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Robot-aided system for surgery

  • US 5,236,432 A
  • Filed: 08/24/1992
  • Issued: 08/17/1993
  • Est. Priority Date: 04/26/1988
  • Status: Expired due to Fees
First Claim
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1. A method for specifying the desired position of a surgical alteration of a bone, the bone being rigidly mounted relative to a reference structure, the method being performed at least in part by a surgical system comprising a robot that includes a base rigidly mounted with respect to the reference structure, a mounting member, a manipulator connected between the base and the mounting member and permitting relative movement therebetween, position-sensing means for generating positional signals indicative of the position of the mounting member in a world coordiante system fixed relative to the reference structure, and attachment means for securing a template to the mounting member, a feature of said template indicating a feature of the alteration, said method comprising the steps of:

  • attaching the template to the mounting member of the robot;

    positioning the template relative to the bone so that the template feature is positioned so as to indicate the position of the alteration, the position being termed the reference position; and

    recording said reference position.

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