Endurance Hip Replacement


Mercer – Bucks Orthopaedics Compassionate & Comprehensive Patient Care

Primary Hip Replacement

Endurance™ Total Hip System

When considering total hip replacement surgery, the clinical performance of the implant is the patient's primary concern. The Endurance™ Total Hip System starts with an implant design that has been used successfully for more than 25 years and enhances that technology.

How Does the ENDURANCE Cemented Stem Work?

The hip joint is like a ball that fits in a socket. The socket part of the hip is called the acetabulum. The femoral head at the top of the thighbone (femur) rotates within the curved surface of the acetabulum.

In total hip replacement surgery, the acetabular cup, usually comprised of a metal shell with a plastic inner liner, replaces the acetabulum. The Endurance Hip System may be used in conjunction with the Pinnacle™ Acetabular Cup System. The PINNACLE Acetabular Cup System is made up of a metal component and a polyethylene or metal liner. The PINNACLE Acetabular Cup System is designed to replace the socket portion (acetabulum) of the pelvis.

The femoral component made up of the femoral stem and the femoral head (or ball) replaces the natural head of the femur.

With the ENDURANCE Total Hip System, surgeons use special tools to create space inside the femur. Then, bone cement is used to hold the femoral stem of the implant in place. The design of the ENDURANCE hip provides a secure fit. It may be a good match for people whose bones are weakened by age or disease.

Why Choose the ENDURANCE Hip for Total Hip Replacement?

The most important goal in hip replacement surgery is to match the natural placement of each part of the hip as closely as possible. This allows the most natural hip function and least wear and tear after surgery.

The ENDURANCE hip has a unique system that allows surgeons to match your hip structure using different offset options. Offset refers to the placement of the hip implant components in relation to each other. By choosing the best offset option for you, the surgeon can help to ensure that your new hip works well, not only for standing and walking, but also for more difficult activities like climbing stairs.

What are the Results with the ENDURANCE Total Hip System?

The ENDURANCE hip is based on a design developed by Sir John Charnley, a leading pioneer in the field of total hip replacement who is acknowledged by surgeons around the world. Research has shown that up to 95% of the Charnley hips were still secure and functioning 20 years after initial surgery.

In a study of the ENDURANCE Hip, 234 implants were placed in patients whose average age was 69 years.2 Researchers then rated the patients' level of pain, freedom of movement, and ability to do normal activities like dressing and sitting. On a scale of 0 to 100, the average score before surgery was only 47. Six months after surgery, the average score was 90. Even five years after surgery, patients in this study maintained the very high average score of 90.2.

Who is a Candidate for the ENDURANCE Total Hip System?

The most common causes of hip disease leading to hip replacement surgery are degenerative joint disease (also known as DJD or osteoarthritis) or rheumatoid arthritis. If chronic hip pain is affecting your quality of life and non-surgical treatments don't seem to be working, you may be a candidate for total joint surgery with the ENDURANCE Total Hip System.

Ask your MBO Specialist if the Endurance Hip is right for you.

Warnings and Precautions:

Components labeled for "Cemented Use Only" are to be implanted only with bone cement. The following conditions tend to adversely affect hip replacement implants: excessive patient weight, high levels of patient activity, likelihood of falls, poor bone stock, metabolic disorders, disabilities of other joints.

Adverse Events:

The following are the most frequent adverse events after hip arthroplasty: change in position of the components, loosening of components, fracture of components, dislocation, infection, tissue reaction.

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