Surgical swivel fixation ring device

FIG. 1 is a perspective view of a surgical swivel fixation ring device, showing the design;

FIG. 2 is a top view of the device of FIG. 1;

FIG. 3 is a bottom view of the device of FIG. 1;

FIG. 4 is a front elevational view of the device of FIG. 1;

FIG. 5 is a left-side elevational view of the device of FIG. 1; the right-side view being a mirror image thereof;

FIG. 6 is a rear elevational view of the device of FIG. 1; and,

FIG. 7 is an enlarged partial perspective view illustrating the ring portion of FIG. 1.