CN104434263A - Regulating intracranial intravascular thrombus extraction device - Google Patents
Regulating intracranial intravascular thrombus extraction device Download PDFInfo
- Publication number
- CN104434263A CN104434263A CN201410717947.4A CN201410717947A CN104434263A CN 104434263 A CN104434263 A CN 104434263A CN 201410717947 A CN201410717947 A CN 201410717947A CN 104434263 A CN104434263 A CN 104434263A
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- Prior art keywords
- bolt device
- thrombus
- fixedly connected
- bolt
- handle
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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
- A61B17/22031—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
- A61B17/221—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
- 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)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to a regulating intracranial intravascular thrombus extraction device. The thrombus extraction device is provided with an adjusting guide wire, a thrombus extractor and an outer fixing sheath, wherein one end of the thrombus extractor is fixedly connected with the outer fixing sheath through a fixer, and the other end of the thrombus extractor is fixedly connected with a head-end developer through a fixer; the adjusting guide wire is also fixedly connected to the head-end developer, penetrates through the outer fixing sheath and the thrombus extractor, and is fixedly connected with a handle; a knob and a graduated scale are arranged on the handle. The thrombus extraction device has the advantages that the operability is high, the position of the thrombus extractor can be accurately regulated, the diameter of the thrombus extractor can be intuitively controlled, and thrombus can be completely captured and prevented from falling off; the thrombus can be firmly fixed, and compared with a conventional self-expanding thrombus extractor, the thrombus extraction device is higher in controllability and safety; the adjusting guide wire is controlled to accurately control the position, extension position and withdrawal position of the thrombus extractor by the knob and the graduated scale, and errors are small.
Description
Technical field
The present invention relates to technical field of medical instruments, specifically, is that a kind of controllable intracranial vessel gets pin device.
Background technology
At present, along with the aging of population, in aging crowd, because of elderly brain vessel aging, blood easily forms thrombosis in the exfoliation of vascular system blood vessel inner face.
In prior art, getting thrombosis about use apparatus has the following aspects:
Chopko etc. reported in 2000 and adopt gooseneck type Ink vessel transfusing grabber successfully to take out large cerebral thrombosis, achieved revascularization completely immediately.
2004, Merci device obtained FDA approval and is used for clinical, and Merci device is made up of three parts, the memory guide wire of Nitinol, and its end is curled into ring-type, the guiding tube that a microtubular and a sacculus are supported.
Merci gets that the Ultimum Ti of bolt device formula superlastic makes, and far-end is the spiral ring that 5 diameters diminish gradually, the similar corkscrew of ring-type.Merci device inserts from femoral artery, then the careful cerebral arteries sending into obstruction under angiographic indices of performance, and deployment opening becomes helical form as corkscrew, and after " catching " blood clot, Merci device and blood clot are retracted in the foley's tube that it is large.
2006, phonex thrombosis withdrawing device was used to acute cerebrovascular obturation in Europe, and it is a kind of device being similar to hairbrush sample, and its core is a micro-wire, and periphery is the Subfilament Structure of the arrangement in fence sample that length does not wait.
Chinese patent literature CN201220389333.4, at on 08 07th, 2012 applying date, patent name is that intracranial vessel gets pin device, disclose a kind of intracranial vessel and get pin device, this is got pin device and comprises and get bolt device, guiding wire, push-and-pull seal wire and outer sheath, this gets pin device firmly can fix thrombosis, coming off of effective anti-tampon.
Above-mentioned about intracranial vessel get pin device get bolt device be transported to vascular lesion position time, normally be retracted in epitheca get bolt device, treat that epitheca arrives lesion locations, export to launch in epitheca getting bolt device again, epitheca or get bolt device and may be shifted when this mode gets bolt device because exporting from epitheca, accurately can not control the position of getting bolt device; Even may because of misoperation, human body shake or the impact of other extraneous factors are got bolt device and are controlled, and make to get pin device arterial intima, endotheliocyte generation degeneration, necrosis come off, SE collagen fiber are exposed, Endogenous Type blood coagulation system is activated, and impels more thrombosis; Secondly, these are got pin device and only rely on when catching thrombosis skeleton self-expanding radial support power cannot regulate according to patient's demand, different patient vessel's diameter is different, when reclaiming after catching thrombosis, cannot regulate get bolt device diameter and radial support power according to blood vessel diameter; Further, when arresting thrombosis, easily omit the thrombosis at edge, and when pin device is got in withdrawal, thrombosis easily comes off.
In sum, need a kind of fine adjustment badly and control to get bolt device diameter, strong operability, is not easily shifted, and arrest thrombosis scope extensively, the controllable intracranial vessel of removal of thromboses difficult drop-off gets pin device, but yet there are no report about this device.
Summary of the invention
The object of the invention is for deficiency of the prior art, provide a kind of fine adjustment to control to get bolt device diameter, strong operability, is not easily shifted, and arrest thrombosis scope extensively, the controllable intracranial vessel of removal of thromboses difficult drop-off gets pin device.
For achieving the above object, the technical scheme that the present invention takes is:
A kind of controllable intracranial vessel gets pin device, described in get pin device and be provided with and regulate seal wire, get bolt device, extenal fixation sheath; Described bolt device one end of getting is fixedly connected with by holder with extenal fixation sheath; The described bolt device other end of getting is developed with head end and is fixedly connected with by holder; Described head end development is also fixedly connected with adjustment seal wire; Described adjustment seal wire runs through extenal fixation sheath and gets bolt device; Described extenal fixation sheath is hollow structure; Described adjustment seal wire is fixedly connected with handle; Described handle is provided with rule; Described handle is provided with knob, is positioned at handle front end.
Described get bolt device by have shape memory effect metal wire material or there is elastomeric macromolecule silk material be woven into netted.
Described bolt device two ends of getting are drawn in and are fixed on a bit, described in get bolt device two ends in " funnel " shape.
Describedly get ovalize under bolt device deployed condition, fit with blood vessel.
Described bolt device of getting is provided with twine, and part twine scribbles developing agent.
The invention has the advantages that:
1, a kind of controllable intracranial vessel of the present invention gets pin device, strong operability, is not easily shifted, and accuracy controlling can get the position of bolt device, bolt device diameter is got in visual control, and thrombosis is caught fully, and is not easy to come off;
2, this is got pin device and not only can fixedly secure thrombosis, and gets bolt device compared to traditional self-inflated and have more controllability and safety, adopts to get between bolt device with extenal fixation sheath to be fixedly connected with, and prevents from getting the shake of bolt device;
3, by knob and rule regulating and controlling seal wire, thus control to get the diameter of bolt device and expanded position and retrieving position, control accurately, error is little.
Accompanying drawing explanation
Accompanying drawing 1 is that a kind of controllable intracranial vessel of the present invention gets pin device withdrawal structural representation.
Structural representation under bolt device retracted state got by accompanying drawing 2.
Accompanying drawing 3 is that a kind of controllable intracranial vessel of the present invention gets pin device deployed configuration schematic diagram.
Accompanying drawing 4 is the structural representations got under bolt device deployed condition.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention provided by the invention is elaborated.
The Reference numeral related in accompanying drawing and ingredient as follows:
1. handle 11. knob
12. regulate seal wire 13. extenal fixation sheath
Bolt device got by 14. holders 15.
16. head ends develop 17. blood vessels
18. rules
Embodiment 1
Please refer to Fig. 1, Fig. 1 is that a kind of controllable intracranial vessel of the present invention gets pin device withdrawal structural representation.A kind of controllable intracranial vessel gets pin device, described in get pin device and be provided with and regulate seal wire 12, get bolt device 15, extenal fixation sheath 13; Described bolt device 15 one end of getting is fixedly connected with by holder 14 with extenal fixation sheath 13; Described bolt device 15 other end and the head end got is developed and 16 to be fixedly connected with by holder 14; Described head end development 16 is also fixedly connected with and regulates seal wire 12; Described adjustment seal wire 12 runs through extenal fixation sheath 13 and gets bolt device 15; Described extenal fixation sheath 13 is hollow structure; Described adjustment seal wire 12 is fixedly connected with handle 1; Described handle 1 is provided with rule 18; Described handle 1 is provided with knob 11, is positioned at handle 1 front end.
Please refer to Fig. 2, Fig. 2 gets structural representation under bolt device retracted state.Described get bolt device 15 by have shape memory effect metal wire material or there is elastomeric macromolecule silk material be woven into netted; Described get bolt device 15 two ends draw in be fixed on a bit; Described bolt device 15 two ends of getting are in " funnel " shape.
Please refer to Fig. 3, Fig. 3 is that a kind of controllable intracranial vessel of the present invention gets pin device deployed configuration schematic diagram.Describedly get ovalize under bolt device 15 deployed condition, fit with blood vessel 17 inwall.
Please refer to Fig. 4, Fig. 4 is the structural representation got under bolt device deployed condition.Described radial diameter of getting under bolt device 15 deployed condition is greater than the radial diameter under retracted state; The described lateral length got under bolt device 15 deployed condition is less than the lateral length under retracted state; Described bolt device 15 of getting is provided with twine, and part twine scribbles developing agent.
It should be noted that: described rule 18 and knob 11 with the use of, can the length of accurate regulating and controlling seal wire 12, accurately can control the position of getting bolt device 15 by the length of regulating and controlling seal wire 12; Described extenal fixation sheath 13 far-end with get bolt device 15 and be fixedly connected with, near-end is connected with handle 1; Described extenal fixation sheath 13 has the effect of position that guiding regulates seal wire 12 and fixedly gets bolt device 15, and when bolt device 15 is got in needs withdrawal, rotary knob 11, promotes adjustment seal wire 12; Described holder 14 selects metal material usually, also can adopt macromolecular material or other material manufacture; Described holder 14 accesses bolt device 15 and extenal fixation sheath 13 for being fixedly connected, be fixedly connected with head end development 16 simultaneously and get bolt device 15; The position of bolt device 15 is got in described head end development 16 for locating instruction; The described metal gauze getting bolt device scribbles developing agent, under x-ray, can judge to get the relation of bolt device 15 when expanded position and between blood vessel 17 inwall, bolt device 15 diameter is got in display directly perceived.
Get bolt device 15 when expanded position, ovalize or cylindrical, its mesh woven by metal wire material is tetragon; The described tinsel getting bolt device 15 two ends draws in and is fixed in holder 14 together with adjustment seal wire 12, gets bolt device 15 diameter and radial support power size by regulating seal wire 12 scalable.At expanded position, wire netting launches to form hollow three-dimensional structure, get bolt device 15 can between punctured position and expanded position free adjustment, patient can regulate according to the actual needs such as art medium vessels 17 diameter and thrombosis composition get bolt device 15 diameter and radial support power size, and gets pin device when getting bolt failure and be adjustable to punctured position thus safety is withdrawn from.
Controllable intracranial vessel of the present invention gets pin device using method: first connect and wholely get pin device, operation consent, and driven forward regulates seal wire 12, get bolt device 15 under the promotion regulating seal wire 12, radial direction diminishes, axially elongated, until the radial dimension getting bolt device 15 is less than blood vessel 17 diameter; Then according to blood vessel 17 lesion locations, hold handle 1, in conjunction with head end development 16, accurately conveying is got bolt device 15 and is arrived lesion locations; Knob 11 on regulating handle 1, makes to regulate seal wire 12 toward post-tensioning, and make to get bolt device 15 axial dimension simultaneously and shorten, radial dimension becomes large.When getting bolt device 15 radial direction and blood vessel 17 inwall is fitted, stopping expansion getting bolt device 15, after certain hour, the thrombosis of diseased region in blood vessel being entered and gets in bolt device 15; Finally hold handle pull-out and wholely get pin device, regulate by handle in this process and get bolt device radial direction and make it adaptation different tube diameters blood vessel, to reduce thrombus breaks loose.
A kind of controllable intracranial vessel of the present invention gets pin device, strong operability, is not easily shifted, and accuracy controlling can get the position of bolt device 15, directly control to get bolt device 15 diameter, thrombosis is caught fully, and is not easy to come off; This gets pin device not only can fixedly secure thrombosis, and gets bolt device 15 compared to traditional self-inflated and have more controllability and safety.Employing is got between bolt device 15 with extenal fixation sheath 13 and is fixedly connected with, and prevents getting bolt device 15 and shakes; By knob 11 and rule 18 regulating and controlling seal wire 12, thus control to get the position of bolt device 15 and expanded position and retrieving position, control accurately, error is little.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the inventive method; can also make some improvement and supplement, these improve and supplement and also should be considered as protection scope of the present invention.
Claims (5)
1. controllable intracranial vessel gets a pin device, it is characterized in that, described in get pin device be provided with regulate seal wire, get bolt device, extenal fixation sheath; Described bolt device one end of getting is fixedly connected with by holder with extenal fixation sheath; The described bolt device other end of getting is developed with head end and is fixedly connected with by holder; Described head end development is also fixedly connected with adjustment seal wire; Described adjustment seal wire runs through extenal fixation sheath and gets bolt device; Described extenal fixation sheath is hollow structure; Described adjustment seal wire is fixedly connected with handle; Described handle is provided with rule; Described handle is provided with knob, is positioned at handle front end.
2. according to claim 1ly get pin device, it is characterized in that, described get bolt device by have shape memory effect metal wire material or there is elastomeric macromolecule silk material be woven into netted.
3. according to claim 1ly get pin device, it is characterized in that, described in get bolt device two ends and draw in and be fixed on a bit, described in get bolt device two ends in " funnel " shape.
4. according to claim 1ly get pin device, it is characterized in that, described in get ovalize under bolt device deployed condition, fit with blood vessel.
5. according to claim 1ly get pin device, it is characterized in that, described bolt device of getting is provided with twine, and part twine scribbles developing agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410717947.4A CN104434263A (en) | 2014-12-01 | 2014-12-01 | Regulating intracranial intravascular thrombus extraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410717947.4A CN104434263A (en) | 2014-12-01 | 2014-12-01 | Regulating intracranial intravascular thrombus extraction device |
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| Publication Number | Publication Date |
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| CN104434263A true CN104434263A (en) | 2015-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410717947.4A Pending CN104434263A (en) | 2014-12-01 | 2014-12-01 | Regulating intracranial intravascular thrombus extraction device |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104771200A (en) * | 2015-04-15 | 2015-07-15 | 中国人民解放军第二军医大学 | Intracranial aneurysm neck reconstruction device |
| CN104840235A (en) * | 2015-06-02 | 2015-08-19 | 湖南瑞康通科技发展有限公司 | Thrombectomy system and controllable thrombectomy apparatus thereof |
| CN105662534A (en) * | 2016-01-06 | 2016-06-15 | 赵烜 | Blood vessel thrombus-taking device with spine-shaped structures and thrombus therapeutic instrument thereof |
| CN106725723A (en) * | 2016-12-14 | 2017-05-31 | 苏州斯恩维医疗科技有限公司 | One kind takes bolt mounting system |
| CN107536632A (en) * | 2017-08-28 | 2018-01-05 | 王沛 | Multi-functional broken bolt takes pin device |
| CN107928747A (en) * | 2017-12-29 | 2018-04-20 | 科睿驰（深圳）医疗科技发展有限公司 | A kind of thrombus withdrawing device |
| CN108143464A (en) * | 2018-01-19 | 2018-06-12 | 上海唯域医疗科技有限公司 | It takes bolt conduit and takes bolt device for take bolt conduit |
| CN109718458A (en) * | 2018-09-30 | 2019-05-07 | 上海长海医院 | A kind of seal wire and wire catheter system |
| CN110801266A (en) * | 2019-08-13 | 2020-02-18 | 赵士春 | Blood vessel dredging device and blood vessel dredging cleaner |
| CN111265278A (en) * | 2018-12-04 | 2020-06-12 | 先健科技(深圳)有限公司 | Thrombus taking device and thrombus taking system |
| CN111281487A (en) * | 2020-03-19 | 2020-06-16 | 南京普微森医疗科技有限公司 | Cerebral nerve and blood vessel thrombus removing device |
| CN112294394A (en) * | 2019-07-24 | 2021-02-02 | 西安交通大学医学院第一附属医院 | Adjustable peripheral blood vessel thrombus taking support assembly |
| CN113662703A (en) * | 2015-12-29 | 2021-11-19 | 艾姆伯莱恩公司 | Multi-access intraoperative embolism protection device |
| CN113693676A (en) * | 2021-08-24 | 2021-11-26 | 北京泰杰伟业科技有限公司 | Adjustable bolt taking device |
| CN113855159A (en) * | 2021-09-29 | 2021-12-31 | 北京泰杰伟业科技有限公司 | Combined type regulation and control bolt taking device |
| CN114098906A (en) * | 2021-11-26 | 2022-03-01 | 上海玮琅医疗科技有限公司 | A get and tie bracket component that is used for thrombus to clear away and catches thrombus that breaks |
| CN114391920A (en) * | 2022-01-07 | 2022-04-26 | 无锡天广泰医疗科技有限公司 | Thrombolytic stent catheter system and application method thereof |
| CN115634004A (en) * | 2022-12-26 | 2023-01-24 | 北京久事神康医疗科技有限公司 | Tumor internal filling device |
| WO2023098584A1 (en) * | 2021-11-30 | 2023-06-08 | 上海博畅医疗科技有限公司 | Thrombus removal device |
| CN116784943A (en) * | 2023-08-18 | 2023-09-22 | 浙江归创医疗科技有限公司 | Thrombus removal system |
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Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104771200A (en) * | 2015-04-15 | 2015-07-15 | 中国人民解放军第二军医大学 | Intracranial aneurysm neck reconstruction device |
| CN104771200B (en) * | 2015-04-15 | 2017-05-24 | 中国人民解放军第二军医大学 | Intracranial aneurysm neck reconstruction device |
| CN104840235A (en) * | 2015-06-02 | 2015-08-19 | 湖南瑞康通科技发展有限公司 | Thrombectomy system and controllable thrombectomy apparatus thereof |
| CN113662703A (en) * | 2015-12-29 | 2021-11-19 | 艾姆伯莱恩公司 | Multi-access intraoperative embolism protection device |
| CN105662534A (en) * | 2016-01-06 | 2016-06-15 | 赵烜 | Blood vessel thrombus-taking device with spine-shaped structures and thrombus therapeutic instrument thereof |
| CN106725723A (en) * | 2016-12-14 | 2017-05-31 | 苏州斯恩维医疗科技有限公司 | One kind takes bolt mounting system |
| CN107536632A (en) * | 2017-08-28 | 2018-01-05 | 王沛 | Multi-functional broken bolt takes pin device |
| CN107928747A (en) * | 2017-12-29 | 2018-04-20 | 科睿驰（深圳）医疗科技发展有限公司 | A kind of thrombus withdrawing device |
| CN108143464A (en) * | 2018-01-19 | 2018-06-12 | 上海唯域医疗科技有限公司 | It takes bolt conduit and takes bolt device for take bolt conduit |
| CN109718458A (en) * | 2018-09-30 | 2019-05-07 | 上海长海医院 | A kind of seal wire and wire catheter system |
| CN109718458B (en) * | 2018-09-30 | 2023-09-08 | 上海长海医院 | Guide wire and guide wire catheter system |
| CN111265278A (en) * | 2018-12-04 | 2020-06-12 | 先健科技(深圳)有限公司 | Thrombus taking device and thrombus taking system |
| CN112294394A (en) * | 2019-07-24 | 2021-02-02 | 西安交通大学医学院第一附属医院 | Adjustable peripheral blood vessel thrombus taking support assembly |
| CN110801266A (en) * | 2019-08-13 | 2020-02-18 | 赵士春 | Blood vessel dredging device and blood vessel dredging cleaner |
| CN111281487A (en) * | 2020-03-19 | 2020-06-16 | 南京普微森医疗科技有限公司 | Cerebral nerve and blood vessel thrombus removing device |
| CN111281487B (en) * | 2020-03-19 | 2022-09-30 | 南京普微森医疗科技有限公司 | Cerebral nerve and blood vessel thrombus removing device |
| CN113693676A (en) * | 2021-08-24 | 2021-11-26 | 北京泰杰伟业科技有限公司 | Adjustable bolt taking device |
| WO2023024257A1 (en) * | 2021-08-24 | 2023-03-02 | 北京泰杰伟业科技有限公司 | Adjustable thrombectomy apparatus |
| CN113855159A (en) * | 2021-09-29 | 2021-12-31 | 北京泰杰伟业科技有限公司 | Combined type regulation and control bolt taking device |
| CN113855159B (en) * | 2021-09-29 | 2024-04-09 | 北京泰杰伟业科技股份有限公司 | Combined type regulation and control thrombus taking device |
| WO2023050521A1 (en) * | 2021-09-29 | 2023-04-06 | 北京泰杰伟业科技有限公司 | Combined control thrombectomy device |
| CN114098906A (en) * | 2021-11-26 | 2022-03-01 | 上海玮琅医疗科技有限公司 | A get and tie bracket component that is used for thrombus to clear away and catches thrombus that breaks |
| WO2023098584A1 (en) * | 2021-11-30 | 2023-06-08 | 上海博畅医疗科技有限公司 | Thrombus removal device |
| CN114391920A (en) * | 2022-01-07 | 2022-04-26 | 无锡天广泰医疗科技有限公司 | Thrombolytic stent catheter system and application method thereof |
| CN115634004A (en) * | 2022-12-26 | 2023-01-24 | 北京久事神康医疗科技有限公司 | Tumor internal filling device |
| CN116784943A (en) * | 2023-08-18 | 2023-09-22 | 浙江归创医疗科技有限公司 | Thrombus removal system |
| CN116784943B (en) * | 2023-08-18 | 2023-11-14 | 浙江归创医疗科技有限公司 | thrombus removal system |
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Application publication date: 20150325 |