CN106955140A - One kind takes bolt support and thrombus withdrawing device - Google Patents
One kind takes bolt support and thrombus withdrawing device Download PDFInfo
- Publication number
- CN106955140A CN106955140A CN201710322315.1A CN201710322315A CN106955140A CN 106955140 A CN106955140 A CN 106955140A CN 201710322315 A CN201710322315 A CN 201710322315A CN 106955140 A CN106955140 A CN 106955140A
- Authority
- CN
- China
- Prior art keywords
- closed loop
- loop net
- net unit
- bolt support
- thrombus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 208000007536 Thrombosis Diseases 0.000 title claims abstract description 34
- 238000011161 development Methods 0.000 claims description 5
- 238000013461 design Methods 0.000 abstract description 7
- 230000002792 vascular Effects 0.000 abstract description 6
- 230000000638 stimulation Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 208000006011 Stroke Diseases 0.000 description 7
- 206010008190 Cerebrovascular accident Diseases 0.000 description 5
- 239000000463 material Substances 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
- 210000004204 blood vessel 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
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000002008 hemorrhagic effect Effects 0.000 description 2
- 238000002601 radiography Methods 0.000 description 2
- 206010008092 Cerebral artery thrombosis Diseases 0.000 description 1
- 206010059109 Cerebral vasoconstriction Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 208000005392 Spasm Diseases 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000009954 braiding Methods 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
- 230000003467 diminishing effect Effects 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
- 229920002457 flexible plastic Polymers 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007917 intracranial administration Methods 0.000 description 1
- 208000001286 intracranial vasospasm Diseases 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
- 238000003698 laser cutting Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910001000 nickel titanium Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000012781 shape memory material Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 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
-
- 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
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention relates to technical field of medical instruments, more particularly to a kind of thrombus withdrawing device for taking bolt support and bolt support being taken with this, first, the design for taking bolt support to be arranged alternately in effective active section using the size mesh of the first closed loop net unit and the second closed loop net unit, wherein, small mesh has higher radial support power, grappling it can live vascular wall and embedded thrombus rapidly, add the stability of thrombus capture, reduce the possibility of thrombus escape, the radial support power of big mesh is weaker, reduces the excessive stimulation to vascular wall, it is to avoid vasopasm；Secondly, the cone cylinder structure design in bolt mount proximal end region is taken, remote area thrombus when withdrawing can be effectively made up and be shifted over；Finally, take the first closed loop net unit and the second closed loop net unit in bolt rack far end region to be constituted by sine wave bar, effectively increase the compliance and adherence quality of rack body.
Description
Technical field
The present invention relates to technical field of medical instruments, more particularly to a kind of thrombus for taking bolt support and bolt support being taken with this
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,
Serious harm 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 the 1st 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 arrives in 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 the current bolt that takes is filled
The working portion put, which is not designed, effectively prevents the design of thrombus breaks loose, causes the thrombus during bolt is taken easily to come off；Take bolt
The compliance of device is all relatively poor, it is impossible to which the blood vessel with encephalic complicated bend is well adherent, causes thrombus easily to come off, and hold
The cerebrovascular is easily set to occur spasm；It is all only to design single development point to take pin device, it is impossible to judge in art the release of support with
Expansion status, is unfavorable for operation during surgical.
The content of the invention
Bolt support is taken it is an object of the invention to provide one kind, passes through the small mesh of remote area and staggeredly setting for big mesh
Meter, it is smaller to solve radial support power when prior art arrests thrombus, the problem of thrombus easily comes off when rack body is withdrawn.
It is still another object of the present invention to provide a kind of with the above-mentioned thrombus withdrawing device for taking bolt support.
For up to this purpose, the present invention uses following technical scheme：
One kind takes bolt support, including the circumferential rack body from volume expansion along its longitudinal axis, and the rack body is included successively
The remote area of connection and the proximal end region being connected with push rod, the remote area include the first closed loop net unit and second
Closed loop net unit, multiple first closed loop net units and multiple second closed loop net units connect to form tube-in-tube structure, institute
Proximal end region is stated in cone cylinder structure, the mesh of the first closed loop net unit is less than the mesh of the second closed loop net unit.
Preferably, multiple first closed loop net units and multiple second closed loop net units connect to be formed clockwise
Or counter-clockwise helical tube-in-tube structure.
Preferably, along the hand of helix of screw sheel structure, the single first closed loop net unit with it is single described
Second closed loop net unit is in be intervally arranged.
Preferably, along the axis direction of screw sheel structure, single first closed loop net unit and double second closed loop net
Unit is in be intervally arranged.
Preferably, along the axis direction of screw sheel structure, double first closed loop net unit and single second closed loop net
Unit is in be intervally arranged.
Preferably, along the circumferential direction of screw sheel structure, single first closed loop net unit and single second closed loop net
Unit interval is arranged.
Preferably, along the circumferential direction of screw sheel structure, double first closed loop net unit and single second closed loop net
Unit interval is arranged.
Preferably, the first closed loop net unit include two parallel sinusoidal long wave bars and be connected to it is described just
The head end of the chord length ripple bar sinusoidal shortwave bar parallel with two of tail end, two sinusoidal long wave bars and two sinusoidal shortwave bars are enclosed
Into class quadrilateral structure；The second closed loop net unit includes two parallel sinusoidal long wave bars, is connected to along its length just
Connection ripple bar on chord length ripple bar one end with to be connected to the sinusoidal long wave bar parallel with two of the two ends of connection ripple bar
Sinusoidal shortwave bar, two sinusoidal long wave bars, two sinusoidal shortwave bars and two connection ripple bars enclose class hexagonal structure.
Preferably, the proximal end region is oblique cone cylindrical structure, and the summit to base of oblique cone cylindrical structure
Most short sideline and the extended line of push rod coincide, and avoid proximal end region caliber when withdrawing from diminishing to form the gradient.
A kind of thrombus withdrawing device, including bolt support is taken described in any of the above, the proximal end region for taking bolt support
By fettering point connection push rod, the outer cover of the push rod is described provided with bolt support can will be taken to be pressed into the microtubular in it
Microtubular is connected by microtubular connector with importing sheath；Development structure is also distributed with described take on bolt support.
Beneficial effects of the present invention：
What the present invention was provided takes bolt support, first, and the first closed loop net unit and the second closed loop net are used in effective active section
The design that the size mesh of unit is arranged alternately, wherein, small mesh has higher radial support power, grappling can live blood rapidly
Tube wall and embedded thrombus, add the stability of thrombus capture, reduce the possibility of thrombus escape, the radial support power of big mesh
It is weaker, reduce the excessive stimulation to vascular wall, it is to avoid vasopasm；Secondly, the cone cylinder structure design of proximal end region, Neng Gouyou
Effect makes up remote area thrombus when withdrawing and is shifted over；Finally, the first closed loop net unit and the second closed loop net unit are by just
String ripple bar is constituted, and effectively increases the compliance and adherence quality of rack body.
Brief description of the drawings
Fig. 1 is the structural representation one for taking bolt support that the embodiment of the present invention one is provided；
Fig. 2 is the structural representation two for taking bolt support that the embodiment of the present invention one is provided；
Fig. 3 is the structural representation for the second closed loop net unit that the embodiment of the present invention one is provided；
Fig. 4 is the structural representation one for taking bolt support that the embodiment of the present invention two is provided；
Fig. 5 is the structural representation two for taking bolt support that the embodiment of the present invention two is provided；
Fig. 6 is the structural representation one for taking bolt support that the embodiment of the present invention three is provided；
Fig. 7 is the structural representation two for taking bolt support that the embodiment of the present invention three is provided；
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；110- remote areas；120- proximal end regions；111- the first closed loop net units；112- second is closed
Ring-main unit；113- sine long wave bars；114- sine shortwave bars；115- connection ripple bars；
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 one kind and takes bolt support, and Fig. 1 to Fig. 3 shows embodiment one, including circumferential autologous swollen along its longitudinal axis
Swollen rack body 100, rack body 100 includes the remote area 110 being sequentially connected and the near-end being connected with push rod 200
Region 120, wherein, remote area 110 is effective active section of rack body 100, and remote area 110 includes the first closed loop net list
The closed loop net unit 112 of member 111 and second, multiple first closed loop net units 111 and the connection of multiple second closed loop net units 112 are formed
Tube-in-tube structure, it is preferred that multiple first closed loop net units 111 and multiple second closed loop net units 112 connection formed clockwise or
Counter-clockwise helical tube-in-tube structure.
In the present embodiment, referring to Fig. 2, along the hand of helix of screw sheel structure, single first closed loop net unit 111
It is in be intervally arranged with single second closed loop net unit 112.
The mesh of first closed loop net unit 111 is less than the mesh of the second closed loop net unit 112, therefore, the first closed loop net list
The radial support power of member 111 is more than the radial support power of the second closed loop net unit 112.Diseased region is reached in rack body 100
Afterwards, rack body 100 is released out of microtubular, and the first closed loop net unit 111 has higher radial support power, can anchor rapidly
Surely vascular wall and embedded thrombus are lived, the stability of thrombus capture is added, reduces the possibility of thrombus escape, the second closed loop net list
The weaker radial support power of member 112 is to reduce the excessive stimulation to vascular wall, it is to avoid vasopasm.
The structure of closed loop net unit can be common mesh-shape closing structure, the shape of mesh can be circle, rhombus,
The shapes such as hexagon, in the specific implementation, for the compliance and patch of the one-piece auger structure that further increases rack body 100
Wall, referring to Fig. 2 and Fig. 3, the first closed loop net unit 111 includes two parallel sinusoidal long wave bars 113 and is connected to just
The head end of the chord length ripple bar 113 sinusoidal shortwave bar 114 parallel with two of tail end, two sinusoidal long wave bars 113 and two sines
Shortwave bar 114 encloses class quadrilateral structure；Second closed loop net unit 112 includes two parallel sinusoidal long wave bars 113, along length
Connection ripple bar 115 and be connected to sinusoidal long wave bar 113 and connection ripple that degree direction is connected on sinusoidal one end of long wave bar 113
Two parallel sinusoidal shortwave bars 114 at the two ends of bar 115, two sinusoidal long wave bars 113, two sinusoidal shortwave bars 114 and two
Individual connection ripple bar 115 encloses class hexagonal structure.The structure of first closed loop net unit 111 and the second closed loop net unit 112 is set
Meter, effectively increases the compliance of rack body 100, can reduce the stimulation to blood vessel, reduces cerebrovascular spasm.
In addition, in order to prevent proximal end region 120 during withdrawing, it is overall because rack body 100 is influenceed by power is withdrawn
Caliber diminishes or twisted together, and proximal end region 120 is designed as into cone cylinder structure, it is preferred that proximal end region 120 is oblique cone cartridge type knot
Structure, and the summit of oblique cone cylindrical structure coincides to the most short sideline on base and the extended line of push rod, to form the gradient
The caliber when withdrawing of proximal end region 120 is avoided to diminish.The slope design of oblique cone cylindrical structure, which can be obstructed effectively, withdraws power transmission
To the circumference of whole rack body 100, so as to avoid thrombus caducous phenomenon during being withdrawn.Meanwhile, oblique cone
The summit of cylindrical structure coincides to the most short sideline on base and the extended line of push rod, the tractive force collection of rack body 100
In on the extended line where push rod, it is ensured that the caliber of rack body 100 is constant.
Rack body 100 can be made up of niti material or processing of high molecular material, can specifically pass through laser cutting
NiTi tubing is formed, and can also be formed by laser cut Nitin sheet material and then curling thermal finalization, further can also be by nickel
The braiding of titanium silk material is formed；Or flexible plastic material can also be used to process.
Embodiment two
Fig. 4 to Fig. 5 shows 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.It is in place of difference, first
Closed loop net unit 111 is different from the arrangement form of the second closed loop net unit 112.
In the present embodiment, along the axis direction of screw sheel structure, single first closed loop net unit 111 and double second
Closed loop net unit 112 is in be intervally arranged；Or, between double first closed loop net unit 111 and single second closed loop net unit 112 are in
Every arrangement.
Embodiment three
Fig. 6 and Fig. 7 show embodiment three, wherein identical with embodiment one or corresponding parts are used and embodiment one
Corresponding reference.For simplicity, the distinctive points of embodiment three and embodiment one are only described.It is in place of difference, first
Closed loop net unit 111 is different from the arrangement form of the second closed loop net unit 112.
In the present embodiment, along the circumferential direction of screw sheel structure, single first closed loop net unit 111 and single second
Closed loop net unit 112 is intervally arranged；Or, double first closed loop net unit 111 is spaced with single second closed loop net unit 112 and arranged
Cloth.
Example IV
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
Development takes bolt support entirely, takes the proximal end region 120 of bolt support to be connected by fettering point 600 outside a push rod 200, push rod 200
Portion is arranged with the microtubular 500 that bolt support can will be taken to be pressed into it, and microtubular 500 is by microtubular connector with importing sheath
400 connections.The rack body 100 is strapped in push rod 200, constraint point 600 constraint developing ring or the beam for the filament winding that develops
Tie up spring to fix, fixed form can be that welding, riveting or pressure are held.Development structure is also distributed with rack body 100, is used to
Arrest and withdraw process whether there is the carry out Real Time Observation that comes off to thrombus when taking bolt, to instruct specifically to take bolt microtechnique,
So that taking bolt more accurate.The structure and operation principle for taking bolt support will not be repeated here referring to above-described embodiment.
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 100 be discharged in distal end, and rack body 100 is flicking grappling firmly vascular wall in distal end, it is then slow before push
Bar 200, while withdrawing microtubular 500 under reaction force, discharges the tension force of microtubular 500, repeatedly until rack body
100 all releases.
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 200, withdraw and take bolt support to capture thrombus, until bolt support will be taken together with microtubular
500 withdraw and withdraw from external in the lump, 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.
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 modification, equivalent and improvement 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. one kind takes bolt support, it is characterised in that including the circumferential rack body from volume expansion along its longitudinal axis, the rack body
Including the remote area being sequentially connected and the proximal end region being connected with push rod, the remote area includes the first closed loop net list
Member and the second closed loop net unit, multiple first closed loop net units and multiple second closed loop net units connect to form sleeve
Structure, the proximal end region is in cone cylinder structure, and the mesh of the first closed loop net unit is less than the second closed loop net unit
Mesh.
2. according to claim 1 take bolt support, it is characterised in that multiple first closed loop net units and multiple described
Second closed loop net unit connects to form screw sheel structure clockwise or counterclockwise.
3. according to claim 2 take bolt support, it is characterised in that single along the hand of helix of screw sheel structure
The first closed loop net unit is in be intervally arranged with the single second closed loop net unit.
4. according to claim 2 take bolt support, it is characterised in that along the axis direction of screw sheel structure, single
One closed loop net unit is in be intervally arranged with double second closed loop net unit.
5. according to claim 2 take bolt support, it is characterised in that along the axis direction of screw sheel structure, double
One closed loop net unit is in be intervally arranged with single second closed loop net unit.
6. according to claim 2 take bolt support, it is characterised in that along the circumferential direction of screw sheel structure, single
One closed loop net unit is intervally arranged with single second closed loop net unit.
7. according to claim 2 take bolt support, it is characterised in that along the circumferential direction of screw sheel structure, double
One closed loop net unit is intervally arranged with single second closed loop net unit.
8. according to claim 1 take bolt support, it is characterised in that the first closed loop net unit include two it is parallel
The sinusoidal long wave bar sinusoidal shortwave bar parallel with two of tail end with the head end for being connected to the sinusoidal long wave bar, two just
Chord length ripple bar and two sinusoidal shortwave bars enclose class quadrilateral structure；The second closed loop net unit include two it is parallel just
Chord length ripple bar, the connection ripple bar being connected to along its length on sinusoidal long wave bar one end and it is connected to the sinusoidal long wave bar
With two parallel sinusoidal shortwave bars at the two ends of connection ripple bar, two sinusoidal long wave bars, two sinusoidal shortwave bars and two companies
Connect ripple bar and enclose class hexagonal structure.
9. according to claim 1 take bolt support, it is characterised in that the proximal end region is oblique cone cylindrical structure, and
The summit of oblique cone cylindrical structure coincides to the most short sideline on base and the extended line of push rod, is avoided closely with forming the gradient
End regions caliber when withdrawing diminishes.
10. a kind of thrombus withdrawing device, it is characterised in that described including taking bolt support as described in claim any one of 1-9
Take the proximal end region of bolt support by fettering point connection push rod, the outer cover of the push rod, which is provided with, can will take bolt support to be pressed into
Microtubular in it, the microtubular is connected by microtubular connector with importing sheath；Described takes also be distributed with bolt support
Development structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710322315.1A CN106955140B (en) | 2017-05-09 | 2017-05-09 | Thrombus taking support and thrombus taking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710322315.1A CN106955140B (en) | 2017-05-09 | 2017-05-09 | Thrombus taking support and thrombus taking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106955140A true CN106955140A (en) | 2017-07-18 |
| CN106955140B CN106955140B (en) | 2023-07-25 |
Family
ID=59482879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710322315.1A Active CN106955140B (en) | 2017-05-09 | 2017-05-09 | Thrombus taking support and thrombus taking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106955140B (en) |
Cited By (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108158630A (en) * | 2018-02-26 | 2018-06-15 | 上海加奇生物科技苏州有限公司 | A kind of Intravascular Thrombus catching device |
| CN108433781A (en) * | 2018-03-30 | 2018-08-24 | 刘振生 | A kind of intracranial vessel pincers formula takes pin device |
| CN109480958A (en) * | 2018-12-03 | 2019-03-19 | 魏铭 | It is a kind of to prevent that the flexible multi-pipe-diameter excessively cut takes bolt device |
| CN109965940A (en) * | 2017-12-28 | 2019-07-05 | 先健科技(深圳)有限公司 | One kind taking bolt 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 |
| CN112043347A (en) * | 2020-09-16 | 2020-12-08 | 江苏暖阳医疗器械有限公司 | Integrated embolectomy support |
| CN112168286A (en) * | 2020-11-16 | 2021-01-05 | 杭州诺礼医疗器械有限公司 | Thrombectomy support, thrombectomy device and thrombectomy system |
| CN112168284A (en) * | 2020-11-16 | 2021-01-05 | 杭州诺礼医疗器械有限公司 | Thrombectomy support, thrombectomy device and thrombectomy system |
| CN112890915A (en) * | 2020-12-30 | 2021-06-04 | 上海融脉医疗科技有限公司 | Intravascular multi-segment embolectomy support and conveying device thereof |
| 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 |
| CN113633343A (en) * | 2020-04-27 | 2021-11-12 | 先健科技(深圳)有限公司 | Thrombus taking device |
| 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 |
| CN114098894A (en) * | 2021-10-13 | 2022-03-01 | 广东博迈元通医疗科技有限公司 | Dilator for thrombus removal support, thrombus removal device and thrombus removal method |
| CN114206408A (en) * | 2019-06-05 | 2022-03-18 | 施菲姆德控股有限责任公司 | Catheter blood pump and methods of use and manufacture thereof |
| CN114191154A (en) * | 2022-02-18 | 2022-03-18 | 天津市环湖医院 | Integrated plug taking support with gradually-changed diameter |
| CN114451959A (en) * | 2022-01-12 | 2022-05-10 | 北京泰杰伟业科技有限公司 | Thrombus catching device |
| WO2022100734A1 (en) * | 2020-11-16 | 2022-05-19 | 杭州德诺脑神经医疗科技有限公司 | Thrombus-taking stent, thrombus-taking device and thrombus-taking system |
| CN114601608A (en) * | 2022-04-20 | 2022-06-10 | 首都医科大学附属北京天坛医院 | Blood vessel stent and stent component |
| 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 |
| CN115120302A (en) * | 2018-01-30 | 2022-09-30 | 上海沃比医疗科技有限公司 | Thrombus capture device and method therefor |
| CN115151205A (en) * | 2019-12-18 | 2022-10-04 | 伊纳里医疗有限公司 | Devices and methods for treating vascular occlusion |
| 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 |
| US11964145B2 (en) | 2019-07-12 | 2024-04-23 | Shifamed Holdings, Llc | Intravascular blood pumps and methods of manufacture and use |
| CN118557259A (en) * | 2024-08-02 | 2024-08-30 | 深圳佰特微医疗科技有限公司 | Thrombectomy Device |
| US12076545B2 (en) | 2018-02-01 | 2024-09-03 | Shifamed Holdings, Llc | Intravascular blood pumps and methods of use and manufacture |
| US12102815B2 (en) | 2019-09-25 | 2024-10-01 | Shifamed Holdings, Llc | Catheter blood pumps and collapsible pump housings |
| US12121713B2 (en) | 2019-09-25 | 2024-10-22 | Shifamed Holdings, Llc | Catheter blood pumps and collapsible blood conduits |
| US12161857B2 (en) | 2018-07-31 | 2024-12-10 | Shifamed Holdings, Llc | Intravascular blood pumps and methods of use |
| US12220570B2 (en) | 2018-10-05 | 2025-02-11 | Shifamed Holdings, Llc | Intravascular blood pumps and methods of use |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030018355A1 (en) * | 2001-07-02 | 2003-01-23 | Katsuya Goto | Intravascular obstruction removing wire and medical instrument |
| CN103284775A (en) * | 2013-06-04 | 2013-09-11 | 加奇生物科技(上海)有限公司 | Encephalic thrombosis removing device |
| CN103417258A (en) * | 2012-05-14 | 2013-12-04 | 上海微创医疗器械（集团）有限公司 | Intracranial vascular thrombus removal equipment |
| CN103547235A (en) * | 2011-02-04 | 2014-01-29 | 同心医疗公司 | Vascular and bodily duct treatment devices and methods |
| CN103997976A (en) * | 2011-12-16 | 2014-08-20 | 斯瑞克公司 | Embolectomy cage |
| CN104000635A (en) * | 2013-02-21 | 2014-08-27 | 微创神通医疗科技（上海）有限公司 | Clot retriever and clot retrieval device |
| CN105476689A (en) * | 2015-12-28 | 2016-04-13 | 威海维心医疗设备有限公司 | Thrombus extraction support device |
| CN105662534A (en) * | 2016-01-06 | 2016-06-15 | 赵烜 | Blood vessel thrombus-taking device with spine-shaped structures and thrombus therapeutic instrument 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 |
| CN205339057U (en) * | 2016-01-06 | 2016-06-29 | 赵烜 | Blood vessel thrombectomy device and thrombus therapeutic instrument with thorn column structure |
| CN106580397A (en) * | 2016-12-20 | 2017-04-26 | 北京久事神康医疗科技有限公司 | Sectional thrombus extraction device and thrombus extraction method making use of thrombus extraction device |
| CN207520180U (en) * | 2017-05-09 | 2018-06-22 | 心凯诺医疗科技(上海)有限公司 | One kind takes bolt stent and thrombus withdrawing device |
-
2017
- 2017-05-09 CN CN201710322315.1A patent/CN106955140B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030018355A1 (en) * | 2001-07-02 | 2003-01-23 | Katsuya Goto | Intravascular obstruction removing wire and medical instrument |
| CN103547235A (en) * | 2011-02-04 | 2014-01-29 | 同心医疗公司 | Vascular and bodily duct treatment devices and methods |
| CN103997976A (en) * | 2011-12-16 | 2014-08-20 | 斯瑞克公司 | Embolectomy cage |
| CN103417258A (en) * | 2012-05-14 | 2013-12-04 | 上海微创医疗器械（集团）有限公司 | Intracranial vascular thrombus removal equipment |
| WO2014127738A1 (en) * | 2013-02-21 | 2014-08-28 | 微创神通医疗科技（上海）有限公司 | Thrombectomy device and thrombectomy equipment |
| CN104000635A (en) * | 2013-02-21 | 2014-08-27 | 微创神通医疗科技（上海）有限公司 | Clot retriever and clot retrieval device |
| CN103284775A (en) * | 2013-06-04 | 2013-09-11 | 加奇生物科技(上海)有限公司 | Encephalic thrombosis removing device |
| CN105476689A (en) * | 2015-12-28 | 2016-04-13 | 威海维心医疗设备有限公司 | Thrombus extraction support device |
| CN105662534A (en) * | 2016-01-06 | 2016-06-15 | 赵烜 | Blood vessel thrombus-taking device with spine-shaped structures and thrombus therapeutic instrument 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 |
| CN205339057U (en) * | 2016-01-06 | 2016-06-29 | 赵烜 | Blood vessel thrombectomy device and thrombus therapeutic instrument with thorn column structure |
| CN106580397A (en) * | 2016-12-20 | 2017-04-26 | 北京久事神康医疗科技有限公司 | Sectional thrombus extraction device and thrombus extraction method making use of thrombus extraction device |
| CN207520180U (en) * | 2017-05-09 | 2018-06-22 | 心凯诺医疗科技(上海)有限公司 | One kind takes bolt stent and thrombus withdrawing device |
Cited By (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109965940A (en) * | 2017-12-28 | 2019-07-05 | 先健科技(深圳)有限公司 | One kind taking bolt device |
| CN109965940B (en) * | 2017-12-28 | 2022-05-10 | 先健科技(深圳)有限公司 | Thrombus taking device |
| CN115120302A (en) * | 2018-01-30 | 2022-09-30 | 上海沃比医疗科技有限公司 | Thrombus capture device and method therefor |
| US12076545B2 (en) | 2018-02-01 | 2024-09-03 | Shifamed Holdings, Llc | Intravascular blood pumps and methods of use and manufacture |
| CN108158630A (en) * | 2018-02-26 | 2018-06-15 | 上海加奇生物科技苏州有限公司 | A kind of Intravascular Thrombus catching device |
| CN108158630B (en) * | 2018-02-26 | 2024-06-07 | 上海加奇生物科技苏州有限公司 | Intravascular thrombus catcher |
| CN108433781A (en) * | 2018-03-30 | 2018-08-24 | 刘振生 | A kind of intracranial vessel pincers formula takes pin device |
| CN108433781B (en) * | 2018-03-30 | 2023-03-21 | 刘振生 | Intracranial blood vessel clamping type thrombus taking device |
| US12161857B2 (en) | 2018-07-31 | 2024-12-10 | Shifamed Holdings, Llc | Intravascular blood pumps and methods of use |
| US12220570B2 (en) | 2018-10-05 | 2025-02-11 | Shifamed Holdings, Llc | Intravascular blood pumps and methods of use |
| CN109480958B (en) * | 2018-12-03 | 2023-12-01 | 魏铭 | Multi-adaptability multi-tube-diameter thrombus taking device capable of preventing excessive cutting |
| CN109480958A (en) * | 2018-12-03 | 2019-03-19 | 魏铭 | It is a kind of to prevent that the flexible multi-pipe-diameter excessively cut takes bolt device |
| 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 |
| CN114206408A (en) * | 2019-06-05 | 2022-03-18 | 施菲姆德控股有限责任公司 | Catheter blood pump and methods of use and manufacture thereof |
| US11964145B2 (en) | 2019-07-12 | 2024-04-23 | Shifamed Holdings, Llc | Intravascular blood pumps and methods of manufacture and use |
| US12121713B2 (en) | 2019-09-25 | 2024-10-22 | Shifamed Holdings, Llc | Catheter blood pumps and collapsible blood conduits |
| US12102815B2 (en) | 2019-09-25 | 2024-10-01 | Shifamed Holdings, Llc | Catheter blood pumps and collapsible pump housings |
| CN115151205A (en) * | 2019-12-18 | 2022-10-04 | 伊纳里医疗有限公司 | Devices and methods for treating vascular occlusion |
| CN113633343B (en) * | 2020-04-27 | 2023-05-02 | 先健科技(深圳)有限公司 | Thrombolysis device |
| CN113633343A (en) * | 2020-04-27 | 2021-11-12 | 先健科技(深圳)有限公司 | Thrombus taking device |
| CN112043347A (en) * | 2020-09-16 | 2020-12-08 | 江苏暖阳医疗器械有限公司 | Integrated embolectomy support |
| CN112168286A (en) * | 2020-11-16 | 2021-01-05 | 杭州诺礼医疗器械有限公司 | Thrombectomy support, thrombectomy device and thrombectomy system |
| WO2022100734A1 (en) * | 2020-11-16 | 2022-05-19 | 杭州德诺脑神经医疗科技有限公司 | Thrombus-taking stent, thrombus-taking device and thrombus-taking system |
| CN112168284A (en) * | 2020-11-16 | 2021-01-05 | 杭州诺礼医疗器械有限公司 | Thrombectomy support, thrombectomy device and thrombectomy system |
| CN112890915A (en) * | 2020-12-30 | 2021-06-04 | 上海融脉医疗科技有限公司 | Intravascular multi-segment embolectomy support and conveying device thereof |
| 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 |
| CN114098894A (en) * | 2021-10-13 | 2022-03-01 | 广东博迈元通医疗科技有限公司 | Dilator for thrombus removal support, thrombus removal device and thrombus removal method |
| CN114451959A (en) * | 2022-01-12 | 2022-05-10 | 北京泰杰伟业科技有限公司 | Thrombus catching device |
| CN114191154A (en) * | 2022-02-18 | 2022-03-18 | 天津市环湖医院 | Integrated plug taking support with gradually-changed diameter |
| 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 |
| CN114601608A (en) * | 2022-04-20 | 2022-06-10 | 首都医科大学附属北京天坛医院 | Blood vessel stent and stent component |
| CN118557259A (en) * | 2024-08-02 | 2024-08-30 | 深圳佰特微医疗科技有限公司 | Thrombectomy Device |
| CN118557259B (en) * | 2024-08-02 | 2024-12-03 | 深圳佰特微医疗科技有限公司 | Thrombolysis device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106955140B (en) | 2023-07-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106955140A (en) | One kind takes bolt support and thrombus withdrawing device | |
| CN107049420A (en) | One kind takes bolt support and thrombus withdrawing device | |
| CN107049421A (en) | A kind of full development takes bolt support and thrombus withdrawing device | |
| CN209678625U (en) | One kind is novel to take bolt bracket and thrombus withdrawing device | |
| CN104352261B (en) | Occluder for left auricle | |
| CN102764170B (en) | A kind of endovascular stent of complex function | |
| CN109223107A (en) | One kind taking pin device | |
| CN105662532A (en) | Blood-vessel embolectomy device with semi-closed structure and thrombus treating apparatus with the same | |
| CN208756265U (en) | Combined type takes bolt bracket and thrombus withdrawing device | |
| CN212788619U (en) | Intracranial arterial blood vessel thrombus removal device and system | |
| CN106859729A (en) | One kind takes bolt mounting system | |
| CN106580397A (en) | Sectional thrombus extraction device and thrombus extraction method making use of thrombus extraction device | |
| CN105662533A (en) | Blood-vessel embolectomy device with helical structure and thrombus treating apparatus with the same | |
| CN106963451A (en) | One kind takes bolt device | |
| CN111434314A (en) | Can develop thrombectomy support and thrombus remove device of location | |
| CN105125326A (en) | Intravascular stent of composite structure | |
| CN108670353A (en) | A kind of tandem takes bolt holder and thrombus withdrawing device | |
| CN108272488A (en) | A kind of artery, which is arrested, takes bolt holder and thrombus withdrawing device | |
| CN205359560U (en) | Blood vessel thrombectomy device and thrombus therapeutic instrument with helical structure | |
| CN209136779U (en) | A kind of double-layer structure takes pin device | |
| CN207693635U (en) | One kind taking bolt holder and thrombus withdrawing device | |
| CN207520180U (en) | One kind takes bolt stent and thrombus withdrawing device | |
| CN115737059A (en) | Spiral type non-cutting bolt taking device | |
| CN109247969A (en) | One kind taking bolt device system | |
| CN207768466U (en) | The full development of one kind taking bolt holder and thrombus withdrawing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |