A patient restraint assembly, and table incorporating the assembly, includes a head restraint configured to extend around a patient's head, at least one securement member 4 extending from the first end of the head restraint, and at least one securement member 5 extending from the second end of the head restraint； the said securement members releasably securing the head restraint to a support table. An adjustment unit 15 is provided to adjust the tension in the securement member{s), applying the same force simultaneously to the securement member(s) at the first end and second ends of the head restraint. A kit including a table and the restraint assembly and a method of securing the head of a patient utilising the device is also included herein.
