BRAD NELSON / CUSTOM MEDICAL STOCK PHOTO / SCIENCE PHOTO LIBRARY BRAD NELSON / CUSTOM MEDICAL STOCK PHOTO / SCIENCE PHOTO LIBRARY
Arthroscopy of the knee. View of an arthroscope (type of endoscope) being used by an orthopaedic surgeon, on a patient's knee joint. The arthroscope is held in the surgeon's left hand; a probe is held in the surgeon's right hand. An arthroscope is a rigid steel tube containing optical fibres, a lens and light source, sometimes a TV monitor, and surgical instruments (forceps and scalpel attachments). The tube is inserted through a small incision in the knee, giving the surgeon access to remove or reshape any damaged cartilage by remote manipulation. This is known as minimally-invasive "keyhole" surgery.
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