Patent application number | Description | Published |
20090178679 | Cushion for a respiratory mask assembly - A respiratory mask includes a frame including a breathable gas port, wherein the frame defines an inner chamber to receive at least one of a wearer's nasal region and mouth. The mask includes a cushion including a flange connected to the frame, an inner rim defining an opening to the inner chamber of the frame, and a sealing portion disposed between the flange and the inner rim to contact the wearer's face. The sealing portion includes a nasal seal section to span a wearer's face above the wearer's nares, side seal sections extending from each side of the nasal seal section on both sides of the wearer's mouth, and a chin seal section that extends between the side seal sections. The chin seal section is upwardly curved in an arch to follow the chin's bony contour. | 07-16-2009 |
20110056498 | FOREHEAD PAD FOR RESPIRATORY MASK - A forehead pad for use in a respiratory mask with a forehead support, which includes a base portion to contact a user's forehead, a support post connected to the base portion, and a head adapted to connect the support post to a forehead support. A pair of forehead pads may be joined with a connector. | 03-10-2011 |
20110162644 | METHODS AND APPARATUS FOR SUPPLYING CLEAN BREATHABLE GAS - The invention features methods and apparatus for the treatment of asthma patients. A controlled supply of breathable air delivered to a patient interface or mask ( | 07-07-2011 |
20110220110 | Cushion for a respiratory mask assembly - A cushion for a respiratory mask assembly includes a breathing chamber forming portion and a face contacting portion formed in one piece of an elastomeric material, and a gusset portion including one or more folds. The breathing chamber forming portion includes a mask interior breathing chamber and the face contacting portion is structured to engage a patient's face. The gusset portion is structured to provide flexibility to the face contacting portion. The breathing chamber forming portion includes a front side of the mask and the face contacting portion includes a rear side of the mask. The breathing chamber forming portion, when provided to a mask frame, includes an exterior surface exposed at the front side of the mask. | 09-15-2011 |
20110220114 | Cushion for a respiratory mask assembly - A respiratory mask includes a frame including a breathable gas port, wherein the frame defines an inner chamber to receive at least one of a wearer's nasal region and mouth, and a cushion including a flange connected to the frame, an inner rim defining an opening to the inner chamber of the frame, and a sealing portion disposed between the flange and the inner rim to contact the wearer's face. The sealing portion includes a nasal seal section to span a wearer's face above the wearer's nares, side seal sections extending from each side of the nasal seal section on both sides of the wearer's mouth, and a chin seal section that extends between the side seal sections, wherein the chin seal section is upwardly curved in an arch to follow the chin's bony contour. | 09-15-2011 |
20130092169 | RESPIRATORY MASK ASSEMBLY - A respiratory mask assembly includes a frame, a forehead support, and an adjustment mechanism including a single finger-operated push button to allow selective adjustment of the forehead support relative to the frame. The frame includes a support arm and a housing provided to a free end of the support arm. The housing includes a front side including a closed configuration, a rear side, and a receiving space extending from the rear side and structured to slidably receive a slider of the forehead support. The forehead support is slidably mounted for linear movement in a direction which is substantially perpendicular to a longitudinal axis of the support arm. The single finger-operated push button includes a portion that extends through an opening provided in a top side of the housing. | 04-18-2013 |
20130233317 | CONNECTOR FOR A RESPIRATORY MASK AND A RESPIRATORY MASK - A respiratory mask assembly for delivering breathable gas to a patient includes a frame and an elbow assembly. The frame has a front surface and a rear surface adapted in use to face the patient. The frame includes a main body providing an aperture therethrough for the introduction of breathable gas into a nasal breathing cavity. The elbow assembly is swivelably coupled to the front surface of the frame. The elbow assembly includes a swivel elbow that defines an intake port and an exhaust port separated from the intake port using a baffle. The elbow assembly includes an end portion that interfaces with the aperture of the frame. | 09-12-2013 |
20130340761 | RESPIRATORY MASK HAVING GAS WASHOUT VENT AND GAS WASHOUT VENT ASSEMBLY FOR A RESPIRATORY MASK - The present invention provides a vent assembly suitable for use with a respiratory mask of the type used in CPAP treatment. In one embodiment the vent is made of a thin air permeable membrane. Generally, the membrane is thinner than 0.5 mm. The membrane can be made of a hydrophobic material such as polytetrafluoroethylene (PTFE). The membrane can also be fabricated from expanded PTFE. The expanded PTFE membrane is mounted on a polypropylene scrim. The pores of the membrane have a reference pore size of 10 to 15 microns. In an alternative embodiment, the vent assembly includes a vent constructed from stainless steel. In another embodiment the membrane has a superficial cross-sectional area of approximately 500 mm | 12-26-2013 |