1
Colin E Sullivan, Christopher Lynch: Device and method for monitoring breathing during sleep, control of CPAP treatment, and preventing of apnea. ResCare, Merchant Gould Smith Edell Welter & Schmidt, September 21, 1993: US05245995 (455 worldwide citation)

A CPAP apparatus including: a variable pressured air source and means to vary the air pressure delivered therefrom; a nose piece for sealed air communication with a patient's respiratory system; an air communication line from the air source to the nose piece; a sound transducer adapted to be in soun ...


2
Colin E Sullivan, Christopher Lynch: Device for monitoring breathing during sleep and control of CPAP treatment that is patient controlled. Merchant Gould Smith Edell Welter & Schmidt, April 6, 1993: US05199424 (267 worldwide citation)

A CPAP apparatus including: a variable pressured air source and means to vary the air pressure delivered therefrom; a nose piece for sealed air communication with a patient's respiratory system; an air communication line from the air source to the nose piece; a sound transducer adapted to be in soun ...


3
John Edward Remmers, Thomas Richard Feroah: Auto CPAP system and method for preventing patient disturbance using airflow profile information. University Technologies International, Burns Doane Swecker and Mathis L, July 8, 1997: US05645053 (266 worldwide citation)

The present invention relates to systems and methods for automatically and continuously regulating the level of nasal pressure to an optimal value during OSA (Obstructive Sleep Apnea) treatment. OSA therapy is implemented by a device which automatically re-evaluates an applied pressure and continual ...


4
Tien Chu Lee: Miniature respiratory apparatus. April 10, 1990: US04915105 (256 worldwide citation)

A respiratory apparatus including an air filter; a hose connected to the filter; a nose-connected breathing pipe connected with the hose and having two inhaling valves formed on two side openings of the pipe, two nostril connectors protruding rearwardly from the pipe to fluidically connect to a wear ...


5
Roger A Gruenke, Russell L Trimble, Christopher D Lasnier, Steven W Loethen, Jiri G Orlt, James A Snook, Marilyn S Wyble: Inspiratory airway pressure system with admittance determining apparatus and method. Puritan Bennett Corporation, Hovey Williams Timmons & Collins, August 4, 1992: US05134995 (237 worldwide citation)

An apparatus and method for facilitating the respiration of a patient are disclosed which are particularly useful in treating mixed and obstructive sleep apnea and certain cardiovascular conditions, among others, by increasing nasal air pressure delivered to the patient's respiratory passages just p ...


6
Gerald E McGinnis: Respiratory mask. Carothers & Carothers, March 13, 1990: US04907584 (236 worldwide citation)

A respiratory mask having a flexible seal that encompasses a space which is formed and adapted to receive nasal or nasal and oral portions of a user's face, the mask also having a rigid support extending continuously adjacent the perimeter of the flexible seal to support a portion thereof against ra ...


7
Robert M Landis: Nasal continuous positive airway pressure apparatus and method. December 14, 1993: US05269296 (234 worldwide citation)

A nasal continuous positive airway pressure apparatus includes a pair of cannula each having an inflatable cuff to position the cannulae within the nares of a patient. The cannulae are connected to a source of positive air pressure to provide continuous positive nasal airway pressure. The cuffs may ...


8
Mark C Estes: Method and apparatus for providing proportional positive airway pressure to treat congestive heart failure. Respironics, Reed Smith Shaw & McClay, August 18, 1998: US05794615 (212 worldwide citation)

A system including methods and apparatus for treatment of Congestive Heart Failure. The system involves applying separate and independent gains to flow rates of pressurized gas delivered to a patient during inspiratory and expiratory phases of a respiratory cycle to deliver the pressurized gas in pr ...


9
Tina Urso: Quick-donning head harness assembly. Figgie International, Hodgson Russ Andrews Woods & Goodyear, December 3, 1991: US05069205 (210 worldwide citation)

A quick-donning head harness assembly (10) used in combination with a respirator face mask assembly (12) of the type including a rigid facepiece (14) and a flexible face seal (16), which head harness assembly and face mask assembly may be quickly donned and adjusted without becoming entangled with t ...


10
Thomas J Wood: Nasal tube assembly. Medlife, Bernstein & Associates, July 9, 1996: US05533506 (207 worldwide citation)

A nasal ventilation system comprising a tube terminating in a pair of nasal inserts. Each insert tapers at its end and has a soft membrane covering the tapered end for wearer comfort. A washer positioned below the membrane provides a positive seal with the nostril and prevents gas leakage by resting ...