Orthoses are all devices that support and protect the musculoskeletal system worn on the body in order to increase the performance of limbs that have partially or completely lost their orthosis function and to make them more usable .

Prosthetic arms and legs; It is the general name of all products that are applied in a way that adapts and imitates the organs that people lost their limbs such as limbs due to various sad reasons such as accidents and diseases .