Patient-specific partial knee guides and other instruments

  • US 9,743,940 B2
  • Filed: 02/13/2015
  • Issued: 08/29/2017
  • Est. Priority Date: 04/29/2011
  • Status: Active Grant
First Claim
Patent Images

1. A surgical system for unicompartmental knee arthroplasty comprising:

  • a patient-specific unicompartmental tibial guide having a patient-specific body with an inner surface preoperatively configured to nestingly conform and mate in only one position with an anterior portion and a proximal portion of a tibial bone of a specific patient, the tibial guide including a proximal-distal resection channel having a first width formed between first and second flanges of the tibial guide, the proximal-distal resection channel being open in a proximal-distal direction; and

    a cutting insert having a first plate receivable in the proximal-distal resection channel to occupy a portion of the first width of the resection channel to form a second width smaller than the first width.

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