Ric Investments, Inc.

Respironics, Inc.

Ric Investmetns, LLC

Michael Bobeck

Patrick W Truitt

Michael Eugene Mort

Lance Ranard Busch

Winslow Kevin Duff

David M Chastain

Zachary Dean Paul

Christopher James McCracken

Roy A Thompson

Patrick P McDermott

Steven B Radney

Richard A Seman

Bernie F Hete

Marcel Douglas Jaffre

William J Palm

Jeffrey Kepler

William Anthony Truschel

Mark William Dimatteo

Mark DiMatteo

Michael W Haas

James S Vreelan

Allen Cameron

Allan Lee Cameron

James S Vreeland

David P Chastain

Christopher J Mccracken

Patrick F Mcdermott

A pressure support system that comprises a patient circuit, a docking assembly, and a tank. The patient circuit delivers a pressurized flow of breathable gas to a patient. The docking assembly has an inlet and an outlet that is adapted to receive the pressurized flow of breathable gas, and is also adapted to be connected with the patient circuit. The tank is constructed and arranged to be removably connected with the docking assembly, and enables the pressurized flow of breathable gas to pass therethrough. The tank is also adapted to contain a liquid such that a humidity level of the pressurized flow of breathable gas is elevated as the pressurized flow of breathable gas passes therethrough.

Modular pressure support system and method

An exhaust port assembly comprising a conduit carries a flow of gas. A vent assembly having a fixed exhaust area is provided on the conduit for venting a flow of exhaust gas from within the conduit to ambient atmosphere. The vent assembly is configured so as to minimize noise associated with the flow of exhaust gas passing to atmosphere, diffuse the flow of exhaust gas passing to ambient atmosphere over a relatively large area, and minimize the area occupied by the venting assembly on the conduit.

Exhaust port assembly for a pressure support system

Modular pressure support system

A gas monitoring system that comprises a sensor, a first valve, and a second valve. The sensor is disposed within a sensor housing that has an inlet and an outlet. The sensor generates a signal based on a characteristic of a gas within the housing. The first valve is disposed at the inlet. The second valve is disposed at the outlet. The first valve and the second valve open and close based on an orientation of the sensor housing.

Sensor with water ingress protection

A high frequency pressure oscillation device that selective restricts the flow of breathing gas to or from a patient to produce pressure spikes in the patient's airway that facilitate clearing secretions from the patient's airway. The device includes a patient circuit that defines a closed path between a source of breathing gas and the patient's airway. A valve is disposed in the patient circuit such that in an open position the path between the source of breathing gas and the airway of the patient is substantially unobstructed. When the valve is in a closed position, the path between the source of breathing gas and the patient's airway is at least partially obstructed to create the pressure spikes. An actuating system associated with the valve alternatively places the valve in the open position and in the closed position at a predetermined oscillation rate that is independent of patient effort.

Apparatus and method for providing high frequency variable pressure to a patient

A flow sensor is disclosed that measures a flow of fluid passing through a conduit and a flow resistive element for use in such a flow sensor. The flow sensor includes a housing having a main channel defined therethrough. A flow resistive element is disposed in the housing across the main channel. The flow resistive element includes a rigid body member having a first surface and a second surface. A plurality of unobstructed, wedge-shaped, openings are defined in the body member and extend through the rigid body member. In addition, a plurality of spokes extend from a central portion of the body member to its perimeter so that each spoke separates adjacent wedge-shaped openings from one another.

Flow sensor and flow resistive element

A high frequency pressure oscillation device and method of providing high frequency pressure oscillations to a patient. The device includes a patient circuit coupling a gas source to an airway of a patient, and a valve disposed in the patient circuit. The valve communicates the gas source with the patient's airway when in a first position and at least partially restricts communication when in a second position. A rotating drive assembly rotates the valve in a first direction such that the valve is alternatively disposed in the first and second positions. This system is capable of delivering positive and negative pressures to the airway of a patient by including a blower as the source of breathing gas. This system is also capable of superimposing a high frequency oscillating pressure signal on another pressure signal by adding a second blower in series with the first blower.

Apparatus and method of providing high frequency variable pressure to a patient

A fluid mixing apparatus and method in a fluid supply system that mixes a secondary fluid flow with a primary fluid flow in such a manner so as to minimize disruption of the fluid flow profile for the primary fluid flow downstream of the mixing point as the secondary fluid flow is introduced to the primary fluid flow. This is accomplished by providing a second conduit carrying the secondary fluid flow that is coupled to a first side of a first conduit carrying the primary fluid flow such that the secondary fluid flow travels around at least a portion of the first conduit. An inlet port arrangement is defined in the first conduit and is arranged such that a size of the inlet port arrangement that introduces the secondary gas flow from the second conduit into the first conduit increases as a distance around the first conduit from the first side increases.

Fluid mixing apparatus, method and system using same

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Sarver, PA, United States of America

Michael Bobeck