A centrifugation machine for medical treatment of humans includes a plurality of support arms whereon a patient is restrained by straps, railings and footrests with his head adjacent the center of rotation. The patient is restrained in a supine position or by means of a truncated pyramid shaped accessory...http://www.google.ca/patents/US4890629?utm_source=gb-gplus-sharePatent US4890629 - Human centrifugation machine
