Smith & Nephew to pull metal liner in hip replacements
Smith & Nephew announced Friday that it was pulling a metal liner used in hip replacements from the market.The London company said the device is the optional metal liner for its R3 Acetabular System hip devices. Smith & Nephew said it is "not satisfied with the clinical results" of the liner because some patients needed an additional surgery to have the liner removed. It described the move as a precaution and said patients who have not experienced problems don't need…