Blood vessel shunting frame capable of reinforcing stability and blood vessel bracket

Abstract

The invention provides a blood vessel shunting frame capable of reinforcing stability. The blood vessel shunting frame comprises a main body pipe, wherein an airtight overlay film is arranged at one or two ends of the main body pipe, a main blood flow opening and one or more secondary blood flow openings are formed in each airtight overlay film, and one or more supporting members are arranged on the airtight overlay film, and are connected between the two adjacent edges of the main blood flow opening and the secondary blood flow openings. The supporting members can support the airtight overlayfilms, so that the airtight overlay films can be sufficiently spread, the airtight overlay films can be prevented from being folded to move towards the main blood flow opening or the secondary bloodflow opening, and blood in the blood vessel shunting frame can flow smoothly. The invention further provides a blood vessel bracket having the blood vessel shunting frame capable of reinforcing stability.

Description

technical field [0001] The invention relates to the technical field of implantable blood vessels, in particular to a blood vessel shunt frame with enhanced stability and a blood vessel stent provided with the blood vessel shunt frame. Background technique [0002] Aortic aneurysm refers to the local or diffuse abnormal expansion of the aortic wall, which compresses the surrounding organs and causes symptoms, and tumor-like rupture is its main risk. It often occurs in the ascending aorta, aortic arch, descending thoracic aorta, thoracoabdominal aorta, and abdominal aorta. According to the structure, aortic aneurysm can be divided into true aortic aneurysm and false aortic aneurysm. The aortic aneurysm causes an increase in the inner pressure of the blood vessel, so it is progressively enlarged. If it develops for a long time, it will eventually rupture. The larger the aneurysm, the greater the possibility of rupture. According to statistics, without surgical treatment, 90% ...

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Problems solved by technology

However, because the material of the sealing coating is relatively soft, the sealing coating is easy to incline toward the shunt opening, thereby interfering with or blocking the shunt opening, or even blocking the shunt opening. On the one hand, it is easy to cause poor blood flow in branch vessels; On the other hand, because of the blocking of the shunt opening by the sealing film, it is difficult to find the corresponding shunt opening of each branch when releasing multiple branch stents, which increases the difficulty and time of endoluminal treatment with multi-lumen stent-graft, and even It is easy to lead to the failure of its endovascular treatment

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