Arthroscopy: How it works

Joint Orthopaedic Centre: hip, knee, replacement, resurfacing, reconstruction, arthritis, orthopaedic, orthopedic, surgeon, surgery, Sydney, Australia

Arthroscopy: how it works

In an arthroscopic examination, a small incision is made in the patient's skin, and a pencil shaped arthroscope is inserted with a miniature lens and light system that magnifies and illuminates the structures inside the joint. This small instrument varies from 3mm to 5mm in diameter.

Light is transmitted through fibreoptic cables to the end of the arthroscope that is inserted into the joints. By using a miniature television camera and screen combination, the interior of the joint is seen. The television camera attached to the arthroscope displays the image of the joint on a television screen.

The large image on the screen allows the joint to be seen directly to determine the extent of the injuries, and then perform the particular surgical procedure, if one is necessary.

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