Patent ID: 7582102

Claim:
A pressure control apparatus for restricting a flow of blood through or from a body part, the apparatus comprising: a member for mounting on the body part, the member having a first end and a second end; a primary tightening device mounted on the member for adjusting a pressure of the apparatus on the body part, wherein the primary tightening device comprises: a retracting device; a platen slidably mounted on the member between the first end of the member and the retracting device; at least one elongated flexible element extending from the retracting device around at least one engaging element on the platen to provide a mechanical advantage whereby, on operation of the retracting device to retract the flexible element, the platen is drawn along the member; and a handle coupled to operate the retracting device to retract the flexible element; and wherein the apparatus further comprises a secondary tightening device coupled between the platen and the member and configured for circumferentially tightening the apparatus around the body part.