Total hip replacement
Hip osteoarthritis is the wear of the cartilage, as explained in this video; it no longer protects the joint properly resulting in pain and difficulty in moving normally.
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The hip joint comprises the femoral head that articulates with the acetabulum. Osteoarthritis is the wear of the cartilage on the femoral head and the acetabulum.
A hip prosthesis comprises 2 main components. The worn femoral head is cut for the placement of the first component. The acetabulum is prepared using a motorised cutter for the impaction and the integration of the cotyloidal impant in the pelvis. The femur is then prepared using rasps for the insertion of the femoral stem of the correct size. The femoral head is then attached to the stem forming the second component. The hip replacement is complete. The hip recovers full mobility and is no longer painful. Cementless alumina-based implants are generally used providing optimal duration of the prosthesis. This replacement is performed using a minimally invasive anterior approach; all the hip muscles are preserved thus enabling rapid recovery and good stability. An incision can also be made in the groin for esthetic purposes.