Orthopaedic Implants – Measurement of Form Factors and Surface Finish

The term ‘orthopaedic implants’ covers a variety of artificial instruments that are utilized for replacing joints such as hips, knees, and so on in the body. These implants are now being increasingly used to replace damaged and/or arthritic joints. Nowadays, there are higher demands on manufacturers develop more durable implants because of the wider utilization of implants in younger patients and the increasing lifespan of individuals.

orthopaedic implant

Hip Implants

In the case of hip implants, the femoral head and cup’s form characteristics are vital for its load bearing capacity. Failure in hip joints is mostly because of the wear of the implants and wear particles generated. For example, osteolysis is the most common factor for femoral bone loss. This is attributed to various factors, from particulate debris to foreign body reaction and polymeric debris. Avoiding wear in hip joints is vital for successful hip implants. This need results in higher tolerances on surface finishes of the implants themselves. The Manufacture of hip joint is controlled by standards such as ISO 7206.

Knee Implants

Requirement for knee implants are analogous to hip implants and need optimum surface finish and form characteristics to assure required performance standards. Taylor Hobson provides orthopaedic implant developers a variety of surface finish measurement solutions that assist in enhancing the performance and quality of the implants.

Taylor Hobson

Taylor Hobson is an ultra-precision technology company operating at the highest levels of accuracy within the field of surface and form metrology. They provide contact and non-contact measurement solutions to the most demanding applications on a global basis, with a worldwide infrastructure to support our clients, wherever they may be.

This information has been sourced, reviewed and adapted from materials provided by Taylor Hobson.

For more information on this source, please visit Taylor Hobson.

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