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Short Hip Stem Prostheses
 
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Development of Hip Endoprostheses

Over the last 30 years, hip joint replacement surgery has been in constant development. Nowadays, this surgery is numbered among the 20 most frequent operations performed in Germany with more than 200,000 primary interventions.

From the very beginning, special instruments were required to position implants with their respective shapes. Nowadays, the same set of instruments can be used for many implants. The great variety of prostheses makes it possible for the surgeon to suitably adapt to individual anatomical requirements.

Both the shape of the implant as well as the materials used have undergone continuous further development. Nowadays, all materials and prostheses meet DIN standards and have comparable material compositions.

For the most part, cementlessly anchored implants are fabricated from a titanium forged alloy and cemented implants are made of a cobalt chrome alloy. High-performance ceramics or powerful polyethylenes have gained acceptance as sliding contact surfaces.

Standardized clinical procedures from admission to discharge to a rehabilitation center are focused on the well-being of the patient and contribute to getting the patient mobile again.

In terms of selecting the prosthesis, straight stem prostheses haven proven to be especially successful in the past and their clinical relevance is underscored by service lives of more than 20 years.

Despite development and the great advancements that have been made, the fact remains that with the implantation of a prosthesis, we are dealing with a material that is not produced naturally in the body. As a result, follow-up examinations and new approaches are required for a long service life.