Sealing means for endoscopic surgical anastomosis stapling instrument.

摘要

A sealed surgical stapling instrument (50) for performing a circular anastomosis stapling operation is provided. The surgical instrument (50) includes a stapling head assembly (60) mounted by a curved shaft (70) to an actuator handle assembly (80) and incorporates an improved actuator mechanism for transmitting the required operating forces and movements from the actuator handle assembly (80) through the curved shaft (70) to an anvil (100) and staple driver (62) of the stapling head assembly (60). Various mechanisms (72,76) for sealing the instrument (50) are disclosed. <IMAGE>