1
Jerome Matula Jr, Peter Chi Fai Ho, Jason P Eaton, Elias G Diacopoulos, Steven B Radney: Patient interface assembly supported under the mandible. RIC Investments, Michael W Haas, February 20, 2007: US07178525 (92 worldwide citation)

A patient interface system having a patient interface and chin support system for supporting the patient interface on the patient and for supplying a flow of gas from a patient circuit to the patient interface. In one embodiment, the chin support is formed from flexible hollow chambered support and ...


2
Peter Chi Fai Ho, Derrick Andrews: Cushion for a patient interface. RIC Investments, Timothy A Nathan, July 3, 2007: US07237551 (66 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.


3
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.


4
Peter Chi Fai Ho, Lance Busch, Jerome Matula Jr: Cheek-mounted patient interface. Respironics Respiratory Drug Delivery, Timothy A Nathan, December 1, 2009: US07624735 (36 worldwide citation)

A patient interface that includes a support body having a cushion and cheek interfaces. Collectively, the cushion and cheek interfaces operate to distribute compressive forces exerted on the user's face. The support body of the patient interface is constructed from a flexible material to impart addi ...


5
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 ...


6
Peter Chi Fai Ho: User interface having a pivotable coupling. RIC Investments, Michael W Haas, October 26, 2010: US07819119 (32 worldwide citation)

A patient interface having a cushion for engagement with the face of a user, a shell having an extension with a forehead support connected to the extension. The forehead support has a hinge so that the forehead support can be deformed to conform to the user's forehead. The patient interface also has ...


7
Peter Chi Fai Ho, Lance Busch: Cushion inside a cushion patient interface. RIC Investments, Michael W Haas, October 30, 2007: US07287528 (28 worldwide citation)

A patient interface device including a cushion assembly having a cushion-in-a-cushion arrangement and a system for supplying a flow of gas to a patient using such an interface device. The patient interface includes a mask shell having a patient side and an outer side opposite the patient side adapte ...


8
Peter Chi Fai Ho: Non-intrusive mask interface with nasal support. Koninklijke Philips Electronics, Michael W Haas, July 12, 2011: US07975694 (28 worldwide citation)

A patient interface includes a body member, a partition, a nasal seal portion, and a port. The partition is integral with the body member, and separates an interior of the member into a first chamber configured to receive a nose of a patient and a second chamber. The nasal seal portion is integral w ...


9
Peter Chi Fai Ho, Lance Busch: Cushion inside a cushion patient interface. RIC Investments, Michael W Haas, December 15, 2009: US07631644 (21 worldwide citation)

A patient interface device including a cushion assembly having a cushion-in-a-cushion arrangement and a system for supplying a flow of gas to a patient using such an interface device. The patient interface includes a mask shell having a patient side and an outer side opposite the patient side adapte ...


10
Peter Chi Fai Ho, Jason P Eaton: Full face respiratory mask with integrated nasal interface. RIC Investments, Michael W Haas, November 11, 2008: US07448386 (21 worldwide citation)

A patient interface that reliably and comfortably seals a user's face by providing an oral-nasal mask that includes an integrated nasal interface. The patient interface includes a seal member having an oral cushion portion configured to surround the user's mouth and a nasal interface portion that pr ...