A mounting clip for holding a sterile cover means in place on an arm of a medical apparatus, the mounting clip being a substantially U-shaped clip formed from a resilient material allowing the ends of the mounting clip to flex towards and away from each other to facilitate gripping the arm. The inner end portions of the mounting clip have a leg pivoted thereto which in use engages the surface of the arm. A cover means for sterilizing an arm of a medical apparatus comprises a drape and a plurality of the mounting clips spaced along the cover means.
