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. 18, 2013
Filed:
May. 02, 2005
Applicant:
Phillippe Chalvignac, Hunters Hill, AU;
Inventor:
Phillippe Chalvignac, Hunters Hill, AU;
Assignee:
ResMed Paris, , FR;
Primary Examiner:
Int. Cl.
CPC ...
A61M 16/20 (2006.01); A61M 2016/27 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a breathing assistance device for a patient (P), the device including: —a source of respiratory pressurized gas (S), a gas transmission duct () comprising a distal end () coupled to said source and a proximal end () coupled to the patient, —a gas regulating valve () interposed in the gas transmission duct at a proximal location, comprising a leakage orifice () and an obstruction means () capable of varying the opening of the leakage orifice upon signal of controlling means () and allowing a bidirectional gas flow through the leakage orifice in both expiration and inspiration phases.