GLENOHUMERAL ARTHRITIS Aetiology: Osteoarthritis(associated with posterior glenoid wear) Rheumatoid arthritis( assoc. with central glenoid wear) Secondary degenerative joint disease -Repetitive and major trauma -End-stage AVN -Rotator cuff tear arthropathy -Arthritis associated with instability or surgery for instability Clinical Features: – Pain and stiffness in the shoulder – adduction and internal rotation deformity of the joint […]
Archives for August 2011
Oxinium bearings- Fact or Fiction
Oxinium or otherwise “oxidised zirconium” was suggested as a good bearing surface by Bourne in his article in CORR 2005. These oxinium surfaces are derived from a zirconium base that is heated and then infused with oxygen, transforming the outermost layer into a ceramic shell This surface possibly combines the fracture resistance of metal, with […]