The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 6645251 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 11, 2003

Filed:

Jan. 22, 2002
Applicant:
Inventors:

Abraham Salehi, Bartlett, TN (US);

Mark Harbaugh, Germantown, TN (US);

Willard L. Sauer, Wernersville, PA (US);

Christopher Patrick Carson, Memphis, TN (US);

Assignee:

Smith & Nephew, Inc., Memphis, TN (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F 2/38 ; A61F 2/30 ;
U.S. Cl.
CPC ...
A61F 2/38 ; A61F 2/30 ;
Abstract

Artificial implants having reduced area to provide reduced wear are provided. The reduced area is particularly located at areas where greatest wear is exhibited. In a particular embodiment of a mobile bearing knee implant, the area is reduced on the mobile bearing insert underside, where it contacts a tibial component. The reduced area may be any shape of indentations, for example, grooves, dimples, straight patterns, curved patterns, crossing patterns, holes, channels or slots. The indentations may be various sizes, and have been found to be particularly effective if covering about 10% to about 20% of the insert at depths between about 1-2 mm.


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Salehi, Abraham. (2003). Surfaces and processes for wear reducing in orthopaedic implants (U.S. Patent No. 6645251). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6645251

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