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:
Jan. 02, 1996
Filed:
Jul. 27, 1994
Applicant:
Inventors:
David R Suding, Santa Barbara, CA (US);
Edmund V Seder, Santa Barbara, CA (US);
Assignee:
Helix Medical Corporation, Carpinteria, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ; A61B / ;
U.S. Cl.
CPC ...
623-9 ; 623 11 ; 12820716 ;
Abstract
The position of the rear esophageal flange of a voice prosthesis disposed in a tracheoesophageal fistula is determined by forming a distinctive radiopaque pattern on the flange, preferably by insert molding a radiopaque ring along the perimeter of the flange and radiographically imaging the flange to determine the pattern of the ring. Pattern recognition of the ring is improved by forming the concentric flapper valve of radiopaque material.