Abstract: A medical device supporting apparatus for use in a medical environment to releasably secure a medical device to a support structure, the medical device supporting apparatus having a base member configured to releasably mount the medical device supporting apparatus on the support structure; and a medical device mounting assembly including a base attachment portion and a device attachment portion connected to the base attachment portion, and further including a connection mechanism mounting the base attachment portion on the base member for rotation about a roll axis relative to the base member whereby the medical device mounting assembly can hold the medical device at different selected angles about the roll axis with respect to the base member, the device attachment portion being constructed for translational, sliding reception of the medical device into mounting engagement with the device attachment portion. The medical device supporting apparatus also can have a tube holder.