FIG. 1 is a top perspective view of an interlocking tubular stent structure showing our new design;

FIG. 2 is another top perspective view thereof showing the design in a substantially interlocked condition;

FIG. 3 is another top perspective view thereof, shown on an enlarged scale and with broken lines to indicate environment and which form no part of the claim,

FIG. 4 is a top plan view thereof shown on an enlarged scale and in a planar condition;

FIG. 5 is another top plan view thereof shown on an enlarged scale and in an expanded condition;

FIG. 6 is another top perspective view thereof shown on an enlarged scale and partially in fragment; and,

FIG. 7 is another top perspective view thereof shown on an enlarged scale, partially in fragment and in a substantially interlocked position.