Wright ProfemurHip Implant Lawsuit

If your hip implant is causing you pain, you may be entitled to financial compensation.

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Wright Profemur® Hip Replacement

Almost 200,000 hips are replaced annually in this country, and as our population grows older the number of replacements also continues to grow. Hip replacements usually are done because a patient has osteoarthritis, rheumatoid arthritis, or arthritis caused by some kind of trauma.

The hip join has a wide range of motion and can move virtually in any direction. This large ball and socket joint is composed of two basic parts:

  • The top portion of the thighbone called the head; the technical term for the thigh bone is the femur
  • The acetabulum is a bone shaped like a cup and is carved out of the pelvis

In total hip replacement surgery, artificial parts substitute for the head of the femur and the acetabulum, both of which are removed surgically. Total hip replacement surgery uses specially designed implants to replace the damaged portions of the patient's hip joint.

An artificial acetabulum, usually made of high density plastic replaces the hip socket. A metal ball replaces the head of the femur. A metal stem connects this femoral head to the shaft of the high bone.

How the Wright Hip Replacement Works

The surgeon goes through the following steps to substitute material for a new acetabulum and to place a new femoral head on a stem. The surgeon:

  • Makes an incision in the patient's hip to remove the femur from the hip socket and remove the damaged head of the femur
  • Removes the damaged cartilage and bone from the hip socket
  • Presses a metal shell into the hip socket, and sometimes uses screws or bone cement to fasten the shell in place
  • Locks a polyethylene (type of plastic) or ceramic liner into the metal shell
  • Hollows out the top part of the thigh bone to make a channel
  • Places the femoral stem into the channel
  • Attaches a femoral head in the shape of a ball to the implanted stem
  • Joins the femoral head to the newly lined hip socket

Problems With Hip Replacement Systems

A number of problems have been found with various hip replacement systems. When these systems fail, one solution is revision surgery, which means the patient must endure another surgical procedure to replace or repair the system.

  • A problem was found with the Depuy System which involves the acetabular cup which is too shallow to properly hold the femoral head. In addition, the metal on metal system sheds debris when the parts rub against each other.
  • The Wright replacement system failure involves the shaft of the femur, which in a large number of patients eventually breaks.

The Wright Profemur Z implant had an 11.2% failure rate within three years in patients in Australia, according to a report compiled by the Australian Joint Registry.

If you've had problems with your hip replacement, contact a Wright hip implant lawyer today.