PATIENT-SPECIFIC FEMOROACETABULAR IMPINGEMENT INSTRUMENTS AND METHODS
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Abstract
A device for a patient-specific acetabular and/or femoral guide. The guides can be used in a selected resection of at least one of a femur and an acetabulum to increase a range of motion of the femur relative to the acetabulum. Generally, a natural acetabulum and femoral head are maintained.
6 Citations
46 Claims
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1-22. -22. (canceled)
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23. A method of resecting a selected portion of an anatomy to improve range of motion of a femur relative to a pelvis in a specific patient, comprising:
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accessing image data of the patient including at least a portion of the pelvis and a portion of the femur at least including a femoral head of the femur and an acetabulum of the pelvis; generating a three dimensional (3D) model of at least a portion of the femur and the acetabulum based on the accessed image data; determining an appropriate resection of at least one of a femoral neck relative to another portion of the femur or the acetabulum to obtain a selected range of motion of the femur relative to the pelvis after a resection; and designing a patient specific guide instrument configured to guide the resection relative to the femoral neck, the patient specific guide instrument including a portion having an inner surface configured to specifically engage the femur of the patient based on the generated 3D model of at least the femur. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39)
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40. A method of resecting a selected portion of an anatomy to improve range of motion of a femur relative to a pelvis in a specific patient, comprising:
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analyzing a three dimensional (3D) model of at least a portion of the femur and the acetabulum based on image data; manipulating images of implant components on the 3D model to determine an appropriate resection of at least one of a femoral neck relative to another portion of the femur or the acetabulum to obtain a selected range of motion of the femur relative to the pelvis after the resection based on the 3D model; designing a patient specific guide instrument configured to guide a resection relative to the femoral neck, the patient specific guide instrument including a portion having an inner surface configured to specifically engage the femur of the patient based on the 3D model; and outputting a manipulatable surgical plan from the 3D model to assist in designing the patient specific guide instrument, the surgical plan including anatomic data of the femur derived from the 3D model. - View Dependent Claims (41, 42, 43, 44, 45, 46)
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Specification