CN109480958A - It is a kind of to prevent that the flexible multi-pipe-diameter excessively cut takes bolt device - Google Patents
It is a kind of to prevent that the flexible multi-pipe-diameter excessively cut takes bolt device Download PDFInfo
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- CN109480958A CN109480958A CN201811462303.XA CN201811462303A CN109480958A CN 109480958 A CN109480958 A CN 109480958A CN 201811462303 A CN201811462303 A CN 201811462303A CN 109480958 A CN109480958 A CN 109480958A
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- 230000001427 coherent effect Effects 0.000 claims description 3
- 208000006011 Stroke Diseases 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 7
- 208000007536 Thrombosis Diseases 0.000 description 18
- 230000018109 developmental process Effects 0.000 description 18
- 210000004204 blood vessel Anatomy 0.000 description 16
- 230000002490 cerebral effect Effects 0.000 description 14
- 206010008190 Cerebrovascular accident Diseases 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- 239000008280 blood Substances 0.000 description 8
- 210000004369 blood Anatomy 0.000 description 8
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- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 4
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
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- 238000003466 welding Methods 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 229910000684 Cobalt-chrome Inorganic materials 0.000 description 1
- 208000032382 Ischaemic stroke Diseases 0.000 description 1
- 102000003990 Urokinase-type plasminogen activator Human genes 0.000 description 1
- 108090000435 Urokinase-type plasminogen activator Proteins 0.000 description 1
- 206010047249 Venous thrombosis Diseases 0.000 description 1
- WAIPAZQMEIHHTJ-UHFFFAOYSA-N [Cr].[Co] Chemical compound [Cr].[Co] WAIPAZQMEIHHTJ-UHFFFAOYSA-N 0.000 description 1
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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, 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
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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
- A61B17/22004—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 using mechanical vibrations, e.g. ultrasonic shock waves
- A61B17/22012—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 using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Vascular Medicine (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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Abstract
It is a kind of to prevent that the flexible multi-pipe-diameter excessively cut takes bolt device, including taking bolt unit pipes, it is described to take bolt unit pipes that there is crimped configuration and expansion form, it is described that bolt unit pipes setting at least two sections and being sequentially connected is taken to be integral, take bolt unit pipes to be respectively provided with different expansion form diameter described in wherein at least two sections.It is the configuration of the present invention is simple, easy to use, it is designed for the Chinese stroke patients with hemadostewnosis, generally has the advantages that operation wound is small, flexibility is good, radial support is good, positioned convenient for development, be easily assembled use, take bolt effect good.
Description
Technical field
The present invention relates to the field of medical instrument technology, specifically a kind of anti-flexible multi-pipe-diameter excessively cut takes bolt
Device.
Background technique
Cerebral apoplexy (cerebral stroke) is group using cerebral ischemic and heamorrhagic lesions symptom as main clinical manifestation
Disease, according to one on Circulation in 2017 the results show that the illness rate of China's stroke is 1114.8/10 ten thousand
People, national 14,940,000 people of number of patients.114.8/10 ten thousand person/year of the death rate, 1,540,000 people of death toll.Furthermore China's cerebral apoplexy
Number of patients at 8.7% constant increase.Cerebral apoplexy not only has a high incidence, high growth rate high lethality rate, but also
With high disability rate and high relapse rate.Cerebral apoplexy (cerebral stroke) is national lethal first killer in current China, and
The patient with cerebral apoplexy of about 60% ~ 80% survival can suffer from and different degrees of deformity, and serious person influences normal life, and has headstroke
The patient of medical history has 1/4 ~ 3/4 may recur in 2 ~ 5 years.
Cerebral apoplexy is divided into hemorrhagic apoplexy and blood loss cerebral apoplexy (ischemic stroke) two classes.Blood loss brain soldier
In account for about the 70% of cerebral apoplexy, due to blood supply insufficiency of brain, blood loss cerebral apoplexy leads to cerebral tissue function's obstacle and necrosis.Generally
For, thrombus (brain forms obstruction clot), embolism (embolism is formed from elsewhere), systemic blood supply insufficiency (generality system
System property blood supply insufficiency, such as suffer a shock) and phlebothrombosis be the main reason for forming blood loss cerebral apoplexy.
Timely and effectively dredging lesion blood vessel and the holding normal flux of affected area blood vessel are the passes for treating blood loss cerebral apoplexy
Key.Currently, general therapy is that arteriovenous drug thrombolysis hair and machinery take bolt method.Arteriovenous medicinal treatment generally uses affected area
The thrombolytics such as injection of tissue plasminogen activator (tissue plasminogen activator, tPA) or urokinase,
Although drug thrombolysis method receives to obtain being widely recognized as international organization, (intravenous pharmacy thrombolysis is needed for its requirement to time window
To be carried out in 3 hours after the onset, Arterial thrombolysis needs carry out in 6 hours after the onset) and to thrombus and lesion artery outer diameter
Requirement (general artery outer diameter is more than 8mm, is not suitable for practical drug thrombolysis) significantly limit the use scope of drug thrombolysis
And validity.However machinery takes bolt method to have the advantages that break these limitations, and can reach good therapeutic effect.Machinery takes bolt
The broken bolt method of laser in method is complicated for operation, and mechanical thrombus cutting is big to blood vessel nocuity, and catches bolt net and take bolt method easy to operate, right
Lesion blood vessel relative wound is small.Although catching bolt net takes bolt method excellent effect, design structure and processing to instrument are required
It is higher, the machinery used can be bought in the market and catches bolt device, to a certain extent, be difficult to meet the requirement of doctor and patient, it is special
Be not for most Chinese cerebral apoplexies with hemadostewnosis symptom, instrument in the market be extremely difficult to well to treat and
Wound is lesser as a result, often there is blood vessel bad adaptability, thrombus escape, structure flexibility and obdurability are difficult to balance etc. lacks
Point, capture effect are poor.
Summary of the invention
Technical purpose of the invention is to provide a kind of anti-flexible multi-pipe-diameter excessively cut and takes bolt device, solves tradition
Take the problem of thrombus capture effect difference existing for bolt instrument.
The specific technical solution of the present invention is as follows: it is a kind of to prevent that the flexible multi-pipe-diameter excessively cut takes bolt device, including take
Bolt unit pipes, it is described take bolt unit pipes have crimped configuration and expansion form, it is described take bolt unit pipes setting at least two sections and according to
Secondary connection is integral, and bolt unit pipes is taken to be respectively provided with different expansion form diameter described in wherein at least two sections.
Preferably, the value range of the expansion form diameter is 0.5 ~ 6mm.
Take bolt unit pipes that three sections and being sequentially connected are arranged to be integral preferably, described, with distally take bolt unit pipes, in
Between take bolt unit pipes and proximal end that bolt unit pipes is taken mutually to distinguish, the distal end takes bolt unit pipes, the proximal end to take bolt unit pipes
Expansion form diameter is greater than the expansion form diameter that the centre takes bolt unit pipes.
Preferably, it is 0.5 ~ 6mm, the proximal end that the distal end, which takes the value range of the expansion form diameter of bolt unit pipes,
The value range for taking the expansion form diameter of bolt unit pipes is 0.5 ~ 6mm, and the centre takes the expansion form diameter of bolt unit pipes
Value range be 0.4 ~ 5mm.
Preferably, described take bolt unit pipes to include a plurality of muscle line and multiple take bolt grid, institute by what the muscle line surrounded
Muscle line is stated on the axial direction for taking bolt unit pipes in coherent or interrupted sinusoidal waveform, it is described take in bolt unit pipes along
Its own axial direction is arranged with multi-turn circumferential direction grid annulus, and the circumferential direction grid annulus takes bolt grid circumferential array group by described
At.
Preferably, described in the same circumferential grid annulus takes the grid area of bolt grid all the same.
Preferably, at least there is contained described of two circles and take the grid area of bolt grid not in described take in bolt unit pipes
The identical circumferential grid annulus.
Preferably, the circumferential grid annulus distinguished there are two kinds, the net for taking bolt grid for being included
Lattice area differs one times.
Preferably, this two kinds circumferential grid annulus distinguished are handed over along the axial direction for taking bolt unit pipes
Mistake arrangement.
Preferably, the grid areal extent for taking bolt grid is 2 ~ 100mm2。
Preferably, taking the distal end for taking bolt unit pipes described in one section of bolt device starting to be additionally provided with abnormity guidance company as described
Section is connect, the abnormity guidance linkage section takes bolt unit pipes to be integrally formed with described；The abnormity guidance linkage section includes starter bar
Line and take bolt grid by multiple startings that the starter bar line surrounds, the starter bar line and the starting take bolt grid with it is described
Take the muscle line of bolt unit pipes identical with the structure setting for taking bolt grid；The abnormity guidance linkage section is in beveling
The irregular tubulose in section.
Preferably, the distal end of the abnormity guidance linkage section is connected with traction fiber.
Preferably, the abnormity guides on the starter bar line of linkage section, the muscle line for taking bolt unit pipes
The two of upper, described this three's whole of traction fiber or thrin or three are connected with development section.
Preferably, the abnormity guides the one or more starter bar line of linkage section, takes bolt device to rise as described
The one or more muscle line, this three's whole of the traction fiber or the thrin or three for taking bolt unit pipes of one section of beginning
The two of person are connected with head end region development section.
Preferably, except taking the described of one section of bolt device starting to take bolt unit pipes and take bolt device end as described as described in
It is taken except bolt unit pipes described in one section, the one or more muscle line of bolt unit pipes is taken to be connected with described in other at least sections
Body region development section.
Preferably, taking the one or more muscle line for taking bolt unit pipes described in one section of bolt device end to connect as described
It is connected to end edge region development section.
Preferably, adjacent described take is integrally formed between bolt unit pipes.
Preferably, take bolt unit pipes respectively independent segmented described in adjacent, it is each described that the end of bolt unit pipes is taken to set
There is removable connection component, the component that is detachably connected includes the first assembly unit and the second component list that multiple groups match
Member；
When it is described take bolt unit pipes that two sections is set when, first assembly unit connection takes bolt unit pipes described in the wherein section
One end, second assembly unit are connected to one end that bolt unit pipes are taken described in another section, adjacent described to take bolt unit pipes logical
It crosses the respective first assembly unit and second assembly unit cooperates and connects；
When it is described take bolt unit pipes be arranged more than two sections when, as it is described take bolt device starting one section described in take the close of bolt unit pipes
End connects the first assembly unit or second assembly unit, takes bolt unit described in one section of bolt device end as described take
The distal end of pipe connects the first assembly unit or second assembly unit, and takes the two of bolt unit pipes described in remaining every section
End is separately connected the first assembly unit, second assembly unit, adjacent described bolt unit pipes to be taken to pass through respective institute
It states first assembly unit and second assembly unit cooperates and connects.
Preferably, the first assembly unit includes being connected to the muscle line at least two for taking bolt unit tube end
Duan Zhizhu and the annular portion being connected on every section of pillar, second assembly unit include being connected to described to take bolt unit pipes
At least one joining section of the muscle line of end, the joining section include the first segment extended by the muscle line, by described
One section extend and passed around the second segment of all annular portions and extended by the second segment and spiral winding and fix
Return the third section on the first segment.
Preferably, belong between the annular portion of the same first assembly unit be connected with elastic connection section it
One.
Preferably, belong between the annular portion of the adjacent first assembly unit be connected with elastic connection section it
Two.
Technological merit of the invention is that the anti-flexible multi-pipe-diameter excessively cut takes that bolt device structure is simple, uses
It is convenient, it is designed for the Chinese stroke patients with hemadostewnosis, generally with operation wound is small, flexibility is good, radial
It supports, is positioned convenient for development, is easily assembled the advantages of use；For affected area narrow blood vessel, more piece design, difference expansion shape
The pipeline section of state diameter is for the vessel segment of the different narrow patient's condition, the capture for improving the adaptability to blood vessel, taking bolt object to difference
While ability, so that rationally effectively cutting and capturing thrombus to multiple target blood sections, prevents from completely shredding thrombus and divide
Block and cause thrombus to be escaped；The design for taking bolt grid of a variety of sizes is more advantageous to while guaranteeing good radial support power
Capture the thrombus of various volumes.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the partial structural diagram of the embodiment of the present invention；
Fig. 3 is the partial structural diagram of the embodiment of the present invention；
Fig. 4 is the partial structural diagram of the embodiment of the present invention；
Fig. 5 is the partial structural diagram of the embodiment of the present invention；
Corresponding each section title is numbered in figure be respectively as follows: 1- take bolt unit pipes, 11- muscle line, 12- takes bolt grid, 13- pillar,
14- annular portion, one of 141- elastic connection section, two, the 15- joining section of 142- elastic connection section, 2- abnormity guide linkage section,
21- starter bar line, 22- starting take bolt grid, 3- traction fiber, a- head end region development section, b- body region development section, c- tail end
Area development section.
Specific embodiment
Below in conjunction with attached drawing, by specific embodiment, the invention will be further described:
See Fig. 1, it is a kind of to prevent that the flexible multi-pipe-diameter excessively cut takes bolt device, including bolt unit pipes 1 are taken, take bolt unit pipes 1 to have
Have crimped configuration and expansion form, take bolt unit pipes 1 that three sections and being sequentially connected are set and be integral, with distally take bolt unit pipes,
Centre takes bolt unit pipes and proximal end that bolt unit pipes is taken mutually to distinguish, and bolt unit pipes, proximal end is distally taken to take the expansion shape of bolt unit pipes
State diameter is greater than the expansion form diameter that centre takes bolt unit pipes.Distal end takes the value of the expansion form diameter of bolt unit pipes to be
5mm, it is 5mm that proximal end, which takes the value of the expansion form diameter of bolt unit pipes, and centre takes taking for the expansion form diameter of bolt unit pipes
Value is 3mm.Three sections being arranged in this way take that bolt unit pipes 1 belong to compared with based on and one of complete function takes bolt device, take bolt unit
For the quantity setting routine of pipe 1, within 20, belong to more conventional.Thrombus accumulation in lesion blood vessel often has
Have greatly it is small, in the present embodiment can by different sections of the blood vessel for taking bolt unit pipes 1 to be pointedly placed in different sections carry out thrombus determine
Position capture, because preferably 1 caliber of bolt unit pipes is taken to seek to be relatively shorter than affected area blood vessels caliber, this to a certain extent may be used
Reduce vasopasm phenomenon to reduce metal contact area, at the same prevent from taking 1 caliber of bolt unit pipes excessive and caused by thrombus
Situation chopped occurs, i.e., so that taking the main body of bolt unit pipes 1 to be embedded in entire thrombi relatively stablely and driving entire blood
Bolt block, to avoid the generation of thrombus escape phenomenon occurred therewith.It is existing take bolt device be exactly show in this regard it is poor, it is right
The blood vessel bad adaptability of different stenotic conditions safely specific aim can not take bolt, and the unified caliber after taking bolt device to expand often makes
There must be some regions, vascular wall causes unwanted contact to react by different degrees of compressing, and thrombus thereon is easy complete
Chopping, it is difficult to be fixed and take out of and remain in the blood vessel.Technical solution of the present invention is directed to different lesions, can neatly specific aim
Ground is arranged and using accordingly bolt device is taken, and effectively reduces unwanted contact reaction, and while guarantee takes bolt range, improvement takes bolt effect,
Improve the compliance to blood vessel.
In conjunction with Fig. 2, Fig. 3, Fig. 4, takes bolt unit pipes 1 to include a plurality of muscle line 11 and multiple take bolt net by what muscle line 11 surrounded
Lattice 12, muscle line 11 on the axial direction for taking bolt unit pipes 1 in coherent or interrupted sinusoidal waveform, take in bolt unit pipes 1 along
Its own axial direction is arranged with multi-turn circumferential direction grid annulus, and circumferential grid annulus is by taking 12 circumferential array of bolt grid to form.It takes
Bolt device can pass through laser engraving by metal substrate (such as dilval, tungsten, tantalum, stainless steel, gold, cobalt chromium or other alloys), at
Type goes out the tubular structure with mesh, or by wire (such as dilval, tantalum wire, stainless steel wire, golden alloy wire wire)
It is woven into the tubular structure with mesh, muscle line 11 and the structure for taking bolt grid 12 are exactly to realize by both methods.
The grid area for taking bolt grid 12 in same circumferential direction grid annulus is all the same, the circumferential net distinguished there are two kinds
Lattice ring band, the grid area for taking bolt grid 12 for being included differ one times.This two kinds circumferential grid annulus distinguished along
The axial direction of bolt unit pipes 1 is taken to be staggered.Lesser in the diagram that is, basic shape for taking bolt grid 12 is approximate
For a diamond shape；And it is biggish, that is, more one times of grid area takes bolt grid 12 actually and can be designed to that two diamond shapes are big
Small takes bolt grid 12 substantially, is equivalent in structure and eliminates one section of muscle line 11, make two diamond shapes merge into one it is biggish flat
Row quadrangle clearly understood that the difference design and staggered pattern setting of this kind of grid area from diagram.In addition,
It is 10mm2 and 20mm2 that both, which take the grid area of bolt grid 12,.Such structure and size design are one more preferred
Scheme, can structure is simple be relatively easy to realization in the case where, take into account the submissive performance of tube body and radial support performance, make pipe
Body is integrally easy to form and stablizes use, can maximize the binding force for improving thrombus with taking bolt device.Of course, it is possible in aforementioned base
On plinth, similar greater or lesser change is made in terms of the grid area discrepancy for just taking bolt grid 12, differs integral multiple or non-whole
Several times can be with, and the not meaningless increase structure complexity and technique manufacture difficulty the case where, arrangement mode and sizing grid can be with
It is leaned on toward non-rule arrangement aspect, support performance and takes bolt effect relative performance more preferable.Different mesh areas can capture difference
The thrombus of size, enhancing capture thrombus ability, while different size of mesh can also provide different blood on three-dimensional space
Bolt consolidates twine, effectively provides the stability after thrombus captures in transport, and anti-tampon is detached from.
In conjunction with Fig. 1, Fig. 2, abnormity guidance linkage section is additionally provided with as the distal end for taking bolt unit pipes 1 for taking bolt device to originate one section
2, abnormity guidance linkage section 2 is integrally formed with bolt unit pipes 1 are taken；Abnormity guidance linkage section 2 is including starter bar line 21 and by originating
Multiple startings that muscle line 21 surrounds take bolt grid 22, and starter bar line 21 and starting take bolt grid 22 and take the muscle line of bolt unit pipes 1
It is identical with the structure setting of bolt grid 12 is taken；Abnormity guidance linkage section 2 is in the irregular tubulose with beveling section.Namely
It says, it is the same, only shape setting that the structure composition and unit of reality abnormity guidance linkage section 2, which design and take bolt unit pipes 1,
It is different.Abnormity guidance linkage section 2 can connect simultaneously shape with the junction of bolt unit pipes 1 is taken jointly for starter bar line 21 with muscle line 11
Take bolt grid 22 at same starting, take as bolt grid 12 public take bolt grid, naturally it is also possible to be only to be connected as one
Dowel section.Irregular tubulose herein leaves it is to be understood that being equivalent to after cylindrical tube sideling cuts away a part from side
Tube body.Shape when selection performance in the present embodiment is preferable, it can be understood as be equivalent to from the upper bottom surface of a round tube to
Chamfer to bottom surface inclination maximum, until be divided into symmetrical two halves, after each half tiling just as shown in similar triangle it is different
Shape guides 2 part of linkage section, and in the distal end of such abnormity guidance linkage section 2, that is, its subtriangular tip connects
It is connected to traction fiber 3, when setting can make that bolt device is taken to advance in curved blood vessel in this way, in the case where this is normal tubulose, is kept away
Exempt from because bolt device is taken to generate stress distal end in company with vascular bending into generation the phenomenon that cone-shaped.
In conjunction with Fig. 2, Fig. 3, Fig. 4, one or more starter bar line 21 of abnormity guidance linkage section 2, as taking bolt device to originate
One section of the one or more muscle line 11 for taking bolt unit pipes 1, this three's whole of traction fiber 3 or thrin or two connections of three
There is head end region development section a.Except taking bolt unit pipes 1 and take bolt as take one section of bolt device end as taking bolt device to originate one section
Except unit pipes 1, other at least sections take one or more muscle line 11 of bolt unit pipes 1 to be connected with body region development section b.Make
To take the one or more muscle line 11 for taking bolt unit pipes 1 at one section of bolt device end to be connected with end edge region development section c.The present embodiment
In, on traction fiber 3 and one section of abnormity guidance linkage section 2 and starting take that head end region has been all connected between bolt unit pipes 1 is aobvious
Shadow section a is connected to body region development section b on the biggish muscle line 11 for taking bolt grid 12 of composition that centre takes bolt unit pipes,
It is connected to end edge region development section c in the proximal end for taking bolt unit pipes 1 of end one end, multi-segmental contains development structure, entire body
Develop, and structure setting of developing also guarantees in the structure in convenient for operation while development positioning at reasonable effective position
Optimal setting, quantity and specific location setting rationally, take bolt device structural strength unaffected.Development structure, which is evenly distributed on, takes bolt
The circumference of device reaches maximum development effect on a circle, and development structure can be by by developability substance (such as platinum, gold, tantalum
Deng) welding or by the sex pilus that will develop (such as platinum, gold, tantalum develop silk) winding by way of and take bolt device be attached admittedly
It is fixed.
Bolt device is taken to can choose integrated molding or independent segmented.It, can although bolt device is taken to have multi-section structure when integrated molding
It is cut by laser by a root canal material, for this design of different calibers, post-processing can be done with mating mold and be formed；?
It can be woven with metal, alloy or polymer silk material, then later period mating mold does post-processing sizing；3D printing also can be used
It forms, the later period may be by existing mature technology using surface treatment, these modes to realize.It is independent segmented
When, aforementioned production method be suitable for individually each section, and it is adjacent between take bolt unit pipes 1 can be by welding, riveting, pressure
It is integral the existing connection type connection in this fields such as to hold, weave.
See Fig. 5, in the present embodiment, has and more specifically specially devise a kind of connection side for corresponding to independent segmented form
Formula.It is i.e. adjacent to take removable connection between bolt unit pipes 1, take the end of bolt unit pipes 1 to be equipped with removable connection component, detachably
Connection component includes the first assembly unit and the second assembly unit that multiple groups match；When taking bolt unit pipes 1 that two sections is arranged, the
The connection of one assembly unit takes one end of bolt unit pipes 1 in a wherein section, and the second assembly unit is connected to another section and takes bolt unit pipes 1
One end, it is adjacent to take that bolt unit pipes 1 pass through respective first assembly unit and the second assembly unit cooperates connection；When taking
When bolt unit pipes 1 are arranged more than two sections, first assembly unit is connected as the proximal end for taking bolt unit pipes 1 for taking bolt device to originate one section
Or second assembly unit, as the distal end connection first assembly unit for taking bolt unit pipes 1 for taking one section of bolt device end or second group
Part unit, and remaining every section takes the both ends of bolt unit pipes 1 to be separately connected first assembly unit, the second assembly unit, it is adjacent
It takes bolt unit pipes 1 to cooperate by respective first assembly unit and the second assembly unit to connect, 3 is provided in the present embodiment
Section takes bolt unit pipes, therefore selects the specific setting of the latter.
First assembly unit includes being connected at least two sections of pillars 13 of muscle line 11 for taking 1 end of bolt unit pipes and being connected to every
Annular portion 14 on Duan Zhizhu 13, the second assembly unit include at least one for being connected to the muscle line 11 for taking 1 end of bolt unit pipes
Joining section 15, the joining section 15 include the first segment extended by muscle line 11, are extended by first segment and passed around all annulus
The second segment in portion 14 and by second segment extend and spiral winding and fix back the third section on first segment.It can also be compared with from diagram
To be clearly understood from, the pillar 13 of first assembly unit is in forked, has a public point connection to take 1 end of bolt unit pipes
Muscle line 11(the junction is also the points of common connection for constituting certain muscle lines 11 for taking bolt grid 12 in fact), two annular portions 14
Presence, and can guarantee that connection is enough under relatively reasonable setting quantity and cost control with the connection of one section of joining section 15
Stablize, adaptation takes action situation of the bolt unit pipes 1 during push.Joining section 15 itself is thicker with respect to muscle line 11, on first segment
Spiral thread is set, and the winding of third section matches when returning with spiral thread, and first segment can be welded further with third section
Fixed, pillar 13 and joining section 15 itself can be integrally formed with muscle line 11, can also be processed and are formed by mold with the later period, such as welded
Connect equal usual manners.Be detachably connected component presence not only realize it is each it is independent segmented between connection, also can be realized needle
Flexible segmentation setting to different narrow blood vessels, moreover it is possible to which satisfaction takes bolt device bend, reverse during pushing in the blood vessels
Flexibility and stability required for situation.Further, belong between the annular portion 14 of the same first assembly unit and connect
One of flexible linkage section 141 belongs between the annular portion 14 of adjacent first assembly unit and is connected with the two of elastic connection section
142, flexibility and stability can be effectively improved, the bending for taking bolt unit pipes 1, torsion etc. is followed to act, is guaranteed stable and firm
Connection status and gentle smoothly movement realize.
Claims (13)
1. a kind of anti-flexible multi-pipe-diameter excessively cut takes bolt device, including takes bolt unit pipes (1), described to take bolt unit pipes
(1) there is crimped configuration and expansion form, it is characterised in that: described to take bolt unit pipes (1) setting at least two sections and be sequentially connected
It is integral, bolt unit pipes (1) is taken to be respectively provided with different expansion form diameter described in wherein at least two sections.
2. a kind of anti-flexible multi-pipe-diameter excessively cut according to claim 1 takes bolt device, it is characterised in that: described
The value range of expansion form diameter is 0.5 ~ 6mm.
3. a kind of anti-flexible multi-pipe-diameter excessively cut according to claim 1 takes bolt device, it is characterised in that: described
It takes bolt unit pipes (1) that three sections are arranged and are sequentially connected to be integral, distally to take bolt unit pipes, centre to take bolt unit pipes and proximal end
Bolt unit pipes are taken mutually to distinguish, the expansion form diameter that the distal end takes bolt unit pipes, the proximal end to take bolt unit pipes is greater than institute
State the intermediate expansion form diameter for taking bolt unit pipes.
4. a kind of anti-flexible multi-pipe-diameter excessively cut according to claim 3 takes bolt device, it is characterised in that: described
It is 0.5 ~ 6mm that distal end, which takes the value range of the expansion form diameter of bolt unit pipes, and the proximal end takes the expansion form of bolt unit pipes
The value range of diameter is 0.5 ~ 6mm, and it is 0.4 ~ 5mm that the centre, which takes the value range of the expansion form diameter of bolt unit pipes,.
5. a kind of anti-flexible multi-pipe-diameter excessively cut according to claim 1 takes bolt device, it is characterised in that: described
Take bolt unit pipes (1) include a plurality of muscle line (11) and by the muscle line (11) surround it is multiple take bolt grid (12), the muscle line
(11) described to take on bolt unit pipes (1) in coherent or interrupted sinusoidal waveform on the axial direction for taking bolt unit pipes (1)
It is arranged with multi-turn circumferential direction grid annulus along its own axial direction, the circumferential direction grid annulus takes bolt grid (12) all by described
To rearranging.
6. a kind of anti-flexible multi-pipe-diameter excessively cut according to claim 2 takes bolt device, it is characterised in that: same
Take the grid area of bolt grid (12) all the same described in the circumferential direction grid annulus；It is described to take on bolt unit pipes (1) at least
There are two circles it is contained described in take the different circumferential grid annulus of grid area of bolt grid (12).
7. a kind of anti-flexible multi-pipe-diameter excessively cut according to claim 4 takes bolt device, it is characterised in that: exist
Two kinds of circumferential grid annulus distinguished, the grid area for taking bolt grid (12) for being included differ one times；It should
Two kinds of circumferential grid annulus distinguished are staggered along the axial direction for taking bolt unit pipes (1).
8. a kind of according to claim 5 or 6 or 7 prevent that the flexible multi-pipe-diameter excessively cut takes bolt device, feature exists
In: the grid areal extent for taking bolt grid (12) is 2 ~ 100mm2。
9. a kind of anti-flexible multi-pipe-diameter excessively cut according to claim 5 takes bolt device, it is characterised in that: as
Described to take the described of one section of bolt device starting that the distal end of bolt unit pipes (1) is taken to be additionally provided with abnormity guidance linkage section (2), the abnormity draws
It leads linkage section (2) and takes bolt unit pipes (1) to be integrally formed with described；Abnormity guidance linkage section (2) includes starter bar line (21)
It is taken bolt grid (22) with the multiple startings surrounded by the starter bar line (21), the starter bar line (21) and the starting take bolt
Grid (22) is identical as the muscle line for taking bolt unit pipes (1) and the structure setting for taking bolt grid (12)；It is described different
It is in the irregular tubulose with beveling section that shape, which guides linkage section (2),；The distal end of abnormity guidance linkage section (2), which is connected with, leads
Draw silk (3).
10. a kind of anti-flexible multi-pipe-diameter excessively cut according to claim 9 takes bolt device, it is characterised in that: institute
State abnormity guidance linkage section (2) the starter bar line (21) on, on the muscle line (11) for taking bolt unit pipes (1), institute
State this three's whole of traction fiber (3) or thrin or three two are connected with development section.
11. a kind of anti-flexible multi-pipe-diameter excessively cut according to claim 5 takes bolt device, it is characterised in that: phase
It takes described in neighbour and is integrally formed between bolt unit pipes (1)；Or it is adjacent it is described take bolt unit pipes (1) respectively independent segmented, each
The end for taking bolt unit pipes (1) is equipped with removable connection component, and the component that is detachably connected includes what multiple groups matched
First assembly unit and the second assembly unit, specifically,
When it is described take bolt unit pipes (1) that two sections is set when, first assembly unit connection takes bolt unit described in a section wherein
The one end of (1) is managed, second assembly unit is connected to one end that bolt unit pipes (1) is taken described in another section, adjacent described to take
Bolt unit pipes (1) are cooperated by the respective first assembly unit and second assembly unit and are connected；
When it is described take bolt unit pipes (1) be arranged more than two sections when, as it is described take bolt device starting one section described in take bolt unit pipes
(1) proximal end connects the first assembly unit or second assembly unit, takes described in one section of bolt device end as described
It takes the distal end of bolt unit pipes (1) to connect the first assembly unit or second assembly unit, and is taken described in remaining every section
The both ends of bolt unit pipes (1) are separately connected the first assembly unit, second assembly unit, adjacent described to take bolt unit
It manages (1) and passes through the respective first assembly unit and second assembly unit mutual cooperation connection.
12. a kind of anti-flexible multi-pipe-diameter excessively cut according to claim 13 takes bolt device, it is characterised in that: institute
State first assembly unit include be connected to the muscle line (11) at least two sections of pillars (13) for taking bolt unit pipes (1) end and
The annular portion (14) being connected on every section of pillar (13), second assembly unit include being connected to described to take bolt unit pipes
(1) at least one joining section (15) of the muscle line (11) of end, the joining section (15) include being extended by the muscle line (11)
First segment out, the second segment for being extended by the first segment and passing around all annular portions (14) and by the second segment
Extend simultaneously spiral winding and fixes back the third section on the first segment.
13. a kind of anti-flexible multi-pipe-diameter excessively cut according to claim 14 takes bolt device, it is characterised in that: belong to
One of elastic connection section (141) are connected between the annular portion (14) of the same first assembly unit；Or/and
And belong to two (142) that elastic connection section is connected between the annular portion (14) of the adjacent first assembly unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811462303.XA CN109480958B (en) | 2018-12-03 | 2018-12-03 | Multi-adaptability multi-tube-diameter thrombus taking device capable of preventing excessive cutting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811462303.XA CN109480958B (en) | 2018-12-03 | 2018-12-03 | Multi-adaptability multi-tube-diameter thrombus taking device capable of preventing excessive cutting |
Publications (2)
| Publication Number | Publication Date |
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| CN109480958A true CN109480958A (en) | 2019-03-19 |
| CN109480958B CN109480958B (en) | 2023-12-01 |
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| CN201811462303.XA Active CN109480958B (en) | 2018-12-03 | 2018-12-03 | Multi-adaptability multi-tube-diameter thrombus taking device capable of preventing excessive cutting |
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| 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 |
| WO2021136350A1 (en) * | 2019-12-30 | 2021-07-08 | 杭州德诺脑神经医疗科技有限公司 | Thrombus retrieving stent and thrombus retrieving system |
| CN113116455A (en) * | 2019-12-31 | 2021-07-16 | 辽宁垠艺生物科技股份有限公司 | High-support high-compliance net pipe structure |
| CN113116461A (en) * | 2019-12-30 | 2021-07-16 | 杭州德诺脑神经医疗科技有限公司 | Thrombus taking device and thrombus taking system |
| CN113116462A (en) * | 2019-12-30 | 2021-07-16 | 杭州德诺脑神经医疗科技有限公司 | Thrombectomy support and thrombectomy system |
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