Shoulder Replacement Surgery (Arthroplasty) | 合法醫療器材資訊網

2019年12月8日—Anorthopedicsurgeonwillreplacethenaturalboneintheballandsocketofyourshoulderjointwithamaterialthatcouldbemetalorplastic ...

If your shoulder[1] joint gets seriously damaged, you might need surgery to replace it. Before you have your procedure, you should know some things.

The joint[2] where your upper arm connects to your body is a ball-and-socket joint. The bone[3] in your upper arm, called the humerus, has a round end that fits into the curved structure on the outside of your shoulder blade.

Ligaments and tendons hold it together. Ligaments connect the bones, while tendons connect muscles to the bone. A layer of tissue called cartilage[4] keeps the bones apart, so they dont rub against each other.

The ball and socket lets you move your arm up and down, back and forward, or in a circle.

You may have to have it done if you have a condition that makes it painful and hard to use your arm, such as:

Your...