Artificial Thumb Replacement
Replace the joint 8 take out a wrist bone and place an artificial spacer in that spot the most common procedure is lrti ligament reconstruction and tendon interposition which is where the trapezius bone that makes up half of the cmc joint is removed and a tendon is inserted.
Artificial thumb replacement. If the implant does not work. The ball implant allows the bones to glide smoothly. A patient s guide to artificial joint replacement of the thumb introduction. Your healthcare provider will talk to you about how to prepare for surgery.
Some of the most common complications with an artificial joint replacement of the thumb are highlighted below. During surgery your surgeon will make a cut in your finger to take out your joint and replace it with a. Reaction to the anesthesia infection nerve damage prosthesis failure. Implant wear and tear.
These new parts may be made of special metal or plastic or specific kinds of carbon coated implants. Thus the most common joint replacement procedure for the thumb base is done with natural material. In another joint replacement procedure called spherical implant surgery a small ceramic ball is placed between the ends of the bones to form a new joint. How do i prepare for thumb arthroplasty.
Early implants were made of silicone. Thumb arthroplasty is surgery to replace part or all of the joint at the base of your thumb. Your artificial joint can get worn down over time and it can also be damaged. Arthritis of this joint is very common especially in women and frequently requires joint replacement.
The surgeon removes the ends of the bones and creates an area for the ball to fit snuggly in the joint. Surgeons now use metal or pyrocarbon prostheses and cushioning synthetic spacers that sit between the bones. If nonsurgical treatments are not successful in easing problems of thumb arthritis your doctor may. Knuckle wrist finger joint replacement in a joint replacement the abnormal bone and lining structures of the joint are removed surgically and new parts are inserted in their places.
Patients typically go home the same day wearing a splint that immobilizes the wrist and thumb for two. Attempts at silicone replacement of this joint have not been as successful as hoped due to implant failure and bone destruction. Which parts of the thumb are involved. This joint is where your thumb bone and wrist bone meet.
The cmc joint an abbreviation for carpometacarpal joint of the.