SL-PLUS

A message from the designer, Dr. Karl Zweymüller:

"My cementless stem system which consists of a tapered straight stem with a rectangular cross-section was implanted for the first time in 1979. Based on the follow-up of cases, gradual improvements were made, culminating in the development of the SL stem in 1986. This new system covered a large majority of indications, and the results were much better than those achieved with the original implant.

The current SL-PLUS straight stem integrates the constructional features which have shown to promote extensive, long-section bony anchorage. However, changes have been made at the proximal end of the implant in order to optimize the intraoperative handling of the implant and to increase primary anchorage by improving the proximal transmission of forces.

The positive long-term clinical results reinforce our faith in this stem concept and encourage us to continue improving it, based on the experience gained."

Vienna, December 1996
Prof. Dr. med. K. Zweymüller
Orthopaedic Clinic
Vienna - Gersthof