Heart valve replacement prosthesis and locking and fastening cardiac apex pad thereof
A heart valve replacement and prosthesis technology, which is applied in the field of medical devices, can solve the problems of the enlarged diameter and height of the apex pad body, the influence of the use effect, and the weak mechanics, and achieves the reduction of production costs, convenient assembly, and convenient production and processing. Effect
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[0032] The present invention makes a brand-new improvement on the basis of the existing apical pad structure, realizes the double safety fastening of the tether through two methods, and has simple production and processing, low cost, and both short-term and long-term fixation effects can be guaranteed. Has a good market prospect. Its specific example is as follows.
[0033] Refer to attached figure 1 As shown, the heart valve replacement prosthesis of this embodiment includes an outer stent 1 , an inner stent 2 , a tether 3 and an apical pad 4 . Among them, the outer bracket 1 and the inner bracket 2 are connected and assembled by plugging, the inner bracket 2 and the tether 3 are connected and assembled by crimping and suturing, and the apical pad 4 is used to fasten the tether 3 and is sealed in the suture. The outer side of the posterior apical membrane plays the role of fixing the internal and external stents and tethers, and blocking the apical membrane.
[0034] Refer...
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