| 摘要 |
Apparatus for closing an aperture in lumen, comprising: A) an elongated unitary strand comprising a central portion and extremity portions extending from said central portion, B) tips of said extremity portions remote from sa id central portion being pointed to engage and retain lumen encountered thereby , c) said strand being configured so that said tips are at the end of respecti ve curved portions and face in directions towards one another when said clip is an unconstrained state, free of internal stresses, D) said strand having a memory characteristic causing said clip when unconstrained to seek to return to an unstressed state with said tips seeking to draw together sufficently t o retain lumen engaged thereby for aperture closing growth therebetween.</SDOA B>
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