Patent ID: 6206844
Filing Date: 2001-03-27
Classification: A61B

Abstract:
An ultrasonic surgical instrument comprising:an outer sheath wherein said outer sheath comprises;a first opening at a distal end of said outer sheath;a second opening at a proximal end of said outer sheath;first and second sheath pinholes through said outer sheath proximal to said first opening;a first sheath pin slot extending from said proximal end of said sheath to said first sheath pinhole;a second sheath pin slot extending from said proximal end of said sheath to said second sheath pinhole;an ultrasonic waveguide positioned within said outer sheath, said ultrasonic waveguide comprising;an end-effector extending from said opening of said outer sheath;a waveguide pinhole through said ultrasonic waveguide proximal to said end-effector;a connector pin, said connector pin extending through said first sheath pinhole, said waveguide pinhole and said second sheath pinhole; andan attachment hub surrounding said outer sheath, wherein said attachment hub is slidable over said outer sheath;a first pin slot on an inner surface of said attachment hub, wherein said connector pin engages said first pin slot when said attachment hub is in its proximal most position.