CN216754738U - Wave-shaped intravascular stent - Google Patents

Wave-shaped intravascular stent Download PDF

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CN216754738U
CN216754738U CN202122420135.1U CN202122420135U CN216754738U CN 216754738 U CN216754738 U CN 216754738U CN 202122420135 U CN202122420135 U CN 202122420135U CN 216754738 U CN216754738 U CN 216754738U
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wavy
blood vessel
wave
strip
annular
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CN202122420135.1U
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刘洪辉
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Jiangxi Anhongrui Technology Co ltd
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Jiangxi Anhongrui Technology Co ltd
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Abstract

The utility model relates to a vascular support technical field, concretely relates to wave vascular support. The intravascular stent body is formed by splicing an annular stent and a collision strip; the annular support is annular wave, and the annular support is equipped with the equidistant crisscross distribution of a plurality of axis extending direction, and the conflict strip is the strip wave, and the conflict strip is equipped with that a plurality of uses the annular support axle center even, and the conflict strip is with annular support outside fixed connection. Can effectively prolong the service life of the intravascular stent.

Description

Wave-shaped intravascular stent
Technical Field
The utility model relates to a wave blood vessel support technical field, specifically relate to a wave blood vessel support.
Background
With the development of society and the continuous improvement of the quality level of human life, health becomes the most concerned problem in daily life of people. Various acute and chronic vascular obstruction diseases caused by coronary atherosclerotic heart disease seriously endanger the life health and safety of human beings. Cardiovascular disease has become the first killer of human life health according to american heart association statistical data analysis. Currently, there are three major categories of treatment for cardiovascular diseases caused by vascular stenosis, including drug therapy, surgery and interventional therapy. The wave-shaped vascular stent interventional therapy is a main mode for effectively treating vascular occlusion diseases which is developed most rapidly and widely applied clinically at present, and has the characteristics of minimal invasion, high efficiency and the like.
The common wavy intravascular stent has poor flexibility and expansion supporting force, is pressed for a long time when being implanted into a human body, is difficult to reset along with the lapse of time, causes deformation, weakens the blood fluency at the blocked part of a blood vessel, and has poor deformation resistance so as to greatly reduce the service life of the wavy intravascular stent. There is a need for a wavy vascular stent.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need to provide a wavy blood vessel stent, which can effectively prolong the service life of the wavy blood vessel stent.
For solving the prior art problem, the technical scheme adopted by the utility model is as follows:
a wavy intravascular stent is characterized in that a wavy intravascular stent body is formed by splicing an annular stent and a collision strip; the annular support is cyclic annular wave, and the annular support is equipped with a plurality of axis extending direction equidistant crisscross distribution, and the conflict strip is the strip wave, and the conflict strip is equipped with that a plurality of uses the annular support axle center even, and the conflict strip is with annular support outside fixed connection.
Preferably, the inner wall and the outer wall of the wavy blood vessel stent are both wavy, and the inner wall and the outer wall of the wavy blood vessel stent are smooth surfaces.
Preferably, the cross-sectional opening of the wavy blood vessel stent is in a ring wavy shape.
Preferably, the wavy intravascular stent body is formed by splicing the annular stent and the contact strips, so that a plurality of hollowed holes are formed in the outer surface of the wavy intravascular stent body, and the hollowed holes are rectangular holes.
Preferably, the material of the wavy intravascular stent body is nickel titanium alloy.
Preferably, the material of the wavy intravascular stent body is memory alloy.
Compared with the prior art, the utility model has the beneficial effects that:
1. this application is through placing wave blood vessel support to the position that the blood vessel blockked up, and the ring carrier drives the even diffusion of touch strip and struts, and touch strip is contradicted with the blood vessel inner wall, and the outer wall of touch strip becomes the wave and contradicts to the blood vessel inner wall and makes wave blood vessel support fix in the jam position, and the touch strip can improve the vascular resistance to compression for outer wall one-tenth wave simultaneously and recover, and the ring carrier improves holding power and resistance to compression for cyclic annular wave and recovers, can effectual improvement wave blood vessel support life through this application.
2. The outer wall of the wavy intravascular stent is of a wavy structure, so that friction between the wavy intravascular stent and a vascular wall is increased, positioning after the wavy intravascular stent is implanted is facilitated, and flexibility of the wavy intravascular stent is improved; the inner wall is in a wave-shaped structure, so that the flexibility of the wave-shaped intravascular stent is improved.
3. This application is annular wave through wave vascular support's cross section opening, and the effectual intravascular intracavity of annular wave forms the swirling flow, improves the smoothness nature of blood flow.
4. This application forms by ring carrier and conflict strip concatenation and makes the surface form a plurality of fretwork holes through wave blood vessel support body, and the fretwork hole is the rectangle hole, is convenient for wave blood vessel support adaptation shrink through a plurality of fretwork holes.
5. The wavy intravascular stent body is made of nickel-titanium alloy, and the nickel-titanium alloy has the characteristics of wear resistance, corrosion resistance, high damping, superelasticity and the like. The wavy blood vessel stent can provide better strength when being implanted into a blood vessel. Compared with other types of wavy intravascular stents, the wavy intravascular stent made of nickel-titanium alloy has thinner wall thickness and is favorable for dredging the pathological change part when the same strength is supplied.
6. This application is through the material of wave intravascular stent body for memory alloy, and the effectual improvement wave intravascular stent resistance to compression resilience of memory alloy.
Drawings
FIG. 1 is a perspective view of an embodiment;
FIG. 2 is a front view of the embodiment;
FIG. 3 is an enlarged view of a portion of FIG. 2;
fig. 4 is a side view of the embodiment.
The reference numbers in the figures are:
1-a ring-shaped support; 2-touch bar.
Detailed Description
For a better understanding of the features and technical solutions of the present invention, together with the specific objects and functions attained by the invention, reference is made to the accompanying drawings and detailed description of the invention.
As shown in fig. 1 to 4:
a wavy intravascular stent is characterized in that a wavy intravascular stent body is formed by splicing an annular stent 2 and an abutting strip 1; annular support 2 is cyclic annular wave, and annular support 2 is equipped with the equidistant crisscross distribution of a plurality of axis extending direction, and the strip 1 is the strip wave, and the strip 1 is equipped with that a plurality of is even with 2 axle centers of annular support, and the strip 1 is with 2 outside fixed connection of annular support.
Based on above-mentioned embodiment, medical staff places the position that the blood vessel blockked up with wave blood vessel support, and annular frame 2 drives and supports the even diffusion of contact strip 1 and struts, supports contact strip 1 and vascular inner wall conflict, and the outer wall of contact strip 1 becomes the wave and conflicts to vascular inner wall and makes wave blood vessel support fix at the jam position, and contact strip 1 becomes the wave simultaneously and can improve the vascular resistance to compression and recover for the outer wall, and annular frame 2 improves holding power and resistance to compression and recovers for cyclic annular wave, can effectual improvement wave blood vessel support life through this application.
In order to solve the technical problems of positioning and supporting the wavy vascular stent and ensuring the vascular flexibility, as shown in fig. 1 and 2:
the inner wall and the outer wall of the wavy intravascular stent are both wavy, and the inner wall and the outer wall of the wavy intravascular stent are smooth surfaces.
Based on the embodiment, the outer wall of the wavy blood vessel support is of a wavy structure, so that friction between the wavy blood vessel support and a blood vessel wall is increased, positioning after the wavy blood vessel support is implanted is facilitated, and flexibility of the wavy blood vessel support is improved; the inner wall is in a wave-shaped structure, so that the flexibility of the wave-shaped intravascular stent is improved.
To solve the technical problem of blood circulation, as shown in fig. 4:
the opening of the cross section of the wavy intravascular stent is in a ring wavy shape.
Based on the embodiment, the opening of the cross section of the wavy intravascular stent is in the shape of annular waves, and swirling flow is formed in the effective intravascular cavity of the annular waves, so that the fluency of blood flow is improved.
In order to solve the technical problem of adaptability of the wavy intravascular stent, as shown in fig. 3:
the wave blood vessel support body is formed by annular support 2 and conflict 1 concatenation and makes the surface form a plurality of fretwork holes, and the fretwork hole is the rectangle hole.
Based on the above embodiment, the wavy intravascular stent body is formed by splicing the annular stent 2 and the contact strips 1, so that the outer surface of the wavy intravascular stent body forms a plurality of hollowed holes, the hollowed holes are rectangular holes, and the wavy intravascular stent body can be conveniently adapted to shrink through the hollowed holes.
In order to solve the technical problems of wear resistance, corrosion resistance, high damping and super elasticity of the wavy intravascular stent;
the wavy intravascular stent body is made of nickel-titanium alloy.
Based on the embodiment, the wavy intravascular stent body is made of nickel-titanium alloy, and the nickel-titanium alloy has the characteristics of wear resistance, corrosion resistance, high damping, superelasticity and the like. The wavy blood vessel stent can provide better strength when being implanted into a blood vessel. Compared with other types of wavy intravascular stents, the wavy intravascular stent made of nickel-titanium alloy has thinner wall thickness and is favorable for dredging the pathological change part when the same strength is supplied.
In order to solve the technical problem of the compression resilience of the wavy intravascular stent:
the wavy intravascular stent body is made of memory alloy.
Based on the embodiment, the material of the wave-shaped intravascular stent body is the memory alloy, and the memory alloy effectively improves the compression resilience of the wave-shaped intravascular stent.
This application is through placing wave blood vessel support to the position that the blood vessel blockked up, ring carrier 2 drives and props up to touch strip 1 even diffusion, touch strip 1 is contradicted with the vascular inner wall, the outer wall one-tenth wave of touch strip 1 is contradicted to the vascular inner wall and is made wave blood vessel support fix in the jam position, touch strip 1 simultaneously can improve the vascular resistance to compression for the outer wall one-tenth wave and recover, ring carrier 2 improves holding power and resistance to compression for cyclic annular wave and recovers, can effectual improvement wave blood vessel support life through this application.
The above examples, which represent only one or several embodiments of the present invention, are described in more detail and with particular reference thereto, but should not be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes and modifications can be made, which are within the scope of the present invention. Therefore, the scope of the present novel patent shall be subject to the appended claims.

Claims (6)

1. The wavy intravascular stent is characterized in that a wavy intravascular stent body is formed by splicing an annular stent (2) and a collision strip (1); the annular support (2) is annular wave, and annular support (2) are equipped with a plurality of axis extending direction equidistant crisscross distribution, and the strip (1) is the strip wave, and it is even with annular support (2) axle center to be equipped with a plurality of to the strip (1), and strip (1) and annular support (2) outside fixed connection.
2. The wavy blood vessel stent of claim 1, wherein the inner and outer walls of the wavy blood vessel stent are wavy and have smooth surfaces.
3. The wavy blood vessel stent of claim 1, wherein the cross-sectional opening of the wavy blood vessel stent is in a ring-shaped wavy shape.
4. The wavy blood vessel stent of claim 1, wherein the wavy blood vessel stent body is formed by splicing an annular stent (2) and an interference strip (1) to form a plurality of hollowed holes on the outer surface, and the hollowed holes are rectangular holes.
5. The wavy blood vessel stent of claim 1, wherein the material of the wavy blood vessel stent body is nickel titanium alloy.
6. The wavy blood vessel stent of claim 1, wherein the material of the wavy blood vessel stent body is a memory alloy.
CN202122420135.1U 2021-10-08 2021-10-08 Wave-shaped intravascular stent Active CN216754738U (en)

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Application Number Priority Date Filing Date Title
CN202122420135.1U CN216754738U (en) 2021-10-08 2021-10-08 Wave-shaped intravascular stent

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Application Number Priority Date Filing Date Title
CN202122420135.1U CN216754738U (en) 2021-10-08 2021-10-08 Wave-shaped intravascular stent

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CN216754738U true CN216754738U (en) 2022-06-17

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115844605A (en) * 2023-02-17 2023-03-28 太原理工大学 Artery blood vessel support

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115844605A (en) * 2023-02-17 2023-03-28 太原理工大学 Artery blood vessel support

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