supply of (srph item code 421019)hinged knee replacement prosthesis.(srph item code 421019)hinged knee replacement prosthesis.,(srph item code 421019)hinged knee replacement prosthesis -specification : 1)it s hould have titanium/cobalt -chromium hinge tibial platform with long keel and titanium ste m 2) rotating platform hiflex hinge femoral component with mobile bearing attached side s pecific sizes from 2-4 with femoral stem 3) both femoral and tibial stem need to be wedge a ttached. 4) the firm should bring necessary instruments for doing surgery with out any ex tra cost unit:no [ warranty period: 18 months after the date of delivery ] ]