Sometimes, the metal stem is attached to a ceramic ball. The femoral component (stem and ball) replaces the femoral head. The plastic used is so tough and slick that you could ice skate on a sheet of it without much damage to the material. The acetabular component is made of a metal shell with a plastic inner liner that provides the bearing surface. The acetabular component (socket) replaces the acetabulum. The decision about whether to use a cemented or uncemented artificial hip is usually made by the surgeon based on your age and lifestyle, and the surgeon's experience.Įach prosthesis is made of two main parts. In some cases a combination of the two types is used in which the ball portion of the prosthesis is cemented into place, and the socket not cemented. There are two major types of artificial hip replacements:Ī cemented prosthesis is held in place by a type of epoxy cement that attaches the metal to the bone.Īn uncemented prosthesis bears a fine mesh of holes on the surface that allows bone to grow into the mesh and attach the prosthesis to the bone.īoth are still widely used. At the time of the operation, if you need to have a blood transfusion you will receive your own blood back from the blood bank. This blood can be donated three to five weeks before the operation, and your body will make new blood cells to replace the loss. You may be asked to donate some of your own blood before the operation. Related Document: Endurance Rehabilitation and Wellness Center, PCs Guide to Artificial Hip Dislocation PrecautionsĮndurance Rehabilitation and Wellness Center, PC provides services for Physical Therapy in East Brunswick.įinally, the Physical Therapist assesses any needs you will have at home once you're released from the hospital. Some surgeons give the OK to discontinue the precautions after six to 12 weeks because they feel the soft tissues have gained enough strength by this time to keep the joint from dislocating. Your Physical Therapist will review these precautions with you during the preoperative visit and will drill you often to make sure you practice them at all times for at least six weeks. To prevent dislocation, patients follow strict guidelines about which hip positions to avoid (called hip precautions). This puts the hip at some risk for dislocation after surgery. This procedure requires the surgeon to open up the hip joint during surgery. Whether the surgeon uses a cemented or noncemented approach may determine how much weight you will be able to apply through your foot while walking. You will also be trained in the use of either a walker or crutches. You will begin to practice some of the exercises you will use just after surgery. This includes measurements of your current pain levels, functional abilities, and the movement and strength of each hip.Ī second purpose of the preoperative therapy visit is to prepare you for your upcoming surgery. One purpose of the preoperative Physical Therapy visit is to record a baseline of information. You may also need to spend time with the Physical Therapist who will be managing your rehabilitation after the surgery. This is to ensure that you are in the best possible condition to undergo the operation. Your orthopedic surgeon may suggest a complete physical examination by your medical or family doctor. Once the decision to proceed with surgery is made, several things may need to be done. The decision to proceed with surgery should be made jointly by you and your surgeon only after you feel that you understand as much about the procedure as possible.
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