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:
Mar. 09, 1999
Filed:
May. 17, 1996
Applicant:
Inventors:
John W Besemer, Sudbury, MA (US);
Salvatore Caldarise, Hanson, MA (US);
Frank R Foley, West Byfleet, GB;
Allan Ritchie, New Milton, GB;
C M Jayashankar, Raynham, MA (US);
Anthony Sanders, Lakeville, MA (US);
Assignee:
Johnson & Johnson Professional, Inc., Raynham, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ; A61F / ; A61F / ; A61F / ;
U.S. Cl.
CPC ...
623 22 ; 623 18 ; 623 23 ;
Abstract
An acetabular trial insert is provided in which the appropriate anteversion angle of the acetabular cup of a hip prosthesis may be determined automatically by placing an inner cup within an outer cup and providing a mechanism which will hold the inner cup in position after the trial has been reduced and the hip rotated through an intended range of motion.