This is an instrument used to examine the interior of a joint. Modern equipment for arthroscopy would have included a fiberoptic setup so that the arthroscopic views are taped with VCR and displayed on TV screen. In addition to viewing the condition of the joint, arthroscopy allows surgery to be performed for torn cartilage, torn ligament, arthritic conditions, loose fragments, and meniscal diseases. Material effects, risks and side effects: infection of the joint; bleeding in the joint; thrombophlebitis; and anaesthesia risks.