Patent ID: 7156806

Claim:
A device for clamping a retractor support apparatus to an operating table, the operating table having a side rail, the device comprising: a first clamping member disposed between a side of the operating table and the side rail; and a second clamping member disposed between the side of the operating table and the first clamping member; and a mechanism operably connected to the first clamping member and the second clamping member such that the first and second clamping members are movable in opposing directions thereby frictionally engaging the first clamping member with the side rail and the second clamping member with the side of the operating table wherein the mechanism includes a first threaded rod engaging the first and second clamping members above the side rail and second threaded rod engaging the first and second clamping members below the side rail such that when the first and second threaded rods are turned, the clamping members move in the opposing directions and wherein the first and second rods threadably engage the first clamping member while freely rotating in engagement with the second clamping member.