<qa>  What type of tests did the prosthesis have?Prosthesis manufactured in 5 sizes and design of the prosthesis is aligned with a series of CT scans of the femur was carried out at Stanmore in London. Has developed instruments to ensure a uniform instrumentation and minimizing the risk of fractures in connection with the operation. Performed a series of laboratory tests and these tests, the prosthesis was found to be completely stable and even full load stable and the risk of fracture related to prosthesis insertion is minimized. 