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1. 发明专利

JPH0638976A NEEDLE FOR IMPLANTING EMBRYO IN ENDOMETRIUM 失效
公开(公告)号：JPH0638976A
公开(公告)日：1994-02-15
申请号：JP11086392
申请日：1992-04-03
申请人： ATOM MEDICAL CORP
发明人： GOTO YASUO , NODA YOICHI , MORI TAKAHIDE
IPC分类号： A61B10/02 , A61B10/00 , A61B17/425 , A61B17/43
摘要： PURPOSE:To enable the positioning of an initial embryo obtained by in vitro fertilization accurately at a specified part in an enbometrium by a device in which an elastic inner needle having a bent tip part and a rear end provided with a socket connectable to an injector is set and housed in a tubular outer needle. CONSTITUTION:When an initial embryo obtained by in vitro fertilization is implanted into a uterine cavity, first, an implant needle 1 is inserted into the uterine cavity 22 from a vagina 27 opened with a colposcope 11 checking the inserting position thereof with a CT scan or the like. The implant needle 1 is made up of an inner needle 2 excellent in elasticity and slidability made polytetrafluoroethylene or the like and a roughly linear outer needle 5 rather hard made of polyethylene. The inner needle 2 has a tip part 3 formed circular arc and an injector 10 is connected to a socket 4 provided at the rear end thereof. The outer needle 5 also has a tip part 6 round while a through hole is formed inside to allow the insertion of the inner needle 2 therethrough and a curved tip part 3 is made to stick out from the outer needle during the forward movement of the inner needle 2.

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