VALVED STENT, BASE MATERIAL FOR FORMING VALVED STENT, AND METHOD FOR PRODUCING VALVED STENT
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Sep 7, 2012
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Sep 9, 2011
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Abstract
The present invention provides a valved stent that can provide a valve function without blocking a branch blood vessel, and also can provide a valve function with minimum covering of blood vessel tissue in a stent indwelling section. Specifically, a cylindrical stent body 4 is provided. A leaflet 5 that can open/close a blood vessel 2 in a blood flow direction is provided. The leaflet 5 is composed of connective tissue and protrudes radially inward from the stent body 4. An inside and an outside of the stent body 4 radially communicate with each other. The stent does not block a branch blood vessel 8. An area of the blood vessel covered with the stent is reduced.
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