1
Gregory Newton Brewer, Gregory Alan Colla, Steven Paul Farrugia, Chinmayee Somaiya: Determination of mask fitting pressure and correct mask fit. ResMed, Pillsbury & Winthrop, July 30, 2002: US06425395 (89 worldwide citation)

A CPAP treatment apparatus, as one form of positive pressure ventilatory assistance, includes a turbine/blower, operated by a mechanically coupled electrical motor that receives air or breathable gas at an inlet thereof, and supplies the breathable gas at a delivery pressure to a delivery tube/hose ...


2
Gregory Newton Brewer, Gregory Alan Colla, Steven Paul Farrugia, Chinmayee Somaiya: Determination of mask fitting pressure and correct mask fit. ResMed, Nixon & Vanderhye P C, September 5, 2006: US07100608 (29 worldwide citation)

A method for determining a mask-fit test pressure to be applied to a wearer's mask by ventilatory assistance apparatus includes adaptively determining the mask-fit pressure from prior use.


3
Matthew Alder, Steven Paul Farrugia, Chinmayee Somaiya, Kristian Thomsen: Computer controlled CPAP system with snore detection. ResMed, Lerner David Littenberg Krumholz & Mentlik, February 5, 2013: US08365729 (1 worldwide citation)

A CPAP apparatus is provided that determines the presence of a snore by the simplified method of using filtered expiratory noise as the measure of intrinsic device noise and comparing that to filtered inspiratory noise. The filtering time constants for inspiratory and expiratory noise are adjusted s ...


4
Chinmayee Somaiya, Nicholas Ming Yun Yip, John David Oates, Adrian Barnes, Christopher Kingsley Blunsden: Methods and apparatus for pressure therapy in the treatment of sleep disordered breathing. ResMed, Lerner David Littenburg Krumholz & Mentlik, July 25, 2017: US09713690

A controller or processor for a respiratory pressure treatment device determines an estimate of patient respiratory flow based on a measure of pressure associated with flow generated by a flow generator and a measure of frequency of the flow generator, such as a rotational velocity of a servo-contro ...


5
Gregory Newton Brewer, Gregory Alan Colla, Steven Paul Farrugia, Chinmayee Somaiya: Determination of mask fitting pressure and correct mask fit. ResMed, Nixon & Vanderhye P C, July 18, 2017: US09707361

CPAP treatment apparatus (10), as one form of positive pressure ventilatory assistance, is disclosed. A turbine/blower (14), operated by a mechanically coupled electrical motor (16), receives air or breathable gas at an inlet (18) thereof, and supplies the breathable gas at a delivery pressure to a ...


6
Matthew Alder, Steven Paul Farrugia, Chinmayee Somaiya: Determination of apnea/hypopnea during CPAP treatment. ResMed, Botos Churchill IP Law, January 22, 2019: US10183136

CPAP treatment apparatus is disclosed having a controllable positive airway pressure device. A sensor generates a signal representative of patient respiratory flow that is provided to a controller. The controller is operable to determine the occurrence of an apnea from a reduction in respiratory air ...


7
Jeffrey Peter Armitstead, Chinmayee Somaiya: Method and apparatus for improved flow limitation detection of obstructive sleep apnea. ResMed, Lerner David Littenberg Krumholz & Mentlik, June 26, 2018: US10004862

In a respiratory apparatus for treatment of sleep apnea and other disorders associated with an obstruction of a patient's airway and which uses an airflow signal, an obstruction index is generated which detects the flattening of the inspiratory portion of the airflow. The flattening index serves as ...


8
Matthew Alder, Steven Paul Farrugia, Chinmayee Somaiya: Determination of apnea/hypopnea during CPAP treatment. ResMed, Lerner David Littenberg Krumholz & Mentlik, January 13, 2015: US08931483

CPAP treatment apparatus is disclosed having a controllable positive airway pressure device. A sensor generates a signal representative of patient respiratory flow that is provided to a controller. The controller is operable to determine the occurrence of an apnea from a reduction in respiratory air ...


9
Jeffrey Peter Armitstead, Chinmayee Somaiya: Method and apparatus for improved flow limitation detection of obstructive sleep apnea. ResMed, Lerner David Littenberg Krumholz & Mentlik, December 17, 2013: US08607793

In a respiratory apparatus for treatment of sleep apnea and other disorders associated with an obstruction of a patient's airway and which uses an airflow signal, an obstruction index is generated which detects the flattening of the inspiratory portion of the airflow. The flattening index serves as ...


10
Mark Bertinetti, Zhuo Ran Tang, Craig Laing, Jing Wen Xie, Jianhua Zhu, Chinmayee Somaiya, Graham Stephen Cutcliffe, Sandra Robyn Curtis, Peter Milliken, Dimitri Marco Maurer: Modularized respiratory treatment apparatus. ResMed, Lerner David Littenberg Krumholz & Mentlik, April 5, 2016: US09302066

A modularized respiratory treatment apparatus provides various respiratory pressure treatments. The apparatus may be formed by discrete connectable modules such as a flow generator module, alarm module and/or humidifier module. Each module may include its own external casing or housing to independen ...