公开(公告)号：US09993260B2

公开(公告)日：2018-06-12

申请号：US14552552

申请日：2014-11-25

申请人： Ethicon Endo-Surgery, Inc.

发明人： Michael J. Stokes ,  Jacob S. Gee ,  Kevin D. Felder ,  Taylor C. Muhlenkamp ,  Patrick J. Scoggins ,  Craig N. Faller ,  Jeffrey D. Messerly ,  David J. Cagle ,  William B. Weisenburgh

IPC分类号： A61B17/32 ,  A61N7/00 ,  A61B18/00 ,  A61B18/14 ,  A61B17/00 ,  A61B17/28 ,  A61B90/00

CPC分类号： A61B17/320092 ,  A61B17/320068 ,  A61B18/1442 ,  A61B2017/00353 ,  A61B2017/2825 ,  A61B2017/320078 ,  A61B2017/320084 ,  A61B2018/00011 ,  A61B2018/00107 ,  A61B2018/0063 ,  A61B2090/0436 ,  A61B2090/0472 ,  A61N7/00

摘要： An apparatus comprises a body, a shaft assembly, an end effector, and a shield member. The shaft assembly extends distally from the body. The end effector is located at a distal end of the shaft assembly. The end effector comprises an ultrasonic blade and a clamp arm. The ultrasonic blade is configured to vibrate at an ultrasonic frequency. The clamp arm is movable toward the ultrasonic blade to compress tissue against the ultrasonic blade. The shield member is selectively movable from a first position to a second position in response to movement of the clamp arm toward the ultrasonic blade. The shield member is configured cover at least a first portion of the ultrasonic blade in the first position. The shield member is configured to uncover the first portion of the ultrasonic blade in the second position.