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Bracket type blood vessel

A stent-type and blood vessel technology, applied in the field of stent-type blood vessels, can solve the problems of branch vessel contusion, operation failure, stent delivery, release branch introduction difficulties, etc., and achieve the effect of enhancing stability

Inactive Publication Date: 2012-03-14
郭伟 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, whether it is a one-piece or split structure, the outer branches of the main body stent are placed on the outside, which may cause contusion and blockage to the branch vessels during the release process, and in the case of blood flow, the swing of the branch vessel openings, giving a Difficulties in stent delivery, release, or introduction of branches, and may even cause greater risks such as surgical failure

Method used

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Embodiment Construction

[0021] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0022] Describe below in conjunction with accompanying drawing:

[0023] Such as figure 1 , 2 It is a schematic diagram of Embodiment 1 of the present invention. The vascular stent shown in the figure is composed of a main stent 1 and two embedded branches 11 and 12. Two openings 110 and 120 are provided on the side of the main stent 1, and two One end of the embedded branch 11, 12 support is respectively connected to the two openings 110, 120, and the other end extends to the inner wall of the main support, and is placed in the main support. Of course, as required, there may be one or more embedded branch supports connected to the main support, and the mutual positions of multiple embedded branch supports on the main support can be set according to the needs of use. In order to make the embedded branch more stable...

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Abstract

The invention discloses a novel bracket type blood vessel, which comprises a trunk and a branch part, wherein the trunk comprises at least one embedded branch which extends towards the inner wall of the trunk and is communicated with the trunk; the port of the embedded branch is trumpet-shaped; and after a bracket is released, the released trunk can be prevented from damaging a branch blood vessel, and the introducing joint stability of a split module is enhanced simultaneously. The novel bracket type blood vessel further comprises at least one epitaxial branch which extends outwards.

Description

Technical field [0001] The invention relates to the field of implantable blood vessels, in particular to an intervenable stent-type blood vessel. Background technique [0002] Aortic aneurysm and dissection are clinically very dangerous vascular diseases, and should be treated accordingly as soon as they are discovered. At present, the minimally invasive interventional therapy technology using the principle of intracavitary isolation has been widely used. It uses a delivery system with a small diameter to deliver the compressed stent-graft with support to the position of the vascular lesion. After accurate positioning, it is released to cover the diseased blood vessel, isolate the vascular lesion and form a new blood flow channels. [0003] The currently produced vascular stents can be divided into straight type, branch / fork type, etc. Among them, the branch / fork vascular stent includes an integrated structure and a split structure. The split structure is generally compose...

Claims

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Application Information

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IPC IPC(8): A61F2/06A61F2/82
Inventor 郭伟马晓辉
Owner 郭伟
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