Occluder for rupture of aortic sinusal aneurysm

Abstract

The invention discloses an occluder for rupture of aortic sinusal aneurysm. A fabric body comprises a circular-arc area, a cylindrical area and a circular disk area, wherein the edge of the circular-arc area is formed by extending out of the outer edge of the cylindrical area by 3-4 millimeters; the cylindrical area is a hollow cylinder of which the diameter is 4-20 millimeters, and the thickness is 2.5-4 millimeters; the circular disk area is a circular flat plate which extends outwards by 0.5-2 millimeters; the closed portion of the fabric body is positioned in the center of the circular disk area and is depressed inwards, and a threaded column is fixed to a recess; expanded films are arranged in the internal cavities of the circular-arc area, the cylindrical area and circular-disk area respectively. The radian of the circular-arc area can be perfectly jointed with one side of an aortic valve, thereby realizing protection in the swinging process of the aortic valve; since the convex edge of the circular disk area is small, a clamping function can be realized; meanwhile, resistance to blood during the flow of blood is reduced as much as possible, and the blood flow smoothness is ensured.

Description

technical field [0001] The invention relates to the field of occluders used in aortic sinus aneurysm rupture closure surgery, in particular to an aortic sinus aneurysm rupture occluder. Background technique [0002] Aortic sinus aneurysm rupture, also known as Valsian sinus aneurysm rupture, is due to the lack of normal elastic tissue and muscle tissue in the aortic sinus wall, which is impacted by high-pressure blood flow and gradually forms a cystic tumor that protrudes outward and eventually ruptures. . This disease is a rare congenital heart disease. The adult incidence rate of this disease is high, and the state of an illness appears suddenly and develops rapidly. The curative effect of the surgery is definite, the mortality rate is low, and the normal heart function can be completely restored after the operation. [0003] During surgery, care should be taken [0004] 1. The aorta and sinus aneurysm break into the cardiac chamber through double incision, and the sin...

AI Technical Summary

Problems solved by technology

[0010] In order to solve the deficiencies of the prior art, the present invention provides an aortic sinus aneurysm rupture occluder, which is used for occluding the rupture of the aortic sinus aneurysm. It is a special seal designed for the specific shape and structure of the aortic valve. The occluder should solve the phenomenon that the existing occlusion is prone to thrombus, and at the same time, it should be more closely attached to the aortic valve.

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