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.

Date of Patent:
Jun. 07, 2022

Filed:

Nov. 19, 2019
Applicant:

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

Inventors:

Timothy John Band, Matlock Bath, GB;

Hamish Forster, Memphis, TN (US);

Gordon Bruce Hunter, Germantown, TN (US);

Shilesh C. Jani, Memphis, TN (US);

Mark Lee Morrison, Memphis, TN (US);

Vivek Devidas Pawar, Germantown, TN (US);

Abraham Biglari Salehi, Bartlett, TN (US);

Jeffrey Joel Shea, Memphis, TN (US);

Assignee:

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

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F 2/30 (2006.01); A61L 27/04 (2006.01); A61L 27/30 (2006.01); A61L 27/50 (2006.01); C23C 8/00 (2006.01); C23C 8/36 (2006.01); A61F 2/32 (2006.01); A61F 2/34 (2006.01); A61F 2/36 (2006.01); A61F 2/38 (2006.01); A61F 2/40 (2006.01); A61F 2/42 (2006.01); A61F 2/44 (2006.01);
U.S. Cl.
CPC ...
A61F 2/30767 (2013.01); A61L 27/045 (2013.01); A61L 27/306 (2013.01); A61L 27/50 (2013.01); C23C 8/00 (2013.01); C23C 8/36 (2013.01); A61F 2/3094 (2013.01); A61F 2/3099 (2013.01); A61F 2/32 (2013.01); A61F 2/34 (2013.01); A61F 2/36 (2013.01); A61F 2/367 (2013.01); A61F 2/3662 (2013.01); A61F 2/38 (2013.01); A61F 2/3804 (2013.01); A61F 2/389 (2013.01); A61F 2/3859 (2013.01); A61F 2/40 (2013.01); A61F 2/4241 (2013.01); A61F 2/44 (2013.01); A61F 2002/30878 (2013.01); A61F 2002/30892 (2013.01); A61F 2002/30922 (2013.01); A61F 2002/30934 (2013.01); A61F 2002/365 (2013.01); A61F 2002/3611 (2013.01); A61F 2002/3625 (2013.01); A61F 2310/00029 (2013.01); A61F 2310/0058 (2013.01); A61F 2310/0067 (2013.01); A61F 2310/0073 (2013.01); A61F 2310/0088 (2013.01); A61F 2310/00598 (2013.01); A61F 2310/00604 (2013.01); A61F 2310/00748 (2013.01); A61F 2310/00754 (2013.01); A61F 2310/00856 (2013.01); A61F 2310/00868 (2013.01); A61F 2310/00886 (2013.01); Y02T 50/60 (2013.01);
Abstract

A device, for example a medical implant, and a method of making the same, the device having a metal or metal alloy substrate, for example cobalt chrome, and a diffusion hardened metallic surface, for example a plasma carburized surface, contacting a non-diffusion hardened surface or a diffusion hardened surface having a diffusion hardening species different from that of the opposing surface.


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