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:
Jun. 25, 1996
Filed:
Sep. 26, 1995
Applicant:
Inventors:
Mark J Hoyt, Midvale, UT (US);
Jon A Bertrand, Kearns, UT (US);
Assignee:
MH Custom Design & Mfg., L.C., Midvale, UT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01M / ;
U.S. Cl.
CPC ...
738664 ; 738659 ;
Abstract
An apparatus for testing pulmonary devices such as endotracheal tubes and connectors is disclosed. The apparatus forces a predetermined volume of air or gas through the pulmonary device in accordance with a preselected waveform in a first and/or second direction under conditions that simulate an in-patient use environment. The device also measures the amount of work required to force the air or gas through the device under selected conditions. In a preferred embodiment of the invention, the device produces a laminar or turbulent flow of gas.