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:
Sep. 29, 1992
Filed:
Dec. 03, 1991
Applicant:
Inventors:
Michael J Young, Ashburton, South Devon, GB;
Brian R Bradnock, Edinburgh, GB;
Assignee:
Other;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B / ; A61B / ; A61B / ; A61F / ;
U.S. Cl.
CPC ...
606 27 ; 606 84 ; 606 92 ; 606169 ;
Abstract
A piezo electric ceramic transducer 1, a coupling horn 2 and a work surface 11 are connected a work horn 3. The work surface is ultrasonically vibrated and heats locally plastics material, causing it to flow through holes 12 in the work surface 11 to a space behind. The material can be removed when the tool is removed from the hole. The tool is particularly useful old cement from bones when revising a joint prosthesis.