CN108309398A - Take pin device - Google Patents
Take pin device Download PDFInfo
- Publication number
- CN108309398A CN108309398A CN201810118563.9A CN201810118563A CN108309398A CN 108309398 A CN108309398 A CN 108309398A CN 201810118563 A CN201810118563 A CN 201810118563A CN 108309398 A CN108309398 A CN 108309398A
- Authority
- CN
- China
- Prior art keywords
- bolt holder
- takes
- fixed handle
- seal wire
- conduit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/22—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B2017/00743—Type of operation; Specification of treatment sites
- A61B2017/00778—Operations on blood vessels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/22—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22038—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; 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
- A61B17/22—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22094—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for for crossing total occlusions, i.e. piercing
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
The present invention proposes that one kind taking pin device, bolt holder is taken including first, include delivery conduit and tenses seal wire, the end of the delivery conduit takes the proximal end of bolt holder to be fixedly connected with described first, to drive described first bolt holder is taken to move, the delivery conduit is sheathed on the outside for tensing seal wire, and the tension seal wire takes the end of bolt holder to stretch out the conduit and take the distal end of bolt holder to be fixedly connected with described first close to described first.The present invention can realize effective adjusting of support force.
Description
Technical field
The invention belongs to encephalics, and bolt technical field more particularly to one kind to be taken to take pin device.
Background technology
Currently, taking bolt holder performance requirement to encephalic, it can be summarized as at 4 points：That is transportation performance, support performance capture blood
Bolt performance and pull-out thrombus performance.Industry, which generally believes, preferably takes bolt holder that should have：It is readily delivered, is easy to discharge and prop up
Support is apparent, effectively captures thrombus, pulls out the features such as thrombus process thrombus is not fallen off.
Chinese invention patent CN105476689A discloses one kind and taking bolt holder device, including take bolt holder, delivery guidewire,
It is oriented to seal wire and Marking ring, it is in the reticular structure of sealing two ends that proximal end, which takes bolt holder, distal embolic protection holder, and it is by close to take bolt holder
End takes bolt holder and distal embolic protection holder to form, and distal embolic protection mount proximal end takes bolt rack far end to be fixedly connected with proximal end, distal end
It is fixedly connected with distal marker and guiding seal wire, proximal end takes bolt mount proximal end to be connected with delivery guidewire, and proximal end takes bolt holder
Mesh can make thrombus be embedded into inside, and when thrombus breaks loose during pulling thrombus, the small mesh of distal embolic protection holder is
Thrombus breaks loose can be effectively prevent to solve the technical issues of thrombus breaks loose causes new embolism in intravascular.
However, it is above-mentioned take bolt holder device after taking bolt holder to be discharged from microtubular, take bolt holder by itself
Material and structure determine that it is changeless to the support force of vascular wall, are thus extremely susceptible to and take bolt holder support force
It is excessively high and damage vascular wall, or the phenomenon that take bolt holder support force relatively low and can not thrombus be substantially embedded into.
Invention content
The present invention is directed to existing the technical issues of taking pin device, and proposition is a kind of can to adjust taking for the support force for taking bolt holder
Pin device.
In order to achieve the above object, the technical solution adopted by the present invention is：
One kind taking pin device, including first takes bolt holder, includes delivery conduit and tense seal wire, the end of the delivery conduit
The proximal end of bolt holder is taken to be fixedly connected with described first, to drive described first bolt holder is taken to move, the delivery conduit is arranged
In the outside for tensing seal wire, it is described tense seal wire close to described first take the end of bolt holder stretch out the conduit and with institute
Stating first takes the distal end of bolt holder to be fixedly connected.
Preferably, described first takes the both ends of bolt holder to seal.
Preferably, it further includes second taking bolt holder to take pin device, described second takes bolt holder to take bolt positioned at described first
The side of holder, described second takes the proximal end of bolt holder to take the distal end of bolt holder to be fixedly connected with described first.
Preferably, described second takes the both ends of bolt holder to seal.
Preferably, the delivery conduit takes the end of bolt holder to be fixedly connected with conduit far from described first fixes hand
Handle.
It the conduit fixed handle can be moved back and forth relatively preferably, the side of the conduit fixed handle is provided with
The inside of seal wire fixed handle, the conduit fixed handle offers first through hole, and the tension seal wire takes far from described first
The end of bolt holder passes through the first through hole of the conduit fixed handle and is fixedly connected with the seal wire fixed handle.
Preferably, the seal wire fixed handle is slidably connected with the conduit fixed handle, it is solid with the relatively described conduit
Determine handle reciprocating movement.
Preferably, the conduit fixed handle takes the end of bolt holder to have guide rod, the seal wire far from described first
Fixed handle offers the second through-hole close to the end of the conduit fixed handle, and the seal wire fixed handle passes through the second through-hole
It is socketed on the outside of the guide rod.
Preferably, the tension seal wire takes the end of bolt holder to be fixedly connected with seal wire far from described first fixes hand
Handle.
Compared with prior art, the advantages and positive effects of the present invention are：
The present invention takes pin device by the way that the delivery conduit and the tension seal wire is arranged, and is taking bolt holder when described first
When being moved to lesion locations, one end of bolt holder is taken to take bolt holder to described first from described first using the tension seal wire
Apply thrust so that described first takes bolt holder to be stretched or compressed under the supporting role of the delivery conduit, so that
Described first takes bolt holder that the support force of vascular wall radially is decreased or increased, that is, realizes the adjusting of support force, and then both
It enables to thrombus to be substantially embedded into described first and takes the inside of bolt holder, and the damage to vascular wall can be reduced.In addition, by
It takes the radial dimension of bolt holder adjustable in described first, therefore during taking bolt transporting bracket to described first, passes through
It takes bolt holder to stretch by described first, described first can be reduced and take the resistance of motion of bolt holder, and then improve to described the
One takes the efficiency that bolt holder conveys.
Description of the drawings
Fig. 1 is that the present invention takes a kind of structural schematic diagram of embodiment of pin device；
Fig. 2 takes the state diagram that pin device is taken under bolt stent collapses state in Fig. 1 first；
Fig. 3 is the structural schematic diagram that pin device working condition is taken in Fig. 1；
In above each figure：1, first bolt holder is taken；2, delivery conduit；3, seal wire is tensed；4, second bolt holder is taken；5, conduit
Fixed handle；6, seal wire fixed handle.
Specific implementation mode
In the following, the present invention is specifically described by illustrative embodiment.It should be appreciated, however, that not into one
In the case of step narration, element, structure and features in an embodiment can also be advantageously incorporated into other embodiment
In.
In the description of the present invention, it should be noted that (1) proximal end of the present invention and distal end are people in the art
Position known to member, therefore explained in this portion；(2) orientation of the instructions such as term "inner", "outside", "upper", "lower", "front", "rear"
Or position relationship is position relationship based on ... shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, without referring to
Show or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot manage
Solution is limitation of the present invention；(3) term " first ", " second " are used for description purposes only, and are not understood to indicate or imply
Relative importance.
Referring to Fig. 1 to Fig. 3, one kind taking pin device, including first takes bolt holder 1, delivery conduit 2 and tense seal wire 3, described
First to take bolt holder 1 be netted, and described first to take the structure of bolt holder 1 be well known by persons skilled in the art, therefore is not gone to live in the household of one's in-laws on getting married herein
It states；The end of the delivery conduit 2 takes the proximal end of bolt holder 1 to be fixedly connected with described first, to drive described first to take bolt branch
Frame 1 moves, and the effect of the delivery conduit 2 is to take bolt holder 1 to be delivered to the designated position in intracranial vessel by described first；Institute
It states delivery conduit 2 and is sheathed on the outside for tensing seal wire 3, the end for tensing seal wire 3 and taking bolt holder 1 close to described first
It stretches out the conduit 2 and takes the distal end of bolt holder 1 to be fixedly connected with described first.
Based on above-mentioned, the present invention takes pin device by the way that the delivery conduit 2 and the tensions seal wire 3 is arranged, described in
First when taking bolt holder 1 to be moved to lesion locations, takes one end of bolt holder 1 to institute from described first using the tension seal wire 3
State the first application thrust for taking bolt holder 1 so that described first takes the quilt under the supporting role of the delivery conduit 2 of bolt holder 1
It stretches or compresses, so that described first takes bolt holder 1 that the support force of vascular wall radially is decreased or increased, that is, realize
The adjusting of support force, and then can either make thrombus is substantially embedded into described first to take the inside of bolt holder 1, and can reduce pair
The damage of vascular wall.Further, since described first takes the radial dimension of bolt holder 1 adjustable, therefore bolt is being taken to described first
During holder 1 transports, by taking bolt holder 1 to stretch by described first, the described first movement for taking bolt holder 1 can be reduced
Resistance, and then improve and take the efficiency that bolt holder 1 conveys to described first.
Preferably, the delivery conduit 2 is steel pipe, the tension seal wire 3 is steel wire.
In the embodiment shown in fig. 1, described first 1 both ends of bolt holder is taken to seal, institute is being embedded in when thrombus with this
When stating the inside that first takes bolt holder 1, described first takes bolt holder 1 steadily thrombus can be driven to move, to reduce blood
Bolt takes the possibility to fall off in bolt holder 1 from described first, and then avoids and cause new embolism because of thrombus breaks loose.
In order to improve the control efficiency for taking 1 stretching motion of bolt holder to described first, in Fig. 1 and embodiment shown in Fig. 2
In, the tension seal wire 3 takes the end of bolt holder 1 to be fixedly connected with seal wire fixed handle 6 far from described first, with this by pushing away
It draws the seal wire fixed handle 6 easily to realize the adjusting to the shift position for tensing seal wire 3, and then improves to described
First takes the control efficiency of 1 stretching motion of bolt holder.
With further reference to Fig. 1 and Fig. 2, it further includes conduit fixed handle 5 to take pin device, the conduit fixed handle 5 and institute
State delivery conduit 2 takes the end of bolt holder 1 to be fixedly connected far from described first, and the conduit fixed handle 5 is connected to described lead
The side of silk fixed handle 6 is moved back and forth with the direction of motion relative to the conduit fixed handle 5 along delivery conduit 2, to
When described first takes bolt holder 1 to be moved to lesion locations, the delivery conduit 2 can be risen by conduit fixed handle 5
To preferable stabilization, and then improves and take the stability that 1 stretching motion of bolt holder controls to described first.
Specifically, as depicted in figs. 1 and 2, the inside of the conduit fixed handle 5 offers first through hole, the tension
Seal wire 3 takes the end of bolt holder 1 to pass through the first through hole of the conduit fixed handle 5 and consolidate with the seal wire far from described first
Determine handle 6 to be fixedly connected, the conduit fixed handle 5 takes the end of bolt holder 1 to have guide rod 7 far from described first, described to lead
Silk fixed handle 6 offers the second through-hole close to the end of the conduit fixed handle 5, and the seal wire fixed handle 6 passes through the
Two through-holes are socketed on the outside of the guide rod 7, so that the seal wire fixed handle 6 is past relative to the conduit fixed handle 5
Multiple movement, thus when described first takes bolt holder 1 to be moved to lesion locations, by gripping the conduit fixed handle 5, together
Seal wire fixed handle 6 described in Shi Ladong realizes the high efficiency control for taking 1 stretching motion of bolt holder to control to described first.
During described first takes bolt holder 1 to drag and take thrombus, has part microthrombus and take bolt holder 1 from described first
Inside fall off, the microthrombus intravascular to fall off is flowed into narrow positions and forms new embolism.It is shown in Fig. 1 based on this
In embodiment, it further includes second taking bolt holder 4 to take pin device, and described second takes bolt holder 4 to take bolt holder 1 positioned at described first
Side, described second takes the proximal end of bolt holder 4 to take the distal end of bolt holder 1 to be fixedly connected with described first.The present invention passes through setting
Described second takes bolt holder 4, when state first take bolt holder 1 pull thrombus when, the thrombus of bulk takes bolt holder 1 by described first
It takes away, the thrombus of part fritter takes the inside of bolt holder 1 to fall off and takes bolt holder 4 to intercept by described second from described first, into
And it avoids the microthrombus intravascular fallen and is flowed into narrow positions and forms new embolism.
Specifically, as depicted in figs. 1 and 2, described second takes the both ends of bolt holder 4 to seal, and institute is being embedded in when thrombus
When stating the inside that second takes bolt holder 4, described second takes bolt holder 4 steadily thrombus can be driven to move, to reduce blood
Bolt takes the possibility to fall off in bolt holder 4 from described second, and then further avoids and cause new embolism because of thrombus breaks loose.
Above-mentioned technical proposal in order to better understand the present invention, as shown in Figure 1 to Figure 3, the present invention take pin device specific
Take bolt process as follows：
The present invention determines intracranial vessel lesion locations, micro-wire by angiography first when clinic does interventional treatment
It guides microtubular to import intravascular from femoral artery or arteria brachialis and pass through from thrombus, withdraws from micro-wire, pass through the delivery conduit 2
By described second take bolt holder 4 and described first take bolt holder 2 be delivered in microtubular become position, withdraw microtubular so that
Described second take bolt holder 4 and described first bolt holder 2 taken to discharge in the blood vessels, described second takes bolt holder 4 and described the
One takes bolt holder 2 to be opened under the elastic reaction of marmem, holds the conduit fixed handle 5, while described in promotion
Seal wire fixed handle 6 takes the size of the radial direction of bolt holder 1 to required size to adjust described first, when thrombus be substantially embedded into
After described first takes the inside of bolt holder 2, the conduit fixed handle 5 is pulled, so that described first takes the drive of bolt holder 2 to grab
The thrombus caught is withdrawn, and during pulling back, adjusts the position of the seal wire fixed handle 6, so that described first takes bolt branch
Frame 2 is contracted to optimum state, and then makes described first to take bolt holder 2 with minimum resistance exercise, and the thrombus of bulk is through described the
One takes bolt holder 2 to obtain, and takes the microthrombus that bolt holder 2 falls off or overflows to take bolt holder 4 to intercept through described second through first, keeps away
The thrombus intravascular for having exempted to fall off is flowed into narrow positions and forms new embolism, until described first takes bolt holder 2 and described
Second takes bolt holder 4 that thrombus is driven to withdraw from guiding catheter withdraws from outside human body together, and completion takes bolt process.
Claims (9)
1. one kind taking pin device, including first takes bolt holder (1), it is characterised in that：Further include delivery conduit (2) and tension seal wire
(3), the end of the delivery conduit (2) takes the proximal end of bolt holder (1) to be fixedly connected with described first, to drive described first to take
Bolt holder (1) is mobile, and the delivery conduit (2) is sheathed on the outside of the tension seal wire (3), and the tension seal wire (3) is close
Described first takes the end of bolt holder (1) to stretch out the conduit (2) and takes the distal end of bolt holder (1) to fix company with described first
It connects.
2. according to claim 1 take pin device, it is characterised in that：Described first takes the both ends of bolt holder (1) to seal.
3. according to claim 1 take pin device, it is characterised in that：Further include second taking bolt holder (4), described second takes
Bolt holder (4) is located at the described first side for taking bolt holder (1), and described second takes the proximal end of bolt holder (4) and described first to take
The distal end of bolt holder (1) is fixedly connected.
4. according to claim 2 take pin device, it is characterised in that：Described second takes the both ends of bolt holder (4) to seal.
5. taking pin device according to any one of claim 1-4, it is characterised in that：The delivery conduit (2) is far from institute
Stating first takes the end of bolt holder (1) to be fixedly connected with conduit fixed handle (5).
6. according to claim 5 take pin device, it is characterised in that：The side of the conduit fixed handle (5) is provided with
Can the conduit fixed handle (5) moves back and forth relatively seal wire fixed handle (6), the inside of the conduit fixed handle (5)
First through hole is offered, the seal wire (3) that tenses takes the end of bolt holder (1) that the conduit is passed through to fix hand far from described first
The first through hole of handle (5) is simultaneously fixedly connected with the seal wire fixed handle (6).
7. according to claim 6 take pin device, it is characterised in that：The seal wire fixed handle (6) is solid with the conduit
Determine handle (5) to be slidably connected, be moved back and forth with the relatively described conduit fixed handle (5).
8. according to claim 7 take pin device, it is characterised in that：The conduit fixed handle (5) is far from described first
Take the end of bolt holder (1) that there is guide rod (7), the seal wire fixed handle (6) is close to the end of the conduit fixed handle (5)
The second through-hole is offered, the seal wire fixed handle (6) is socketed on the outside of the guide rod (7) by the second through-hole.
9. taking pin device according to any one of claim 1-4, it is characterised in that：The tension seal wire (3) is far from institute
Stating first takes the end of bolt holder (1) to be fixedly connected with seal wire fixed handle (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810118563.9A CN108309398A (en) | 2018-02-06 | 2018-02-06 | Take pin device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810118563.9A CN108309398A (en) | 2018-02-06 | 2018-02-06 | Take pin device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108309398A true CN108309398A (en) | 2018-07-24 |
Family
ID=62902654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810118563.9A Pending CN108309398A (en) | 2018-02-06 | 2018-02-06 | Take pin device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108309398A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114587499A (en) * | 2022-03-14 | 2022-06-07 | 上海腾复医疗科技有限公司 | Vascular opening device |
| CN115530924A (en) * | 2022-09-21 | 2022-12-30 | 上海恩盛医疗科技有限公司 | Thrombus taking device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204446016U (en) * | 2015-01-05 | 2015-07-08 | 安瑞医疗器械(杭州)有限公司 | A kind of Microendoscopic stone extraction basket |
| CN205268238U (en) * | 2015-12-28 | 2016-06-01 | 威海维心医疗设备有限公司 | Get and tie support device |
| WO2016089451A1 (en) * | 2014-12-02 | 2016-06-09 | Legacy Ventures LLC | Clot retrieval system |
| US9480491B1 (en) * | 2003-04-25 | 2016-11-01 | Annex Medical, Inc. | Medical retrieval device |
| CN107432760A (en) * | 2012-01-17 | 2017-12-05 | 珀弗娄医疗有限公司 | Method and apparatus for removing tamper |
-
2018
- 2018-02-06 CN CN201810118563.9A patent/CN108309398A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9480491B1 (en) * | 2003-04-25 | 2016-11-01 | Annex Medical, Inc. | Medical retrieval device |
| CN107432760A (en) * | 2012-01-17 | 2017-12-05 | 珀弗娄医疗有限公司 | Method and apparatus for removing tamper |
| WO2016089451A1 (en) * | 2014-12-02 | 2016-06-09 | Legacy Ventures LLC | Clot retrieval system |
| CN204446016U (en) * | 2015-01-05 | 2015-07-08 | 安瑞医疗器械(杭州)有限公司 | A kind of Microendoscopic stone extraction basket |
| CN205268238U (en) * | 2015-12-28 | 2016-06-01 | 威海维心医疗设备有限公司 | Get and tie support device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114587499A (en) * | 2022-03-14 | 2022-06-07 | 上海腾复医疗科技有限公司 | Vascular opening device |
| CN115530924A (en) * | 2022-09-21 | 2022-12-30 | 上海恩盛医疗科技有限公司 | Thrombus taking device |
| CN115530924B (en) * | 2022-09-21 | 2024-09-06 | 上海恩盛医疗科技有限公司 | Thrombolysis device |
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| PB01 | Publication | ||
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Application publication date: 20180724 |