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:
Jul. 13, 2004
Filed:
Jun. 03, 2002
Applicant:
Inventor:
Steen B. Rasmussen, Lynge, DK;
Assignee:
Rhinometrics A/S, Lynge, DK;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 8/00 ; A61B 5/08 ;
U.S. Cl.
CPC ...
A61B 8/00 ; A61B 5/08 ;
Abstract
A method and device for detecting opening of a passage in a bodily cavity, the device including an electric signal source; a first transducer for converting an electric signal from the electric signal source into an acoustic signal; a second transducer for reception of the acoustic signal; and where the first and the second transducer are placed on respective opposite sides of the obstruction in the cavity. In the method an acoustic signal is supplied at one side of the obstruction and received at the other side of the obstruction, when the passage is open.