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The large size cap and cup of the hip resurfacing devices are the same size as a person's original ball and socket and thus are less prone to dislocation. An often forgotten but very important advantage of hip resurfacing and thereby the retention of the femoral neck is the fact that hip resurfacing has the least measurable amount of "stress ...
That reduced the size of the ball at the end of the femur and smoothed the hip socket, which had arthritis. ... Banka said the metal used in hip resurfacing to cap the ball of the femur and create ...
Although hip resurfacing has been around for some 40 years, the contemporary metal on metal bearing hip resurfacing has only increased in popularity amongst surgeons and patients in the past decade. [10] Health-related quality of life measures were markedly improved and patient satisfaction was favorable after hip resurfacing arthroplasty. [11]
Rehabilitation following any articular cartilage repair procedure is paramount for the success of any articular cartilage resurfacing technique. The rehabilitation is often long and demanding. The main reason is that it takes a long time for the cartilage cells to adapt and mature into repair tissue. Cartilage is a slow adapting substance.
With a high early failure rate it was taken off the market within 3 years. More careful surveillance by the UK National Joint Registry indicated that resurfacings in women had a higher failure rate, as any head size of 46mm and less had. In 2004 John O'Hara worked with Finsbury Orthopaedics to develop the ADEPT hip resurfacing.
The analysis of 402,051 hip replacements showed that 6.2% of metal-on-metal hip implants had failed within five years, compared to 1.7% of metal-on-plastic and 2.3% of ceramic-on-ceramic hip implants. Each 1 mm (0.039 in) increase in head size of metal-on-metal hip implants was associated with a 2% increase in failure rate. [63]
Resurfacing arthroplasty, where one or both bone surfaces are trimmed and replaced with a smooth metal covering. [2] Mold arthroplasty, Silicone replacement arthroplasty; Osteotomy to restore or modify joint congruity.
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related to: hip resurfacing cap size