Patent ID: 8506628
Filing Date: 2013-08-13
Classification: A61F

Abstract:
1. An ossicular prosthesis for implantation in a middle ear of a human for reconstruction of an ossicular chain, the middle ear including a tympanic membrane with tissue and the ossicular chain of the middle ear including a stapes, said prosthesis comprising: a) an open-wound helical conical wire-form coil having a first end and a second end, said first end includes a first winding defining a first diameter and said second end includes a second winding defining a smaller second diameter, and at least two windings between said first and second windings, said coil continuous between said first and second windings, said first end of said coil capable of being positioned directly against the tissue; b) an engagement structure including one of a bell head, a piston, and a shoe for engaging a portion of the stapes; and c) a connecting element coupling said second end of said coil to said engagement structure in a fixed orientation,