Patent ID: 8435260
Filing Date: 2013-05-07
Classification: A61B

Abstract:
1. A surgical instrument for minimally-invasive surgery, comprising a handle, a shaft and an actuating part, characterized by a gastight cover surrounding the shaft, wherein the cover is provided with a coupler that has a feed-through opening with a lockable seal through which feed-through opening, after the seal is unlocked, the shaft with the actuating part can reach; wherein the lockable seal can be unlocked by coupling the coupler with a coupling member of a trocar and that in the absence of this coupling member, the seal is locked; wherein the coupler comprises a locking pin operable by the coupling member of the trocar, which has a locking position and a release position, and that in the locking position the seal is locked and in the release position the feed-through opening is open to allow the shaft to pass through.