发明名称 PERMANENT MIDDLE EAR VENT TUBE
摘要 A permanent middle ear vent tube and method for permanent ventilation of the middle ear include implanting a tube with a tubular base portion having at one end an eccentric flange and formed of a non-compressible material. The tube is implanted in a notch drilled into the bony canal wall and rotating the tube into place.
申请公布号 CA2037032(A1) 申请公布日期 1991.08.28
申请号 CA19912037032 申请日期 1991.02.25
申请人 SMITH & NEPHEW RICHARDS INC. 发明人 JAHN, ANTHONY F.
分类号 A61F11/00;(IPC1-7):A61M27/00 主分类号 A61F11/00
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