Patent ID: 9408639
Filing Date: 2016-08-09
CPC Classification: A61B,A61F

Claim Text:
1. An automatically lengthening implant comprising: a body defining internally an axial housing that opens out, at one end, via a mouth, and that presents a narrowing of section so as to form an abutment face on the body; an annular plug that is fastened to the mouth of the axial housing of said body and that presents a stop face facing towards said abutment face; at least one rod that is engaged through said annular plug and the axial housing of said body; and a split ring that is mounted on the rod and that is housed in the axial housing of said body; wherein said abutment face and stop face present shapes that are chamfered, one reentrant and the other projecting, and in that said split ring presents two thrust faces that face respectively towards said abutment face towards said stop face and that present shapes such that said split ring expands radially when it is pressed against the chamfered face of projecting shape and compresses radially against said rod when it is pressed against the chamfered face of reentrant shape.