CN106937894A - Strengthen development mark, intravascular stent and the method for intravascular stent developing performance - Google Patents
Strengthen development mark, intravascular stent and the method for intravascular stent developing performance Download PDFInfo
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- CN106937894A CN106937894A CN201710158213.0A CN201710158213A CN106937894A CN 106937894 A CN106937894 A CN 106937894A CN 201710158213 A CN201710158213 A CN 201710158213A CN 106937894 A CN106937894 A CN 106937894A
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- Prior art keywords
- intravascular stent
- development
- mark
- developing
- bonded
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Classifications
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- 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
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
-
- 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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
- A61F2250/0096—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers
- A61F2250/0098—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers radio-opaque, e.g. radio-opaque markers
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- Health & Medical Sciences (AREA)
- Gastroenterology & Hepatology (AREA)
- Pulmonology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (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)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
Strengthen development mark, intravascular stent and the method for intravascular stent developing performance.The invention discloses the development mark of intravascular stent, indicate two to six vertical at least one developing rings for developing mark and being connected to each end of intravascular stent for including being bonded along intravascular stent length direction including development mark is bonded on intravascular stent using medical polymer adhesive, and developed；Each developing ring and vertical development mark are be bonded by medical polymer adhesive；So that some developing rings are formed along the cylindrical developer on the outside of intravascular stent with some vertical development marks marks profile.Intravascular stent, including the rack body being made up of developing material, and it is bonded in the above-mentioned development mark on the outside of rack body.Strengthen the method for intravascular stent developing performance, be marked using above-mentioned intravascular stent to inserting lesion locations.The invention provides the development mark for showing intravascular stent integrity profile on the whole, and the intravascular stent indicated using the development, indicated using above-mentioned development and intravascular stent, be preferable developing method.
Description
Technical field
The present invention relates to stent technology field, more particularly to strengthen intravascular stent developing performance development mark,
Intravascular stent and method.
Background technology
Cardiovascular stents refer on the basis of tube chamber balloon expandable is molded, and are implanted into lesion locations, to reach
Stenosis occlusion section blood vessel is supported, blood vessel elasticity retraction and again plasticity is reduced, keeps the support knot of the unobstructed purpose of tube chamber blood flow
Structure.
The annual cardiovascular embolism intervention support operation of China in 2013 reaches 600,000, and remains annual more than 35%
Growth rate.However, 6-8 months after intervention support treatment, patient's implantation support portions are likely to occur cardiovascular restenosis,
Situation about even blocking again.At present except thermal imaging, echocardiogram, visualization, the complicated and expensive method such as CT does not have
Very good solution.In recent years, it is thus proposed that install sensor can be utilized in angiocarpy to realize detection.But,
The solution that this kind equipment is not molded also, especially needs to set special day for micromodule equipment, sensor etc. in the blood vessels
Line and power supply unit.
Developing performance of the intravascular stent under X-ray production apparatus or other medical imaging devices is one in the numerous performances of support
Item key property, it all plays vital effect to clinical effectiveness in surgical procedure and Post operation.In surgical procedure,
Doctor needs to position exactly by the developing performance of intravascular stent and discharge support, to ensure that support can be implanted into exactly
To lesion locations., it is necessary to ensure that support will not be shifted and cause new by follow-up during being chronically implanted after surgery
Thrombus.
Current intravascular stent generally uses 316L stainless steels, cochrome, Nitinol, magnesium alloy or macromolecule material
Material etc. is processed.For intracranial vessel support, due to the special physiological anatomical structure (presence of such as skull) of intracranial vessel,
Intracranial vessel support is have impact on preferably to develop.In addition, the flexibility of intracranial vessel support is it is required that intracranial vessel support
The metal coverage rate of metallic framework is fewer than coronary vessel stent, and this is cause intracranial vessel support developing performance poor another
One factor., can only be by increasing the chi of supporting structure if relying on the material of support in itself to increase developing performance merely
The very little purpose to reach enhancing developing performance, but it means that more metal implantation.For Point of View of Clinical, this can increase
The risk of biocompatibility, increases thrombotic probability, simultaneously because the increase of metal causes support to be hardened, therefore it is unfavorable
In the blood vessel for making support pass through complicated and minor diameter.
A kind of mode of enhancing developing performance of prior art be by increase the developing performance of mount proximal end and distal end come
Improve support developing performance, this be usually by using certain technique will develop pipe or developing material be fixed on support
Two ends are realized.But, this design has the disadvantages that：First, two end points of distance of support are only able to display, and can not
Show integral support, and also can result in if technique is unstable development pipe or developing material comes off；In addition, this
The external diameter of the end of the support of design can be unfavorable for the assembling of support, and the softness of influence support than larger in technique
Property.
Chinese Patent Application No. is CN201110234883.9, entitled to strengthen the developability of intravascular stent for a kind of
The method and a kind of intravascular stent of improvement developing performance, particularly intracranial vessel support of energy.According to the present invention, in the branch of support
At least one layer of silk material being made up of developing material is integrally wound on frame ripple bar.On the one hand the support of the present invention ensure that in art
Be accurately positioned with postoperative under medical imaging device, on the other hand winding development silk material be located at support on not by stress or by should
The position of power very little, expansion and stress distribution without influenceing support, so that the life-span of support will not be reduced, is not interfered with yet
The expection using effect of support.
But the intravascular stent of this kind of structure fabrication is used, its existing silk material is integrally wrapped in intravascular stent outer wall, to blood
Pipe holder can cause certain pressure, and the support of silk material winding, although can show the shadow of intravascular stent comprehensively, still
The concrete condition of support can not be observed so that intravascular stent is difficult to control.And the intravascular stent of silk material winding, when it develops
Bunch up, it is difficult to grasp the profile of intravascular stent, so be not very accurate to observation intravascular stent.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, intravascular stent can be shown on the whole the invention provides one kind
The development mark of integrity profile, while being formed between developing ring and development mark by the way that medical polymer adhesive is Nian Jie, ring
Ensure safety.Present invention also offers a kind of intravascular stent indicated using the development, the intravascular stent also uses developing material system
Into can show the details of intravascular stent when in use, more facilitate doctor to observe complete intravascular stent support situation, be easy to
In art and postoperative operative treatment and rehabilitation to patient.Upper two kinds of structures can strengthen the development of intravascular stent, make
It is preferable developing method with above-mentioned development mark and intravascular stent.
The technical solution adopted in the present invention is：The development mark of intravascular stent, including using medical polymer bonding
Development mark is bonded on intravascular stent by agent, and the mark that develops includes two to six along intravascular stent length direction bonding
Vertical development mark and at least one developing ring for being connected to each end of intravascular stent；
Each developing ring and vertical development mark are be bonded by medical polymer adhesive；
Finally so that some developing rings are taken turns with some vertical development mark formation along the cylindrical developer mark on the outside of intravascular stent
It is wide.
Further, each vertical development is masked as rectangle development bar structure, and it is bonded in intravascular stent end
Between developing ring.
Further, developing ring is semi-open-type structure, and it is provided with one in the junction with each vertical development mark
A vertical development is bonded with individual connection breach, each connection breach by medical polymer adhesive to indicate；And show
Shadow ring is agreed to be bonded on the outer wall of intravascular stent by medical polymer adhesive.
Further, each developing ring is made up of cylindrical type development screw mandrel, 0.2~0.5mm of diameter of its developing ring, its
A diameter of 0.05~0.12mm of cylindrical type development screw mandrel.
Further, medical polymer adhesive is degradable high polymer material, by PLA, PLLA, is gathered
One or more in racemic lactic acid, PCL, PTMC are made.
Intravascular stent, including the rack body being made up of developing material, and be bonded in above-mentioned aobvious on the outside of rack body
Shadow mark.
Strengthen the method for intravascular stent developing performance, be marked using above-mentioned intravascular stent to inserting lesion locations.
Compared with prior art, the beneficial effects of the invention are as follows：The intravascular stent of the present invention develops mark respectively along blood vessel
The two ends of support set at least one developing ring, and are connected between the developing ring at two ends two and develop vertically to the six roots of sensation mark
Will, so that intravascular stent whole show be come out, when in use, can intactly show the overall profile of intravascular stent, simultaneously
Because development mark is unobstructed to intravascular stent, it is observed that the comprehensive situation of intravascular stent.
Brief description of the drawings
The structure chart that Fig. 1 indicates for the development of intravascular stent；
The intravascular stent structure chart that Fig. 2 indicates for the development of the embodiment with Fig. 1；
Wherein：1- intravascular stents, 2- development marks, 3- develops mark, 4- developing rings, 41- connection breach vertically；5- cylinders are aobvious
Shadow marks profile.
Embodiment
In order to deepen the understanding of the present invention, the present invention is further described with reference to the accompanying drawings and examples, the implementation
Example is only used for explaining the present invention, and protection scope of the present invention is not constituted and limited.
As shown in figure 1, the development mark of intravascular stent, including glued development mark 2 using medical polymer adhesive
It is connected on intravascular stent 1, and the mark 2 that develops includes indicating along two to six vertical developments that intravascular stent length direction is bonded
3 and it is connected at least one developing ring 4 of each end of intravascular stent；
Each developing ring 4 and vertical development mark 3 are be bonded by medical polymer adhesive；
Finally so that some developing rings 4 are formed along the cylindrical developer mark on the outside of intravascular stent with some vertical development marks 3
Profile 5.
In the above-described embodiments, each mark 3 that develops vertically is rectangle development bar structure, and it is bonded in intravascular stent
Between the developing ring 4 of end.
In the above-described embodiments, developing ring 4 is semi-open-type structure, and it is in the connection with each vertical development mark 3
Place is provided with a connection breach 41, and each connection breach 41 are interior to be bonded with a vertical development by medical polymer adhesive
Mark 3；And developing ring 4 is agreed to be bonded in by medical polymer adhesive on the outer wall of intravascular stent 1.
In the above-described embodiments, each developing ring 4 is made up of cylindrical type development screw mandrel, and the diameter 0.2 of its developing ring 4~
0.5mm, a diameter of 0.05~0.12mm of its cylindrical type development screw mandrel.
In the above-described embodiments, medical polymer adhesive is degradable high polymer material, by PLA, gathers left-handed breast
One or more in sour, poly- racemic lactic acid, PCL, PTMC are made.
As shown in Fig. 2 intravascular stent, including the rack body being made up of developing material, and be bonded in outside rack body
The above-mentioned development mark of side.
Strengthen the method for intravascular stent developing performance, above-mentioned intravascular stent is marked to inserting lesion locations.
What embodiments of the invention were announced is preferred embodiment, but is not limited thereto, the ordinary skill people of this area
Member, easily according to above-described embodiment, understands the spirit of the present invention, and makes different amplifications and change, but as long as not departing from this
The spirit of invention, all within the scope of the present invention.
Claims (7)
1. the development mark of intravascular stent, it is characterised in that indicate including will be developed using medical polymer adhesive（2）It is viscous
It is connected on intravascular stent（1）On, and the mark that develops（2）Two to six vertical developments including being bonded along intravascular stent length direction
Mark（3）With at least one developing ring for being connected to each end of intravascular stent（4）；
Each described developing ring（4）Indicate with vertical development（3）It is bonded by medical polymer adhesive；
Finally so that some developing rings（4）Indicate with some vertical developments（3）Formed along the cylindrical developer on the outside of intravascular stent
Mark profile（5）.
2. the development mark of intravascular stent according to claim 1, it is characterised in that each described vertical development mark
Will（3）For rectangle development bar structure, it is bonded in the developing ring of intravascular stent end（4）Between.
3. the development mark of intravascular stent according to claim 1 or 2, it is characterised in that developing ring（4）For semi-open-type
Structure, it indicates with each vertical development（3）Junction provided with connection breach（41）, each connection breach
（41）It is interior that a vertical development mark is bonded with by medical polymer adhesive（3）；And the developing ring（4）Agree to logical
Cross medical polymer adhesive and be bonded in intravascular stent（1）Outer wall on.
4. the development mark of intravascular stent according to claim 3, it is characterised in that each described developing ring（4）For
Cylindrical type development screw mandrel is made, its developing ring（4）0.2~0.5mm of diameter, its cylindrical type development screw mandrel a diameter of 0.05~
0.12mm。
5. the development mark of intravascular stent according to claim 3, it is characterised in that medical polymer adhesive is can
Degraded macromolecular material, by PLA, PLLA, poly- racemic lactic acid, PCL, PTMC
In one or more be made.
6. intravascular stent, it is characterised in that：Including the rack body being made up of developing material, and it is bonded on the outside of rack body
As the development mark described in claim 1-5 any one.
7. strengthen the method for intravascular stent developing performance, it is characterised in that the intravascular stent described in usage right requirement 6 is to inserting
Lesion locations are marked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710158213.0A CN106937894A (en) | 2017-03-16 | 2017-03-16 | Strengthen development mark, intravascular stent and the method for intravascular stent developing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710158213.0A CN106937894A (en) | 2017-03-16 | 2017-03-16 | Strengthen development mark, intravascular stent and the method for intravascular stent developing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106937894A true CN106937894A (en) | 2017-07-11 |
Family
ID=59469035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710158213.0A Pending CN106937894A (en) | 2017-03-16 | 2017-03-16 | Strengthen development mark, intravascular stent and the method for intravascular stent developing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106937894A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420075A (en) * | 2019-06-27 | 2019-11-08 | 深圳市先健畅通医疗有限公司 | Overlay film frame |
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|---|---|---|---|---|
| US5047050A (en) * | 1987-02-17 | 1991-09-10 | Alberto Arpesani | Internal prosthesis with radiopaque annular portions |
| WO1999002195A2 (en) * | 1997-07-07 | 1999-01-21 | Implant Sciences Corporation | Coronary stent with a radioactive, radiopaque coating |
| CN1248156A (en) * | 1997-01-21 | 2000-03-22 | 斯滕特技术公司 | Multilayer composite tubular structure and method of making |
| US20030121148A1 (en) * | 2000-10-26 | 2003-07-03 | Scimed Life Systems, Inc. | Stent having radiopaque markers and method of fabricating the same |
| CN200998331Y (en) * | 2006-11-16 | 2008-01-02 | 沈阳 | Radiation supporting stand positioned in human body that can developing clearly under X ray |
| US20100152837A1 (en) * | 2008-01-07 | 2010-06-17 | Micrus Endovascular Corporation | Radiopaque super-elastic intravascular stent |
| CN102429750A (en) * | 2011-08-15 | 2012-05-02 | 微创医疗器械(上海)有限公司 | Intravascular stent with improved developing performance and method for improving developing performance of intravascular stent |
| CN102440856A (en) * | 2011-12-09 | 2012-05-09 | 微创医疗器械(上海)有限公司 | Biodegradable stent capable of being seen under X rays and preparation method of biodegradable stent |
| CN202802476U (en) * | 2012-06-19 | 2013-03-20 | 东莞市博迪思迈医疗器械有限公司 | X-ray development mark ring |
| CN105457105A (en) * | 2015-07-24 | 2016-04-06 | 中国科学院金属研究所 | Novel developable magnesium alloy intravascular stent |
-
2017
- 2017-03-16 CN CN201710158213.0A patent/CN106937894A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5047050A (en) * | 1987-02-17 | 1991-09-10 | Alberto Arpesani | Internal prosthesis with radiopaque annular portions |
| CN1248156A (en) * | 1997-01-21 | 2000-03-22 | 斯滕特技术公司 | Multilayer composite tubular structure and method of making |
| WO1999002195A2 (en) * | 1997-07-07 | 1999-01-21 | Implant Sciences Corporation | Coronary stent with a radioactive, radiopaque coating |
| US20030121148A1 (en) * | 2000-10-26 | 2003-07-03 | Scimed Life Systems, Inc. | Stent having radiopaque markers and method of fabricating the same |
| CN200998331Y (en) * | 2006-11-16 | 2008-01-02 | 沈阳 | Radiation supporting stand positioned in human body that can developing clearly under X ray |
| US20100152837A1 (en) * | 2008-01-07 | 2010-06-17 | Micrus Endovascular Corporation | Radiopaque super-elastic intravascular stent |
| CN102429750A (en) * | 2011-08-15 | 2012-05-02 | 微创医疗器械(上海)有限公司 | Intravascular stent with improved developing performance and method for improving developing performance of intravascular stent |
| CN102440856A (en) * | 2011-12-09 | 2012-05-09 | 微创医疗器械(上海)有限公司 | Biodegradable stent capable of being seen under X rays and preparation method of biodegradable stent |
| CN202802476U (en) * | 2012-06-19 | 2013-03-20 | 东莞市博迪思迈医疗器械有限公司 | X-ray development mark ring |
| CN105457105A (en) * | 2015-07-24 | 2016-04-06 | 中国科学院金属研究所 | Novel developable magnesium alloy intravascular stent |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420075A (en) * | 2019-06-27 | 2019-11-08 | 深圳市先健畅通医疗有限公司 | Overlay film frame |
| CN110420075B (en) * | 2019-06-27 | 2022-04-05 | 深圳市先健畅通医疗有限公司 | Covered stent |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170711 |
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| RJ01 | Rejection of invention patent application after publication |