Timothy J Short

US Patent:

6863691, Mar 8, 2005

Filed:

Apr 29, 2002

Appl. No.:

10/134093

Inventors:

Timothy J. Short - Davie FL, US
Ha Van Vo - North Lauderdale FL, US

International Classification:

A61F002/42

US Classification:

623 2118

Abstract:

An ankle implant having a tibial component with a bottom groove, a talar component with a convex dome on top, and a bearing component slidably insertable into the bottom groove in the tibial component and having a concave bottom recess receiving the top dome of the talar component. The tibial component is channel-shaped, with a flat bottom wall for reception in a corresponding surgically prepared recess in the bottom of the patient's tibia, an anteriorly inclined posterior end wall projecting up from its bottom wall, a taller anterior end wall perpendicular to its bottom wall, and a rounded groove on the inside at the juncture between the anterior and bottom walls. The talar component has a cross-shaped segment on the bottom for reception in a corresponding surgically prepared recess in the top of the patient's talus.