Discovery® Elbow System

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Discovery® Elbow System
Category: DJO Shoulder

The Discovery® Elbow System features spherical condyles on the hinge to allow for increased articular surface contact. Hinge laxity allows for proper anatomical varus/valgus movement in the elbow, and the spherical condyles can be assembled in the joint from a posterior approach.

Description

Bearing Design

  • Spherical hinge reduces wear by providing increased articular surface contact area between the humeral and ulnar components
  • Varus/valgus laxity of 7 degrees
  • Optimized hinge size addresses individual anatomy by allowing any humeral component to be used with any ulnar component
  • Posterior hinge allows for assembly or disassembly without compromising either epicondyle

Humeral Stem

  • Bowed stem reproduces anatomy through 5 degree lateral offset and 5 degree internal rotation
  • Cylindrical base preserves bone to minimize stress risers at the supracondylar columns1
  • Anterior flange for enhanced rotational stability and to help prevent posterior sublaxation

Ulnar Stem

  • 23 degree anterior neck angle of stem allows for anatomic axis of motion
  • Polyethylene offset and lateral bow provide for reproduced anatomy
  • Clinically proven ArCom® polyethylene reduces the possibility of stress hemi-delamination and early polyethylene failure2,3

 

  • Figgie, M. P. et al. Total Elbow Arthroplasty. Total Joint Replacement. 659-706, 1991.
  • Won, C.H. et al. Effect of Resin Type and Manufacturing Method of Wear of Polyethylene Tibial Components. Clinical Orthopaedics and Related Research. 376: 161-71, 2000.
  • Currier, B. H. et al. Effect of Fabrication Method Resin Type on Performance of Tibal Bearings. Journal of Biomedical Materials Research. 53(2): 143-51, 2000.
     

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