Patent ID: 6375671
Filing Date: 2002-04-23
Classification: A61B

Abstract:
A closure device for transcatheter operations, said closure device comprising:a single, longitudinally elasticated fixing wire, said fixing wire having a shape-restoring force, a first end, a second end, a connecting portion, said connecting portion progressively and continually decreasing in size from the first end of said wire to the second end of said wire; a first circular portion secured at the first end of said wire; a second circular portion secured at the second end of said wire, wherein at least said first circular portion is fixedly secured in a first ring and said connecting portion secures said first circular portion to said second circular portion, and wherein the second circular portion has a free end and the second circular portion includes a second ring provided on said free end, said second ring serving as a holding portion and is relatively smaller than said first ring; and a closure membrane attached to said first circular portion for closing said first ring, said connecting portion being extended from the fixed circular portion and progressively decreased in size toward the opposite circular portion.