surgeon holds scalpel near model of knee joint

anatomy arthritis arthroplasty arthroscopy arthrosis artificial background blue bursitis cartilage concept copy cruciate damage disease doctor endoprosthesis endoprosthetics endoscopy glove hand holds illness internal joint knee kneejoint layout ligament medical meniscus model modern near orthopedics pain prosthesis replacement restoration revision rupture scalpel sickness space stiflejoint surgeon surgery text therapy tissue treatment