초록 ▼

A soft tissue expander comprises a frame comprised of inflatable members having in several embodiments a peripheral restrictor to force the frame to expand in only two dimensions. Various embodiments include frames arranged to be comprised of different polygonal shapes, frame members having internal

A soft tissue expander comprises a frame comprised of inflatable members having in several embodiments a peripheral restrictor to force the frame to expand in only two dimensions. Various embodiments include frames arranged to be comprised of different polygonal shapes, frame members having internal mechanical restrictors, frames comprised of fusiform or cellular construction, and frames contained within two membranes that may also be filled with fluid.

대표청구항 ▼

A soft tissue expander comprises a frame comprised of inflatable members having in several embodiments a peripheral restrictor to force the frame to expand in only two dimensions. Various embodiments include frames arranged to be comprised of different polygonal shapes, frame members having internal

A soft tissue expander comprises a frame comprised of inflatable members having in several embodiments a peripheral restrictor to force the frame to expand in only two dimensions. Various embodiments include frames arranged to be comprised of different polygonal shapes, frame members having internal mechanical restrictors, frames comprised of fusiform or cellular construction, and frames contained within two membranes that may also be filled with fluid. en said plates on an inside surface of said one of said plates with an additional, detachable plate of predetermined thickness that locally reduces a gap between said plates of the forked member by a predetermined amount. 11. Forked member according to claim 10 wherein said additional, detachable plate is made of plastic material with a low coefficient of friction. 12. Forked member according to claim 10 wherein said additional plate has a bevel adjacent a lower edge thereof for assisting the shifting of a chain onto the larger diameter chainrings. 13. Forked member according to claim 10 wherein said additional plate has at least one rear bevel for assisting an inclined disposition of a bicycle chain as the chain meshes with an outermost sprocket on a hub of a rear wheel of a bicycle. 14. A bicycle front derailleur comprising a forked member for a bicycle front derailleur having smaller and larger chainrings, comprising a pair of substantially mutually parallel elongated plates joined at the top by a bridge portion wherein a first plate is located next to the larger-diameter chainrings and is provided on an inside surface with an additional plate of predetermined thickness that reduces a gap between said plates of the forked mem