Patent ID: 8409175

Claim:
A guide device for controlling a manually operated medical instrument that includes at least a handle, instrument shaft and distal tool, said guide device comprising: an elongated guide shaft having proximal and distal ends and including an instrument lumen for receiving therethrough the manually operated medical instrument; a distal bendable member disposed at the distal end of the elongated guide shaft; a proximal bendable member disposed at the proximal end of the elongated guide shaft; actuation means extending between said distal and proximal bendable members and providing a bending of said distal bendable member controlled from said proximal bendable member; said proximal bendable member being controlled from said manually operated medical instrument to cause a corresponding bending of said distal bendable member and control of said distal tool; and a locking mechanism for fixing the position of the distal tool at a selected position and having locked and unlocked states; said locking mechanism including a ball and socket arrangement disposed about said proximal motion member and a cinch member for locking said ball and socket arrangement.