CN110755125B - A delivery and release device for implants - Google Patents
A delivery and release device for implants Download PDFInfo
- Publication number
- CN110755125B CN110755125B CN201911146418.2A CN201911146418A CN110755125B CN 110755125 B CN110755125 B CN 110755125B CN 201911146418 A CN201911146418 A CN 201911146418A CN 110755125 B CN110755125 B CN 110755125B
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- Prior art keywords
- hypotube
- implant
- conveying
- sealing
- wire
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- 239000007943 implant Substances 0.000 title claims abstract description 29
- 239000012943 hotmelt Substances 0.000 claims abstract description 18
- 238000003466 welding Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 25
- 229920000642 polymer Polymers 0.000 claims description 17
- 238000002844 melting Methods 0.000 claims description 9
- 230000008018 melting Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 206010028980 Neoplasm Diseases 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002792 vascular Effects 0.000 description 2
- 206010002329 Aneurysm Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003073 embolic effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
- A61B17/12109—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel
- A61B17/12113—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel within an aneurysm
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
- A61B17/1214—Coils or wires
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B2017/1205—Introduction devices
- A61B2017/12054—Details concerning the detachment of the occluding device from the introduction device
- A61B2017/12068—Details concerning the detachment of the occluding device from the introduction device detachable by heat
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B2017/1205—Introduction devices
- A61B2017/12054—Details concerning the detachment of the occluding device from the introduction device
- A61B2017/1209—Details concerning the detachment of the occluding device from the introduction device detachable by electrical current or potential, e.g. electroactive polymer
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Reproductive Health (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Neurosurgery (AREA)
- Surgical Instruments (AREA)
Abstract
本发明公开的一种用于植入物的输送解脱装置，包括由近及远依次设置的解脱装置、输送系统、热熔装置、焊接块、植入物，输送解脱装置还包括导线一、导线二；所述解脱装置与输送系统相连，输送系统与热熔装置相连，热熔装置通过焊接块与植入物相连。本发明的解脱装置结构新颖、简洁、成本较低、植入物定位可靠、解脱稳定、熔断速度快从而解脱时间短并缩短手术时间，便于医生操作，最终病人痛苦减少。
The present invention discloses a delivery and release device for implants, comprising a release device, a delivery system, a hot melt device, a welding block, and an implant arranged in sequence from near to far, and the delivery and release device also comprises a first wire and a second wire; the release device is connected to the delivery system, the delivery system is connected to the hot melt device, and the hot melt device is connected to the implant through the welding block. The release device of the present invention has a novel structure, is simple, has a low cost, has reliable implant positioning, is stable in release, has a fast fusing speed, and thus has a short release time and shortens the operation time, is convenient for doctors to operate, and ultimately reduces the pain of patients.
Description
Technical Field
The invention relates to medical equipment, in particular to an implant conveying system and a releasing device.
Background
At present, the conveying device for interventional operation is percutaneous vascular puncture, enters a human body through a micro-catheter, and returns after a to-be-conveyed object reaches a target position to finish a release task.
The current mainstream coil delivery devices on the market suffer from a number of disadvantages, such as the following disadvantages in general for the electrolytic stripping devices:
The release time is long and unstable, typically 15-60s or even longer.
Inconvenient operation, the doctor needs to repeatedly connect and plug wires to connect the constant current source and the human body.
The patient has uncomfortable feeling, and the wire clamp clamps the human body.
The conveying guide wire often has a tube kicking phenomenon.
Mechanical release devices typically have the following disadvantages:
The manufacturing process is complex, the cost is high, and the price is high.
The mainstream hot melt spring coil release devices currently on the market generally have the following drawbacks:
the process is complex, the cost is high, and the price is high.
False alarms or inaccurate alarms at the proximal end of the detacher.
The unstable phenomenon is relieved.
Disclosure of Invention
The invention aims to solve the defects of the prior art, and provides the hot melting spring ring releasing device which has novel and concise structure, low cost, reliable implant positioning, stable releasing and high fusing speed, so that the releasing time is short, the final operation time is shortened, the pain of a patient is less, and the operation of doctors is convenient.
The invention provides a conveying releasing device for an implant, which comprises a releasing device, a conveying system, a hot melt device, a welding block and an implant which are sequentially arranged from near to far, wherein the conveying releasing device further comprises a first conducting wire and a second conducting wire, the releasing device is connected with the conveying system, the conveying system is connected with the hot melt device through the welding block, the hot melt device is connected with the implant through the welding block, the conveying system comprises a near-end handle pipe, a near-end connecting pipe, a hypotube insulating layer, a conveying spring ring and a conveying guide wire, the near-end handle pipe is connected with one electrode end of the releasing device, the near-end connecting pipe is connected with the other electrode end of the releasing device, the hypotube insulating layer is sleeved on the outer surface of the near-end of the hypotube, the near-end handle pipe and the near-end connecting pipe are sequentially sleeved on the outer surface of the insulating layer of the hypotube, the front end of the conveying spring ring penetrates through the far-end of the hypotube, the head end part of the conducting wire is welded with the outer surface of the near-end handle pipe, the extending part of the end handle pipe extends from the end of the proximal handle pipe to the end, the end of the sealing ring extends from the sealing ring to the inner part of the sealing ring, the sealing ring extends from the inner part of the sealing ring to the inner part of the sealing ring, and the sealing ring extends from the inner part of the sealing ring to the sealing ring, and the tail end of the conveying guide wire is connected with the high polymer medical wire. The medical device comprises a proximal connecting tube, a proximal handle tube, a proximal connecting tube, a first conducting wire, a second conducting wire, a flexible conveying spring ring, a waterproof tube, a high-molecular medical wire and a surgical operation efficiency, wherein the hypotonic connecting tube is arranged in the tumor cavity of the microcatheter, the hypotonic connecting tube is arranged in the tumor cavity of the catheter, the proximal handle tube is connected with the proximal connecting tube, the first conducting wire is connected with the proximal handle tube, the second conducting wire is connected with the two electrodes of the release device through the proximal connecting tube, the first conducting wire is connected with the second conducting wire through the proximal handle tube, the first conducting wire is electrically conducted with the two electrodes of the release device, the flexibility of the conveying spring ring improves the situation that the conveying guide wire is too hard, after an implant is released, the microcatheter is kicked out of the tumor cavity, the flexibility of the conveying guide wire is improved, the waterproof tube is arranged, the inside the high-molecular medical wire can be safely and stably released, the release time is shortened, and the production cost is reduced.
Preferably, the first lead and the second lead are respectively welded with two ends of the hot-melt spring ring.
Preferably, the front end of the waterproof pipe is provided with an opening, the tail end of the waterproof pipe is provided with a closed end, and a small hole allowing a high polymer medical line to pass through is arranged in the center of the closed end.
Preferably, the implant is a spring coil.
Preferably, the length of the hot-melt spring coil is smaller than the length of the waterproof tube.
Preferably, the disengaging device is integrally and fixedly connected with the conveying system. The integrated fixed connection is convenient for doctors to operate, only one key is needed to control the switch, the repeated matching of the tripping device and the circuit connection of the conveying device is not needed, the circuit cost is saved, the structure is simple and novel, and the manufacturing cost is saved.
Preferably, the proximal end of the delivery guidewire is fixedly connected with the disengaging device.
Preferably, a gap of 0.5mm is arranged between the proximal connecting tube and the proximal handle tube. A gap is reserved between the proximal connecting pipe and the proximal handle pipe, so that the short circuit phenomenon is prevented.
The releasing device has novel and simple structure, low cost, reliable implant positioning, stable releasing and high fusing speed, so that the releasing time is short, the operation time is shortened, the operation of doctors is convenient, and finally the pain of patients is reduced.
Drawings
Fig. 1 is a schematic view of the overall connection structure of the conveying and disengaging device of the present invention.
Fig. 2 is a schematic circuit connection diagram of the conveyance trip device of the present invention.
In the figure, a releasing device 1, a conveying system 2, a hot melting device 3, a welding block 4, an implant 5, a first lead 6, a second lead 7, a proximal handle tube 8, a proximal connecting tube 9, a hypotube 10, a hypotube insulation layer 11, a conveying spring ring 12, a conveying guide wire 13, a waterproof tube 14, a hot melting spring ring 15 and a high polymer medical wire 16 are arranged.
Detailed Description
The embolic coil delivery device of the present invention and the method of making the same will be described in more detail below in conjunction with the schematic drawings, wherein preferred embodiments of the present invention are shown, it being understood that one skilled in the art can modify the invention described herein while still achieving the beneficial effects of the invention. Accordingly, the following description is to be construed as broadly known to those skilled in the art and not as limiting the invention.
The invention is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the invention will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the invention.
As shown in fig. 1, the conveying releasing device 1 comprises a releasing device 1, a conveying system 2, a hot melting device 3, a welding block 4 and an implant 5 which are sequentially arranged from the near to the far, wherein the releasing device 1 is connected with the conveying system 2, the conveying system 2 is connected with the hot melting device 3, and the hot melting device 3 is connected with the implant 5 through the welding block 4; the proximal handle tube 8 is connected with one electrode end of the releasing device 1, the proximal connecting tube 9 is connected with the other electrode end of the releasing device 1, the hypotube insulating layer 11 is sleeved on the outer surface of the proximal end of the hypotube 10, the proximal handle tube 8 and the proximal connecting tube 9 are sequentially sleeved on the outer surface of the hypotube insulating layer 11 of the proximal end of the hypotube 10, a gap of 0.5mm is arranged between the proximal connecting tube and the proximal handle tube, the front end of the conveying spring ring 12 penetrates through the distal end of the hypotube 10, the head end part of the second conducting wire 7 is welded with the outer surface of the tail end of the proximal handle tube 8, the tail end part of the second conducting wire 7 penetrates through the conveying spring ring 12 to be connected with the tail end of the hot-melt spring ring 15, the tail end of the first conducting wire 6 penetrates through the hypotube 10 to be connected with the front end of the hot-melt spring ring 15, the front end of the conducting wire 6 extends out of the hypotube 10, the extending part is folded towards the direction of the proximal connecting tube 9 and is welded with the outer surface of the tail end tube of the proximal end 9, the hot-melt spring ring 15 is arranged in the inner cavity 14, the high-temperature-resistant wire spring wire 14 penetrates through the inner cavity 16 of the sealing tube 4 and is fixed in the tail end of the conveying tube 4, the conveying spring ring is fixed in the conveying tube 4, the tail end of the carrier wire is fixed in the carrier tube 13, and the carrier wire is fixed in the carrier tube 13, the tail end of the conveying guide wire 13 is connected with the high polymer medical line 16, the proximal end of the conveying guide wire 13 is fixedly connected with the releasing device 1, the front end of the waterproof tube 14 is provided with an opening, the tail end of the waterproof tube is provided with a closed end, and a small hole allowing the high polymer medical line 16 to pass through is arranged in the center of the closed end.
As shown in fig. 2, the release device 1 is adhered to or welded or otherwise fixed with the conveying system 2, a proximal handle tube 8 of the conveying system 2 is connected with one electrode end of the release device 1, a proximal connecting tube 9 is connected with the other electrode end of the release device 1, a hypotube insulating layer 11 is sleeved on the outer surface of the proximal end of the hypotube 10, the proximal handle tube 8 and the proximal connecting tube 9 are sequentially sleeved on the outer surface of the hypotube insulating layer 11 of the proximal end of the hypotube 10, the head end part of a second wire 7 is welded with the outer surface of the tail end of the proximal handle tube 8, the second wire 7 extends towards the direction of the hypotube 10 and is welded with the tail end of the hypotube 10, the tail end of the second wire 7 penetrates through a conveying spring ring 12 to be connected with the tail end of a hot-melt spring ring 15, the tail end of the first wire 6 penetrates through the hypotube 10 to be connected with the front end of the hot-melt spring ring 15, the front end of the first wire 6 extends out of the hypotube 10, the extending part is folded towards the direction of the proximal end 9 and is welded with the tail end tube surface of the proximal connecting tube 9, the first wire 6 and the second wire 7 is electrically connected with the tail end of the release device 1 is electrically connected with the tail end of the proximal end of the hypotube 8, the second wire 7 is electrically connected with the release device 1, the second wire is connected with the tail end of the release device 1 through the hot-melt spring ring 16 and the medical device is connected with the medical device through the high-molecular polymer implant spring 15 through the high-temperature polymer spring 15, and the high-polymer heating device 5 and the high temperature polymer medical polymer heating device is connected with the high temperature polymer heating device 15 through the high temperature polymer heating device 15, and the high temperature polymer heating device, and the high temperature molecular heating device is connected.
During operation, the microcatheter is conveyed into the target aneurysm of the human body through percutaneous vascular puncture, so that the implant 5 of the conveying and disengaging device in the microcatheter is conveyed to a proper position, the disengaging device 1 is started, current flows through the first lead wire 6 and the second lead wire 7, the hot-melt spring ring 15 heats, heat is conducted to the high-polymer medical wire 16 in the ring, the high-polymer medical wire 16 is heated and broken, the disengaging time is only about 1s, and finally the implant 5 is left at the target position after exiting the conveying system.
The releasing device has novel and simple structure, low cost, reliable implant positioning, stable releasing and high fusing speed, so that the releasing time is short, the operation time is shortened, the operation of doctors is convenient, and finally the pain of patients is reduced.
Various modifications and alterations of this invention may be made by those skilled in the art without departing from the spirit and scope of this invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (5)
1. A conveying releasing device for an implant comprises a releasing device, a conveying system, a hot melting device, a welding block and an implant which are sequentially arranged from near to far, wherein the conveying releasing device further comprises a first lead and a second lead, the releasing device is connected with the conveying system, the conveying system is connected with the hot melting device, the hot melting device is connected with the implant through the welding block, the conveying system is characterized by comprising a near-end handle pipe, a near-end connecting pipe, a hypotube insulating layer, a conveying spring ring and a conveying guide wire, the near-end handle pipe is connected with one electrode end of the releasing device, the near-end connecting pipe is connected with the other electrode end of the releasing device, the hypotube insulating layer is sleeved on the outer surface of the hypotube, the near-end handle pipe and the near-end connecting pipe are sequentially sleeved on the outer surface of the hypotube insulating layer, the front end of the conveying spring ring penetrates through the far end of the hypotube, the head end part of the second lead is welded with the outer surface of the near-end handle pipe, the end of the conducting wire is connected with the end of the hypotube, the end of the hypotube is connected with the end of the sealing ring in a stretching direction, the end of the hypotube, the end of the sealing ring extends to the inner part of the sealing device, the sealing wire extends from the inner part of the sealing device to the sealing device, the sealing device is fixedly connected with the inner part of the sealing wire, the sealing device is connected with the sealing wire in the sealing device, the sealing device is fixedly extends to the inner part of the sealing device, and the sealing device is connected with the sealing device, the tail end of the conveying guide wire is connected with the high polymer medical line;
The first lead and the second lead are respectively welded with two ends of the hot-melt spring ring;
the front end of the waterproof pipe is provided with an opening, the tail end of the waterproof pipe is provided with a closed end, and the center of the closed end is provided with a small hole for allowing a high polymer medical line to pass through;
The implant is a spring coil.
2. A delivery release device for an implant as in claim 1, wherein the length of the hot melt spring coil is less than the length of the water resistant tube.
3. A delivery release device for an implant according to claim 1, wherein the release device is provided in an integrated fixed connection with the delivery system.
4. A delivery release device for an implant as in claim 1, wherein the proximal end of the delivery guidewire is fixedly connected to the release device.
5. A delivery release device for an implant as in claim 1, wherein a 0.5mm gap is provided between the proximal connecting tube and the proximal handle tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911146418.2A CN110755125B (en) | 2019-11-21 | 2019-11-21 | A delivery and release device for implants |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911146418.2A CN110755125B (en) | 2019-11-21 | 2019-11-21 | A delivery and release device for implants |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110755125A CN110755125A (en) | 2020-02-07 |
| CN110755125B true CN110755125B (en) | 2025-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911146418.2A Active CN110755125B (en) | 2019-11-21 | 2019-11-21 | A delivery and release device for implants |
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| Country | Link |
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| CN (1) | CN110755125B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115844734A (en) * | 2023-01-10 | 2023-03-28 | 上海可映康科技有限公司 | Guide wire, guiding device and jejunum fistulization system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211560220U (en) * | 2019-11-21 | 2020-09-25 | 上海加奇生物科技苏州有限公司 | A carry release device for implant |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140058435A1 (en) * | 2012-08-21 | 2014-02-27 | Donald K. Jones | Implant delivery and release system |
| CN103284773B (en) * | 2013-05-31 | 2016-04-27 | 威海维心医疗设备有限公司 | Hot melt frees turn system |
| US9717503B2 (en) * | 2015-05-11 | 2017-08-01 | Covidien Lp | Electrolytic detachment for implant delivery systems |
| CN206355094U (en) * | 2016-10-20 | 2017-07-28 | 微创神通医疗科技（上海）有限公司 | Implant induction system |
| CN109907792A (en) * | 2019-04-22 | 2019-06-21 | 苏州优医港科技有限公司 | A mechanical release structure, implant and mechanical release device |
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- 2019-11-21 CN CN201911146418.2A patent/CN110755125B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211560220U (en) * | 2019-11-21 | 2020-09-25 | 上海加奇生物科技苏州有限公司 | A carry release device for implant |
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| CN110755125A (en) | 2020-02-07 |
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