supply of primary total knee arthroplasty (tka) system comprising sterile , srphc82427047-primary total knee arthroplasty (tka) system comprising steril e femoral components, modular tibial baseplates / trays that accept stem attachments (sh ort and long, cemented and press-fit options where applicable), polyethylene inserts, pate llar components. to be supplied with full instrument set. should be made up of material c obalt-chromium alloy or titanium alloy. should supply full range primary tibial tray and p rovide modular stem attachments compatible with the tibial tray: short (30?60 mm), mediu m (60?100 mm) and long (≥100 mm) lengths and a range of diameters (10?18 mm). medical-gra de uhmwpe, options for conventional and highly cross-linked polyethylene, antioxidant. p rovide tibial insert thickness range (5?18 mm in 2 mm/1mm increments) and locking mechanis m compatibility. should provide full range of femoral sizes and options (cr, ps). patellar b utton options (all-polyethylene) and thickness options. ]