Mechanical apparatus and method for artificial disc replacement

Details Mechanical apparatus and method for artificial disc replacement Mechanical apparatus and method for artificial disc replacement

2006-02-22

2009-06-16

Robert, Eduardo C (Department: 3733)

Surgery

Instruments

Orthopedic instrumentation

C606S246000, C623S017110, C623S017120, C623S017160

Reexamination Certificate

active

07547319

ABSTRACT:
The present invention relates to a device and method to 1) facilitate disk fusing, 2) perform an artificial replacement of the nucleus, 3) perform an artificial replacement of the annulus, or 4, perform an artificial replacement of both the nucleus and annulus. The device is designed to be placed into the inter-vertebral space following diskectomy. The invention includes a delivery catheter and an expandable continuous mesh loop that has a torus configuration with a lumen within the mesh loop and a center hole. The mesh loop can be diametrically increased or contracted in diameter by the control element acting on the mesh loop. The mesh loop may be formed of a woven or braided material from a polymer such as PEEK (polyetheretherketone), nylon, polyurethane, polyester polyethylene, polypropylene or any other biocompatible polymers, or formed from a metallic braid of stainless steel, elgiloy, Nitinol, or any other biocompatible metals.

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