Novel covered intravascular stent used for aortic arch
A technique for aortic arch and vascular stents, applied in the field of new covered vascular stents, which can solve the problems of ineffective fit, tumor rupture, and high surgical risk, so as to improve safety and reliability, improve the ability to move and contract, and improve the use effect Effect
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[0023] refer to Figure 1 to Figure 3 , this embodiment relates to a new type of covered vascular stent for the aortic arch, including a keel 1, a wave ring 2 and a covering 3, the wave ring 2 is set in multiple and distributed along the length direction of the keel 1 respectively, the wave ring 2 It is fixedly connected to the keel 1 ; the covering film 3 covers the outer surface or inner surface of the wave ring 2 to form a tube support structure; the front part of the covering film 3 has a plurality of through holes 31 .
[0024] In the present invention, according to the growth position of the tumor, an appropriate number of wave circles 2 and the area of the through-hole 31 on the covering 3 can be selected, and then the stent of the present invention can be released in the aortic arch, passing through the round holes on the covering 3 The incision reduces the blood flow rate and blood pressure in the aortic aneurysm to create an environment for thromb...
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