Ventec Life Systems, Inc.

Ventee Life Systems, Inc.

David M Good

Douglas F DeVries

Shan E Gaw

Joseph Cipollone

Richard Branson

Douglas F Devries

A passive valve for use as a fixed leak valve. The valve includes a body having an internal chamber, first and second body ports in fluid communication with the chamber with the first port configured for fluid communication with a patient connection and the second body port configured for fluid communication with a ventilator, a body passageway in fluid communication with the chamber and with ambient air exterior of the body, and a check valve seal positioned to seal the body passageway to permit the flow of gas within the chamber through the body passageway to the exterior of the body and to prevent the flow of ambient air exterior of the body through the body passageway into the chamber. In alternative embodiments, the valve is incorporated into the patient connection or constructed as a separate part connectable to the patient connection.

Ventilator with integrated cough-assist

A method of providing a breath to a human patient. The patient has a patient connection connected, by a patient circuit, to a ventilator having a first ventilator connection and a different second ventilator connection. Each of the first and second ventilator connections are in fluid communication with the patient circuit. The method includes identifying, with the ventilator, initiation of an inspiratory phase of the breath, delivering a bolus of oxygen to the first ventilator connection before or during the inspiratory phase, and delivering breathing gases comprising air to the second ventilator connection during the inspiratory phase. The ventilator isolates the bolus of oxygen delivered to the first ventilator connection from the breathing gases delivered to the second ventilator connection.

Ventilator with integrated oxygen production

A method of providing a breath to a human patient having a patient connection connected by a patient circuit to a ventilator device. The method includes delivering both a bolus of oxygen and breathing gases including air to the patient circuit. The patient circuit conducts the bolus of oxygen and the breathing gases to the patient connection. The breathing gases are delivered before an end of the inspiratory phase of the breath. The bolus may be delivered at or before a beginning of an inspiratory phase of the breath, and the delivery of the bolus may be terminated before the end of the inspiratory phase of the breath. The bolus and breathing gases are delivered to the patient circuit via different ventilator connections that isolate the bolus from the breathing gases before they enter the patient circuit.

A ventilator with an integrated cough assist for use with a patient circuit in fluid communication with a patient connection of a patient, and operable in a ventilation mode and in a cough-assist mode. The ventilator includes a user input for switching operation from ventilation mode to cough-assist mode without disconnecting the ventilator from the patient, and a controller operable in response to the user input and controlling operation of the ventilator in cough-assist mode to provide for at least one cough assist to the patient having an insufflation phase followed by an exsufflation phase. A cough-assist valve in a first state for the insufflation phase communicates a positive pressure to the ventilator connection and in a second state for the exsufflation phase communicates a negative pressure to the ventilator connection.

Growing community of inventors

Bothell, WA, United States of America

David M Good