent are respectively abutted against the proximal end of the flexible soft head and the distal end of the middle tube; the outer tube can move back and forth relative to the middle tube, and the outer tube is retracted or the middle tube and the inner tube move forwards together, so that the bracket is released from the space between the outer tube and the inner tube and returns to the original state; and an electronic camera lens with an LED light source is arranged in the bendable soft head. The stent implantation device in the visual state utilizes the design that the operation wire drives the soft head to bend at one side and the electronic camera with the light source, can control the soft head to turn through the operation button under the visual state so as to smoothly pass through the bent angle of the human body cavity, and can continue to operate the device or assist other devices to operate the device through the bent angle.
Description
Technical Field
The invention relates to a stent implantation device in the field of medical equipment, in particular to a stent implantation device in a visible state.
Background
The interventional therapy is an emerging subject integrating image diagnosis and clinical treatment, and is guided by the image equipment to be guided into a focus of a human body through a natural duct or a tiny wound of the human body for minimally invasive treatment, so that the interventional therapy has the advantages of accuracy, safety, high efficiency, wide indication, few complications, small wound, rapid postoperative recovery and the like, has become the first-choice treatment method of some diseases, and is one of three clinical post subjects parallel to the traditional internal and external subjects. The common implant cannot pass through the bent angle of the human body cavity when entering the bent angle, so that the risk of the operation is increased greatly or the operation fails. By introducing the implant with visual and bendable far end, when the product enters the bent angle of the human body cavity under the visual state, the device can lead the far end to form bending so as to smoothly pass through the bent angle of the human body cavity, and the operation can be smoothly, safely and efficiently carried out
Therefore, there is a need to solve the above problems.
Disclosure of Invention
The invention aims to: the invention aims to provide a stent implantation device which can smoothly pass through a bent angle of a human body cavity in a visual state, so that an operation can be smoothly, safely and efficiently performed in the visual state.
The technical scheme is as follows: in order to achieve the above purpose, the invention discloses a stent implantation device in a visual state, which comprises an inner tube, a middle tube and an outer tube which are sequentially arranged from inside to outside, wherein the distal end of the inner tube is connected with a flexible soft head in a penetrating way, a stent is compressed in a space between the outer tube and the inner tube, and two ends of the stent are respectively abutted with the proximal end of the flexible soft head and the distal end of the middle tube; the outer tube can move back and forth relative to the middle tube, and the outer tube is retracted or the middle tube and the inner tube move forwards together, so that the bracket is released from the space between the outer tube and the inner tube and returns to the original state; and an electronic camera lens with an LED light source is arranged in the bendable soft head.
The flexible soft head comprises a soft head part and a columnar flexible connecting part, wherein a plurality of grooves are uniformly formed in the outer wall of the columnar flexible connecting part, and a plurality of connecting discs are formed; the flexible soft head is characterized in that the flexible soft head is symmetrically connected with operation wires for controlling the bending of the flexible soft head, the distal ends of the operation wires are fixedly connected with the soft head, sequentially penetrate through the connecting disc and the inner tube and extend out, and the flexible soft head can be driven to bend by pulling the operation wires.
Preferably, the soft head and the columnar bendable connecting portion are integrally formed.
Furthermore, the proximal end of the outer tube is connected with a front handle, and the front handle can move back and forth along the outer wall of the middle tube under the drive of the front handle; the proximal ends of the middle tube and the inner tube are connected with a rear handle, and the middle tube and the inner tube can move back and forth along the inner wall of the outer tube together under the drive of the rear handle; the outer tube is retracted or the middle tube and the inner tube are advanced together so that the stent is released from the space between the outer tube and the inner tube and returns to its original state.
Further, the operation wire passes through the inner tube and is fixedly connected with an operation button arranged on the rear handle, the operation button can move back and forth along the rear handle, and meanwhile, the operation wire is pulled to drive the bendable soft head to deform and bend at one side.
Preferably, the rear handle is connected with a liquid injection joint which is communicated with the inner tube.
Preferably, the rear handle is connected with an electrical connector, and the electrical connector is communicated with the inner tube.
And a boosting steel pipe is sleeved between the middle pipe and the inner pipe.
Further, the inner tube is a multi-cavity tube, a guide wire channel, an operation wire channel, a liquid injection channel and an electronic wire channel are arranged in the inner tube, and a guide wire hole communicated with the guide wire channel, a liquid injection hole communicated with the liquid injection channel, an operation wire connecting hole communicated with the operation wire channel and a connecting hole connected with the inner tube are formed in the flexible soft head.
The beneficial effects are that: compared with the prior art, the invention has the following remarkable advantages: firstly, when the operation can not smoothly pass through the bent angle of the human body cavity, the stent implantation device in the visual state of the invention utilizes the design that the operation wire drives the soft head to bend on one side and the electronic camera with the light source, can control the soft head to turn under the visual state through the operation button so as to smoothly pass through the bent angle of the human body cavity, and can continue to operate the device or assist other devices to operate the device through the bent angle; the invention greatly simplifies the operation difficulty and perforation risk when the instrument passes through the bent angle of the human body cavity, saves the operation time, improves the operation safety, and is suitable for the interventional image treatment and examination of the digestive tract and the interventional image treatment and examination of the respiratory tract; secondly, the inner tube is designed into a multi-cavity tube, so that the traditional interventional therapy is changed, multiple instruments are required to be repeatedly and alternately replaced in the operation process, the time is long, the difficulty is high, and malignant medical accidents such as perforation and the like are easy to occur; the intervention operation is greatly simplified, the operation safety is improved, the number of used instruments is reduced, and the medical expense of a patient is further reduced; the invention changes the traditional intervention operation to be carried out under the assistance of X-rays, multiple instruments are required to be repeatedly and alternately replaced in the operation process, the time is long, the difficulty is high, malignant medical accidents such as perforation and the like are easy to occur, and long-time X-ray irradiation has certain physical injury to patients and medical staff in operation.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 shows the present invention schematic diagram of the end face of the inner pipe;
FIG. 3 is a schematic cross-sectional view of a flexible soft head of the present invention;
fig. 4 is an end view of a flexible soft head according to the present invention.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings.
As shown in fig. 1, the stent implantation device in a visual state of the present invention comprises an inner tube 1, a middle tube 2, an outer tube 3, a flexible soft head 4, a stent 5, an operation wire 6, a front handle 7, a rear handle 8, an operation button 9, a liquid injection joint 10, a boosting steel tube 11, an electronic camera lens 12 and an electric appliance joint 13. The inner tube 1, the middle tube 2 and the outer tube 3 are sequentially arranged from inside to outside, a bracket 5 is compressed in a space between the outer tube 3 and the inner tube 1, and two ends of the bracket 5 are respectively abutted against the proximal end of the flexible soft head 4 and the distal end of the middle tube 2; the proximal end of the outer tube 3 is connected with a front handle 7, and the front handle 7 can move back and forth along the outer wall of the middle tube 2 under the drive of the front handle 7; the proximal ends of the middle tube 2 and the inner tube 1 are connected with a rear handle 8, and the middle tube 2 and the inner tube 1 can move back and forth along the inner wall of the outer tube 3 together under the drive of the rear handle 8; the outer tube 3 is retracted or the middle tube 2 and the inner tube 1 are advanced together so that the stent 5 is released from the space between the outer tube 3 and the inner tube 1 and restored to the original state. The outer tube of the invention is made of polytetrafluoroethylene material; the length may be tailored to different preferred lengths depending on the different needs for the breathing, digestive tract, etc. The outer tube functions in conjunction with the flexible head to pass through the body lumen together, thereby allowing other instruments or components to pass smoothly through the desired site. The middle tube is used for pushing out the bracket in the outer tube and delivering the bracket to the lesion part of the natural cavity of the human body. The front handle serves as a hand-held portion for the operator during the insertion of the implant into the body cavity. As shown in fig. 2, the inner tube 1 of the present invention is a multi-lumen tube having a guide wire channel 101, a manipulation wire channel 102, a liquid injection channel 103, and an electron beam channel 104 therein, wherein the number of manipulation wire channels 102 is 2. A booster steel pipe 11 is sleeved between the middle pipe 2 and the inner pipe 1, and the booster steel pipe 11 is used for reinforcing the strength of the middle pipe 2 and the inner pipe 1 so that the middle pipe 2 and the inner pipe 1 provide enough supporting force without bending when the bracket 5 is pushed out from the outer pipe 3. The rear handle is used for pushing out the acting point of the bracket, and all the cavities in the inner tube are required to be connected with other instruments through the rear handle. The rear handle 8 is connected with a liquid injection joint 10, the liquid injection joint 10 is communicated with a liquid injection channel 103 of the inner tube 1, the rear handle 8 is connected with an electric appliance joint 13, the electric appliance joint 13 is communicated with an electronic line channel of the inner tube 1 and is electrically connected with the electronic camera 12, and a photographic image of the electronic camera is transmitted to external equipment, so that visual operation is facilitated.
As shown in fig. 3 and 4, the distal end of the inner tube 1 of the present invention is connected with a flexible head 4 by insertion, and the flexible head 4 is symmetrically connected with operation wires 6 for controlling the bending thereof. The bendable soft head 4 comprises a soft head 401 and a columnar bendable connecting part 402, wherein a plurality of grooves are uniformly formed in the outer wall of the columnar bendable connecting part 402, and a plurality of connecting discs 403 are formed; the distal end of the operating wire 6 is fixedly connected to the soft head 401 and sequentially passes through the connection disc 403. Wherein both the soft head 401 and the columnar bendable connecting portion 402 can be integrally formed, and the electronic imaging lens 12 is provided in the soft head 401. The flexible head 4 is provided with a guide wire hole 404 communicated with the guide wire channel 101, a liquid injection hole 405 communicated with the liquid injection channel 103, an operation wire connecting hole 406 communicated with the operation wire channel 102 and a connecting hole 407 connected with the inner tube 1. The operation wire 6 passes through the operation wire channel 102 of the inner tube 1 and is fixedly connected with the operation button 9 arranged on the rear handle 8, the operation button 9 can move back and forth along the rear handle 8, and simultaneously, the operation wire 6 is pulled to drive the flexible soft head 4 to deform and bend at one side. When the implantation device enters the human body cavity, the implantation device encounters a large bent angle part in the human body cavity, and the operation button on the rear handle can be used for bending the soft head at the distal end of the implantation device, so that the bent distal end of the implantation device smoothly passes through the bent part in the human body cavity.
After the stent implantation device in the visual state enters the human body cavity, the operation button is pushed to operate the flexible soft head at the far end of the implantation device, so that the flexible soft head smoothly passes through the bent angle of the human body cavity and is delivered to the focus part; the front handle is retracted, and the bracket between the inner tube and the outer tube is released; after reaching the appointed position, the device can be used with other instruments alternately. When the electronic endoscope is used, through the image of the electronic camera lens, the operation button 9 moves back and forth to drive the operation wire to act and deform and bend the single side of the bendable soft head, so that the purpose that the guide wire smoothly passes through the bending part in the intestinal tract is achieved.
Claims (1)
1. A visual stent graft device, characterized by: the flexible pipe comprises an inner pipe (1), a middle pipe (2) and an outer pipe (3) which are sequentially arranged from inside to outside, wherein a flexible soft head (4) is connected to the distal end of the inner pipe (1) in a penetrating manner, a bracket (5) is compressed in a space between the outer pipe (3) and the inner pipe (1), and two ends of the bracket (5) are respectively abutted to the proximal end of the flexible soft head (4) and the distal end of the middle pipe (2); the outer tube (3) can move back and forth relative to the middle tube (2); an electronic camera lens (12) with an LED light source is arranged in the bendable soft head (4); the proximal end of the outer tube (3) is connected with a front handle (7), and the outer tube can move back and forth along the outer wall of the middle tube (2) under the drive of the front handle (7); the proximal ends of the middle tube (2) and the inner tube (1) are connected with a rear handle (8), and the middle tube and the inner tube can move back and forth along the inner wall of the outer tube (3) together under the drive of the rear handle (8); so that the bracket (5) is released from the space between the outer tube (3) and the inner tube (1) and is restored to the original state; the inner tube (1) is a multi-cavity tube, the inside of the inner tube is provided with a guide wire channel (101), operation wire channels (102), a liquid injection channel (103) and electron beam channels (104), and the number of the operation wire channels (102) is 2; the rear handle (8) is connected with an electrical connector (13), and the electrical connector (13) is communicated with an electronic wire channel (104) of the inner tube (1) and is electrically connected with the electronic camera lens (12) to transmit a photographic image of the electronic camera lens to external equipment; The bendable soft head (4) comprises a soft head part (401) and a columnar bendable connecting part (402), wherein a plurality of grooves are uniformly formed in the outer wall of the columnar bendable connecting part (402) and a plurality of connecting discs (403) are formed; the flexible soft head (4) is symmetrically connected with an operation wire (6) for controlling the bending of the flexible soft head, and the distal end of the operation wire (6) is fixedly connected with the soft head (401) and sequentially penetrates through the connecting disc (403) and the inner tube (1) and stretches out; a boosting steel tube (11) is sleeved between the middle tube (2) and the inner tube (1), and a wire guide hole (404) communicated with the wire guide channel (101), a liquid injection hole (405) communicated with the liquid injection channel (103), an operation wire connecting hole (406) communicated with the operation wire channel (102) and a connecting hole (407) connected with the inner tube (1) are formed in the bendable soft head (4); The rear handle (8) is connected with a liquid injection joint (10), and the liquid injection joint (10) is communicated with a liquid injection channel (103) of the inner tube (1); the operation wire (6) passes through the inner tube (1) and is fixedly connected with an operation button (9) arranged on the rear handle (8), the operation button (9) can move back and forth along the rear handle (8), and meanwhile, the operation wire (6) is pulled to drive the bendable soft head (4) to deform and bend at one side; the soft head (401) and the columnar bendable connecting part (402) are integrally formed, and the electronic camera lens (12) is arranged in the soft head (401); the outer tube (3) is made of polytetrafluoroethylene material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811489225.2A CN109350321B (en) | 2018-12-06 | 2018-12-06 | Stent implant device in visual state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811489225.2A CN109350321B (en) | 2018-12-06 | 2018-12-06 | Stent implant device in visual state |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109350321A CN109350321A (en) | 2019-02-19 |
| CN109350321B true CN109350321B (en) | 2024-08-13 |
Family
ID=65331441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811489225.2A Active CN109350321B (en) | 2018-12-06 | 2018-12-06 | Stent implant device in visual state |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109350321B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102551846A (en) * | 2012-01-18 | 2012-07-11 | 南京微创医学科技有限公司 | Disposable remote-injection syringe for use under endoscope |
| CN102921089A (en) * | 2012-11-07 | 2013-02-13 | 南通伊诺精密塑胶导管有限公司 | Bending catheter with controllable head and used for interventional therapy |
| CN206295398U (en) * | 2016-08-26 | 2017-07-04 | 谢超 | Non-vascular cavity visualizes Metal stent placement device |
| CN107374792A (en) * | 2017-07-21 | 2017-11-24 | 李麟荪 | A kind of integral type layered-scaffold implanting device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10046141B2 (en) * | 2008-12-30 | 2018-08-14 | Biosense Webster, Inc. | Deflectable sheath introducer |
| CN102283728B (en) * | 2011-06-28 | 2014-09-10 | 先健科技(深圳)有限公司 | Lumen bracket conveying system |
| WO2018058013A1 (en) * | 2016-09-25 | 2018-03-29 | Xiaolong Ouyang | Endoscopic fluorescence imaging |
| CN106974694B (en) * | 2017-05-02 | 2019-06-28 | 李传方 | Medical instrument actuating station and interventional therapy system, application method |
| CN209847477U (en) * | 2018-12-06 | 2019-12-27 | 南京法迈特科技发展有限公司 | Stent implantation device in visible state |
-
2018
- 2018-12-06 CN CN201811489225.2A patent/CN109350321B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102551846A (en) * | 2012-01-18 | 2012-07-11 | 南京微创医学科技有限公司 | Disposable remote-injection syringe for use under endoscope |
| CN102921089A (en) * | 2012-11-07 | 2013-02-13 | 南通伊诺精密塑胶导管有限公司 | Bending catheter with controllable head and used for interventional therapy |
| CN206295398U (en) * | 2016-08-26 | 2017-07-04 | 谢超 | Non-vascular cavity visualizes Metal stent placement device |
| CN107374792A (en) * | 2017-07-21 | 2017-11-24 | 李麟荪 | A kind of integral type layered-scaffold implanting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109350321A (en) | 2019-02-19 |
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Address after: No.57 Huayuan Avenue, economic development zone, Gaochun District, Nanjing City, Jiangsu Province Applicant after: NANJING FMT MEDICAL Co.,Ltd. Address before: 210032 the four layer of B block, Ding Ye Bai Tai biological building, No. 10, Spark Road, Nanjing high tech Industrial Development Zone, Jiangsu, China. Applicant before: NANJING FMT MEDICAL Co.,Ltd. |
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