Patent ID: 6322579
Filing Date: 2001-11-27
Classification: A61B

Abstract:
Surgical sliding shaft instrument including:a guide element,a carriage in sliding engagement with said guide element,a grip element comprising a grip trunk, a stationary grip part, wherein one end of the stationary grip part is pivotably linked a to the guide element and wherein the stationary grip part is releasably interlocked with the guide element, and a movable grip part, wherein the movable grip part is pivotably linked to the grip trunk and wherein the moveable grip part is in operable engagement with the carriage via a push part which extends through a through-hole in the grip trunk,a compression spring for pretensioning of the moveable grip part in a starting or rest position, anda locking element for releasably connecting of the grip trunk and guide element,wherein the compression spring (28) is integrated in the carriage (14) and pretensions both the carriage (14) as well as the movable grip part (22) in the starting or rest position,wherein the compression spring (28) lies against a register (32) provided at the proximal end of the carriage (14) and wherein the register (32) is in touching contact with the push part (24), andwherein the inter-locking element (26) includes a spring-tensioned catch hook (42), which is in engagement with a locking hook (24) provided at the proximal end of the guide element (12).