Sigmoid notch implant

Details Sigmoid notch implant Sigmoid notch implant

2007-01-09

2007-01-09

McDermott, Corrine (Department: 3738)

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Bone

C623S023390

Reexamination Certificate

active

11001572

ABSTRACT:
A sigmoid notch resurfacing prosthesis for application to the sigmoid notch of the distal radius. The sigmoid notch prosthesis generally includes a saddle and a radius portion for attachment to the distal radius. The saddle may be formed from ultra high molecular weight polyethylene or another durable self-lubricating material. The saddle includes an at least partially concave contoured depression having rounded edges that is securable to the radius portion. The saddle may be secured by a sliding notch snap fit design. The prosthesis may be adapted for articulation with the natural head of the ulna or with an ulnar head prosthesis that has replaced the ulnar head.

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Herbert, Timothy J., and Schoonhoven, Org Van,Disorders of the Distal Radio-Ulnar Joint and the Need for a New Ulnar Head Prosthesis,Martin, date unknown, pp. 1-23.

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