CN111281487B - Cerebral nerve and blood vessel thrombus removing device - Google Patents
Cerebral nerve and blood vessel thrombus removing device Download PDFInfo
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- CN111281487B CN111281487B CN202010196089.9A CN202010196089A CN111281487B CN 111281487 B CN111281487 B CN 111281487B CN 202010196089 A CN202010196089 A CN 202010196089A CN 111281487 B CN111281487 B CN 111281487B
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- guide wire
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- protection tube
- adjusting guide
- thrombus
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- 208000007536 Thrombosis Diseases 0.000 title claims abstract description 41
- 230000002490 cerebral effect Effects 0.000 title claims abstract description 15
- 210000005036 nerve Anatomy 0.000 title claims description 12
- 210000004204 blood vessel Anatomy 0.000 title claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 238000013151 thrombectomy Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims 5
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 230000008602 contraction Effects 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 description 5
- 210000003792 cranial nerve Anatomy 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000013156 embolectomy Methods 0.000 description 2
- 210000000196 olfactory nerve Anatomy 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 210000001186 vagus nerve Anatomy 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 210000000683 abdominal cavity Anatomy 0.000 description 1
- 210000002187 accessory nerve Anatomy 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 210000000860 cochlear nerve Anatomy 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 210000000256 facial nerve Anatomy 0.000 description 1
- 210000001932 glossopharyngeal nerve Anatomy 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000002589 oculomotor nerve Anatomy 0.000 description 1
- 210000001328 optic nerve Anatomy 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 210000001428 peripheral nervous system Anatomy 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
- 210000003901 trigeminal nerve 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, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22031—Gripping instruments, e.g. forceps, for removing or smashing calculi
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22031—Gripping instruments, e.g. forceps, for removing or smashing calculi
- A61B2017/22034—Gripping instruments, e.g. forceps, for removing or smashing calculi for gripping the obstruction or the tissue part from inside
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22031—Gripping instruments, e.g. forceps, for removing or smashing calculi
- A61B2017/22035—Gripping instruments, e.g. forceps, for removing or smashing calculi for retrieving or repositioning foreign objects
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22038—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with a guide wire
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
- A61B2017/2212—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions having a closed distal end, e.g. a loop
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a cerebral neurovascular thrombus taking device, which belongs to the technical field of cerebral neurovascular thrombus taking, and particularly relates to a cerebral neurovascular thrombus taking device, which comprises an outer protection tube, a middle adjusting guide wire and a thrombus taking device, wherein the outer protection tube is sleeved on the outer wall of the middle adjusting guide wire, two ends of the middle adjusting guide wire extend to two sides of the outer protection tube, one end of the middle adjusting guide wire is connected with the thrombus taking device, one end of the outer protection tube, which is far away from the thrombus taking device, is connected with an adjusting component, the thrombus taking device comprises a movable connecting seat and a fixed connecting seat, and the adjusting function of the relative position between the outer protection tube and the middle adjusting guide wire is convenient from the outside through the arrangement of the adjusting component, so that the adjusting function of opening and closing the thrombus taking device is realized, and the operation is convenient; the bolt taking device enables the bolt taking wires to be opened and closed through the position adjusting effect between the movable connecting seat and the fixed connecting seat, and therefore the adjusting effect of the whole expansion or contraction of the bolt taking device is achieved.
Description
Technical Field
The invention relates to the technical field of thrombus removal from cerebral neurovascular, in particular to a device for removing thrombus from cerebral neurovascular.
Background
The cranial nerve is also called "cranial nerve". It is the right and left paired nerves from the brain, and belongs to the peripheral nervous system. There are 12 pairs of human cranial nerves: olfactory nerve I, optic nerve II, oculomotor nerve III, pulley nerve IV, trigeminal nerve V, abduction nerve VI, facial nerve VII, auditory nerve VIII, glossopharyngeal nerve IX, vagus nerve X, accessory nerve XI, and sublingual nerve XII. They are distributed primarily in the craniofacial area, with the vagus nerve also distributed to the splanchnic organs of the thoracic and abdominal cavities. Of these 12 pairs of cranial nerves, the pairs I, II, VIII are sensory nerves; the pair III, IV, VI, XI and XII is a motor nerve; pairs V, VII, IX, X are mixed nerves.
When cerebral neurovascular has thrombus, the operation mode of taking thrombus by an interventional thrombus taking device is usually adopted.
The existing embolectomy device is inconvenient to operate when in use, is not easy to expand and furl, and can easily retract under the action of acting force after being adjusted, thereby influencing the use effect.
Disclosure of Invention
The invention aims to provide a cerebral neurovascular thrombus taking-out device, which solves the problems that the existing thrombus taking-out device provided by the background technology is inconvenient to operate when in use, has difficult regulating effect on expansion and furling of the thrombus taking-out device, and is easy to retract under the action of force received by the thrombus taking-out device after being regulated, thereby influencing the use effect.
In order to achieve the purpose, the invention provides the following technical scheme: a cerebral nerve and vessel thrombus taking-out device comprises an outer protection tube, a middle adjusting guide wire and a thrombus taking-out device, wherein the outer protection tube is sleeved on the outer wall of the middle adjusting guide wire, and both ends of the middle adjusting guide wire extend to both sides of the outer protection tube, one end of the middle adjusting guide wire is connected with a thrombus extractor, one end of the outer protection tube, which is far away from the bolt extractor, is connected with an adjusting component, the bolt extractor comprises a movable connecting seat and a fixed connecting seat, the fixed connecting seat is fixedly connected with the end part of the middle adjusting guide wire, the movable connecting seat is movably sleeved on the outer wall of the middle adjusting guide wire, bolt taking wires are uniformly connected between the movable connecting seat and the fixed connecting seat and are arc-shaped, and a return spring is supported between the movable connecting seat and the fixed connecting seat, is positioned on the inner side of the bolt taking wire and is sleeved on the outer wall of the middle adjusting guide wire.
Preferably, the outer protection tube is a silica gel outer protection tube.
Preferably, the intermediate adjusting guide wire is a titanium alloy intermediate adjusting guide wire.
Preferably, the length of the outer protective tube is 80-160cm, and the length of the middle adjusting guide wire is 10-15cm greater than that of the outer protective tube.
Preferably, a buffer gasket is embedded in one side, facing the embolectomy device, of the inner cavity of the outer protection tube, and the diameter of the inner wall of the buffer gasket is the same as that of the outer wall of the middle adjusting guide wire.
Preferably, the adjusting component comprises an outer rigid sleeve seat, the outer rigid sleeve seat is coaxially connected to the end of the outer protection tube, the upper side and the lower side of the outer rigid sleeve seat are connected with rotating shafts in opposite directions, the upper side wall and the lower side wall of the outer rigid sleeve seat are provided with through grooves, the outer wall of each rotating shaft is sleeved with an adjusting roller, and the adjusting rollers on the upper side and the lower side are clamped on the upper side and the lower side of the middle adjusting guide wire.
Preferably, a clamping groove is formed in the outer wall of the adjusting roller, and the adjusting roller is clamped on the outer wall of the middle adjusting guide wire through the clamping groove.
Preferably, a rubber friction strip is arranged in the clamping groove, and friction stripes are uniformly arranged on the rubber friction strip.
Preferably, one side wall of the fixed connecting seat, which is far away from the movable connecting seat, is arc-shaped.
Compared with the prior art, the invention has the beneficial effects that:
1) through the arrangement of the adjusting assembly, the relative position adjusting function between the outer protecting tube and the middle adjusting guide wire is convenient from the outside, so that the adjusting function of opening and closing the thrombus taking device is realized, and the operation is more convenient;
2) the bolt taking device enables the bolt taking wires to be opened and closed through the position adjusting effect between the movable connecting seat and the fixed connecting seat, and therefore the adjusting effect of the whole expansion or contraction of the bolt taking device is achieved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional structural view of the adjustment assembly of the present invention;
FIG. 3 is a schematic view of the thrombus extractor of the present invention.
In the figure: the device comprises an outer protection tube 1, an intermediate adjusting guide wire 2, an adjusting component 3, an outer rigid sleeve seat 31, a through groove 32, a rotating shaft 33, an adjusting roller 34, a bolt taking device 4, a movable connecting seat 41, a fixed connecting seat 42, a bolt taking wire 43 and a return spring 44.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, 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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example (b):
referring to fig. 1-3, the present invention provides a technical solution: a cerebral nerve and vessel thrombus taking-out device comprises an outer protection tube 1, a middle adjusting guide wire 2 and a thrombus taking device 4, wherein the outer protection tube 1 is sleeved on the outer wall of the middle adjusting guide wire 2;
the middle adjusting guide wire 2 can move in the outer protection tube 1, so that the middle adjusting guide wire 2 drives the thrombus remover 4 to move;
and two ends of the middle adjusting guide wire 2 extend to two sides of the outer protection tube 1;
the middle adjusting guide wire 2 moves in the protective tube 1, so that the middle adjusting guide wire 2 is convenient to pull and control from the outside;
one end of the middle adjusting guide wire 2 is connected with a thrombus extractor 4, and one end of the outer protection tube 1, which is far away from the thrombus extractor 4, is connected with an adjusting component 3;
the adjusting component 3 is convenient for drawing and controlling the middle adjusting guide wire 2, thereby realizing the control effect on the thrombus remover 4;
the bolt taking device 4 comprises a movable connecting seat 41 and a fixed connecting seat 42, the fixed connecting seat 42 is fixedly connected to the end part of the middle adjusting guide wire 2, the movable connecting seat 41 is movably sleeved on the outer wall of the middle adjusting guide wire 2, bolt taking wires 43 are uniformly connected between the movable connecting seat 41 and the fixed connecting seat 42, the bolt taking wires 43 are arc-shaped, a return spring 44 is supported between the movable connecting seat 41 and the fixed connecting seat 42, the return spring 44 is positioned on the inner side of the bolt taking wires 43, and the return spring 44 is sleeved on the outer wall of the middle adjusting guide wire 2;
when the movable connecting seat 41 and the fixed connecting seat 42 are close to each other, the bolt taking screw 43 is compressed by the movable connecting seat 41 and the fixed connecting seat 42, so that the middle part of the bolt taking screw 43 is expanded and deformed outwards, and at the moment, the return spring 44 is compressed and generates elasticity. When the distance between the movable connecting seat 41 and the fixed connecting seat 42 is extended, the bolt taking wire 43 is rapidly contracted under the action of the self-restoring trend of the bolt taking wire 43 and the elastic force of the return spring 44.
Further, the outer protection tube 1 is a silica gel outer protection tube, so that the disinfection is convenient, and the harm to a human body is small.
Furthermore, the middle adjusting guide wire 2 is a titanium alloy middle adjusting guide wire, so that the toughness is good, the middle adjusting guide wire can be quickly recovered after deformation, and the next use is facilitated.
Further, the length of the outer protective tube 1 is 80-160cm, and the length of the middle adjusting guide wire 2 is 10-15cm greater than that of the outer protective tube 1.
Further, the embedding of one side of outer protection tube 1 inner chamber orientation thrombectomy ware 4 has the buffering packing ring, the inner wall diameter of buffering packing ring is the same with the outer wall diameter of middle adjustment seal wire 2 for middle adjustment seal wire 2 is comparatively stable when removing, is difficult to appear the condition of rocking.
Further, the adjusting assembly 3 includes an outer rigid sleeve seat 31, the outer rigid sleeve seat 31 is coaxially connected to the end of the outer protecting tube 1, the upper side and the lower side of the outer rigid sleeve seat 31 are both connected with a rotating shaft 33, the upper side and the lower side of the outer rigid sleeve seat 31 are both provided with a through groove 32, the outer wall of the rotating shaft 33 is sleeved with an adjusting roller 34, and the upper side and the lower side of the adjusting roller 34 are clamped on the upper side and the lower side of the middle adjusting guide wire 2.
Through rotating two adjusting rollers 34, under the friction action of adjusting rollers 34, make middle adjustment seal wire 2 remove to conveniently adjust and control the effect to thrombectomy ware 4.
Furthermore, a clamping groove is formed in the outer wall of the adjusting roller 34, and the adjusting roller 34 is clamped on the outer wall of the middle adjusting guide wire 2 through the clamping groove.
Through the setting of joint recess for middle adjustment seal wire 2 is difficult to follow the landing on the joint recess.
Furthermore, a rubber friction strip is arranged in the clamping groove, and friction stripes are uniformly arranged on the rubber friction strip. The friction effect is further increased by the arrangement of the friction stripes.
Further, a side wall of the fixed connection seat 42 away from the movable connection seat 41 is arc-shaped. Reduce the injury to the patient and be difficult to cut the human inside.
While there have been shown and described what are at present considered to be the basic principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but is capable of other embodiments without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a cerebral nerve blood vessel thrombus remove device, includes outer protection tube (1), middle adjustment seal wire (2) and thrombectomy ware (4), its characterized in that: the outer protection tube (1) is sleeved on the outer wall of the middle adjusting guide wire (2), the two ends of the middle adjusting guide wire (2) extend to the two sides of the outer protection tube (1), one end of the middle adjusting guide wire (2) is connected with a bolt taking device (4), one end, far away from the bolt taking device (4), of the outer protection tube (1) is connected with a regulating component (3), the bolt taking device (4) comprises a movable connecting seat (41) and a fixed connecting seat (42), the fixed connecting seat (42) is fixedly connected to the end of the middle adjusting guide wire (2), the movable connecting seat (41) is movably sleeved on the outer wall of the middle adjusting guide wire (2), bolt taking wires (43) are uniformly connected between the movable connecting seat (41) and the fixed connecting seat (42), the bolt taking wires (43) are arc-shaped, and a reset spring (44) is supported between the movable connecting seat (41) and the fixed connecting seat (42), the reset spring (44) is positioned on the inner side of the thrombus taking wire (43), and the reset spring (44) is sleeved on the outer wall of the middle adjusting guide wire (2).
2. The cerebrovascular thrombus extraction device according to claim 1, wherein: the outer protection tube (1) is a silica gel outer protection tube.
3. The cerebrovascular thrombus extraction device according to claim 1, wherein: the middle adjusting guide wire (2) is a titanium alloy middle adjusting guide wire.
4. The cerebral neurovascular thrombus removal device according to claim 1, wherein: the length of the outer protection tube (1) is 80-160cm, and the length of the middle adjusting guide wire (2) is 10-15cm larger than that of the outer protection tube (1).
5. The cerebrovascular thrombus extraction device according to claim 1, wherein: the inner cavity of the outer protection tube (1) is embedded with a buffer gasket towards one side of the thrombus removing device (4), and the diameter of the inner wall of the buffer gasket is the same as that of the outer wall of the middle adjusting guide wire (2).
6. The cerebrovascular thrombus extraction device according to claim 1, wherein: adjusting part (3) are including outer rigidity cover seat (31), outer rigidity cover seat (31) coaxial coupling is at the tip of outer protection tube (1), the upper and lower both sides of outer rigidity cover seat (31) all are connected with pivot (33) in opposite directions, logical groove (32) have all been seted up to the upper and lower lateral wall of outer rigidity cover seat (31), regulation gyro wheel (34) have been cup jointed on the outer wall of pivot (33), go up the downside regulation gyro wheel (34) centre gripping is in the upper and lower both sides of middle adjustment seal wire (2).
7. The cerebrovascular thrombus extraction device according to claim 6, wherein: the outer wall of the adjusting roller (34) is provided with a clamping groove, and the adjusting roller (34) is clamped on the outer wall of the middle adjusting guide wire (2) through the clamping groove.
8. The device for taking out a cerebral neurovascular thrombus as set forth in claim 7, wherein: and a rubber friction strip is arranged in the clamping groove, and friction stripes are uniformly arranged on the rubber friction strip.
9. The cerebral neurovascular thrombus removal device according to claim 1, wherein: one side wall of the fixed connecting seat (42) far away from the movable connecting seat (41) is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010196089.9A CN111281487B (en) | 2020-03-19 | 2020-03-19 | Cerebral nerve and blood vessel thrombus removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010196089.9A CN111281487B (en) | 2020-03-19 | 2020-03-19 | Cerebral nerve and blood vessel thrombus removing device |
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| Publication Number | Publication Date |
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| CN111281487A CN111281487A (en) | 2020-06-16 |
| CN111281487B true CN111281487B (en) | 2022-09-30 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113520519A (en) * | 2021-04-30 | 2021-10-22 | 常州凯尼特医疗科技有限公司 | Adjustable bracket type bolt taking device |
| CN114052827A (en) * | 2021-11-30 | 2022-02-18 | 上海博畅医疗科技有限公司 | Thrombus extraction device |
| CN114305590B (en) * | 2022-03-16 | 2022-06-21 | 北京华脉泰科医疗器械股份有限公司 | Far-end protector |
| CN117752384A (en) * | 2024-02-21 | 2024-03-26 | 北京心祐医疗科技有限公司 | Bolt taking support and mechanical bolt taking device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104434263A (en) * | 2014-12-01 | 2015-03-25 | 中国人民解放军第二军医大学 | Regulating intracranial intravascular thrombus extraction device |
| CN106491181A (en) * | 2017-01-16 | 2017-03-15 | 郑州大学第附属医院 | A kind of thrombosis with many helical structures take pin device |
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| US11826172B2 (en) * | 2014-05-06 | 2023-11-28 | St. Jude Medical, Cardiology Division, Inc. | Electrode support structure assembly |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104434263A (en) * | 2014-12-01 | 2015-03-25 | 中国人民解放军第二军医大学 | Regulating intracranial intravascular thrombus extraction device |
| CN106491181A (en) * | 2017-01-16 | 2017-03-15 | 郑州大学第附属医院 | A kind of thrombosis with many helical structures take pin device |
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Denomination of invention: A device for removing cerebral neurovascular thrombosis Granted publication date: 20220930 Pledgee: Bank of Nanjing Jiangbei District branch of Limited by Share Ltd. Pledgor: NANJING PUWEISEN MEDICAL TECHNOLOGY CO.,LTD. Registration number: Y2024980017465 |