Innovative Birmingham Hip Resurfacing™ System preserves bone and joint stability for young, active patients.

November 6, 2006

Columbia, MO - Dr. Ben Holt of the Columbia Orthopedic Group is the first surgeon in Columbia and among the first in the country to perform the new Birmingham Hip Resurfacing (BHR) technique. Rather than replacing the entire hip joint, as in a total hip replacement, hip resurfacing simply shaves and caps a few centimeters of bone within the joint.

The Birmingham Hip’s bone-conserving approach preserves more of the patient’s natural bone structures and stability, covering the joint’s surfaces with an all-metal implant that more closely resembles a tooth cap than a hip implant. This approach reduces the post-operative risks of dislocation and inaccurate leg length, and because the all-metal implant is made from tough, smooth cobalt chrome, it has the potential to last longer than traditional hip implants.

“The Birmingham Hip Resurfacing technique is designed for younger, more active patients to allow them to maintain a more active lifestyle than what would typically be allowed for traditional hip replacement patients,” explains Dr. Holt.

The Birmingham Hip implant is intended for patients suffering from hip pain due to osteoarthritis, dysplasia or avascular necrosis, and for whom total hip replacement may not be appropriate due to their increased level of physical activity. For this reason, most surgeons feel it is generally best for men under the age 65 and women under the age of 55 who live non-sedentary lifestyles.

About the Birmingham Hip Resurfacing Implant

While the BHR implant closely matches the size of a patient’s natural femoral head (hip ball), it is substantially larger than the femoral head of a traditional total hip replacement implant. This increased size translates to greater stability in the new joint, and it decreases the chance of dislocation of the implant after surgery. Dislocation is a leading cause of implant failure after total hip replacement.

Total hip replacement involves the removal of the entire femoral head and neck. The Birmingham Hip resurfacing technique, however, leaves the head and neck untouched. It is this neck length and angle that determines the natural length of a patient’s leg after surgery, and since it is not removed and replaced with an artificial device during the resurfacing procedure, there is a greater likelihood of maintaining accurate leg length.

The Birmingham Hip implant is an all-metal ball and socket joint. Traditional hip replacements use a metal ball and a plastic socket. As would be assumed, this plastic socket wears down over time, and may need to be replaced surgically. In fact, it is a leading cause of follow-up surgeries. All-metal total hip replacements reduce joint wear by 97-percent compared to total hip implants containing these plastic sockets.

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