Medical Instrument

摘要

A medical instrument with a handle arranged at the proximal end, with a shankarranged on the handle, and with a tool arranged at the distal end of the shank. The medical instrument can provide several functionalities, for example the rotation about the longitudinal axis of the medical instrument, the pivoting of the tool relative to the longitudinal axis of the medical instrument and/or the actuation of the tool, for example the opening or closing of scissors. Some of these functionalities are activated with the aid of a single common actuation element. By moving the actuation element between several switch positions, different functionalities are selected, and these are activated, e.g. by rotation of the actuation element.

主权项

1. A medical instrument with a handle arranged at the proximal end, with a shank arranged on the handle, and with a tool arranged at the distal end of the shank,
wherein an actuation element, arranged on the handle, is movable to at least two switch positions and has a selector shaft, wherein, in a first switch position for the activation of a first functionality, it is movably coupled to a first output and, in a second switch position for the activation of a second functionality, it is movably coupled to a second output of the medical instrument, wherein the selector shaft has a first coupling part which establishes a form fit with a first mating coupling part of the first output for the activation of a first functionality, and wherein the selector shaft has a second coupling part which establishes a form fit with a second mating coupling part of the second output for the activation of a second functionality, characterized in that the first and/or second coupling part has one or more resilient locking elements which are designed to be able to couple with a form fit to corresponding recesses on the respective first and/or second mating coupling part, and/or in that the first and/or second mating coupling part has one or more resilient locking elements which are designed to be able to couple with a form fit to corresponding recesses on the respective first and/or second coupling part.