Arthroscopy joint by a portal on the outer border of the patella. It is not clear if these examinations were of deceased or of living patients. Pioneering work began as early as the 1920s with the work of Eugen Bircher. He published several papers in the 1920s about his use of arthroscopy of the knee for diagnostic purposes. After diagnosing torn tissue, he used open surgery to remove or repair the damaged tissue. Initially, he used an electric Jacobaeus thoracolaparoscope for his diagnostic procedures, which produced a dim view of the joint. Later, he developed a double-contrast approach to improve visibility.
Body broker Body broker A body broker (also non-transplant tissue banks) is a firm or an individual that buys and sells cadavers or human body parts. Whereas the market for organ transplantation is heavily regulated in the United States, the use of cadaver parts for research, training, and other uses is not. Trade in these body parts is performed in a manner akin to raw materials, though many brokers say they charge fees as opposed to selling body parts. Whereas body snatching was a common way of acquiring bodies for research up until the 20th century, modern body brokers usually receive cadavers