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Endoluminal stent

A technology on a lumen and a stent, which is applied in the field of lumen stents, can solve problems such as air embolism risk and dangerous operation process, and achieve the effects of relieving blood flow pressure, reducing continuous impact, and reducing the risk of displacement

Active Publication Date: 2021-10-19
LIFETECH SCIENTIFIC (SHENZHEN) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing multi-layer stents may cause the risk of air embolism during the operation, causing danger to the operation process

Method used

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Embodiment Construction

[0030] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present invention, so the present invention is not limited by the specific implementations disclosed below.

[0031] It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directl...

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Abstract

The invention relates to a luminal stent, comprising: a radially compressible inner stent, the inner stent is a tubular structure with two ends open and a middle seal; an outer stent sheathed on the inner stent, The outer bracket covers at least part of the inner bracket, one end of the outer bracket is sealed and connected to the inner bracket, and several through holes are arranged on the outer bracket, and the through holes are close to the The connection between the outer layer support and the inner layer support is provided. The above-mentioned luminal stent, since the outer stent is provided with a through hole, after being loaded into the delivery system, the physiological saline can flow into the cavity surrounded by the outer stent and the inner stent along with the through hole to remove the air in the cavity. All are driven out to prevent the risk of air embolism after the endoluminal stent is implanted in the body.

Description

technical field [0001] The invention relates to the field of medical instruments, in particular to a lumen support. Background technique [0002] With the development of endoluminal technology, the application of vascular stents is increasing. In the past, dissection and aneurysm of the aorta could only be treated by traditional surgical techniques or hybrid techniques. Now, the release of aortic stent graft can achieve the purpose of minimally invasive treatment, with good therapeutic effect and few surgical complications. [0003] At present, in order to isolate the breach without affecting the blood supply of important branch vessels, one or more "chimney" stents are usually released between the aortic stent graft and the inner wall of the aorta to form the blood flow of important branch vessels In this way, it can ensure that the aortic stent graft covers the rupture of arterial dissection or isolates the cavity of the aortic aneurysm without covering important branch v...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F2/07
CPCA61F2/07
Inventor 肖本好方毅
Owner LIFETECH SCIENTIFIC (SHENZHEN) CO LTD
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