“…For many years, open debridement, the "house cleaning" operation, was the only possible surgical procedure for moderate degenerative arthritis of the knee [8,9,13,18,19]. Both Magnuson and Haggart described methods of wide joint exposure, shaving of fibrillated cartilage, removal of torn menisci and loose bodies, trimming of osteophytes, patellectomy if needed, and rarely synovectomy.…”