Mark DiMatteo, William Perroz Jr: Molded water chamber base plate for use in a humidifier and ventilator assembly. RIC Investments, Timothy A Nathan, August 19, 2008: US07413173 (45 worldwide citation)

A molded base plate for use in a humidifier and ventilation assembly is disclosed. The base plate is connected to a cover which forms the water chamber of the humidifier. A thermally conductive material is used in the molding process of the base plate so that heat applied to the base plate is conduc ...

Ralph E Kopacko, Zachary D Paul, Shari S Barnett: Respiratory mask. Ric Investments, Michael W Haas, February 23, 2010: US07665464 (44 worldwide citation)

A respiratory mask having a flexible, mask seal portion for engagement with the face of a user, a gel forehead cushion and a rotatable elbow coupling having integral exhaust ports. The mask seal portion has a thin section which permits the mask to more easily adapt to the contour of the face of the ...

William A Truschel, Winslow K Duff, Michael T Kane, Andrew L Shissler: Pressure support system and method. RIC Investments, Michael W Haas, May 16, 2006: US07044129 (39 worldwide citation)

A pressure generating system and method for generating a flow of fluid at a pressure above atmospheric pressure. The system includes a pressure generator and a pressure regulator downstream of the pressure generator. The system monitors a characteristic associated with the pressure regulator, the fl ...

Peter L Bliss, Charles R Atlas, Scott Carson Halperin: Portable oxygen concentrator. RIC Investments, Michael W Haas, November 23, 2010: US07837761 (38 worldwide citation)

A portable oxygen concentrator includes a reservoir adapted to store oxygen-enriched gas, a delivery valve adapted to communicate with the reservoir, a pressure sensor adapted to measure a reservoir pressure within the reservoir and to measure a pressure drop across the delivery valve, and an input ...

Peter Chi Fai Ho, Derrick Andrews: Cushion for a patient interface. RIC Investments, Michael W Haas, April 26, 2011: US07931024 (38 worldwide citation)

A respiratory mask is provided having an outer shell coupled to a cushion for the delivery of a gas to a user. The cushion of the respiratory mask has a pleat and varied wall thicknesses about the device in order to provide varying degrees of flexibility and support about the cushion.

Peter R Doyle: Ventilator adaptable for use with either a dual-limb circuit or a single-limb circuit. RIC Investments, November 17, 2009: US07617824 (38 worldwide citation)

A ventilator of the present invention includes a housing, a gas flow generator disposed in the housing, a gas outlet port provided on an exterior surface of the housing, and a first conduit coupling the gas flow generator to the gas outlet port. A gas inlet port is also provided on an exterior surfa ...

Peter Ho, Lance Busch, Jian An Jiang: Patient interface with forehead and chin support. RIC Investments, Michael W Haas, May 23, 2006: US07047971 (37 worldwide citation)

A patient interface gas delivery mask having a forehead and chin support system including a forehead support, a chin support, and a system for supplying a flow of gas to a patient that incorporates such a mask, forehead support, and chin support. The forehead support includes a supporting arm which ...

Lance Busch, Peter Chi Fai Ho: Magnetic coupling assembly and method of using same. RIC Investments, Michael W Haas, September 14, 2010: US07793987 (35 worldwide citation)

A magnetic coupling assembly for use in coupling portions of a gas delivery system. The magnetic coupling assembly includes a first member and a second member to be coupled together. The attractive forces between the first plurality of magnetic elements on the first member and a second plurality of ...

Christopher A Cutler, William D Wallace, Steven R Smith, Daniel J McGraw, Nick Tu, Clifford G Montagnoli, Trent W Banks: Fetal oximetry system and sensor. RIC Investments, Reed Smith, December 23, 2008: US07469158 (34 worldwide citation)

An optical measuring device having multiple optical paths between one or more light emitters and one or more light detectors and/or providing at least two sets of wavelength of light along at least one path, with a final measurement being produced as a combination of measurements of the sets of wave ...

Douglas M Mechlenburg, Mark C Estes, William H Broadley, J Raymond Pujol: Interactive pressure support system and method. RIC Investments, Michael W Haas, May 30, 2006: US07051735 (34 worldwide citation)

An interactive pressure support system and method employing a pressure generating system that provides a pressure therapy to the pulmonary system of a patient and an interactive system associated with the pressure generating system to enable the patient to interact with the pressure support system, ...