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. 09, 2020
Filed:
May. 25, 2017
Applicant:
Mgc Diagnostics, Inc., St. Paul, MN (US);
Inventors:
David A. Blanton, Humboldt, TN (US);
Assignee:
MGC DIAGNOSTICS CORPORATION, St. Paul, MN (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 16/20 (2006.01); A61M 16/00 (2006.01); F16K 31/40 (2006.01); A61M 16/10 (2006.01);
U.S. Cl.
CPC ...
A61M 16/20 (2013.01); A61M 16/00 (2013.01); A61M 16/201 (2014.02); A61M 16/204 (2014.02); F16K 31/402 (2013.01); A61M 16/1005 (2014.02); A61M 16/206 (2014.02);
Abstract
A prior art demand valve has been modified to make it more responsive to persons with impaired oxygen delivery by replacing its sensing diaphragm and associated mechanically actuated valve actuator with a solenoid activated proportional control valve coupled to an analog pressure transducer via a pulse width modulated current driver circuit. The pressure transducer responds to detected pressure changes in a patient's breathing tube.