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:
Aug. 16, 2011
Filed:
Jun. 06, 2005
Jesse N. Nelson, Oxnard, CA (US);
Jesse N. Nelson, Oxnard, CA (US);
Helix Medical, LLC, Plymouth, MI (US);
Abstract
A voice prosthesis device includes a barrel defining a passageway, a tracheal flange adjacent a tracheal end of the barrel and an esophageal flange adjacent an esophageal end of the barrel. The passageway includes a first stop extending inwardly from a sidewall of the passageway between the tracheal and esophageal ends and a plurality of second stops extending inwardly from the sidewall of the passageway between the first stop and the esophageal end of the passageway. A valve mechanism is located between the first and second stops and permits flow through the passageway from the tracheal end and impedes flow through the passageway from the esophageal end.