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: Device for treating snoring sickness. Somed, Ladas & Parry, July 31, 1990: US04944310 (436 worldwide citation)

A device which may be used in the treatment of snoring sickness. An air blower supplies high volume air at slightly greater than atmospheric pressure to a flexible tube (2). Such air is communicated via tube (2) through nose piece (3), further through flexible tube (4) and a restrictive air outlet d ...


3
Colin E Sullivan, Jakob W Bruderer: Nasal mask for CPAP having ballooning/moulding seal with wearers nose and facial contours. The University of Sydney, Merchant Gould Smith Edell Welter & Schmidt, September 14, 1993: US05243971 (396 worldwide citation)

A nasal mask which is suitable for use in a continuous positive airway pressure system. The mask has a face contacting portion mounted to a shell which is sized and shaped to overfit the nose region of an intended wearer, and the face contacting portion is in the form of a distendable membrane which ...


4
Philip Rodney Kwok, Robert Edward Styles: Nasal mask and mask cushion therefor. ResMed, Holland & Hart, September 5, 2000: US06112746 (330 worldwide citation)

A nasal cushion (30) comprises a substantially triangularly shaped frame (32) from which extends a membrane (34). The frame (32) has a scalloped edge (36) by which the cushion (30) is affixed to a mask body. The membrane (34) has an aperture (38) into which the wearer's nose is received. The membran ...


5
Shawn R McCall, Daniel E Kimble, Allan R Jones Jr: Face mask for patient breathing. Sunrise Medical HHG, MacMillan Sobanski & Todd, July 13, 1999: US05921239 (292 worldwide citation)

A mask for directing air to the facial area of a patient includes a mask body in the form of a conduit, a seal connected to an outlet end of the mask body for contacting the patient's face in a sealing relationship, the seal being soft and pliable for patient comfort, and a vent tube connected to an ...


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Douglas R Ogden, Joseph A Abeyta, Gregg D Keefe: Respiratory facial mask. Respironics, W Scott Carson, September 2, 1997: US05662101 (271 worldwide citation)

A facial mask assembly for covering at least the nose and nares of a patient's face and compensating for any unequal forces that may be generated in the straps holding the mask on the patient's face. The assembly includes a rigid, cup-shaped shell with a soft seal engaging and sealing against the pa ...


8
Philip R Kwok, Michael K Gunaratnam, Perry D Lithgow, Jonathan P Harrison, Jonathan L Liston, Robert S Matchett, Robert E Styles: Forehead support for facial mask. ResMed, Pillsbury Winthrop, March 18, 2003: US06532961 (256 worldwide citation)

A forehead support is adapted to be secured to a respiratory mask. The forehead support includes a joining member for securing to the mask and a cushion frame pivotally mounted to the joining member. The cushion frame is adapted to located one or more forehead cushions. The cushion frame is also sel ...


9
Eric W Starr, Mary T Walthour: Two-point/four-point adjustable headgear for gas delivery mask. Respironics, Reed Smith Shaw & McClay, May 21, 1996: US05517986 (249 worldwide citation)

An adjustable headgear for use with reusable or disposable nasal and/or oral gas delivery masks. The headgear includes a cap-like headpiece adapted to fit the crown and back of a patient's head. Lower strap means provide a two-point connection with the gas delivery mask to achieve a comfortable fit ...


10
Donald J Stern, James A Tryon: Face mask assembly and method having a fan and replaceable filter. DJS&T Partnership, Hughes Multer & Schacht, December 13, 1994: US05372130 (216 worldwide citation)

A face mask assembly and method of use having a housing and a replaceable filter mounted in said housing. A fan means draws air into a plenum chamber defined by said housing and said filter for this air to pass into a facial breathing area. An outlet check valve is provided, and a primary filter thr ...