Aorta abdominalis covered stent
A technology of covered stents and abdominal aorta, which is applied in the field of medical devices, can solve the problems of unsatisfactory long-term effects, the inability to fix the trumpet legs, and the inability to prevent the common iliac aneurysm from continuing to expand, so as to reduce type II endoleaks and structural Simple, easy-to-operate effects
Active Publication Date: 2015-04-29
胡锡祥
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Problems solved by technology
However, in some patients, bilateral common iliac arteries are involved, or the diameter of the common iliac arteries is greater than 27-30mm (the largest diameter of the existing trumpet leg), or the abdominal aortic aneurysm involves the common iliac artery and becomes pear-shaped, so the trumpet leg cannot be fixed
Moreover, trumpet legs cannot prevent the continued expansion of the common iliac aneurysm, and the long-term effect is not ideal
Method used
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[0035] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. The proximal end refers to the end close to the heart, and the distal end refers to the end away from the heart.
[0036] Such as Figure 2 to Figure 5 As shown, an abdominal aortic stent graft includes a main body in a "herringbone"-shaped three-way structure, and the main body is provided with a reserved branch 1 communicating with the main body.
[0037] The number of the preserved branches 1 is one or more, for example, two preserved branches can be set to preserve the bilateral internal iliac arteries. In the accompanying drawings, where figure 2 shows setting a reserved branch, figure 2 Two reserved branches are shown set.
[0038] Described main body comprises main branch 2, long branch 3 and short branch 4, and the length of described long branch 3 is greater than the length of described short branch 4, and shown main bran...
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Abstract
The invention relates to the field of medical apparatuses and instruments, and in particular relates to an aorta abdominalis covered stent. The aorta abdominalis covered stent comprises a covered stent body which is of a three-way structure; one or a plurality of remaining branches which communicate with the covered stent body are arranged on the covered stent body; one remaining branch can remain the internal iliac artery blood of one side, and two remaining branches can remain the internal iliac artery blood of two sides. According to the aorta abdominalis covered stent, the remaining branches are able to remain the internal iliac artery blood and can be connected with a small covered stent which enters an extending section of an internal iliac artery to remain internal iliac artery flood; the normal haemodynamics direction is met; the long-term effect is superior to that of the flared technology, sandwich technology or periscope technology.
Description
technical field [0001] The invention relates to the field of medical devices, in particular to an abdominal aortic stent graft. Background technique [0002] Aortic aneurysm is a common clinical vascular disease, which mostly occurs in the elderly. This disease can easily lead to aortic aneurysm rupture, which poses a great threat to the life of patients. General surgery was once considered the only way to treat the aorta, but this method is extremely risky. [0003] With the continuous development of modern medical technology, the use of minimally invasive surgery to implant covered stents into the human body to treat aortic aneurysms and dissecting aneurysms is being used more and more. This treatment method compresses the artificial covered stent into the delivery and release device, sends it into the human body along the guide wire implanted in advance, and delivers the delivery and release device to the diseased aorta, and then releases the covered stent. The film of ...
Claims
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Inventor 胡锡祥
Owner 胡锡祥