Donald E Kramer

Address:

4316 Poplar Ave, Memphis, TN 38117

VIN:

YV4SZ592X71254526

Make:

VOLVO

Model:

XC70

Year:

2007

US Patent:

20110015756, Jan 20, 2011

Filed:

Jan 2, 2009

Appl. No.:

12/811672

Inventors:

Vivek Pawar - Germantown TN, US
Donald E. Kramer - Memphis TN, US
Carolyn L. Weaver - Memphis TN, US
Shilesh C. Jani - Germantown TN, US

Assignee:

SMITH & NEPHEW INC. - Memphis TN

International Classification:

A61F 2/28
B05D 7/00

US Classification:

623 2353, 427 226

Abstract:

A medical implant is disclosed. The medical implant includes: a first biocompatible metal forming a substrate (), a second biocompatible metal diffused into the first biocompatible metal to form an biocompatible alloy surface (), the alloy surface further including a diffusion hardening species, wherein the diffusion hardening species may be carbon, nitrogen, oxygen, boron, or any combination thereof. A method of forming a medical implant is also disclosed. The method includes the steps of: providing a first biocompatible metal or alloy that forms a substrate (), providing a second biocompatible metal or alloy, diffusing the second biocompatible metal into the first biocompatible metal to form an alloy layer (), removing excess second metal material from the substrate to expose the alloy layer, and diffusion hardening the alloy layer.

US Patent:

20200254145, Aug 13, 2020

Filed:

Apr 28, 2020

Appl. No.:

16/860471

Inventors:

- Memphis TN, US
Donald E. Kramer - Memphis TN, US
Carolyn L. Weaver - Memphis TN, US
Shilesh C. Jani - Germantown TN, US

International Classification:

A61L 27/50
A61L 27/30
A61L 27/04

Abstract:

A medical implant is disclosed. The medical implant includes: a first biocompatible metal forming a substrate (), a second biocompatible metal diffused into the first biocompatible metal to form an biocompatible alloy surface (), the alloy surface further including a diffusion hardening species, wherein the diffusion hardening species may be carbon, nitrogen, oxygen, boron, or any combination thereof. A method of forming a medical implant is also disclosed. The method includes the steps of: providing a first biocompatible metal or alloy that forms a substrate (), providing a second biocompatible metal or alloy, diffusing the second biocompatible metal into the first biocompatible metal to form an alloy layer (), removing excess second metal material from the substrate to expose the alloy layer, and diffusion hardening the alloy layer.