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. 31, 2012
Filed:
Nov. 09, 2005
Göran Cewers, Limhamn, SE;
Göran Cewers, Limhamn, SE;
RIC Investments, LLC., Wilmington, DE (US);
Abstract
The invention pertains to a ventilator that delivers a flow of gas to an airway of a user, and to communicate a flow of gas from the airway of the user in a controlled manner. The ventilator includes a conduit () that carries a flow of gas from the airway of a patient, a first valve () coupled to the conduit and adapted to control a pressure or rate of the flow of gas exhausted from the conduit, a first sensor () coupled to the conduit and adapted to monitor a pressure of the gas in the conduit, and a controller () adapted to control the first valve based on an output of the first sensor. A restrictor () is provided in the conduit between the pressure sensor and the patient such that a first volume is defined in the conduit between the first valve and the restrictor and a second volume is defined in the conduit between the patient and the restrictor. The controller controls actuation of the first valve based on a pressure of the first volume monitored by the first sensor.