JOHN GREIM / SCIENCE PHOTO LIBRARY JOHN GREIM / SCIENCE PHOTO LIBRARY
Arthroscope. View of an arthroscope held in a surgeons hands. The leading tip of the instrument is seen at bottom; an optic fibre cable, power source cable connection, and control buttons are seen. An arthroscope is a type of endoscope used to examine joints of the body. The leading tip is inserted into position beneath the skin. Through an eyepiece the surgeon can guide the tip to a precise site within the joint. Small instruments (forceps and scalpel) may then be inserted through the endoscope to perform remedial surgery. It is a minimally-invasive procedure which has the added advantage of leaving a tiny scar ("keyhole surgery").
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