Dear Sir my wife is having otosclerosis, and here doctor suggests stapedectomy surgery, but unfortunately he told that they are using stainless prostheses but unfortunately she is having an allergy from metals and such items she is 23 years old and now she is using ear aid kindly suggest us what is the best solution for this case, and if there is any substitutes for that metal wire waiting for your urgent and kind reply thanks for your help and cooperation