Patent ID: 9060788
Filing Date: 2015-06-23
Classification: A61B

Abstract:
1. An orthopedic device for hip joint arthroplasty comprising: a patient-specific acetabular guide having a dome-shaped body that includes a peripheral annular rim and an outer three-dimensional surface configured to match an acetabulum of a specific patient's hip joint, wherein the outer three-dimensional surface is reconstructed from three-dimensional medical images of the specific patient's hip joint according to a preoperative plan for the specific patient; a patient-specific registration guide configured to be removably attached to the peripheral rim and having surface that defines a longitudinal bore defining a patient-specific alignment axis with an alignment orientation configured for guiding an acetabular implant for the specific patient, the registration guide having a patient-specific undersurface configured to mate with a corresponding surface of periacetabular surface of the acetabulum of the specific patient according to the preoperative plan for the specific patient; and a removable drill insert received in the longitudinal bore of the registration guide, wherein the removable drill insert includes an insert bore received concentrically within the longitudinal bore for guiding drilling along the alignment axis exterior to the patient-specific acetabular guide.