Patent ID: 8951273
Filing Date: 2015-02-10
Classification: A61B

Abstract:
1. A surgical instrument for endoscopic surgery having an endoscopic blade assembly, said blade assembly having a. a proximal connector, said connector enabling said blade assembly to be connected to a handle; b. a closed body, said closed body having a top, opposing sides, a distal end and a base opposite said top and containing a blade mechanism and optical system; c. an open region on said top at said distal end; said open region enabling a blade within said blade mechanism to extend beyond said top of said closed body and providing said optical system unobstructed visibility through said top; d. open windows on each of said opposing sides and extending from proximate said top toward said base, said windows providing said optical system unobstructed visibility through said opposing sides; e. an integrated tissue retractor spring, said spring being configured to lie within said open region until activated and once activated extending above said open region to support tissue during dissection; f. a blade activation shaft within said blade mechanism, said blade activation shaft having a groove to receive a bend in said spring.