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Locking lever for a cranial positioning apparatus

  • US 20060088370A1
  • Filed: 09/16/2004
  • Published: 04/27/2006
  • Est. Priority Date: 09/16/2004
  • Status: Abandoned Application
First Claim
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1. A device for positioning a surgical head clamp, relative to a base, comprising a plurality of arms, with one arm being connected to an adjacent arm so as to be pivotable about an end of the adjacent arm and including a locking lever on at least one of the arms to lock the associated arm against pivoting relative to the adjacent arm, the improvement comprising said locking lever having a release device comprising a pin carried by said one of said arms so as to be movable though an opening formed in said one of said arms against a spring, a portion of said pin being slidably disposed in a hollow tube having an end mounted on a side of said locking lever to extend substantially transversely therefrom and an opposite end, between said ends, said tube having movable detent means carried thereby and engageable by said pin, said pin having one segment for urging said detent means to a locking position and another segment for allowing release of said detent means from said locking position, a receptacle for said pin associated with said one arm, said receptacle including a recess for cooperation with said detent means when engaged thereby upon insertion of said pin into said receptacle, said pin having a head located on the side of said locking lever opposite to the side from which said tube extends.

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