CN110226995A - Aorta tectorial membrane stent accurate positioning device - Google Patents
Aorta tectorial membrane stent accurate positioning device Download PDFInfo
- Publication number
- CN110226995A CN110226995A CN201910488836.3A CN201910488836A CN110226995A CN 110226995 A CN110226995 A CN 110226995A CN 201910488836 A CN201910488836 A CN 201910488836A CN 110226995 A CN110226995 A CN 110226995A
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- CN
- China
- Prior art keywords
- shaped block
- block
- connector
- accurate positioning
- tectorial membrane
- 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
- 210000000709 aorta Anatomy 0.000 title claims abstract description 20
- 210000002489 tectorial membrane Anatomy 0.000 title claims abstract description 20
- 210000004204 blood vessel Anatomy 0.000 abstract description 32
- 238000007906 compression Methods 0.000 abstract description 10
- 230000006835 compression Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007913 intrathecal administration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004584 weight gain Effects 0.000 description 1
- 235000019786 weight gain Nutrition 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/954—Instruments specially adapted for placement or removal of stents or stent-grafts for placing stents or stent-grafts in a bifurcation
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The invention discloses aorta tectorial membrane stent accurate positioning devices, including flexible several first U-shaped blocks and several second U-shaped blocks, it aligns between the first U-shaped block, the first connector is equipped between the bottom of the first U-shaped block, it aligns between the second U-shaped block, also first connector is equipped between the bottom of the second U-shaped block, the top of the first U-shaped block and the top of the second U-shaped block interlock in opposite directions, the second connector is equipped between the side of the first U-shaped block, also second connector is equipped between the side of the second U-shaped block, the inside of the first U-shaped block and the second U-shaped block is equipped with the protrusion to align, the present apparatus can uniformly be compressed blood vessel covered stent, the phenomenon that avoiding compression process medium vessels overlay film frame from reversing, effectively improve adjusting accuracy and Convenience.
Description
Technical field
The invention belongs to intravascular stent fields, are related to aorta tectorial membrane stent accurate positioning device.
Background technique
Since blood vessel has branch vessel, when using blood vessel covered stent, need blood vessel covered stent to be placed on point
When at branch vessel, it is therefore desirable to the opening holes on blood vessel covered stent, and by hole align fingers blood vessel, it is ensured that blood stream
Logical, in use, need to compress blood vessel covered stent and be placed on seal wire, it is intrathecal then to place into conveying, thus just
In being delivered to endovascular specific position, but blood vessel covered stent is during compression, since compression process medium vessels cover
Membrane support will appear the phenomenon that torsion, when blood vessel covered stent is put into specific position, need to discharge blood vessel covered stent, from
And prevent the hole on the blood vessel covered stent after release from being accurately aimed at branch vessel, and at this time to blood vessel covered stent
Angular adjustment is excessively complicated, not easy to operate, and the operating time is too long, and easily leading to branch vessel cannot flow into enough blood,
So that there is danger in patient.
Summary of the invention
Problem to be solved by this invention is can uniformly to be compressed blood vessel covered stent, is avoided in compression process
The phenomenon that blood vessel covered stent reverses, the aorta tectorial membrane stent of the accuracy and convenience that effectively improve adjusting are accurately fixed
Position device.
Aorta tectorial membrane stent accurate positioning device of the invention, including flexible several first U-shaped blocks and several
Second U-shaped block aligns between the first U-shaped block, and the first connector is equipped between the bottom of the first U-shaped block, described
It aligns between second U-shaped block, first connector, the first U-shaped block is also equipped between the bottom of the second U-shaped block
Top and the top of the second U-shaped block interlock in opposite directions, be equipped with the second connector between the side of the first U-shaped block, described the
Also second connector is equipped between the side of two U-shaped blocks, the inside of the first U-shaped block and the second U-shaped block is equipped with opposite
Neat protrusion.
Preferably, the top of the first connector on the first U-shaped block is equipped with briquetting, on the second U-shaped block
The bottom of first connector is equipped with the concave block for placing finger.
It preferably, further include correcting mechanism, the surface of the briquetting is equipped with first through hole, the first through hole and calibration
Mechanism aligns.
Preferably, spring is equipped between the first U-shaped block and the second U-shaped block.
Preferably, the correcting mechanism includes clamping device and transparent calibration block, and the clamping device is clamped in conveying
On sheath, the calibration block is equipped with the second through-hole, and conveying sheath passes through second through-hole, the clamping device and the calibration block
Between be rotatablely connected, the calibration block can relative to conveying sheath freely dangle.
Preferably, the bottom of the calibration block is locally increased weight, and the scale on the vertical direction of the calibration block is zero degree.
Preferably, the clamping device includes flexible clamping piece.
Preferably, the section of first connector is rounded.
Preferably, the rectangular in cross-section of the first through hole.
Preferably, the clamping piece is equipped with notch.
The beneficial effects of the present invention are:
Due to the first U-shaped block and the second cross-shaped state of U-shaped block, by the first U-shaped block and the second U-shaped block
Protrusion clamp the symmetrical position of blood vessel covered stent, the first U-shaped block and the second U-shaped block are then squeezed, so that blood vessel covers
The state of " 0 " font is presented in membrane support after being squeezed, then continue through again further squeeze the first U-shaped block and
Second U-shaped block greatly reduces blood vessel covered branch so that blood vessel covered stent is compressed into lesser volume on seal wire
Then the phenomenon that frame reverses in compression process entangles seal wire and compressed blood vessel covered stent by conveying sheath, lead to
Cross the present apparatus repeatedly blood vessel covered stent is compressed and is conveyed sheath segmentation entangle seal wire and compressed blood vessel covered branch
The work of frame, it is ensured that compressed blood vessel covered stent hole on its surface in its reinstatement size does not occur biggish
Position deviation, it is ensured that the accuracy of compression work, and also improve the convenience of operation.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only the preferred embodiment of the present invention, for
For those of ordinary skill in the art, without any creative labor, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is the overall structure diagram of aorta tectorial membrane stent accurate positioning device of the present invention；
Fig. 2 is the use state diagram of aorta tectorial membrane stent accurate positioning device of the present invention；
Fig. 3 is the use state diagram of aorta tectorial membrane stent accurate positioning device of the present invention.
In figure, 1 is the first U-shaped block, and 2 be the second U-shaped block, and 3 be the first connector, and 4 be the second connector, and 5 is raised, 6
It is concave block for briquetting, 7,8 be first through hole, and 9 be spring, and 10 be calibration block, and 11 be clamping piece, and 12 be the second through-hole, and 13 are
Notch.
Specific embodiment
In order to be best understood from the technology of the present invention content, be provided below specific embodiment, and in conjunction with attached drawing to the present invention do into
The explanation of one step.
Referring to Fig. 1 to Fig. 3, aorta tectorial membrane stent accurate positioning device of the invention, including flexible several
One U-shaped block 1 and several second U-shaped blocks 2 align between the first U-shaped block 1, set between the bottom of the first U-shaped block 1
There is the first connector 3, align between the second U-shaped block 2, described first is also equipped between the bottom of the second U-shaped block 2
Connector 3, the top of the first U-shaped block 1 and the top of the second U-shaped block 2 interlock in opposite directions, the side of the first U-shaped block 1 it
Between be equipped with the second connector 4, second connector 4, the first U-shaped block are also equipped between the side of the second U-shaped block 2
1 and second the inside of U-shaped block 2 be equipped with the protrusion 5 that aligns, pass through the protrusion 5 on the first U-shaped block 1 and the second U-shaped block 2
The symmetrical position of blood vessel covered stent is clamped, the first U-shaped block 1 and the second U-shaped block 2 are then squeezed, so that blood vessel covered branch
The state of " 0 " font is presented in frame after being squeezed, and then continues through again and further squeezes the first U-shaped block 1 and
Two U-shaped blocks 2 greatly reduce blood vessel covered branch so that blood vessel covered stent is compressed into lesser volume on seal wire
Then the phenomenon that frame reverses in compression process entangles seal wire and compressed blood vessel covered stent by conveying sheath, lead to
Cross the present apparatus repeatedly blood vessel covered stent is compressed and is conveyed sheath segmentation entangle seal wire and compressed blood vessel covered branch
The work of frame, it is ensured that compressed blood vessel covered stent hole on its surface in its reinstatement size does not occur biggish
Position deviation, it is ensured that the accuracy of compression work, and also improve the convenience of operation.
The top of the first connector 3 on the first U-shaped block 1 is equipped with briquetting 6, and first on the second U-shaped block 2
The concave block 7 that the bottom of connector 3 is equipped with for placing finger can facilitate doctor by the cooperation of the briquetting 6 and concave block 7
Shield personnel carry out the extruding work of the present apparatus, improve the convenience of operation.
The top of the first connector 3 on the first U-shaped block 1 is equipped with briquetting 6, and first on the second U-shaped block 2
The bottom of connector 3 is equipped with the concave block 7 for placing finger.
It further include correcting mechanism, the surface of the briquetting 6 is equipped with first through hole 8, the first through hole 8 and correcting mechanism
It aligns, the calibration of correcting mechanism can be observed constantly by the first through hole 8, it is ensured that the present apparatus works reliable
Property.
It is equipped with spring 9 between the first U-shaped block 1 and the second U-shaped block 2, this dress can be ensured by the spring 9
It sets and is resetted after the completion of compression work, consequently facilitating the progress of compression work next time, improves what the present apparatus used
Convenience.
The correcting mechanism includes clamping device and transparent calibration block 10, and the clamping device is clamped on conveying sheath,
The calibration block 10 be equipped with the second through-hole 12, conveying sheath pass through second through-hole 12, can by the center of circle of the second through-hole 12,
The center of circle in the center of circle and the calibration block 10 that convey sheath is overlapped as far as possible, so that it is guaranteed that subsequent calibration is accurate
Property, the clamping device and the calibration block 10 rotation connection, the calibration block 10 can freely dangle relative to conveying sheath, pass through
The calibration block 10 is fixed on conveying sheath by the clamping device, whenever the conveying sheath be sent into intravascular one section of human body away from
The clamping device can be unclamped from after, is then sandwiched and is not delivered on the intracorporal conveying sheath of people, and passes through the scale
Block 10 is able to know that the angle that conveying sheath rotates during transportation, consequently facilitating the angle of adjustment conveying sheath transmission process, really
The accuracy of the device that breaks even work, reduces the hole on blood vessel covered stent and stagger ratio is lower between branch vessel, subtracts significantly
The adjustment work of operating time and subsequent blood vessel covered stent position is lacked.
The bottom of the calibration block 10 is locally increased weight, and the scale on the vertical direction of the calibration block 10 is zero degree, is passed through
Graduation position weight gain on 10 vertical direction fast to scale can ensure that the scale direction of zero degree is overlapped with gravity direction always, really
Breaking even device being capable of accurate calibration conveying sheath angled conveyor.
The clamping device includes flexible clamping piece 11, by the cooperation of the clamping piece 11 and calibration block 10,
The operation that the present apparatus can be facilitated can be in calibration block due to being rotatablely connected between the clamping piece 11 and the calibration block 10
The sliding slot (not shown) of 10 surface setting arc, is equipped with sliding block (not shown), so that sliding block (not shown) on clamping piece 11
It is slided in sliding slot (not shown), so that being relatively rotatable to each other between clamping piece 14 and calibration block 10, is convenient for calibration
Progress.
The section of first connector 3 is rounded, can facilitate the present apparatus by the structure of first connector 3
Operation, so that more convenient when opposite sliding is got up between the first U-shaped block 1 and the second U-shaped block 2.
The rectangular in cross-section of the first through hole 8, the clamping piece 11 are equipped with notch 13, can by the first through hole 8
To facilitate the notch 13 on alignment clamping piece 11, so that it is guaranteed that the reliability and accuracy of the calibration of the present apparatus.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. aorta tectorial membrane stent accurate positioning device, which is characterized in that including flexible several first U-shaped blocks and several
Second U-shaped block aligns between the first U-shaped block, and the first connector is equipped between the bottom of the first U-shaped block, described
It aligns between second U-shaped block, first connector, the first U-shaped block is also equipped between the bottom of the second U-shaped block
Top and the top of the second U-shaped block interlock in opposite directions, be equipped with the second connector between the side of the first U-shaped block, described the
Also second connector is equipped between the side of two U-shaped blocks, the inside of the first U-shaped block and the second U-shaped block is equipped with opposite
Neat protrusion.
2. aorta tectorial membrane stent accurate positioning device according to claim 1, which is characterized in that the first U-shaped block
On the top of the first connector be equipped with briquetting, the bottom of the first connector on the second U-shaped block is equipped with for placing
The concave block of finger.
3. aorta tectorial membrane stent accurate positioning device according to claim 1, which is characterized in that further include adjusting machine
The surface of structure, the briquetting is equipped with first through hole, and the first through hole aligns with correcting mechanism.
4. aorta tectorial membrane stent accurate positioning device according to claim 1, which is characterized in that the first U-shaped block
Spring is equipped between the second U-shaped block.
5. aorta tectorial membrane stent accurate positioning device according to claim 4, which is characterized in that the correcting mechanism packet
Clamping device and transparent calibration block are included, the clamping device is clamped on conveying sheath, and the calibration block is equipped with the second through-hole,
It conveys sheath and passes through second through-hole, be rotatablely connected between the clamping device and the calibration block, the calibration block can be opposite
It freely dangles in conveying sheath.
6. aorta tectorial membrane stent accurate positioning device according to claim 5, which is characterized in that the bottom of the calibration block
Portion locally increases weight, and the scale on the vertical direction of the calibration block is zero degree.
7. aorta tectorial membrane stent accurate positioning device according to claim 4, which is characterized in that the clamping device packet
Include flexible clamping piece.
8. aorta tectorial membrane stent accurate positioning device according to claim 4, which is characterized in that first connector
Section it is rounded.
9. aorta tectorial membrane stent accurate positioning device according to claim 3, which is characterized in that the first through hole
Rectangular in cross-section.
10. aorta tectorial membrane stent accurate positioning device according to claim 3, which is characterized in that the clamping piece is set
It is jagged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910488836.3A CN110226995B (en) | 2019-06-06 | 2019-06-06 | Accurate positioning device for aorta tectorial membrane stent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910488836.3A CN110226995B (en) | 2019-06-06 | 2019-06-06 | Accurate positioning device for aorta tectorial membrane stent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110226995A true CN110226995A (en) | 2019-09-13 |
| CN110226995B CN110226995B (en) | 2020-04-10 |
Family
ID=67858475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910488836.3A Active CN110226995B (en) | 2019-06-06 | 2019-06-06 | Accurate positioning device for aorta tectorial membrane stent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110226995B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0826346A1 (en) * | 1996-08-21 | 1998-03-04 | Cordis Corporation | Hand-held stent crimper |
| WO2001021076A1 (en) * | 1999-09-22 | 2001-03-29 | Scimed Life Systems, Inc. | Stent crimping system |
| EP2742917A1 (en) * | 2012-12-13 | 2014-06-18 | Biotronik AG | Apparatus and method for crimping an implant |
| CN106137487A (en) * | 2010-07-07 | 2016-11-23 | 艾博特心血管系统公司 | Installation on support delivery system for the support |
| CN207423172U (en) * | 2017-10-16 | 2018-05-29 | 青岛海尔空调电子有限公司 | A kind of air-conditioning Horizontal mounting arrangements |
| CN208048843U (en) * | 2017-07-28 | 2018-11-06 | 有研医疗器械（北京）有限公司 | A kind of holder pressure holds pincers |
| CN208725965U (en) * | 2017-09-11 | 2019-04-12 | 杭州海略科技有限公司 | A kind of bracket pressure holds device |
-
2019
- 2019-06-06 CN CN201910488836.3A patent/CN110226995B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0826346A1 (en) * | 1996-08-21 | 1998-03-04 | Cordis Corporation | Hand-held stent crimper |
| WO2001021076A1 (en) * | 1999-09-22 | 2001-03-29 | Scimed Life Systems, Inc. | Stent crimping system |
| CN106137487A (en) * | 2010-07-07 | 2016-11-23 | 艾博特心血管系统公司 | Installation on support delivery system for the support |
| EP2742917A1 (en) * | 2012-12-13 | 2014-06-18 | Biotronik AG | Apparatus and method for crimping an implant |
| CN208048843U (en) * | 2017-07-28 | 2018-11-06 | 有研医疗器械（北京）有限公司 | A kind of holder pressure holds pincers |
| CN208725965U (en) * | 2017-09-11 | 2019-04-12 | 杭州海略科技有限公司 | A kind of bracket pressure holds device |
| CN207423172U (en) * | 2017-10-16 | 2018-05-29 | 青岛海尔空调电子有限公司 | A kind of air-conditioning Horizontal mounting arrangements |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110226995B (en) | 2020-04-10 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20240103 Address after: 611, Huafeng international business building, 4018 Baoan Avenue, Yantian community, Xixiang street, Bao'an District, Shenzhen, Guangdong 518000 Patentee after: Shenzhen Yitai Technology Co.,Ltd. Address before: No. 2203, Building B, Jianghai District, Haidian Island, Meilan District, Haikou City, Hainan Province, 570100 Patentee before: Gao Feng |
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| TR01 | Transfer of patent right |