Object: Electronic Auction - Acquisition Of Knee, Hip And Humerus Endoprosthesis Material To Be Used In Surgeries Of Patients With Extensive Bone Loss And Infection Or Bone Metastasis, Aiming To Meet Patients With Functional Movement Limitation, Hindering The Debulation And Daily Activities, To Meet The Needs Of The Federal Hospital Orthopedics And Traumatology Service. Ipanema.