CN107049421A - A kind of full development takes bolt support and thrombus withdrawing device - Google Patents
A kind of full development takes bolt support and thrombus withdrawing device Download PDFInfo
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- CN107049421A CN107049421A CN201710322317.0A CN201710322317A CN107049421A CN 107049421 A CN107049421 A CN 107049421A CN 201710322317 A CN201710322317 A CN 201710322317A CN 107049421 A CN107049421 A CN 107049421A
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- 238000011161 development Methods 0.000 title claims abstract description 89
- 208000007536 Thrombosis Diseases 0.000 title claims abstract description 44
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 230000003902 lesion Effects 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 238000011065 in-situ storage Methods 0.000 abstract description 3
- 230000018109 developmental process Effects 0.000 description 63
- 238000000034 method Methods 0.000 description 8
- 208000006011 Stroke Diseases 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 206010008190 Cerebrovascular accident Diseases 0.000 description 5
- 210000004204 blood vessel Anatomy 0.000 description 5
- 208000032382 Ischaemic stroke Diseases 0.000 description 4
- 206010033799 Paralysis Diseases 0.000 description 3
- 210000001367 artery Anatomy 0.000 description 3
- 230000002490 cerebral effect Effects 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 208000021090 palsy Diseases 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002537 thrombolytic effect Effects 0.000 description 3
- 230000002008 hemorrhagic effect Effects 0.000 description 2
- 238000002601 radiography Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 206010008092 Cerebral artery thrombosis Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000005013 brain tissue Anatomy 0.000 description 1
- 208000026106 cerebrovascular disease Diseases 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009730 filament winding Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007917 intracranial administration Methods 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 208000028867 ischemia Diseases 0.000 description 1
- 230000000302 ischemic effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012781 shape memory material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- 231100000216 vascular lesion Toxicity 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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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
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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
- 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, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00867—Material properties shape memory effect
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00902—Material properties transparent or translucent
- A61B2017/00915—Material properties transparent or translucent for radioactive radiation
-
- 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)
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- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention relates to technical field of medical instruments, more particularly to a kind of full development takes bolt support and the thrombus withdrawing device of bolt support is taken with this, including the circumferential rack body from volume expansion along its longitudinal axis, running through in the overall structure of the rack body has a number of development structure, the development structure is made up of not perspective ray material, can be during bolt be taken, definitely take the form of bolt support and thrombus, accurate identification takes bolt support effectively to take bolt length, judgement takes whether bolt support discharges and expand completely, reaction directly perceived takes contact situation of the bolt support with thrombus, determine whether whether lesion vesselses have in situ narrow, so favourable surgical operation is with judging, effectively increase and take bolt success rate.
Description
Technical field
Take bolt support the present invention relates to technical field of medical instruments, more particularly to a kind of full development and take bolt support with this
Thrombus withdrawing device.
Background technology
Palsy is also known as apoplexy, and cerebral apoplexy is one group using brain tissue ischemia and heamorrhagic lesions symptom as main clinical manifestation
Acute cerebrovascular diseases, because it has the features such as high incidence, high mortality, high disability rate, high relapse rate and high financial burden,
Seriously endanger popular life and health and quality of life.The incidence of disease of current China cerebral apoplexy is just with annual 8.7% speed
Rise, the annual number because of Stroke Death of China exceedes tumour and angiocardiopathy, as first cause of death.
Palsy is divided into ischemic cerebral apoplexy and two kinds of hemorrhagic apoplexy, wherein cerebral arterial thrombosis accounted for 70% to
80%.In the patient for occurring Ischemic Stroke, the consequence caused by the intracranial vessel occlusion as caused by a variety of causes is most tight
Weight, is the difficult point for the treatment of all the time, and current treatment method includes intravenous pharmacy thrombolysis, artery medicine thrombolysis, intravascular machine
Tool takes bolt and several method to be used in combination.Artery and vein thrombolysis is the conventional method of acute ischemic stroke treatment, but this
Method requires high for therapeutic time window, and strict demand patient idiopathy rushes to hospital in 3~4.5 hours and receives associated treatment,
Also there are many restrictions to medicine, and it is low for the vessel occlusion induced Acute Ischemic Stroke recanalization rate of most serious.
Artery machinery takes pin device to obtain extensive concern because of having the advantages that following many：Quickly lead to again, more
Low hemorrhagic conversion rate and palsy intervention time window can extend.For the acute ischemic stroke blood vessel caused by vessel occlusion again
It is connected with gratifying clinical effectiveness.United States food and drag administration (Food and Drug Administration,
FDA Merci Retrieval (2004) and Penumbra Stroke Systems (2008)) be have approved as the first generation
Machinery takes pin device.
But, at present for machinery takes pin device, problems are still faced during bolt is taken：As taken pin device mostly
All it is only to design single development point, the contact situation for taking pin device with thrombus can neither be clearly observed during bolt is taken,
Position and the form of thrombus can not be specified, causes thrombus to arrest rate low.
The content of the invention
Bolt support is taken it is an object of the invention to provide a kind of full development, by taking bolt support whole installation a number of
Developing mark point, the contact situation for taking pin device with thrombus can neither clearly be observed during bolt is taken by solving, can not be bright
The problem of position of true thrombus and form, improve thrombus and arrest rate.
Another object of the present invention is to propose a kind of thrombus withdrawing device that there is above-mentioned full development to take bolt support.
For up to this purpose, the present invention uses following technical scheme：
A kind of full development takes bolt support, including the circumferential rack body from volume expansion along its longitudinal axis, the rack body
Through the development structure for having certain amount multi-form or same form in overall structure, the development structure is by not perspective ray
Material is made, and the form of the rack body and thrombus can be shown during bolt is taken.
Preferably, the rack body is connected including the remote area being sequentially connected, intermediate region and with push rod
Proximal end region, the remote area, intermediate region and proximal end region are provided with certain amount multi-form or same form
Development structure.
Preferably, the development structure includes development point, the development point, which is done, to be circlewise wound on rack body；Or
Person, does slabbing or tubulose is embedded in inside or outside rack body；Or, set development point to fix on rack body in advance
Portion.
Preferably, the remote area includes the first closed loop net unit, the intermediate region includes multiple second closed loops
Net unit, the proximal end region includes multiple 3rd closed loop net units, spiral according to setting from remote area to proximal end region
The first closed loop net unit, the second closed loop net unit and the 3rd closed loop net unit being sequentially connected with are in counterclockwise or clock wise spirals knot
Structure.
Preferably, the development point is set according to the helix of the helical structure；Or, according to the rack body
It is axially arranged；Or, according to the circumferentially disposed of the rack body.
Preferably, can be long come effective work of the respectively rack body by the arrangement distance of the development point
Degree.
Preferably, the development structure includes development point and strip-like developing pipe.
Preferably, the development point is set on the rack body of the remote area distalmost end, in addition, the support sheet
Body is provided with the strip-like developing pipe on the whole, and the parallel rack body of the strip-like developing pipe sets or be wound in the rack body
On.
Preferably, the thickness of the development structure is 0.02-0.1mm, preferably 0.03-0.08mm.
A kind of thrombus withdrawing device, including full development described in any of the above take bolt support, described to take the near of bolt support
End regions are by fettering a point connection push rod, and the outer cover of the push rod by take that bolt support is pressed into it provided with micro- can leading
Pipe, the microtubular is connected by microtubular connector with importing sheath.
Beneficial effects of the present invention：
The present invention provides a kind of full development and takes bolt support, including the circumferential rack body from volume expansion along its longitudinal axis, support
Through there is a number of development structure in the overall structure of body, development structure is made up of not perspective ray material, Neng Gou
Take during bolt, definitely take the form of bolt support and thrombus, accurate identification takes bolt support effectively to take bolt length, judges to take
Whether bolt support discharges and expands completely, and reaction directly perceived takes contact situation of the bolt support with thrombus, determines whether lesion vesselses
Whether have in situ narrow, so favourable surgical operation effectively increases with judging and takes bolt success rate.
Brief description of the drawings
Fig. 1 is the flat deployable structure schematic diagram that the full development that the embodiment of the present invention one is provided takes bolt support；
Fig. 2 is the helical structure schematic diagram one that the full development that the embodiment of the present invention one is provided takes bolt support；
Fig. 3 is the helical structure schematic diagram two that the full development that the embodiment of the present invention one is provided takes bolt support；
Fig. 4 is the helical structure schematic diagram three that the full development that the embodiment of the present invention one is provided takes bolt support；
Fig. 5 is the helical structure schematic diagram that the full development that the embodiment of the present invention two is provided takes bolt support；
Fig. 6 is the partial structural diagram that the full development that the embodiment of the present invention two is provided takes bolt support；
Fig. 7 is the structural representation for the development point fixed part that the full development that the present invention is provided takes bolt support；
Fig. 8 is the structural representation one for the thrombus withdrawing device that the present invention is provided；
Fig. 9 is the structural representation two for the thrombus withdrawing device that the present invention is provided.
In figure：
100- rack bodies；101- developments point fixed part；110- remote areas；111- the first closed loop net units；In 120-
Between region；121- the second closed loop net units；130- proximal end regions；The closed loop net units of 131- the 3rd；141- development points；142- develops
Band；200- push rod；400- imports sheath；500- microtubulars；600- fetters point.
Embodiment
For make present invention solves the technical problem that, the technical scheme that uses and the technique effect that reaches it is clearer, below
Technical scheme is further illustrated with reference to accompanying drawing and by embodiment.For the ease of description, describe below
Term " near-end " and " distal end " are used, wherein " near-end " refers to, close to one end of operating side, distally referring to away from operation
The one end at end.
Embodiment one
The present invention provides a kind of full development and takes bolt support, and shown in Fig. 1-Fig. 4 and Fig. 7, full development takes bolt support to include along it
Running through in the circumferential rack body 100 from volume expansion of the longitudinal axis, the overall structure of rack body 100 has a number of development knot
Structure, the development structure is made up of not perspective ray material, during bolt is taken, can definitely take the shape of bolt support and thrombus
State, accurate identification takes bolt support effectively to take bolt length, and judgement takes whether bolt support discharges and expand completely, and reaction directly perceived takes bolt
Contact situation of the support with thrombus, determines whether whether lesion vesselses have in situ narrow, so favourable surgical operation with
Judge, effectively increase and take bolt success rate.
Specifically, rack body 100 include be sequentially connected remote area 110, intermediate region 120 and with push rod 200
The proximal end region 130 being connected.Remote area 110 sets development structure to be easy to observe the reality for taking bolt support distalmost end to reach blood vessel
Border position；Intermediate region 120 sets development structure clearly to judge contact situation of the blood vessel with thrombus；Proximal end region 130 is set
Putting development structure can indicate to take effective operation interval of bolt support.
Remote area 110 includes multiple first closed loop net units 111, and multiple first closed loop net units 111 are connected with each other shape
Into tube-in-tube structure, intermediate region 120 includes multiple second closed loop net units 121, and multiple second closed loop net units 121 are connected with each other
Tube-in-tube structure is formed, proximal end region 130 includes multiple 3rd closed loop net units 131, and multiple 3rd closed loop net units 131 are mutually interconnected
Connect to form cone cylinder structure.First closed loop net unit 111, the second closed loop net unit 121 and the 3rd closed loop net unit 131 are by many
Root ripple bar encloses class polygonized structure, is wave head positioned at the intersection point of the outermost ripple bar being connected of remote area 110.From
The first closed loop net unit 111, the second closed loop net that remote area 110 is spirally sequentially connected with to proximal end region 130 according to setting
The closed loop net unit 131 of unit 121 and the 3rd is in counterclockwise or clock wise spirals structure.
In the present embodiment, development structure is development point 141, and development point 141, which can be done, is circlewise wound on ripple bar in itself；
Slabbing can be done or tubulose is embedded in inside or outside ripple bar；Development point fixed part 101, ginseng can also be set on ripple bar in advance
See Fig. 7.
The quantity of development point in each region can be set according to the quantity of wave head, can be equal to or less than the number of wave head
Amount；Development point quantity can also be set according to the length of rack body 100.Referring to Fig. 1, development point 141 can be according to spiral knot
The helix of structure is set, it is preferred that in proximal end region, development point 141 is arranged at the slope Kou Chu of cone cylinder structure；Or, referring to
Fig. 2, development point 141 can also be according to the circumferentially disposed of rack body 100；Or, referring to Fig. 3, development point 141 can also be according to
Rack body 100 it is axially arranged.It is preferred that, it can just utilize development 141 rows of point with reference to two kinds of set-up modes of circumferential and axial
Cloth distance carrys out effective active length of respectively rack body 100, and (remote area 110 and intermediate region 120 are rack body 100
Main body, is the effective active length for taking bolt), can be by effective work of rack body 100 using the arrangement distance of development point 141
Length is divided into N section, N be more than or equal to 2, N concrete numerical value can depending on the specific length according to rack body 100, referring to
Effective active length of rack body 100 is divided into two parts, the development point region of remote area 110 by Fig. 4, development point 141
Length to the point region of developing of intermediate region 120 is L1, development point region the showing to proximal end region 130 of intermediate region 120
The length in shadow point region be L2, then L1 be approximately equal to L2, when take bolt support discharge to it is intravascular when, can clearly identify blood vessel and blood
The length of bolt.
The thickness for structure of developing is 0.02-0.1mm, preferably 0.03-0.08mm, and thickness setting, which both can guarantee that, is taking bolt
When clear mark blood vessel and thrombus length, the not perspective ray material for making development structure can be saved to greatest extent again, reached
Cost-effective purpose is arrived.
In addition, the mesh of the first closed loop net unit 111 and the 3rd closed loop net unit 131 is respectively less than the second closed loop net unit
121.Designed by the small mesh of the first closed loop net unit 111 of remote area 110 so that remote area 110 is in release process
When arresting thrombus, larger radial support power is produced, when rack body 100 is withdrawn, is conducive to dragging thrombus, and withdrawing
Thrombus effect difficult for drop-off in journey, the second closed loop net unit 121 for effectively making up the intermediate region 120 of rack body 100 is being returned
When removing thrombus be shifted over caused by take bolt to fail.Set by the big mesh of the second closed loop net unit 121 of intermediate region 120
Meter so that rack body 100 can be effectively embedded into inside thrombus when being opened in the middle of thrombus, is difficult thrombus to shred or cut into small
Shape is block, is easy to thrombus completely to take out.Designed, withdrawn by the small mesh of the 3rd closed loop net unit 131 of proximal end region 130
Shi Youxiao makes up the second closed loop net unit 121 of intermediate region 120, avoids the thrombus when withdrawing from being shifted over.Remote area 110
Designed with the small mesh of proximal end region 130, the front side and rear side progress to thrombus are spacing, coordinate intermediate region 120 that thrombus is suitable
Profit is taken out.
Embodiment two
Fig. 5 and Fig. 6 show embodiment two, wherein identical with embodiment one or corresponding parts are used and embodiment one
Corresponding reference.For simplicity, the distinctive points of embodiment two and embodiment one are only described.Difference part is, develops
Structure includes development point 141 and strip-like developing pipe 142.
Referring to Fig. 5, the development point 141 is set, in addition, being set on overall ripple bar on the outermost ripple bar of remote area 110
It is equipped with strip-like developing pipe 142, the parallel wave bar of strip-like developing pipe 142 or is wound on ripple bar, the strip-like developing pipe 142 set on ripple bar and development point
141 are connected；Or, referring to Fig. 6, development point 141 is arranged at the wave head of remote area 110, and fixed seat is provided with wave head, is developed
Band 142 is wound on overall ripple bar by sub-thread or multiply, and strip-like developing pipe 142 is not attached to wave head end development point 141.
Embodiment three
As shown in Figure 8 and Figure 9, the present invention also provides a kind of thrombus withdrawing device, including described in any of the above embodiment
Full development takes bolt support, takes the close end 130 of bolt support to connect push rod 200, the outside of push rod 200 by fettering point 600
The microtubular 500 that bolt support can will be taken to be pressed into it is arranged with, microtubular 500 is by microtubular connector with importing sheath 400
Connection.The rack body 100 is strapped in push rod 200, constraint point 600 constraint developing ring or the constraint bullet for the filament winding that develops
Spring is fixed, and fixed form can be that welding, riveting or pressure are held.The structure and operation principle for taking bolt support is referring to above-mentioned reality
Example is applied, be will not be repeated here.
Preparation is taken out carrying out thrombus, rack body 100 is compressed in importing sheath 400 in advance first, and it leads to
Cross importing sheath 400 with microtubular connector to be connected, promote push rod 200, rack body 100 can smoothly enter microtubular
In 500 tube chambers, rack body 100 will be delivered to by microtubular 500 determined according to radiography or other diagnostic means afterwards
Thrombus position, to form tube chamber so that rack body 100 discharges in vascular lesion position and can be realized by push rod 200
Push pull maneuver is precisely aligned, so as to be changed between compressive state and release conditions.
During PCI, microtubular 500 is delivered to diseased region, and pass through thrombus, fixed microtubular 500.By pushing away
Send bar 200 that rack body 100 is pushed into the thrombus position according to determined by radiography or other diagnostic means, withdraw microtubular
500 make rack body be discharged in distal end, discharge the 1/3-1/4 of whole rack body 100, and rack body 100 flicks anchor in distal end
Surely live vascular wall, it is then slow before push away push rod 200, while withdrawing microtubular 500 under reaction force, discharge microtubular 500
Tension force, repeatedly until all release of rack body 100.
Due to the elasticity and method for releasing collective effect of shape-memory material, bolt support is taken to be completely embedded into thrombus
Portion.Wait after certain time, push rod of pulling back bar 200, withdraw and take bolt support to capture thrombus, until bolt support will be taken to be led together with micro-
Pipe 500 is withdrawn in the lump to be withdrawn from vitro, and completion entirely takes bolt process.Importing sheath 400 is held by pressure as overall rack body 100
It is interior, it is then introduced into microtubular 500, that is, rack body 100 is delivered to diseased region by microtubular 500.
The development structure being distributed on the rack body 100, has to the process of arresting and withdraw when taking bolt to thrombus
Without the carry out Real Time Observation that comes off, to instruct specifically to take bolt microtechnique so that take bolt more accurate.
Obviously, the above embodiment of the present invention is just for the sake of clear explanation example of the present invention, and is not pair
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Any modifications, equivalent substitutions and improvements made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (10)
1. a kind of full development takes bolt support, it is characterised in that including the circumferential rack body from volume expansion along its longitudinal axis, the branch
Through the development structure for having certain amount multi-form or same form in the overall structure of frame body, the development structure is not by
Perspective ray material is made, and the form of the rack body and thrombus can be shown during bolt is taken.
2. full development according to claim 1 takes bolt support, it is characterised in that the rack body includes what is be sequentially connected
Remote area, intermediate region and the proximal end region being connected with push rod, the remote area, intermediate region and proximal end region are equal
It is provided with the development structure of certain amount multi-form or same form.
3. full development according to claim 2 takes bolt support, it is characterised in that the development structure includes development point, institute
State to develop to put to do and be circlewise wound on rack body；Or, do slabbing or tubulose is embedded in inside or outside rack body；
Or, development point fixed part is set on rack body in advance.
4. full development according to claim 3 takes bolt support, it is characterised in that the remote area includes the first closed loop net
Unit, the intermediate region includes multiple second closed loop net units, and the proximal end region includes multiple 3rd closed loop net units, from
The first closed loop net unit, the second closed loop net unit and the 3rd that remote area is spirally sequentially connected with to proximal end region according to setting
Closed loop net unit is in counterclockwise or clock wise spirals structure.
5. full development according to claim 4 takes bolt support, it is characterised in that the development point is according to the helical structure
Helix set；Or, according to the axially arranged of the rack body；Or, according to the circumferentially disposed of the rack body.
6. it is according to claim 5 it is full development take bolt support, it is characterised in that can by it is described development point arrangement away from
From the effective active length for carrying out the respectively rack body.
7. full development according to claim 2 takes bolt support, it is characterised in that the development structure includes development point and aobvious
Shadow bands.
8. full development according to claim 7 takes bolt support, it is characterised in that the support sheet of the remote area distalmost end
The development point is set on body, in addition, the rack body is provided with the strip-like developing pipe on the whole, the strip-like developing pipe is parallel described
Rack body sets or is wound on the rack body.
9. the full development according to claim any one of 1-8 takes bolt support, it is characterised in that the thickness of the development structure
For 0.02-0.1mm, preferably 0.03-0.08mm.
10. a kind of thrombus withdrawing device, it is characterised in that take bolt branch including the full development as described in claim any one of 1-9
Frame, the proximal end region for taking bolt support is provided with by fettering point connection push rod, the outer cover of the push rod and can will take bolt
Support is pressed into the microtubular in it, and the microtubular is connected by microtubular connector with importing sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710322317.0A CN107049421B (en) | 2017-05-09 | 2017-05-09 | Full-development thrombus taking support and thrombus taking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710322317.0A CN107049421B (en) | 2017-05-09 | 2017-05-09 | Full-development thrombus taking support and thrombus taking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107049421A true CN107049421A (en) | 2017-08-18 |
| CN107049421B CN107049421B (en) | 2023-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710322317.0A Active CN107049421B (en) | 2017-05-09 | 2017-05-09 | Full-development thrombus taking support and thrombus taking device |
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| Country | Link |
|---|---|
| CN (1) | CN107049421B (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108245223A (en) * | 2018-01-22 | 2018-07-06 | 翎秀生物科技（上海）有限公司 | Take bolt stent |
| CN108670353A (en) * | 2018-04-09 | 2018-10-19 | 宋朝阳 | A kind of tandem takes bolt holder and thrombus withdrawing device |
| CN109692027A (en) * | 2018-12-03 | 2019-04-30 | 北京泰杰伟业科技有限公司 | A kind of whole course visible takes thrombus device |
| CN111434314A (en) * | 2019-01-15 | 2020-07-21 | 苏州博欣医疗科技有限公司 | Can develop thrombectomy support and thrombus remove device of location |
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| CN111434314A (en) * | 2019-01-15 | 2020-07-21 | 苏州博欣医疗科技有限公司 | Can develop thrombectomy support and thrombus remove device of location |
| CN111434314B (en) * | 2019-01-15 | 2023-08-08 | 苏州博欣医疗科技有限公司 | But thrombus support and thrombus extraction device of taking out of development location |
| CN111493974B (en) * | 2020-04-29 | 2021-06-04 | 北京阳立医疗科技有限公司 | Adjustable thrombus extraction device and manufacturing method thereof |
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| CN111493975A (en) * | 2020-04-29 | 2020-08-07 | 北京阳立医疗科技有限公司 | Thrombus extraction device and manufacturing method thereof |
| CN113855352A (en) * | 2020-06-30 | 2021-12-31 | 微创神通医疗科技（上海）有限公司 | Developing structure, bracket and bolt taking system |
| CN113855353A (en) * | 2020-06-30 | 2021-12-31 | 微创神通医疗科技（上海）有限公司 | Developing structure, bracket and bolt taking system |
| CN112568964A (en) * | 2020-11-30 | 2021-03-30 | 赛诺神畅医疗科技有限公司 | Thrombus taking support and thrombus taking device |
| CN112842466A (en) * | 2020-12-30 | 2021-05-28 | 杭州亿科医疗科技有限公司 | Thrombus-taking support |
| CN112842466B (en) * | 2020-12-30 | 2022-05-31 | 杭州亿科医疗科技有限公司 | Thrombus-taking support |
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| WO2023280030A1 (en) * | 2021-07-09 | 2023-01-12 | 微创神通医疗科技（上海）有限公司 | Stent and thrombectomy system |
| CN113576599A (en) * | 2021-07-30 | 2021-11-02 | 北京泰杰伟业科技有限公司 | Thrombus retrieval device and self-expanding structure |
| CN113729861A (en) * | 2021-09-29 | 2021-12-03 | 广东博迈元通医疗科技有限公司 | Thrombus taking support and thrombus taking device |
| CN115212019A (en) * | 2022-07-20 | 2022-10-21 | 聚辉医疗科技(深圳)有限公司 | Blood vessel stent and preparation method thereof |
| CN115212019B (en) * | 2022-07-20 | 2023-10-13 | 聚辉医疗科技(深圳)有限公司 | Vascular stent and preparation method thereof |
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