Different materials have different service times, generally more than 10 years.

Prostheses are artificial prostheses specially designed, manufactured and assembled using engineering techniques and methods to compensate for amputees or incomplete limb defects, also known as "prosthetics". Its main function is to replace part of the lost limb functions and enable amputees to regain a certain ability to take care of themselves and work. It is applicable to amputees due to diseases, traffic accidents, work accidents, sports injuries, etc.

The materials used to make prostheses are mainly aluminum plates, wood, leather, plastics and metal mechanical parts. A good prosthesis must have good functions, be comfortable and convenient to wear, be lightweight and durable, and look like a healthy limb. Among the many prostheses we use, there are many different classifications and names according to their purpose, location, and prosthetic control system. The following is a brief introduction to the commonly used and more advanced prostheses.

Decorative upper limb prostheses: This kind of prostheses does not have the function of working and taking care of yourself in life. Its main function is to make up for the appearance of the upper limbs and maintain the balance of the limbs. It is mainly used for patients with high upper arm amputation, shoulder joint disconnection, and scapular girdle disconnection.