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:
Sep. 09, 1997
Filed:
Dec. 09, 1994
Applicant:
Inventors:
Gary Schroeder, North Londonderry, NH (US);
James W Biondi, North Haven, CT (US);
Douglas M Johnston, Winchester, MA (US);
Assignee:
Cardiopulmonary Corporation, Milford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
12820425 ; 12820424 ; 12820428 ; 12820513 ; 12820514 ; 12820524 ;
Abstract
A pneumatic system is provided for a ventilator is provided for controlling inspired and expired patient gas flow during respiratory therapy. The pneumatic system includes a pneumatic circuit for controlling a supply of one or more selected gases to a patient and a disposable patient breathing circuit for isolating exhaled patient gasses from the pneumatic circuit. The pneumatic circuit includes a dual venturi for assisting compression and expansion of a flexible gas reservoir of the patient breathing circuit.