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MEDICAL, IN PARTICULAR SURGICAL, SLIDING-SHAFT INSTRUMENT

  • US 20150209060A1
  • Filed: 08/28/2013
  • Published: 07/30/2015
  • Est. Priority Date: 09/04/2012
  • Status: Active Grant
First Claim
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1. A medical sliding-shaft instrument comprising:

  • a first handle arm;

    a second handle arm pivotably mounted with respect to the first handle arm;

    a shaft element connected to the first handle arm;

    a slider that is axially displaceable on the shaft element and is able to be coupled to the second handle arm, wherein the slider is removable from the shaft element in a retracted proximal end position of the slider'"'"'s sliding path and in the proximal end position of additional regions of the slider'"'"'s sliding path is displaced in the direction of a pushed-forward distal end position and wherein the slider is guided inseparably on the shaft element;

    a cross pin arranged on the slider is accommodated in a first slot of the first handle arm, wherein the first slot is open at the end and is bordered by two legs for coupling the second handle arm to the slider, wherein a first leg of the two legs bordering the first slot is formed as a resilient tongue that is movable outwardly and away from the second one leg of the two legs across the first leg'"'"'s longitudinal extent;

    wherein the second handle arm is positioned in the proximal end position so that the cross pin lies in the first slot and is at least partially covered and retained by the first leg, formed as a resilient tongue in a release direction, which is generally perpendicular from an axial line of the shaft element in the direction of the slider, and the cross pin is releasable from the slot by applying a releasing force in the release direction with displacement of an end of the first leg out of the slot, directed against the spring force of the resilient tongue, and wherein a lug is arranged on the proximal end of the slider, this lug protruding in the proximal end position beyond a proximal end of the shaft element and by means of which the releasing force acting in the release direction is able to be applied to the slider.

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