- Arthroplasty - if conservative treatment fails
- The total
Total hip joints
Heavy physical exertion in sports, a variety of diseases, injuries often lead to the fact that the function of a joint is completely broken and the person becomes disabled. If conservative treatment fails and surgery to restore joint function, the question arises about his arthroplasty.
Endoprosthesis of bones and joints
The first metal prosthetic femoral head was established in 1940 by Moore, in 1946, the brothers offered Zhyude endoprosthesis is an acrylic head, mounted on a special metal nails. These implants are designed to replace the articular end of one of the bones of the joint are called single-pole. In the future construction of single-pole endoprosthesis repeatedly improved.
The indication for unipolar hip replacement are usually false joints and fractures of the femoral neck in elderly and senile age, which is not recommended to prolonged bed rest.
In monopolar prosthetic hip joint is opened, the neck of the femur at the base and intersect with the head removed. Then create a channel of the femur firmly driven into his leg prosthesis, and the prosthesis reduce a head in the glenoid cavity, located on the pelvic bone. Thereafter, the capsule of the hip joint is reduced. Due to the fact that the odnoplyusnom hip arthroplasty femoral head cartilage is constantly in contact with the glenoid cavity and exerts pressure on him in this field may eventually develop degenerative (metabolic) changes in cartilage. Therefore hemiarthroplasty not recommended for persons young and middle age, and patients suffering from deforming arthrosis
Osteoarthritis - when the joint loses its function
In 1959 K.M.Sivash applied-metal hip prosthesis, which provided integrally at both ends of the joint. In 1960 he was employed a total hip prosthesis, comprising two components - a cup of polymer glenoid cavity and a metal femoral head prosthesis. Currently, there are advanced modern total endoprosthesis.
Totality hip prosthesis successfully used in deforming arthrosis, aseptic necrosis of the femoral head (the decay of the bone without infection), rheumatoid arthritis, complicated by joint stiffness, false joints
False joints - when the mobility of broken bones
femoral neck. Full dentures attach to the bone in two ways: mechanically and with a special polymer - akriltsementa.
Total Knee Arthroplasty produce, as a rule, a total endoprosthesis replacement of the articular surfaces of the femur and tibia.
The total endoprosthesis is used after surgery for malignant tumors of the femur. Held hip replacement, hip and knee. For this purpose implants hip and knee joints, connected by a titanium pin.
Endoprosthesis of shoulder, elbow and ankle joint is rarely done. For hip replacement
Endoprosthesis - when the most durable fabric fail
shoulder joint is used as a single-pole, and pervasive implants. For arthroplasty of the elbow joint is used mainly pervasive all-metal hinge prostheses.
In the postoperative period may develop inflammation, thrombosis, and others. A typical complication of joint replacement is the instability of the implant (its loosening in the bone), dislocation
Dislocation - Prevention and Treatment
femoral head from the glenoid cavity. There are so-called stress fractures endoprosthesis. In case of instability of the prosthesis it is replaced with a new one. If an abscess and can not be eliminated, the prosthesis is removed.
But in most cases, joint replacement now takes place without complications, and the artificial joint is used for a long time, fully restoring the function of the limb.