Appeal No. 97-2888 Application 08/389,077 extending downwardly from the bottom horizontal members 16 and a plurality of rail clamps 44 for removably mounting the surgical frame to a conventional operating table. The reference also discloses that the height of the frame over the operating table may be adjusted by varying the depth that the mounting rods 42 are inserted in the rail clamps 44 (col. 4, line 10-14). Heffington discloses a patient support attachment for an operating table to facilitate surgery of the spine comprising an adjustable platform 12 for supporting the legs of a prone patient, a pair of adjustable swivel clamps 18 carried by the operating table, a pair of elongated support rods 15 adjustably held in the side swivel clamps, a support panel 14 for the buttocks and thighs of a patient disposed between said support rods, and a second pair of opposite side adjustable swivel clamps 18 carried by the support panel for the buttocks and thighs and being adjustably engaged with the support rods and the support panel. The support rods are provided with 12Page: Previous 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 NextLast modified: November 3, 2007