CN115192114A - Peripheral spring ring with loading cylinder and using method - Google Patents
Peripheral spring ring with loading cylinder and using method Download PDFInfo
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- CN115192114A CN115192114A CN202210983470.9A CN202210983470A CN115192114A CN 115192114 A CN115192114 A CN 115192114A CN 202210983470 A CN202210983470 A CN 202210983470A CN 115192114 A CN115192114 A CN 115192114A
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- 230000002093 peripheral effect Effects 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 208000005189 Embolism Diseases 0.000 claims abstract description 9
- 230000003073 embolic effect Effects 0.000 claims description 21
- 206010002329 Aneurysm Diseases 0.000 claims description 10
- 210000001503 joint Anatomy 0.000 claims description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 7
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 7
- 241001330002 Bambuseae Species 0.000 claims description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 7
- 239000011425 bamboo Substances 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 230000010354 integration Effects 0.000 claims 1
- 238000005452 bending Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000010102 embolization Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 201000008450 Intracranial aneurysm Diseases 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 210000004004 carotid artery internal Anatomy 0.000 description 1
- 238000007428 craniotomy Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- 210000002385 vertebral artery Anatomy 0.000 description 1
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- 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
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- 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
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- 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
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- 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
The invention relates to the technical field of medical instruments, in particular to a peripheral spring coil with a loading cylinder and a use method thereof, wherein the peripheral spring coil comprises a loading cylinder body, an embolism spring coil and a spring coil; a release wire disposed within the loading cartridge body; the releasing mechanism comprises a first clamping block, a first clamping groove is formed in the peripheral wall of the first clamping block, and a first limiting part integrated with the first clamping groove is arranged at one end, close to the releasing mechanism, of the loading cylinder body.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a peripheral spring ring with a loading cylinder and a using method thereof.
Background
There are currently two ways to clinically treat intracranial aneurysms: one is surgical craniotomy, clamping or ligating aneurysms, which has the disadvantages of long operation time and large wound of patients, and is also very difficult to treat aneurysms at special parts such as internal carotid artery, vertebral artery main stem and the like by surgical operation; the other is interventional intravascular treatment, has the advantages of minimal invasion, safety and effectiveness, and becomes the preferred clinical treatment scheme of many medical experts at present.
The most widely used today is percutaneous vascular puncture under X-ray guidance, embolization coils, which are used above to refer to peripheral coils with loading cylinders, through a delivery catheter into the aneurysm cavity to occlude the aneurysm with solid bodies.
The invention discloses a embolic spring ring with publication number CN114668440A, which comprises a spring ring body and an anti-unwinding line arranged in the spring ring body, wherein the line diameter of the near end of the anti-unwinding line is smaller than that of the far end; the anti-unwinding line comprises a bending section, the near end of the bending section is fixedly connected to the near end of the spring ring body, and the far end of the bending section is fixedly connected to the far end of the spring ring body; or the anti-unwinding line comprises a bent section and a straight section, the near end of the bent section is fixedly connected to the near end of the spring ring body, the far end of the bent section is connected to the near end of the straight section, and the far end of the straight section is fixedly connected to the far end of the anti-unwinding line. According to the embolic coil, a certain extension allowance is provided for the anti-unwinding line through the matching of the bending section or the bending section and the straight line section, and the line diameter of the near end of the anti-unwinding line is reduced, so that the flexibility of the near end of the anti-unwinding line is improved, the embolic coil body is prevented from being extended and hardened when being extruded in an aneurysm cavity, and the condition that the embolic coil kicks out the automatic aneurysm cavity of a delivery catheter is avoided.
The embolic coil release system is simple in structure, simple and convenient to operate, safe and reliable, cannot meet the clinical requirement for aneurysm embolization, increases the surgical risk of doctors, influences the treatment effect, and even endangers the life of patients.
Disclosure of Invention
The present invention is directed to a peripheral spring coil with a loading cylinder and method of use that solve the problems set forth in the background above.
The technical scheme of the invention is as follows: the peripheral spring ring with the loading cylinder comprises a loading cylinder body, a plug spring ring and a spring ring body, wherein the plug spring ring body is provided with a spring ring body;
a release wire disposed within the loading cartridge body;
the releasing mechanism is arranged on the plug spring ring, the releasing mechanism is arranged in the loading barrel body, and the releasing wire can release the plug spring ring and the loading barrel body through the releasing mechanism.
Preferably, the releasing mechanism comprises a first clamping block, a first clamping groove is formed in the peripheral wall of the first clamping block, a first limiting portion integrated with the first clamping groove is arranged at one end, close to the releasing mechanism, of the loading cylinder body, the first limiting portion is clamped into the first clamping groove of the first clamping block, the plug spring ring is fixed to the first clamping block, the first clamping block is in contact with the releasing wire, and a reset assembly is arranged at the bottom of the releasing wire.
Preferably, the reset assembly includes guide block, guide bar and spring one, the guide way has been seted up to loading a body inside wall, the both ends of guide bar are fixed with the both ends inner wall of guide way respectively, the guide block is established on the periphery wall of separating the silk, separating the silk and guide block structure as an organic whole, the guide block slip cap is established on the guide bar, the both ends of spring one contact with the outer wall of guide block and the one end inner wall of guide way respectively.
Preferably, one end of the releasing wire is arranged on a top plate integrated with the releasing wire, and the top plate is attached to one end of the first clamping block under the action of the resetting component.
Preferably, the releasing mechanism further comprises a stressed elastic plate and an elastic soft plate, the stressed elastic plate is arranged on one side of the fixture block deviating from the plug spring ring, the stressed elastic plate and the fixture block are of an integrated structure, one end of the elastic soft plate is fixed on the inner side wall of the loading barrel body, the other end of the elastic soft plate is in contact with the stressed elastic plate, and the elastic soft plate is in a compressed state at the moment.
Preferably, the outer wall of the plug spring ring is fixed with a butt plate coaxial with the plug spring ring, and the outer wall of one end, facing the loading cylinder body, of the butt plate is fixed with a second spring.
Preferably, the first clamping block is replaced by a second clamping block, the first limiting portion on the loading cylinder body is removed, a butt joint block integrated with the second clamping block is arranged on the outer periphery of the second clamping block, a positioning groove is formed in the outer peripheral wall of the top of the releasing wire, and the butt joint block is clamped into the positioning groove.
Preferably, will fixture block one is replaced into fixture block three, will spacing portion one is replaced into spacing portion two, some draw-in grooves two with spacing portion two adaptations are seted up to fixture block three's periphery wall, the one end that loads a body is all seted up to the both sides outer wall of loading a body is divided into two open-ended groovings, the one end of release wire is fixed with two acting as go-between, two the one end that the release wire was kept away from to the acting as go-between is fixed with two openings, this internal spring that is provided with of loading a body is three, the both ends of spring three are fixed with two openings respectively.
A method of using a peripheral spring coil with a loading cylinder, comprising the steps of:
the first step is as follows: delivering the embolic coil into the aneurysm of the patient through the loading cartridge body, and observing delivery of the embolic coil by X-ray.
The second step: when the embolic coil is completely fed or the feeding amount meets the requirement, the release wire enables the embolic coil to be separated from the loading barrel body through the release mechanism.
The invention provides a peripheral spring ring with a loading cylinder and a using method thereof through improvement, compared with the prior art, the invention has the following improvement and advantages:
according to the invention, the release mechanism is arranged, the structure in the release system of the spring ring is simple and not complicated, the spring ring can be easily released by combining the simple release structure, the operation is simple, the response is sensitive, and the blood vessel cannot be damaged.
Drawings
The invention is further explained below with reference to the figures and examples:
FIG. 1 is a schematic diagram of an internal structure of a first embodiment of the present invention;
FIG. 2 is a side cross-sectional structural schematic view of a first embodiment of the present invention;
FIG. 3 is a schematic side sectional view of a second embodiment of the present invention;
FIG. 4 is a schematic side sectional view of a third embodiment of the present invention;
FIG. 5 is a side sectional view schematically illustrating a fourth embodiment of the present invention;
FIG. 6 is a schematic side sectional view of a fifth embodiment of the present invention;
FIG. 7 is a schematic side view of a sixth embodiment of the present invention;
fig. 8 is a schematic side sectional structural view of a sixth embodiment of the present invention.
Description of reference numerals:
1. a loading cylinder body; 101. a first limiting part; 102. a guide rod; 103. a first spring; 104. a guide groove; 105. a second limiting part; 106. grooving; 2. releasing the silk; 201. a guide block; 3. an embolic coil; 4. a disengagement mechanism; 401. a first clamping block; 402. a second clamping block; 403. a butt joint block; 404. a fixture block III; 5. butt-joint plates; 6. a second spring; 7. a third spring; 8. pulling a wire; 9. a stressed elastic plate; 10. an elastic soft board; 11. and a top plate.
Detailed Description
The present invention is described in detail below, and the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a peripheral spring ring with a loading cylinder and a using method thereof through improvement, and the technical scheme of the invention is as follows:
the first embodiment is as follows:
as shown in fig. 1 and 2, the peripheral spring ring with the loading cylinder comprises a loading cylinder body 1 and a plug spring ring 3, and also comprises;
the release wire 2 is arranged in the loading cylinder body 1;
A method of using a peripheral spring coil with a loading cylinder, comprising the steps of:
the first step is as follows: the embolic coil 3 is delivered into the patient's aneurysm through the loading cartridge body 1 and the delivery of the embolic coil 3 is observed by X-ray.
The second step is as follows: when the embolic coil 3 is completely fed or the feeding amount meets the requirement, the release wire 2 separates the embolic coil 3 from the loading cylinder body 1 through the release mechanism 4
Further, the releasing mechanism 4 comprises a first clamping block 401, a first clamping groove is formed in the peripheral wall of the first clamping block 401, one end, close to the releasing mechanism 4, of the loading cylinder body 1 is provided with a first limiting portion 101 integrated with the loading cylinder body, the first limiting portion 101 is clamped into the first clamping groove of the first clamping block 401, the plug spring ring 3 is fixed to the first clamping block 401, the first clamping block 401 is in contact with the releasing wire 2, the bottom of the releasing wire 2 is provided with a reset assembly, the reset assembly comprises a guide block 201, a guide rod 102 and a first spring 103, a guide groove 104 is formed in the inner side wall of the loading cylinder body 1, two ends of the guide rod 102 are respectively fixed to inner walls of two ends of the guide groove 104, the guide block 201 is arranged on the peripheral wall of the releasing wire 2, the releasing wire 2 and the guide block 201 are of an integrated structure, the guide block 201 is slidably sleeved on the guide rod 102, and two ends of the first spring 103 are respectively in contact with the outer wall of the guide block 201 and an inner wall of one end of the guide groove 104.
The working principle is as follows: taking fig. 2 as an example, when the embolic coil 3 is completely fed or the feeding amount reaches the requirement, the releasing wire 2 is moved backward, and the first spring 103 is compressed until the releasing wire 2 and the first latch 401 are separated from each other, and the first latch 401 is separated from the loading cylinder body 1, thereby completing the separation.
Example two:
based on the first embodiment of the present application providing a peripheral spring coil with a loading drum, a second embodiment of the present application proposes another peripheral spring coil with a loading drum. The second embodiment is merely a further way of implementing the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
A second embodiment of the invention is further illustrated with reference to FIG. 3 and the following description: one end of the releasing wire 2 is arranged on the top plate 11 integrated with the releasing wire, and the top plate 11 is attached to one end of the first fixture block 401 under the action of the resetting component.
The working principle is as follows: taking fig. 3 as an example, when the embolic coil 3 is completely fed or the feeding amount meets the requirement, the release wire 2 moves backwards, the first spring 103 is compressed, the release wire 2 is separated from the top plate 11, one side of the first fixture block 401 is not pressed by the top plate 11, the first fixture block 401 is separated from the loading cylinder body 1, and the separation is completed
Example three:
based on the first embodiment of the present application providing a peripheral spring coil with a loading drum, a third embodiment of the present application proposes another peripheral spring coil with a loading drum. The third embodiment is merely a further way of implementing the first embodiment, and the implementation of the third embodiment does not affect the implementation of the first embodiment alone.
A third embodiment of the present invention is further described with reference to FIG. 4 and the following description: the releasing mechanism 4 further comprises a stressed elastic plate 9 and an elastic soft plate 10, the stressed elastic plate 9 is arranged on one side of the first fixture block 401 departing from the plug spring ring 3, the stressed elastic plate 9 and the first fixture block 401 are of an integral structure, one end of the elastic soft plate 10 is fixed on the inner side wall of the loading cylinder body 1, the other end of the elastic soft plate 10 is in contact with the stressed elastic plate 9, and the elastic soft plate 10 is in a compressed state at the moment.
The working principle is as follows: taking fig. 4 as an example, when the plugging spring ring 3 is completely fed or the feeding amount meets the requirement, the releasing wire 2 moves backwards, the first spring 103 is compressed, the elastic soft plate 10 resets, the releasing wire 2 is separated from the first fixture block 401, and the first fixture block 401 is peeled off the loading cylinder body 1 downwards, so that the first fixture block 401 can be separated from the loading cylinder body 1 quickly, and the smoothness of the releasing process is ensured.
Example four:
based on the first embodiment of the present application providing a peripheral spring coil with a loading drum, a fourth embodiment of the present application proposes another peripheral spring coil with a loading drum. The fourth embodiment is merely a further way of implementing the first embodiment, and the implementation of the fourth embodiment does not affect the implementation of the first embodiment alone.
A fourth embodiment of the invention is further illustrated with reference to FIG. 5 and the following examples: the outer wall of the plug spring ring 3 is fixed with a butt joint plate 5 which is coaxial with the plug spring ring, and the outer wall of one end of the butt joint plate 5 facing the loading cylinder body 1 is fixed with a second spring 6.
The working principle is as follows: taking fig. 5 as an example, when the plugging spring ring 3 is completely fed or the feeding amount meets the requirement, the releasing wire 2 moves backwards, the first spring 103 is compressed, the elastic soft plate 10 resets, the releasing wire 2 is separated from the first clamping block 401, the second spring 6 resets, and the first clamping block 401 is moved out of the loading cylinder body 1 by the second spring 6, so that the first clamping block 401 can be separated from the loading cylinder body 1 quickly, and the smoothness of the releasing process is ensured.
Example five:
based on the first embodiment of the present application providing a peripheral spring coil with a loading drum, a fifth embodiment of the present application proposes another peripheral spring coil with a loading drum. The fifth embodiment is merely a further version of the first embodiment, and the implementation of the fifth embodiment does not affect the implementation of the first embodiment alone.
The fifth embodiment of the present invention will be further explained with reference to fig. 6 and the following embodiments: the first clamping block 401 is replaced by a second clamping block 402, the first limiting part 101 on the loading barrel body 1 is removed, the periphery of the second clamping block 402 is provided with a butt joint block 403 integrated with the second clamping block, the top peripheral wall of the release wire 2 is provided with a positioning groove, and the butt joint block 403 is clamped into the positioning groove.
The working principle is as follows: taking fig. 6 as an example, when the embolic coil 3 is completely fed or the feeding amount meets the requirement, the release wire 2 is moved forward, the release wire 2 drives the whole second clamping block 402 to advance, the top of the second clamping block 402 is not pressed, and thus the second clamping block 402 is separated from the release wire 2.
Example six:
based on the first embodiment of the present application providing a peripheral spring coil with a loading drum, a sixth embodiment of the present application provides another peripheral spring coil with a loading drum. The sixth embodiment is merely a further way of implementing the first embodiment, and the implementation of the sixth embodiment does not affect the implementation of the first embodiment alone.
The sixth embodiment of the present invention will be further explained with reference to fig. 7 and 8 and the following embodiments: replace fixture block three 404 with fixture block one 401, replace spacing portion two 105 with spacing portion one 101, the draw-in groove two that has seted up some and spacing portion two 105 adaptations is seted up to fixture block three 404's periphery wall, the both sides outer wall of loading a body 1 is all seted up the one end of loading a body 1 and is divided into two open-ended fluting 106, the one end of release wire 2 is fixed with two acting as go-between 8, the one end that two acting as go-between 8 kept away from release wire 2 is fixed with two openings, it is provided with spring three 7 in the body 1 to load, the both ends of spring three 7 are fixed with two openings respectively.
The working principle is as follows: taking fig. 7 as an example, when the plug spring ring 3 is completely fed or the feeding amount meets the requirement, the releasing wire 2 is advanced, and at this time, the spring three 7 opens the two openings, and the two openings cannot clamp the clamping block three 404, thereby completing the releasing function.
The previous description is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The utility model provides a periphery spring coil with load a section of thick bamboo, includes and loads a section of thick bamboo body (1) and embolism spring coil (3), its characterized in that: also comprises the following steps;
the releasing wire (2), the releasing wire (2) is arranged in the loading cylinder body (1);
a release mechanism (4), the embolism spring ring (3) is installed on the release mechanism (4), the release mechanism (4) sets up in the loading barrel body (1), and the release wire (2) can the release mechanism (4) is released work, namely the release wire (2) passes through the release mechanism (4) makes the embolism spring ring (3) with the loading barrel body (1) is mutual separation.
2. The peripheral spring coil with a loading drum of claim 1, wherein: release mechanism (4) are including fixture block (401), draw-in groove one has been seted up to fixture block (401) periphery wall, the one end that loads a body (1) and be close to release mechanism (4) is equipped with rather than spacing portion (101) of integration, spacing portion (101) card is gone into in the draw-in groove of fixture block (401), embolism spring coil (3) are fixed on fixture block (401), fixture block (401) contact with release silk (2), the bottom of release silk (2) is provided with reset assembly.
3. The peripheral spring coil with a loading cylinder of claim 3, wherein: reset assembly includes guide block (201), guide bar (102) and spring (103), guide way (104) have been seted up to loading section of thick bamboo body (1) inside wall, the both ends of guide bar (102) are fixed with the both ends inner wall of guide way (104) respectively, establish on the periphery wall of disengagement silk (2) guide block (201), disengagement silk (2) and guide block (201) structure as an organic whole, guide block (201) slip cap is established on guide bar (102), the both ends of spring (103) contact with the outer wall of guide block (201) and the one end inner wall of guide way (104) respectively.
4. The peripheral spring coil with a loading cylinder of claim 3, wherein: and one end of the releasing wire (2) is arranged on a top plate (11) integrated with the releasing wire, and the top plate (11) is attached to one end of the first clamping block (401) under the action of the resetting component.
5. The peripheral spring coil with a loading cylinder of claim 3, wherein: release mechanism (4) still include atress elastic plate (9) and elasticity soft board (10), atress elastic plate (9) set up the one side that deviates from embolism spring coil (3) at fixture block one (401), just atress elastic plate (9) and fixture block one (401) structure as an organic whole, the one end of elasticity soft board (10) is fixed on the inside wall of loading a section of thick bamboo body (1), the other end and the contact of atress elastic plate (9) of elasticity soft board (10), elasticity soft board (10) are in by the compression state this moment.
6. The peripheral spring coil with a loading drum of claim 1, wherein: the outer wall of embolism spring coil (3) is fixed with rather than coaxial butt-joint plate (5), butt-joint plate (5) are fixed with spring two (6) towards the one end outer wall of loading a section of thick bamboo body (1).
7. The peripheral spring coil with a loading cylinder of claim 3, wherein: replacing the first clamping block (401) with a second clamping block (402), removing the first limiting part (101) on the loading barrel body (1), arranging a butt joint block (403) integrated with the second clamping block (402) on the periphery of the second clamping block, and enabling the peripheral wall of the top of the release wire (2) to be provided with a positioning groove, wherein the butt joint block (403) is clamped into the positioning groove.
8. The peripheral spring coil with a loading cylinder of claim 3, wherein: replacing the first clamping block (401) with a third clamping block (404), replacing the first limiting part (101) with a second limiting part (105), arranging a second clamping groove matched with the second limiting part (105) on the outer peripheral wall of the third clamping block (404), arranging one end, which is provided with the loading cylinder body (1), of the outer wall of the two sides of the loading cylinder body (1) to form two open-ended slotted holes (106), fixing two pull wires (8) at one end of each release wire (2), fixing one ends, which are far away from the release wires (2), of the pull wires (8) with the two openings, arranging a third spring (7) in the loading cylinder body (1), and fixing the two ends of the third spring (7) with the two openings respectively.
9. The method of using a peripheral spring coil with a loading cylinder of claim 1, comprising the steps of:
the first step is as follows: the embolic coil (3) is delivered into the aneurysm of the patient through the loading cylinder body (1), and the delivery of the embolic coil (3) is observed through X-rays.
The second step: when the embolic coil (3) is completely fed or the feeding amount meets the requirement, the release wire (2) enables the embolic coil (3) and the loading barrel body (1) to be separated from each other through the release mechanism (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210983470.9A CN115192114A (en) | 2022-08-16 | 2022-08-16 | Peripheral spring ring with loading cylinder and using method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210983470.9A CN115192114A (en) | 2022-08-16 | 2022-08-16 | Peripheral spring ring with loading cylinder and using method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117045303A (en) * | 2023-08-16 | 2023-11-14 | 南京思脉德医疗科技有限公司 | Wire changing device of embolic coil conveying system |
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| CN117045303B (en) * | 2023-08-16 | 2024-02-02 | 南京思脉德医疗科技有限公司 | Wire changing device of embolic coil conveying system |
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