Patent ID: 8608766
Filing Date: 2013-12-17
Classification: A61B,A61M

Abstract:
1. A rotary powered surgical tissue cutting instrument comprising: an elongate tubular outer member having a proximal end, a distal end, and an internal passage and an exterior surface extending between the proximal end and the distal end, the outer member having a main body length section and a proximal length section, and an annular abutment surface disposed at the exterior surface between the main body length section and the proximal length section; an elongate inner member rotatably disposed within the internal passage, the inner member having a proximal end and a distal end and a cutting element disposed at the distal end; a handpiece comprising a housing having a front end terminating distally at a front end surface and a chamber configured to receive the proximal ends of the inner member and the outer member and maintain the outer member stationary relative to the inner member; and an irrigation system comprising: