As a Noun: 1. An ARTHROSCOPY is when a tube is inserted into a joint (the knee, for example) to inspect or repair the joint tissue. Note: 1. There appears to be no commonly used Auslan sign for ARTHROSCOPY. If you know a sign for ARTHROSCOPY used by you or other Auslan users (deaf people or interpreters) please go to "missing sign feedback" and supply details. Thank you.