Patent 3931654 Issued on January 13, 1976. Estimated Expiration Date: January 13, 1993. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
A device for positioning and supporting the lower leg and foot of a patient while lying on the side during periods of extended bedrest is formed from a block of polyurethane foam having resilient characteristics, and being of such configuration as to include a plurality of vertically extending sides between which an open arcuate groove extends longitudinally along the length of the block providing a cradle for the lower leg and a transverse slot extending across the vertical sides adjacent one end of the block for receiving a foot of a patient enabling the patient to lie on his side with the uppermost leg portion being positioned perpendicularly to the lower leg portion which is positioned perpendicularly to the foot.