Lavage is a procedure where the joint is washed out with a saline solution to remove loose debris, usually from disintegration of joint cartilage.
Irrigation fluid enters the knee through the arthroscopic equiment, under modest pressure..
Arthroscopic lavage
Lavage is generally performed during knee arthroscopy with the patient under general anaesthesia, but can be done via wide-bore needle in the knee (under local anaesthetic).
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