Method and apparatus for a pin apparatus

  • US 9,820,868 B2
  • Filed: 03/30/2015
  • Issued: 11/21/2017
  • Est. Priority Date: 03/30/2015
  • Status: Active Grant
First Claim
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1. An acetabular guide system for placing a guide pin near an acetabulum, comprising:

  • a patient specific acetabular guide including an interior surface and an exterior surface, the exterior surface being configured to have a geometry to register within the acetabulum of a specific patient;

    an alignment drill insert configured to be received by the patient specific acetabular guide at a first location, the alignment drill insert having a first longitudinal bore configured to be received concentrically in a guide bore of the patient specific acetabular guide, the guide bore extending exterior to the interior surface;

    an anchored drill insert including at least one anti-withdrawal feature, such that the anchored drill insert is configured to be fixed to a boney portion exterior to the acetabulum at a second location a predetermined distance from the first location, the anchored drill insert forming a second longitudinal bore;

    an alignment pin configured to be received by the first longitudinal bore; and

    a coupler configured to couple the alignment pin to a driver, wherein the coupler is dimensioned to correspond to the predetermined distance between the first location and the second location, such that the driver can place the anchored drill insert at the second location based on the first location of the alignment drill insert.

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