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CAS modular body reference and limb position measurement system

  • US 20060015018A1
  • Filed: 08/04/2005
  • Published: 01/19/2006
  • Est. Priority Date: 02/04/2003
  • Status: Abandoned Application
First Claim
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1. A surgical bone reference assembly, adapted for communication with a computer assisted surgical system, comprising:

  • a bone anchor member, engageable to a bone element of a patient such that substantially no relative movement therebetween is possible;

    a trackable member comprising a detectable element adapted to be located and tracked in three dimensional space by the computer assisted surgical system, thereby defining position and movement of said trackable member;

    an adjustable support member having said trackable member disposed at a first end thereof, a second end of said support member being removably fastenable to said bone anchor member by an attachment member, said support member permitting variable positioning of said trackable member relative to said bone anchor member and being lockable to fix said trackable member in a desired position and orientation relative to said bone anchor member; and

    said support member, via said attachment member, being intra-operatively detachable from said bone anchor member and subsequently re-fastenable thereto such that said trackable member is in said desired position and orientation relative to the bone element.

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