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Patient specific alignment guide and inter-operative adjustment

  • US 8,070,752 B2
  • Filed: 01/09/2008
  • Issued: 12/06/2011
  • Est. Priority Date: 02/27/2006
  • Status: Expired due to Fees
First Claim
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1. A method of preparing a joint for a prosthesis in a patient, the method comprising:

  • securing a patient-specific alignment guide to a joint surface of the patient, the patient-specific alignment guide having an inner three-dimensional surface configured to conform and mate in nesting relationship with the joint surface of the patient according to a preoperative surgical plan for the patient;

    attaching a guide element through the alignment guide to the joint surface;

    removing the alignment guide without removing the guide element;

    supporting an adjustable cutting block having a body and an adjustable cutting guide on the guide element;

    intraoperatively modifying the preoperative surgical plan of the patient by adjusting an orientation of the cutting guide relative to the body of the cutting block by rotating a rotational member, the rotational member pivotably coupled to the body of the adjustable cutting block at a first end and releasably connected to the body of the adjustable cutting block at a second end; and

    resecting the joint surface using the adjustable cutting block.

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