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HANDLING INSTRUMENT FOR A BONE SCREW

  • US 20180325565A1
  • Filed: 11/10/2016
  • Published: 11/15/2018
  • Est. Priority Date: 11/26/2015
  • Status: Active Grant
First Claim
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1. Handling instrument for a bone screw, comprising a threaded shaft and a head, and it being possible to connect the handling instrument to the bone screw in a releasable yet rigid and rotationally fixed manner, such that the threaded shaft of the bone screw can be screwed into a bone by means of the handling instrument, said handling instrument comprising an outer housing part that extends in an axial longitudinal direction, is designed at least in portions in the shape of a tube and comprises a wall, and said handling instrument comprising an inner, rod part that is arranged in the outer housing part, the inner rod part being able to engage in a torque-absorbing tool placement point of the bone screw, characterized in that the outer housing part comprises at least one guide slot that extends in the axial longitudinal direction and that passes through a wall of the housing part, in that the inner rod part, in the region of the guide slot of the outer housing part, comprises a transverse opening that extends in the radial direction, and in that a coupling element can be arranged in said transverse opening of the inner rod part arranged in the outer housing part, the coupling element projecting into at least one of the guide slot of the outer housing part or outwards through the guide slot and in both cases being slidable in the longitudinal direction in the guide slot such that the inner rod part and the outer housing part are arranged so as to be shiftable in the axial longitudinal direction relative to one another, but in a rotationally fixed manner on account of the coupling element and such that the rod part can be loaded in the axial longitudinal direction by means of the coupling element.

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