Vascular Grafts
Vascular Grafts materials made of synthetic materials are used to repair damaged or diseased arteries, replace entire portions of bigger arteries like the aorta, and create stitching cuffs (as with the heart valve mentioned above). In addition, the internal diameter of the graft should remain constant under a wide range of flexing and bending conditions, and the vessel's modulus or compliance should be comparable to that of the natural vessel. Such materials must be flexible to accommodate the challenges of implantation and prevent irritating nearby tissues.
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