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.:
Date of Patent:
Jun. 10, 1980
Filed:
Dec. 01, 1977
Applicant:
Inventors:
Michael J Pappas, Irvington, NJ (US);
Frederick F Buechel, Irvington, NJ (US);
Assignee:
Biomedical Engineering Corp., Newark, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
3-191 ; 3-1913 ;
Abstract
A prosthesis providing improvement over the floating center prosthetic joint of U.S. Pat. No. 3,916,451 by providing, inter alia, an improvement in the structure for retaining the floating ball in the humeral component and the strength of the lip of the floating ball, and further providing piston-cylinder means utilizing body fluid present in the implanted prosthesis to provide hydraulic action for reducing the amount of shock loads transmitted to the implanted prosthesis during normal human activity.