CN107233122A - A kind of polydisc takes bolt device and its conveying device, carrying method - Google Patents
A kind of polydisc takes bolt device and its conveying device, carrying method Download PDFInfo
- Publication number
- CN107233122A CN107233122A CN201710317178.2A CN201710317178A CN107233122A CN 107233122 A CN107233122 A CN 107233122A CN 201710317178 A CN201710317178 A CN 201710317178A CN 107233122 A CN107233122 A CN 107233122A
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- China
- Prior art keywords
- polydisc
- bolt device
- takes
- niti
- card
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- Pending
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- 238000000034 method Methods 0.000 title claims abstract description 7
- 208000007536 Thrombosis Diseases 0.000 claims abstract description 44
- 229910001000 nickel titanium Inorganic materials 0.000 claims abstract description 35
- 239000008280 blood Substances 0.000 claims description 6
- 210000004369 blood Anatomy 0.000 claims description 6
- 241000463219 Epitheca Species 0.000 claims 1
- 230000002792 vascular Effects 0.000 abstract description 7
- 230000006378 damage Effects 0.000 abstract description 6
- 208000005189 Embolism Diseases 0.000 description 11
- 230000002537 thrombolytic effect Effects 0.000 description 7
- 210000004204 blood vessel Anatomy 0.000 description 6
- 208000001435 Thromboembolism Diseases 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- 229920001903 high density polyethylene Polymers 0.000 description 4
- 239000004700 high-density polyethylene Substances 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 229920002521 macromolecule Polymers 0.000 description 3
- 206010008190 Cerebrovascular accident Diseases 0.000 description 2
- 239000004425 Makrolon Substances 0.000 description 2
- 229920002614 Polyether block amide Polymers 0.000 description 2
- 208000010378 Pulmonary Embolism Diseases 0.000 description 2
- 208000006011 Stroke Diseases 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 2
- 230000002490 cerebral effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003902 lesion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 208000010125 myocardial infarction Diseases 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 239000003146 anticoagulant agent Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 210000004351 coronary vessel Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000002216 heart Anatomy 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 230000000302 ischemic effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 208000021090 palsy Diseases 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000000250 revascularization Effects 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 229960000103 thrombolytic agent Drugs 0.000 description 1
- 230000000451 tissue damage Effects 0.000 description 1
- 231100000827 tissue damage Toxicity 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, 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
- A61B2017/22001—Angioplasty, e.g. PCTA
-
- 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
- A61B2017/2215—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions having an open distal end
Landscapes
- 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
Bolt device, including NiTi host's body and tapered cap, the top connection tapered cap of NiTi host's body are taken the invention provides a kind of polydisc；NiTi host's body includes connecting by waist between at least three cards, adjacent card, and card top foremost connects the tapered cap；The turn for being used for connecting the tapered cap and conveying device is provided with inside the waist.Present invention also offers the conveying device and carrying method that polydisc takes bolt device, conveying device includes outer sheath, the push rod for controlling interior sheath, the card tail end of rearmost end for taking bolt device with the polydisc that the polydisc takes NiTi host's body of bolt device to discharge and shrink to be connected, interior sheath is with being located on the outside of push rod, and outer sheath is same to be located on the outside of interior sheath.The polydisc that the present invention is provided takes bolt device to avoid coming off for thrombus patch, thoroughly takes out thrombus, noresidue, and greatly reduces the damage to vascular wall, with good safety and reliability.
Description
Technical field
The present invention relates to the provisional three classes interventional medical device of one kind, more particularly to a kind of with many dish structures
Catching type takes bolt device.
Background technology
Blood thrombus can form embolism in patient's vascular system.Sometimes, these embolisms are dissolved in by safe and harmless
In blood.But, in other times, these embolisms may be stopped in the blood vessel, partially or even wholly block blood vessel, prevent blood
The flowing of liquid.If embolism position occurs in sensitive organization, for example：Brain, lung or heart coronary artery blood vessel etc., may result in serious
Tissue damage, for example：Cerebral apoplexy, pulmonary embolism, myocardial infarction etc..
Intravascular Thrombus is common disease and frequently-occurring disease clinically, blood vessel lead to again be treatment acute ischemic cerebral apoplexy,
The key of pulmonary embolism, myocardial infarction etc..The treatment method of current Intravascular Thrombus mainly has two kinds：Medicine thrombolysis and machinery take
Bolt.
Medicine thromboembolism treatment is thrombolytics to be injected near the endovascular focus where lesion, local instantaneously in focus
Very high thrombolysis agent concentration is formed, accelerates thrombolysis speed, and then increase the chance of revascularization.But, according to state of the U.S.
Vertical sacred disease and the result of study of palsy research institute (NINDS), intravenous thrombolysis should be carried out in 3 hours in morbidity, Arterial thrombolysis
Time window is within 6 hours.Because medicine thrombolytic treatment time window is shorter, and thromboembolism treatment is only applicable to the blood of small volume
Bolt, its therapeutic effect to large volume thromboembolism is unsatisfactory, thus it is final only about 3%~5% patient be adapted to do
Medicine thromboembolism treatment.
Machinery takes bolt to be that bolt device will be taken to be delivered to lesion locations, is then taken out thrombus to external by sheath.Machinery takes
Bolt includes following several method：Seizure takes bolt, suction to take bolt, rotary-cut to take bolt etc..Seizure takes bolt, and when taking massive, effect is most
It is good, but easily cause the patch on vascular wall and broken thrombi come off after flow to distal vessels and cause new embolism, one
Denier blocks important branch vessel, it will cause serious malpractice, and often exist when taking bolt take bolt not thoroughly,
The problem of having residual, it is easy to cause the formation of secondary acute thrombus.Suction takes bolt effect when taking fritter embolus preferably, taking
Need to smash to pieces repeatedly after thrombus and aspirate again to prevent from blocking suction tube during massive, cumbersome and be easy to damage blood
Pipe.The damage that rotary-cut takes bolt to cause vascular wall is larger, it is easy to cause complication.
Therefore, when machinery takes bolt, coming off for thrombus patch how is avoided, thoroughly thrombus is taken out, noresidue, and drop
The low damage to vascular wall, is those skilled in the art's problem urgently to be resolved hurrily.
The content of the invention
The technical problem to be solved in the present invention is how to avoid coming off for thrombus patch, is thoroughly taken out thrombus, without residual
Stay, and damage of the reduction to vascular wall.
In order to solve the above-mentioned technical problem, the technical scheme is that providing a kind of polydisc takes bolt device, it is characterised in that：
Including NiTi host's body and tapered cap, the top connection tapered cap of NiTi host's body；
NiTi host's body includes connecting by waist between at least three cards, adjacent card, card foremost
Top connects the tapered cap；
The turn for being used for connecting the tapered cap and conveying device is provided with inside the waist.
Preferably, the card and waist are molded by NiTi integrated wovens.
Preferably, the size of the multiple card can be with identical, can also be different, the radius of such as card, two ends can
With more than centre；
Preferably, the thickness of shown multiple cards can be with identical, can also be different, the thickness of such as card, two ends can
With thicker than middle, or two ends can be thinner than middle.
Preferably, the taper cap surface is smooth structure.
Preferably, when all cards are opened, turn is in NiTi host's body in after nature, with release
NiTi host's body keeps identical length.
Preferably, when all cards are taken in conveying device, turn is in stretching shape in NiTi host's body, with stretching
Long NiTi host's body keeps identical length.
Preferably, the tapered cap, the inner core of turn are provided with and can allow for the freely through through hole of seal wire.
Present invention also offers the conveying device that a kind of above-mentioned polydisc takes bolt device, it is characterised in that：Including outer sheath, it is used for
Interior sheath, the rearmost end for taking bolt device with the polydisc for controlling the polydisc to take NiTi host's body of bolt device to discharge and shrink
The connection of card tail end push rod, interior sheath is with being located on the outside of push rod, and outer sheath is with being located on the outside of interior sheath.
Preferably, the turn connects the tapered cap and the push rod.
Preferably, the inner core of the push rod is provided with and can allow for the freely through through hole of seal wire.
Present invention also offers the carrying method that a kind of above-mentioned polydisc takes bolt device, it is characterised in that：The polydisc takes bolt device
Conveyed by above-mentioned conveying device, seal wire reaches specified location through the through hole in push rod, turn, tapered cap, seal wire
Afterwards, thrombus is initially passed through, then outer sheath and expansion pipe ride seal wire and reach thrombus edge, withdraws from expansion pipe, feeding polydisc takes bolt device,
Now, polydisc takes bolt device to be received in interior sheath；Polydisc takes bolt device to ride seal wire and passed through after thrombus, exits interior sheath, polydisc is taken bolt
The card of device discharges one by one；Wherein, first card is released to the front end of thrombus, and last card is released to the end of thrombus
End, middle card is released to the central of thrombus, thrombus is gradually attached in card；Then interior sheath and push rod are withdrawn,
Each card is set to be recovered into outer sheath release one by one together with thrombus attached thereto, it is ensured that polydisc takes the card at bolt device two ends to distinguish
Positioned at the edge of thrombus.
The polydisc that the present invention is provided takes bolt device to overcome the deficiencies in the prior art, can avoid coming off for thrombus patch, thorough
Bottom thrombus is taken out, noresidue, and greatly reduce the damage to vascular wall, with good safety and reliability.
Brief description of the drawings
Fig. 1 takes the side view after the release completely of bolt device for the polydisc that the present embodiment is provided；
Fig. 2 takes the top view after the release completely of bolt device for the polydisc that the present embodiment is provided；
Fig. 3 takes view during sheath in bolt device income for the polydisc that the present embodiment is provided；
Fig. 4 takes bolt device to pass through thrombus schematic diagram for the polydisc that the present embodiment is provided；
Fig. 5 takes bolt device to withdraw from interior sheath through thrombus to discharge schematic diagram completely for the polydisc that the present embodiment is provided；
Fig. 6 takes bolt device to catch and catches thrombus and progressively take in outer sheath schematic diagram for the polydisc that the present embodiment is provided；
Fig. 7 takes bolt device to catch thrombus and takes in outer sheath schematic diagram completely for the polydisc that the present embodiment is provided.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention
Rather than limitation the scope of the present invention.In addition, it is to be understood that after the content of the invention lectured has been read, people in the art
Member can make various changes or modifications to the present invention, and these equivalent form of values equally fall within the application appended claims and limited
Scope.
Fig. 1 takes bolt device structural representation for the polydisc that the present embodiment is provided, and described polydisc takes bolt device to include NiTi host
Body and tapered cap 1, the top of NiTi host's body are ligatured by tapered cap 1.
NiTi host's body includes at least three cards 2, is connected between card and card by thinner waist 3, foremost
The top of card 2 connection tapered cap 1, the inside of waist 3 is equipped with the turn 4 for being used for connecting tapered cap 1 and conveying device.
Card 2 and waist 3 are molded by NiTi integrated wovens.
Tapered cap 1 is non-degradable macromolecule material, and surface is smooth, it is easy to shuttle in the blood vessel, drill-through thromboembolism.
The high polymer material can be：Polytetrafluoroethylene (PTFE), makrolon, ABS, polyethylene, high density polyethylene (HDPE), pebax,
PVC, TPU, FEP etc..
Polydisc takes the conveying device of bolt device to include push rod 5, interior sheath 6 and outer sheath 7, and interior sheath 6 is same to be located in push
The outside of bar 5, outer sheath 7 is same to be located in the interior outside of sheath 6.
Push rod 5 is made up of macromolecule tubing.The macromolecule material can be：It is polytetrafluoroethylene (PTFE), makrolon, ABS, poly-
Ethene, high density polyethylene (HDPE), pebax, PVC, TPU, FEP etc..
Polydisc takes the tail end of the card 2 of the rearmost end of bolt device to be connected with push rod 5, and is ligatured by it.
The inside netted in NiTi, connection tapered cap 1 and push rod 5 are a turns 4.The linear type of turn 4,
With certain axial motive force, when by sheath, do not give a discount, do not accumulate, do not bend, will not also be bored from NiTi nets
Go out.The turn 4 also has certain pliability and adaptability, in the blood vessels, can be bent according to the specific trend of blood vessel
Certain angle, and the direction of front and rear bending and angle can be with inconsistent.In addition, the turn 4 is being taken in bolt device, also with compared with
Strong retractility, when the multiple cards 2 for taking bolt device are opened, turn 4 is in card 2 in after nature, with release
NiTi nets keep identical length；When the multiple cards 2 for taking bolt device are taken in sheath, turn is in NiTi nets in stretching
Shape, keeps the NiTi net identical length with elongation.
With reference to Fig. 2, there is one in the inner core of tapered cap 1, turn 4, push rod 5 to can allow for seal wire freely through logical
Hole 1a.
Within outer sheath 7, outside tapered cap 1, turn 4, push rod 5, there is a special control NiTi net to take bolt device
Release and the interior sheath 6 shunk.
This takes bolt device to be conveyed by sheath, and seal wire is reached after specified location, initially passes through thrombus, then outer sheath 7 and expansion
Pipe rides seal wire and reaches thrombus edge, withdraws from expansion pipe, and feeding takes bolt device.Now, bolt device is taken to be received in interior sheath 6.Bolt device is taken to ride
Seal wire is passed through after thrombus, is slowly exited interior sheath 6, is made to take the NiTi Dropbox face of bolt device to discharge one by one.Wherein, first card is released
The front end of thrombus is put in, last card is released to the end of thrombus, middle multiple cards are released to the central of thrombus, made
Thrombus is gradually attached on NiTi Dropbox face.As seen in figures 3-5.
Then interior sheath 6 and push rod 5 are slowly withdrawn, makes to take multiple cards of bolt device together with being attached on NiTi Dropbox face
Thrombus be recovered into outer sheath 7 one by one and discharge, it is ensured that take the card at bolt device two ends to be located at the edge of thrombus, such as Fig. 6 and Fig. 7 respectively
It is shown.
Claims (10)
1. a kind of polydisc takes bolt device, it is characterised in that：Including NiTi host's body and tapered cap (1), the top of NiTi host's body connects
Connect tapered cap (1)；
NiTi host's body includes at least three cards (2), is connected by waist (3) between adjacent card (2), foremost
Card (2) top connects the tapered cap (1)；
The turn (4) for being used for connecting the tapered cap (1) and conveying device is provided with inside the waist (3).
2. a kind of polydisc as claimed in claim 1 takes bolt device, it is characterised in that：The card (2) and waist (3) are by NiTi
Integrated woven is molded.
3. a kind of polydisc as claimed in claim 1 takes bolt device, it is characterised in that：Tapered cap (1) surface is smooth structure.
4. a kind of polydisc as claimed in claim 1 takes bolt device, it is characterised in that：When all cards (2) are opened, turn
(4) identical length is kept in NiTi host's body after nature, with release in NiTi host's body.
5. a kind of polydisc as described in claim 1 or 4 takes bolt device, it is characterised in that：When all cards (2) take in conveying dress
When putting middle, turn (4), in stretching shape, identical length is kept with NiTi host's body of elongation in NiTi host's body.
6. a kind of polydisc as claimed in claim 1 takes bolt device, it is characterised in that：The tapered cap (1), turn (4) it is interior
Core is provided with and can allow for the freely through through hole of seal wire (1a).
7. a kind of polydisc as described in any one of claim 1~6 takes the conveying device of bolt device, it is characterised in that：Including epitheca
Pipe (7), for control the polydisc take bolt device NiTi host's body discharge and shrink interior sheath (6), for the polydisc
The push rod (5) for taking card (2) tail end of the rearmost end of bolt device to connect, interior sheath (6) is with being located on the outside of push rod (5), outside
Sheath (7) is same to be located on the outside of interior sheath (6).
8. polydisc as claimed in claim 7 takes the conveying device of bolt device, it is characterised in that：Turn (4) connection is described
Tapered cap (1) and the push rod (5).
9. polydisc as claimed in claim 7 takes the conveying device of bolt device, it is characterised in that：The inner core of the push rod (5) is set
It can allow for the freely through through hole of seal wire.
10. a kind of polydisc as described in any one of claim 1~6 takes the carrying method of bolt device, it is characterised in that：The polydisc
Take bolt device to be conveyed by conveying device as described in any one of claim 7~9, seal wire through push rod (5), turn (4),
Through hole in tapered cap (1), seal wire is reached after specified location, initially passes through thrombus, and then outer sheath (7) and expansion pipe are ridden seal wire and arrived
Up to thrombus edge, expansion pipe is withdrawn from, feeding polydisc takes bolt device, and now, polydisc takes bolt device to be received in interior sheath (6)；Polydisc takes bolt
Device is ridden seal wire and passed through after thrombus, exits interior sheath (6), makes polydisc take the card (2) of bolt device to discharge one by one；Wherein, first disk
Face (2) is released to the front end of thrombus, and last card (2) is released to the end of thrombus, and middle card (2) is released to thrombus
It is central, thrombus is gradually attached in card (2)；Then interior sheath (6) and push rod (5) are withdrawn, make each card (2) together with
Thrombus attached thereto is recovered into outer sheath (7) release one by one, it is ensured that polydisc takes the card (2) at bolt device two ends to be located at blood respectively
The edge of bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710317178.2A CN107233122A (en) | 2017-05-08 | 2017-05-08 | A kind of polydisc takes bolt device and its conveying device, carrying method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710317178.2A CN107233122A (en) | 2017-05-08 | 2017-05-08 | A kind of polydisc takes bolt device and its conveying device, carrying method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107233122A true CN107233122A (en) | 2017-10-10 |
Family
ID=59985828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710317178.2A Pending CN107233122A (en) | 2017-05-08 | 2017-05-08 | A kind of polydisc takes bolt device and its conveying device, carrying method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107233122A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009326A (en) * | 2018-08-27 | 2018-12-18 | 恩脉（上海）医疗科技有限公司 | One kind taking bolt device system |
| CN109350181A (en) * | 2018-11-21 | 2019-02-19 | 中国医科大学 | A kind of taking thrombus device |
| CN109480958A (en) * | 2018-12-03 | 2019-03-19 | 魏铭 | It is a kind of to prevent that the flexible multi-pipe-diameter excessively cut takes bolt device |
| CN109875642A (en) * | 2019-03-11 | 2019-06-14 | 恩脉（上海）医疗科技有限公司 | One kind taking pin 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 |
| CN112890915A (en) * | 2020-12-30 | 2021-06-04 | 上海融脉医疗科技有限公司 | Intravascular multi-segment embolectomy support and conveying device thereof |
| CN113229884A (en) * | 2021-04-25 | 2021-08-10 | 启晨(上海)医疗器械有限公司 | Thrombus removing device and using method thereof |
| CN113633446A (en) * | 2021-07-09 | 2021-11-12 | 上海玮琅医疗科技有限公司 | Thrombus-taking bracket catheter |
| CN114469256A (en) * | 2022-01-28 | 2022-05-13 | 上海玮琅医疗科技有限公司 | Thrombus capturing covered stent and manufacturing process thereof |
| CN114948088A (en) * | 2022-04-27 | 2022-08-30 | 晨兴(南通)医疗器械有限公司 | Pulmonary artery embolectomy system |
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| WO2001097697A1 (en) * | 2000-06-22 | 2001-12-27 | White Geoffrey H | Method and apparatus for performing percutaneous thromboembolectomies |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009326A (en) * | 2018-08-27 | 2018-12-18 | 恩脉（上海）医疗科技有限公司 | One kind taking bolt device system |
| CN109350181A (en) * | 2018-11-21 | 2019-02-19 | 中国医科大学 | A kind of taking thrombus device |
| CN109480958A (en) * | 2018-12-03 | 2019-03-19 | 魏铭 | It is a kind of to prevent that the flexible multi-pipe-diameter excessively cut takes bolt device |
| CN109480958B (en) * | 2018-12-03 | 2023-12-01 | 魏铭 | Multi-adaptability multi-tube-diameter thrombus taking device capable of preventing excessive cutting |
| CN109875642A (en) * | 2019-03-11 | 2019-06-14 | 恩脉（上海）医疗科技有限公司 | One kind taking pin 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 |
| CN112890915A (en) * | 2020-12-30 | 2021-06-04 | 上海融脉医疗科技有限公司 | Intravascular multi-segment embolectomy support and conveying device thereof |
| CN113229884A (en) * | 2021-04-25 | 2021-08-10 | 启晨(上海)医疗器械有限公司 | Thrombus removing device and using method thereof |
| CN113633446A (en) * | 2021-07-09 | 2021-11-12 | 上海玮琅医疗科技有限公司 | Thrombus-taking bracket catheter |
| CN114469256A (en) * | 2022-01-28 | 2022-05-13 | 上海玮琅医疗科技有限公司 | Thrombus capturing covered stent and manufacturing process thereof |
| CN114948088A (en) * | 2022-04-27 | 2022-08-30 | 晨兴(南通)医疗器械有限公司 | Pulmonary artery embolectomy system |
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