Knee Meniscus Surgery

View through the arthroscopic camera during key-hole knee surgery. The femur (thigh bone) is seen at the top of the picture with the tibia (lower leg bone) being seen below this. In between the two bones is the meniscus cartilage. In this instance the meniscus towards the back of the knee is seen to be normal, while the meniscus closer to the camera is torn. A small mechanical shaver has been placed within the knee to begin treating the tear.

The knee has two c-shaped cartilages called ‘menisci.’ These function as ‘shock-absorbers’ within the knee, distributing load within the joint. The menisci can be torn as the result of pivoting injuries or as part of long-term wear. Sometimes these tears may cause ongoing pain or persisting mechanical catching within the knee. In such cases the tear may be surgically managed with knee arthroscopy. This is a ‘key-hole’ procedure in which small incisions are used to introduce a camera and a working instrument into the knee in order to address the tear. The use of key-hole surgery means that patients generally have a rapid recovery and can usually return home the same day as their surgery.

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