CN106859729A - One kind takes bolt mounting system - Google Patents
One kind takes bolt mounting system Download PDFInfo
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- CN106859729A CN106859729A CN201710142837.3A CN201710142837A CN106859729A CN 106859729 A CN106859729 A CN 106859729A CN 201710142837 A CN201710142837 A CN 201710142837A CN 106859729 A CN106859729 A CN 106859729A
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- bolt support
- bolt
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- take
- taking
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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
- 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
- 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
- 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
- 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
- A61B2017/22051—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 an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation
- A61B2017/22065—Functions of balloons
- A61B2017/22067—Blocking; Occlusion
-
- 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
- A61B2017/22072—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 an instrument channel, e.g. for replacing one instrument by the other
-
- 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
- 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
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)
- Prostheses (AREA)
Abstract
Bolt mounting system is taken the invention discloses one kind, including takes bolt support, the distal end for taking bolt support is open state.Preferably, bolt support is taken in the form of a roll；The cross section of bolt support is taken for open loop structure, so that support has extraordinary pliability while having suitable support force again, the blood vessel of encephalic bending can be preferably reached.Taking bolt support has suitable support force, is conducive to improving and takes that bolt support is confluent with thrombus while not injured blood vessel again, increases the Grasping skill of thrombus.Further, it is special to take the cutting design of bolt support, it is ensured that it is flexible while have suitable good thrombus Grasping skill again to take bolt support, and can effectively adhere to thrombus and avoid taking during bolt thrombus and come off on bolt support from taking.
Description
Technical field
The invention belongs to medical instruments field, bolt mounting system is taken more particularly, to one kind.
Background technology
Cerebral apoplexy is at present one of common disease in the world, its have the special feature that for：High incidence, illness rate high, cause high
Residual rate.The annual morbidity of China's city cerebrovascular disease is 2,19/,100,000, and rural area is 1,85/,100,000, but also is being risen year by year.
From 1998 to 2008 illness rates of cerebrovascular disease 9.7 ‰ were risen to by 5.9 ‰.In the patients with cerebrovascular disease of survival, about
There are 3/4ths different degrees of disabilities, it has been reported that 80% patients with cerebral apoplexy has different degrees of limb function
Obstacle, wherein 43.7% minimal invasive treatment can not take care of oneself.Intravenous injection rt-PA thrombolysis be it is currently the only by evidence-based medicine EBM confirm have
The Acute Cerebral Infarction treatment method of effect.But the treatment time for being injected intravenously thrombolysis is long, the brain tissue impairment to ischemic is big, and
With bleeding risk, recanalization rate is very low；The recanalization rate of basal arteries thrombolysis only has 30% or so, and the lesion of arteria carotis end is molten
Bolt only has 6% recanalization rate, and arteria carotis communis thrombolysis only has 27% or so recanalization rate.And the time window of intravenous injection thrombolysis is only
Have 4 hours or so.As seen from the above, the alone intravenous thrombolysis of cerebral artery occlusion are that intravenous thrombolysis far from being enough, simple may
It is insufficient to allow and meets actual clinical demand.
It is a kind of medical instrument for treating due to capturing the thrombus in blood vessel to take bolt mounting system.Take bolt mounting system
Embolism position is entered by micro catheter system, the thrombus of embolism position can be arrested after release, then reclaimed by microtubular afterwards,
Thrombus is taken out.However, the existing bolt mounting system that takes is mainly for thicker blood vessel, it is impossible to enter thinner cerebral artery blood
Pipe.And if design is improper in itself to take bolt support, and irreversible damage is easily caused to blood vessel, causes ISR, angiorrhoxis etc.
Other complication；Thrombus breaks loose during thrombus crawl is additionally easily occurred in, is taken, recanalization rate is low.If time-consuming long,
Can then cause Ischemia Time long easily to the brain irreversible damage of generation.The above is all to take bolt mounting system to apply
In the cerebral apoplexy problem to be faced that treatment cerebral thrombus causes.
The content of the invention
In view of the shortcomings of the prior art, especially thrombus holds caducous problem, the present inventors during thrombus crawl
Research obtains one kind and takes bolt mounting system.This takes bolt mounting system includes taking bolt support, and the distal end for taking bolt support is opening shape
State.During bolt is taken, often merged with thrombus using the stage casing for taking bolt support, now taken the stage casing of bolt support often
The reduced diameter for causing this section can be deformed.If take bolt support distal end be in closed state, then taken when taking bolt bolt support stage casing and
The external diameter of distal end is reduced, and when taking bolt, thrombus come off on bolt support from taking because being easy to by the resistance of vascular wall.If taking
The distal end of bolt support is open state, then take stage casing (taking spigot position) reduced diameter of bolt support, and takes the outer of bolt support two ends
Footpath is then more than middle part, and now support is in dumbbell shaped, and the distal outer diameter for especially taking bolt support is more than the stage casing for taking bolt support
External diameter, thrombus is difficult to be come off from support when taking bolt.Therefore, distal openings state takes the fusion of bolt support its thrombus, crawl energy
Power is to take bolt effect to take bolt support significantly better than distal end closure state.
Further, the near-end for taking bolt support is open state.So that when bolt is taken, proximal outer diameter is more than taking bolt support
Stage casing external diameter, thrombus is difficult proximally to come off.
Further, bolt support is taken in the form of a roll；The cross section for taking bolt support is open loop structure.The external diameter for taking bolt support is big
It is small to change with the amount of crimp of bolt support is taken.The cylinder web-like of open loop to be designed with and adjust curling as needed beneficial to taking bolt support
Elasticity, so as to adjust its external diameter size, to adapt to different blood vessel size, and the need for adapting to different support forces.Work as blood
Pipe hour, improves crimpness, and external diameter diminishes；Vice versa.Suitable support force, is conducive to improving and takes melting for bolt support and thrombus
Not injured blood vessel again while conjunction property, increases the Grasping skill of thrombus.Here support force refers to take bolt support for homework department
The tension force of position blood vessel.
Further, closer to the distalmost end for taking bolt support, the girth for taking the cross section of the distal end of bolt support is smaller.Favorably
In the distal convolutions of bolt support are taken into thinner state, the suitable of bolt support is taken so as to extend into thinner blood vessel, therefore expand
Use scope.
Further, closer to the most proximal end for taking bolt support, the girth for taking the cross section of the near-end of bolt support is smaller.Favorably
Preferably drawn in in importing sheath in bolt support is taken.
Further, the reduced cross-sectional for taking the most proximal end of bolt support is point-like.
Further, the cross section for taking the distal end of bolt support is in C fonts.
Further, the cross section for taking the near-end of bolt support is in C fonts.
Further, taking bolt support includes multiple identical or different grid cells.
Further, grid cell is connected with each other in netted.
In a detailed embodiment, the shape of grid cell include figure, polygon and camber line that camber line constitutes with
Straight line constitute figure in one or more.
In another embodiment, the shape of grid cell includes circle, ellipse, quadrangle, triangle, water chestnut
Shape and it is trapezoidal in one or more.
In another specific embodiment, the shape of grid cell includes the figure that a plurality of camber line is constituted.
Further, multiple grid cells are arranged in order and embark on journey, and adjacent rows grid cell Heterogeneous Permutation.It is preferred that
Ground, the row with take the axially in parallel of bolt support.That is, perpendicular to taking in bolt support axially direction, in adjacent rows, a line
Grid cell against the space of the two neighboring grid cell of another row.Such design so that it is more compressible to take bolt support, more
Minute blood vessel is adapted to, income is also easier to and is imported in sheath.
Further, grid cell is enclosed by 4 adjacent grid cells and formed.
Further, grid cell includes the first grid cell and the second grid cell；First grid cell is by adjacent 4
Individual second grid cell is enclosed and formed；Second grid cell is enclosed by 4 adjacent the first grid cells and formed.
Further, grid cell includes the first grid cell and the second grid cell；Multiple first grid cells are successively
It is arranged in and takes the first axially in parallel grid cell row of bolt support；Multiple second grid cells are arranged in order into and take bolt branch
The second axially in parallel grid cell row of frame；First grid cell row and the second grid cell row are in the axial direction for taking bolt support
It is alternately arranged, in the Heterogeneous Permutation in the axial direction for taking bolt support.Its arrangement mode is：Take the odd number behavior first of bolt support
Grid cell row, even numbers behavior the second grid cell row；Or even numbers behavior the first grid cell row, the grid of odd number behavior second
Cell row；And perpendicular to taking in bolt support axially direction, the first grid cell aligns two neighboring second grid cell
Space, the second grid cell aligns the space of two neighboring first grid cell.Such arrangement mode, is conducive to taking bolt branch
Grid wire on each section of frame and a week of its cross section is evenly distributed such that it is able to provides uniform support force, takes bolt
Effect is more preferable.
Further, the width of the grid wire of grid cell is 0.05~0.16mm；Tie point between grid cell
Size is 0.25~0.45mm.Preferably, the width of the grid wire of grid cell is 0.07~0.14mm.
Further, taking bolt support has first state and the second state；In the second condition, the shape of grid cell becomes
Change.Such as, cause that the external diameter in the stage casing for taking bolt support is less than the external diameter at its two ends after change.
Further, in the first state, the dimensionally stable of grid cell.
Further, in the first state, the size of grid cell is 3~5mm.Preferably, the size of grid cell is
3.6~4.5mm.The width of the grid wire of grid cell, thickness, and grid cell size and arrangement, together with taking bolt support
The open loop structure of drum determine the support force for taking bolt support to Seeding location together, and the open loop structure of drum can
It is easy to the regulation of the support force.The thickness of the grid wire of grid cell is using shown in the prior art in the present invention.Take bolt
Support Design has different external diameter and length, is used to adapt to the cerebrovascular of different-diameter and the thrombus of different length.
Further, the distal end for taking bolt support is provided with developing element.Developing element is used to take bolt support during positioning operation
Position in the blood vessel.The quantity for being preferably located at the developing element of the end of the grid cell of the distal end for taking bolt support is 2-8
It is individual.Preferably, it is 4.
Further, the material for taking bolt support includes memorial alloy.Further, the material for taking bolt support is closed including NiTi
Gold and/or cobalt-base alloys.
Further taking bolt mounting system also includes push rod；The near-end of bolt support is taken to be connected with the distal end of push rod, and
The junction is provided with developing element.Further, developing element has stronger developability using noble metal development point, can
To help patient to determine to take the position of bolt support in art.
In a detailed embodiment, it is aobvious to take the developing element of the near-end of bolt support and the distal end junction of push rod
Shadow ring；Developing ring is set in outside the junction.
In another embodiment, the connected mode for taking the near-end of bolt support and the distal end of push rod includes weldering
Connect, be socketed, linking or viscose glue is fixedly connected.Preferably, welding includes silver soldering and/or gold solder.
In another specific embodiment, the connected mode for taking the near-end of bolt support and the distal end of push rod includes first welding
Connect, be socketed or link, then be fixedly connected with viscose glue.
Further, viscose glue includes UV glue and/or epoxide-resin glue.
Further, the material of push rod includes Nitinol.So as to have good pliability and resilience, it is easy to take
Push of the bolt mounting system in rugged blood vessel.
Further, the distal end of push rod is arranged to that taper is step-like, mistake during to be connected with the near-end for taking bolt support
Cross smooth.
Further, the outer surface of push rod is coated with the macromolecular material of low-friction coefficient.Advantageously reduce push rod
Frictional force, there is provided push performance higher.The macromolecular material of low-friction coefficient includes poly- four Buddhists ethene (PTFE) and/or gathers
Para Toluic Acid's hexylene glycol ester (PET) plastics.
Further, taking bolt mounting system also includes importing sheath；Importing sheath is bimetallic tube, and the material of inner tube includes PTFE
Or/and high density polyethylene (HDPE) (HDPE), the material of outer tube includes nylon and/or Pebax.Pebax is nylon elastomer.Import
The effect of sheath is will to take bolt support to be imported into microtubular together with push rod.Microtubular is a kind of surgical attachment.
Further, to be arranged to round-corner transition smooth for the distal end inwall of inner tube.
Further, the near-end for importing sheath is provided with handle.
Beneficial effect includes：
1st, the special bolt support cutting that takes is designed, it is ensured that take bolt support flexible while having suitable good blood again
Bolt Grasping skill；
2nd, it is special to take the cutting design of bolt support, can effectively adhere to thrombus and avoid taking during bolt thrombus from taking bolt branch
Come off on frame；
3rd, taking bolt support and push rod has good pliability and elasticity, can be in microtubular and how curved blood vessel certainly
By walking；
4th, when the figure that the grid cell for taking bolt support is surrounded for camber line, the side wall for taking bolt support must be fillet, because
This can reduce the probability of the injured blood vessel in art.
5th, take the structure design that bolt support is open loop so that support has good pliability, tortuous blood can be passed through
Pipe, smoothly reaches therapentic part.
Brief description of the drawings
Fig. 1 is a kind of structural representation of thrombus mounting system involved in the present invention.
Fig. 2 is the structural representation of Section A-A in Fig. 1.
Structural representation when Fig. 3 is another state of thrombus support in Fig. 2.
Fig. 4 is to take bolt support cutting pattern one.
Fig. 5 is to take bolt support cutting pattern two.
Fig. 6 is to take bolt support cutting pattern three.
Fig. 7 is to take bolt support cutting pattern four.
Fig. 8 is to take bolt support cutting pattern five.
Fig. 9 is to take bolt support cutting pattern six.
Figure 10 is to take bolt support cutting pattern seven.
Figure 11 is that thrombus support and push rod link schematic diagram in a kind of specific embodiment.
Figure 12 is the socket schematic diagram of thrombus support and push rod in another specific embodiment.
Figure 13 is introduced into the structural representation of sheath.
Figure 14 is B portions partial enlargement structural representation in Figure 13.
Figure 15-19 is the schematic diagram of process when taking bolt.
Specific embodiment
The present invention will be further described with specific embodiment below in conjunction with the accompanying drawings, of the invention to protect content not limit to
In following examples.Under the spirit and scope without departing substantially from inventive concept, those skilled in the art it is conceivable that change and excellent
Point is all included in the present invention, and with appending claims as protection domain.
Embodiment 1
Fig. 1 shows a specific embodiment for taking bolt mounting system of the present invention.In the present embodiment, bolt branch is taken
Frame system includes taking bolt support 1, developing ring 2, push rod 3 and imports sheath 4.The distal end of the near-end and push rod 3 that take bolt support 1 connects
Connect, developing ring 2 is provided with junction.Push rod 3 is connected with sheath 4 is imported.The distal end for taking bolt support 1 is provided with developing element
21.Take bolt support 1 is proximally and distally open state.
The Section A-A of Fig. 1 is as shown in Figure 2, it can be seen that the cross section for taking bolt support 1 is open loop.With reference to Fig. 1 it can be seen that
Bolt support 1 is taken in cylinder web-like.The amount of crimp that regulation takes bolt support 1 enables to the external diameter for taking bolt support 1 to change, than
After such as improving amount of crimp, the external diameter for taking bolt support 1 diminishes, as described in Figure 3.Conversely, as the same.
Embodiment 2
In the present embodiment, bolt support cutting pattern is taken as shown in Figure 4.Taking bolt support 1 includes that multiple identicals are connected with each other
Grid cell 11.Grid cell 11 is ellipse.
Embodiment 3
In the present embodiment, bolt support cutting pattern is taken as shown in Figure 5.Taking bolt support 1 includes multiple grids being connected with each other
Unit 11.Grid cell 11 is triangle.
Embodiment 4
In the present embodiment, bolt support cutting pattern is taken as shown in Figure 6.Taking bolt support 1 includes multiple grids being connected with each other
Unit 11.Grid cell 11 is quadrangle.
Embodiment 5
In the present embodiment, grid cell is ellipse.
Embodiment 5.1
In the present embodiment, bolt support cutting pattern is taken as shown in Figure 7.Taking bolt support 1 includes multiple grids being connected with each other
Unit 11.The distal end for taking bolt support 1 is provided with the developing element 21 that 6 edges take the distal end extension of bolt support.Bolt support 1 is taken to set
There is 1 most proximal end 12.
Embodiment 5.2
In the present embodiment, bolt support cutting pattern is taken as shown in Figure 8.Taking bolt support 1 includes multiple grids being connected with each other
Unit 11.Take bolt support 1 and be provided with 2 most proximal ends 12.
Embodiment 5.3
In the present embodiment, bolt support cutting pattern is taken as shown in Figure 9.Taking bolt support 1 includes multiple grids being connected with each other
Unit 11.The distal end for taking bolt support 1 is provided with the developing element 21 that 3 edges take the distal end extension of bolt support.Bolt support 1 is taken to set
There are 2 most proximal ends 12.
Embodiment 5.4
In the present embodiment, bolt support cutting pattern is taken as shown in Figure 10.Taking bolt support 1 includes multiple grids being connected with each other
Unit 11.Multiple grid cells 11 be arranged in order into the axially in parallel row for taking bolt support 1, and in odd number row and even numbers row
The Heterogeneous Permutation of grid cell 11.The distal end for taking bolt support 1 is provided with the developing element 21 that 3 edges take the distal end extension of bolt support.
Take bolt support 1 and be provided with 1 most proximal end 12.
Embodiment 6
In the present embodiment, taking bolt support includes multiple grid cells being connected with each other.Grid cell is made up of camber line
Figure.The end for taking the grid cell of the distalmost end of bolt support is provided with developing element, is here altogether 4, but be not limited to 4
It is individual.Grid cell includes the first grid cell and the second grid cell.Multiple first grid cells are arranged in order into and take bolt branch
The first axially in parallel grid cell row of frame；Multiple second grid cells are arranged in order into and take the axially in parallel of bolt support
Second grid cell row.First grid cell row is alternately arranged in the axial direction with the second grid cell row, on axial direction
Heterogeneous Permutation, i.e.,：Take odd number behavior the first grid cell row of bolt support, even numbers behavior the second grid cell row；Or even numbers
Behavior the first grid cell row, odd number behavior the second grid cell row；And perpendicular to taking in bolt support axially direction,
The space of two neighboring second grid cell of one grid cell alignment, two neighboring first grid cell of the second grid cell alignment
Space.Such arrangement mode, is conducive to taking the grid wire on each section of bolt support and a week of its cross section to be distributed
Uniformly such that it is able to which uniform support force is provided, bolt effect is taken more preferable.
First grid cell is enclosed by 4 adjacent the second grid cells and formed；Second grid cell is by adjacent 4
One grid cell is enclosed and formed.
Embodiment 7
Embodiment 7.1
In the present embodiment, the grid wire of grid cell includes the first grid wire and the second grid wire.First grid wire
Width is 0.07mm；The width of the second grid wire is 0.16mm.Grid cell includes the first grid cell and the second grid cell.
Bolt support is being taken and is being fully deployed into according to section girth the size of plane, that is, taking bolt support cutting drawing size is：
First grid cell width (with take the axially vertical of bolt support, the axial direction for taking bolt support refers to through taking the distal end of bolt support
With the axis direction of near-end) it is 4.55mm, length (with the axially in parallel of bolt support is taken) is 3.95mm.The width of the second grid cell
Degree is 4.36mm (with the axially vertical of bolt support is taken), and length (with the axially in parallel of bolt support is taken) is 4.97mm.
Between first grid cell, the width (with the axially vertical of bolt support is taken) of the upward tie point of bolt support shaft is being taken
It is 0.25mm, length (with the axially in parallel of bolt support is taken) is 0.45mm.
Between first grid cell, with take tie point of the bolt support axially on the direction intersected width (with take bolt branch
The axial direction of frame intersect) be 0.38mm, length (with take bolt support axially close to parallel) be 4.2mm.
When taking bolt support and expanding into a plane, its width (with the axially vertical of bolt support is taken) is 20.15mm, length
(with the axially in parallel of bolt support 1 is taken) is 38mm.
Embodiment 7.2
In the present embodiment, the grid wire of grid cell includes the first grid wire, the second grid wire and the 3rd grid wire.The
The width of one grid wire is 0.07mm；The width of the second grid wire is 0.16mm, and the width of the 3rd grid wire is 0.10mm.Grid
Unit includes the first grid cell, the second grid cell and the 3rd grid cell.
The species of grid wire and grid cell is not limited to a kind, 2 kinds or 3 kinds.
Numerical value listed by above example 7.1 and 7.2 understands the present invention for help, is not that the present invention is limited to these
In numerical value.Different sizes can be designed according to thrombus situation, blood vessel situation in practical application, the need of bolt are taken to meet
Will, however it is not limited to above-mentioned numerical value.
Embodiment 8
As shown in figure 11, in the present embodiment, thrombus support 1 is to link with the connected mode of push rod 3, and developing ring 2 is arranged
Outside the junction, and in developing ring 2 coating UV glue and/or epoxide-resin glue further fixing thrombus support 1 and push
The connection of bar 3.
Embodiment 9
As shown in figure 12, in the present embodiment, thrombus support 1 is socket with the connected mode of push rod 3, and developing ring 2 is arranged
Outside the junction.
Embodiment 10
Figure 13 shows a specific embodiment of importing sheath of the present invention.Importing sheath is bimetallic tube, inner tube 42
Material include PTFE, the material of outer tube 43 includes nylon and/or Pebax.Import sheath effect be will take bolt support together with
Push rod is imported into microtubular.Microtubular is a kind of surgical attachment.The near-end for importing sheath is provided with handle 44.Figure 14 shows
Structure in Figure 13 after B portions partial enlargement.As shown in figure 14, to be arranged to round-corner transition suitable for the distal end inwall 421 of inner tube 42
It is sliding.
Embodiment 11
During work, using traditional microcatheter technology, with 0.014 inch of nerve-seal wire (for example：OrSeal wire) intravasation and thrombus position (as shown in figure 15), haemostatic valve is connected to microtubular.
If then vascular conditions are allowed, microtubular distal end is sent at the 10mm of thrombus distal end (as shown in figure 16).By seal wire
Removed from microtubular.
To import at sheath insertion haemostatic valve half, gently tighten up.Backwashed importing sheath with physiological saline, until physiological saline from
Import the outflow of sheath near-end.Haemostatic valve is unclamped, sheath feeding microtubular interface will be imported, tighten haemostatic valve.Operation is located at and imports sheath
In push rod, promote be located at import sheath in taking bolt support.When the bolt support that takes of about feeding half length enters microtubular
When, importing sheath is removed, continue push and take bolt support, until taking bolt rack far end is completely exposed microtubular.In the present embodiment, take
The distal end of bolt support includes head end and distal end taper section, head end 4mm long, distal end taper segment length 6mm (as shown in figure 17).
Microtubular is withdrawn so as to release completely takes bolt support.Now, take bolt support and be in the second state, in taking bolt support
Section is contacted with thrombus, and thrombus acts power to the grid cell of this section, and grid cell is compressed, and its shape changes, and makes
The external diameter (as shown in figure 18) of the external diameter less than its two ends in the stage casing of bolt support must be taken.
Wait for a period of time (about 5 minutes) so that thrombus is fully merged in being embedded into and taking bolt support, takes the stage casing of bolt support
External diameter slowly recover to original state or close to original state (as shown in figure 19).
It is then possible to do some blocking near-end blood flows routine operation after, will take bolt support, push rod and microtubular as
One entirety is pulled out slowly together.Post processing.Completion takes bolt operation.
Bolt support is taken when sheath is imported, its amount of crimp is big so that the external diameter for taking bolt support sufficiently small could load importing
In sheath.When it is discharged from importing sheath, its external diameter becomes big.When not having external force to act on to take bolt support, it is in first
State, as shown in figure 1, grid cell dimensionally stable.
Preferred embodiment of the invention described in detail above, only for illustrating technology design of the invention and spy
Point, its object is to allowing those skilled in the art to will appreciate that present disclosure and implementing according to this, can not limit this with this
The protection domain of invention.It should be appreciated that one of ordinary skill in the art just can be with of the invention without creative work
Many modifications and variations are made in design.Therefore, all technical staff in the art are under this invention's idea in prior art
On the basis of by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should be by claims institute
In the protection domain of determination.
Claims (10)
1. one kind takes bolt mounting system, is characterised by, including takes bolt support, and the distal end for taking bolt support is open state.
2. it is according to claim 1 to take bolt mounting system, it is characterised in that the near-end for taking bolt support is opening shape
State.
3. it is according to claim 1 to take bolt mounting system, it is characterised in that described to take bolt support in the form of a roll；It is described to take
The cross section of bolt support is open loop structure.
4. it is according to claim 1 to take bolt mounting system, it is characterised in that it is described take bolt support include it is multiple identical or not
Same grid cell.
5. it is according to claim 4 to take bolt mounting system, it is characterised in that the shape of the grid cell includes camber line structure
Into figure, the figure that constitutes of polygon and camber line and straight line in one or more.
6. it is according to claim 4 to take bolt mounting system, it is characterised in that multiple grid cells are arranged in order into
OK, and adjacent rows the grid cell Heterogeneous Permutation.
7. it is according to claim 4 to take bolt mounting system, it is characterised in that the grid cell is as described in adjacent 4
Grid cell is enclosed and formed.
8. it is according to claim 4 to take bolt mounting system, it is characterised in that the bolt support that takes has first state and
Two-state；In said second condition, the change in shape of the grid cell.
9. it is according to claim 1 to take bolt mounting system, it is characterised in that also including push rod；The bolt support of taking
Near-end is connected with the distal end of the push rod, and the junction is provided with developing element.
10. it is according to claim 1 to take bolt mounting system, it is characterised in that also including importing sheath；The importing sheath is double
Layer pipe, the material of inner tube includes PTFE and/or HDPE, and the material of outer tube includes nylon and/or Pebax.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710142837.3A CN106859729A (en) | 2017-03-10 | 2017-03-10 | One kind takes bolt mounting system |
| PCT/CN2018/078570 WO2018161959A1 (en) | 2017-03-10 | 2018-03-09 | Thrombectomy device system |
| US16/492,762 US11583302B2 (en) | 2017-03-10 | 2018-03-09 | Thrombectomy device system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710142837.3A CN106859729A (en) | 2017-03-10 | 2017-03-10 | One kind takes bolt mounting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106859729A true CN106859729A (en) | 2017-06-20 |
Family
ID=59171919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710142837.3A Pending CN106859729A (en) | 2017-03-10 | 2017-03-10 | One kind takes bolt mounting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106859729A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107496006A (en) * | 2017-09-22 | 2017-12-22 | 南京普微森医疗科技有限公司 | Take thrombus support |
| CN107789719A (en) * | 2017-11-13 | 2018-03-13 | 上海长海医院 | Without belly core thrombolysis catheter |
| CN108042176A (en) * | 2018-01-11 | 2018-05-18 | 恩脉（上海）医疗科技有限公司 | Take pin device |
| CN108245223A (en) * | 2018-01-22 | 2018-07-06 | 翎秀生物科技（上海）有限公司 | Take bolt stent |
| WO2018161959A1 (en) * | 2017-03-10 | 2018-09-13 | 上海心玮医疗科技有限公司 | Thrombectomy device system |
| CN109247969A (en) * | 2017-07-14 | 2019-01-22 | 上海心玮医疗科技有限公司 | One kind taking bolt device system |
| CN109350180A (en) * | 2018-11-12 | 2019-02-19 | 中国人民解放军总医院 | stent-like thrombectomy |
| CN110974351A (en) * | 2019-12-17 | 2020-04-10 | 禾木（中国）生物工程有限公司 | Curve opening thrombus taking device |
| CN110974350A (en) * | 2019-12-17 | 2020-04-10 | 禾木（中国）生物工程有限公司 | Bolt taking system |
| CN111513811A (en) * | 2020-04-28 | 2020-08-11 | 上海心玮医疗科技有限公司 | Asymmetric three-dimensional spiral embolectomy support |
| CN111544083A (en) * | 2020-05-19 | 2020-08-18 | 上海心玮医疗科技有限公司 | Double-deck bolt support of getting with adjustable net |
| CN113974778A (en) * | 2021-11-30 | 2022-01-28 | 上海心玮医疗科技股份有限公司 | Support system for coiling type multi-section developing bolt taking |
| CN114652394A (en) * | 2022-04-06 | 2022-06-24 | 苏州恒瑞宏远医疗科技有限公司 | Intravascular thrombus removal device |
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| CN101912289A (en) * | 2010-08-25 | 2010-12-15 | 成正辉 | Thrombus excider and preparation method and use method thereof |
| CN105662532A (en) * | 2016-01-06 | 2016-06-15 | 赵烜 | Blood-vessel embolectomy device with semi-closed structure and thrombus treating apparatus with the same |
| CN207575196U (en) * | 2017-03-10 | 2018-07-06 | 上海心玮医疗科技有限公司 | One kind takes bolt stent system |
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| CN101912289A (en) * | 2010-08-25 | 2010-12-15 | 成正辉 | Thrombus excider and preparation method and use method thereof |
| CN105662532A (en) * | 2016-01-06 | 2016-06-15 | 赵烜 | Blood-vessel embolectomy device with semi-closed structure and thrombus treating apparatus with the same |
| CN207575196U (en) * | 2017-03-10 | 2018-07-06 | 上海心玮医疗科技有限公司 | One kind takes bolt stent system |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018161959A1 (en) * | 2017-03-10 | 2018-09-13 | 上海心玮医疗科技有限公司 | Thrombectomy device system |
| US11583302B2 (en) | 2017-03-10 | 2023-02-21 | Shanghai Heartcare Medical Technology Co., Ltd. | Thrombectomy device system |
| CN109247969A (en) * | 2017-07-14 | 2019-01-22 | 上海心玮医疗科技有限公司 | One kind taking bolt device system |
| CN109247969B (en) * | 2017-07-14 | 2024-02-20 | 上海心玮医疗科技股份有限公司 | Thrombolysis device system |
| CN107496006A (en) * | 2017-09-22 | 2017-12-22 | 南京普微森医疗科技有限公司 | Take thrombus support |
| CN107789719A (en) * | 2017-11-13 | 2018-03-13 | 上海长海医院 | Without belly core thrombolysis catheter |
| CN107789719B (en) * | 2017-11-13 | 2024-04-02 | 上海长海医院 | Inner core-free thrombolysis catheter |
| CN108042176A (en) * | 2018-01-11 | 2018-05-18 | 恩脉（上海）医疗科技有限公司 | Take pin device |
| CN108245223A (en) * | 2018-01-22 | 2018-07-06 | 翎秀生物科技（上海）有限公司 | Take bolt stent |
| CN109350180A (en) * | 2018-11-12 | 2019-02-19 | 中国人民解放军总医院 | stent-like thrombectomy |
| CN109350180B (en) * | 2018-11-12 | 2021-06-15 | 中国人民解放军总医院 | stent-like thrombectomy |
| CN110974350A (en) * | 2019-12-17 | 2020-04-10 | 禾木（中国）生物工程有限公司 | Bolt taking system |
| CN110974351A (en) * | 2019-12-17 | 2020-04-10 | 禾木（中国）生物工程有限公司 | Curve opening thrombus taking device |
| CN111513811A (en) * | 2020-04-28 | 2020-08-11 | 上海心玮医疗科技有限公司 | Asymmetric three-dimensional spiral embolectomy support |
| CN111513811B (en) * | 2020-04-28 | 2021-05-11 | 上海心玮医疗科技股份有限公司 | Asymmetric three-dimensional spiral embolectomy support |
| CN111544083A (en) * | 2020-05-19 | 2020-08-18 | 上海心玮医疗科技有限公司 | Double-deck bolt support of getting with adjustable net |
| CN111544083B (en) * | 2020-05-19 | 2021-06-22 | 上海心玮医疗科技股份有限公司 | Double-deck bolt support of getting with adjustable net |
| WO2023284890A1 (en) * | 2021-11-30 | 2023-01-19 | 上海心玮医疗科技股份有限公司 | Roll-up retractable multi-section development and thrombectomy stent system |
| CN113974778B (en) * | 2021-11-30 | 2023-09-22 | 上海心玮医疗科技股份有限公司 | Crimping type multistage developing and thrombus taking support system |
| CN113974778A (en) * | 2021-11-30 | 2022-01-28 | 上海心玮医疗科技股份有限公司 | Support system for coiling type multi-section developing bolt taking |
| CN114652394A (en) * | 2022-04-06 | 2022-06-24 | 苏州恒瑞宏远医疗科技有限公司 | Intravascular thrombus removal device |
| CN114652394B (en) * | 2022-04-06 | 2025-04-15 | 苏州恒瑞宏远医疗科技有限公司 | Intravascular thrombus removal device |
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Inventor after: Liu Xinfeng Inventor after: Wang Guohui Inventor after: Wu Jianping Inventor after: Wang Zhen Inventor after: Zhou Erchen Inventor after: Xue Zongyu Inventor before: Wang Guohui Inventor before: Wu Jianping Inventor before: Wang Zhen Inventor before: Zhou Erchen Inventor before: Xue Zongyu |
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Address after: 201201 Room 201, building 4, No. 590, Ruiqing Road, Zhangjiang High Tech Industry East District, Pudong New Area, Shanghai Applicant after: Shanghai Xinwei Medical Technology Co.,Ltd. Address before: Room 503, 5 / F, building 6, No. 528, Ruiqing Road, Zhangjiang hi tech industry east district, Pudong New Area, Shanghai 201201 Applicant before: SHANGHAI XINWEI MEDICAL TECHNOLOGY Co.,Ltd. |