A portal in the knee is the small cut made by the surgeon during arthroscopy, to allow the passage of the instruments.

keyhole surgery training model showing the portals
Standard portals marked on an arthroscopy training model.

Diagnostic Arthroscopy

This course gives one an overview of the anatomy of the knee as the surgeon sees it during arthroscopy. The reader will get an idea of how the surgeon's view inside the knee is dependent upon the positioning of the portals and instruments.