发明名称 Obstetric vacuum extractor
摘要 An obstetric vacuum extractor is provided for assistance in the delivery of a baby. The extractor includes a suction cup of flexible polymeric material to be attached to a portion of the head of a baby. The cup has a flexible integrally formed hollow extension for connection to a source of vacuum and also being connectable to a handle. The cup also has an internal integral skirt extending from its inner surface, the skirt extending adjacent to the rim of the cup.
申请公布号 US5693058(A) 申请公布日期 1997.12.02
申请号 US19960660256 申请日期 1996.06.07
申请人 CAVANAGH, ALEXANDER J. M.;HOBBS, CARLTON C. 发明人 CAVANAGH, ALEXANDER J. M.;HOBBS, CARLTON C.
分类号 A61B17/30;A61B17/44;(IPC1-7):A61B17/42 主分类号 A61B17/30
代理机构 代理人
主权项
地址