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公开(公告)号：US10143484B2
公开(公告)日：2018-12-04
申请号：US14940848
申请日：2015-11-13
发明人： Dominik Volkmer , Jochen Stefan
摘要： A medical instrument with a hollow shaft and at the distal end a tool actuated via a spring-loaded pull cable, wherein the tool is rotatable about the longitudinal axis of the shaft and is mounted such that it can be angled with respect to the longitudinal axis of the shaft. Actuation of the pull cable and rotation and angled positioning of the tool take place via separate drives, which are arranged on a handle. An anti-twist means protects the pull cable against torsion.
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公开(公告)号：US10758295B2
公开(公告)日：2020-09-01
申请号：US15298594
申请日：2016-10-20
发明人： Dominik Volkmer , Jochen Stefan , Yann Thouément , Régis Besse
摘要： A microsurgical instrument, with a handle and a removably insertable engine block. The handle can be coupled with a work piece and includes a base body and, mounted in the base body, an input shaft for motorized actuation of at least one degree of freedom of the work piece. In addition, the handle has an engine interface, into which the engine block can be installed, and on which at least an electric contact and a mechanical coupling are situated, the mechanical coupling includes a claw coupling element that is non-rotatably connected with the input shaft and can be coupled with a corresponding claw coupling element of the engine block. In addition, the handle has an actuation element, with which a current flow through the electric contact of the engine interface can be activated and deactivated. The claw coupling element of the handle is mounted on the input shaft so that it can slide longitudinally.
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