Patent application number | Description | Published |
20090057213 | LIQUID FILTER ASSEMBLY; AND METHODS - A liquid filter assembly is provided. The preferred assembly includes a serviceable filter cartridge having a primary filter section and a secondary or bypass filter section. The preferred assembly includes a bypass valve arrangement and a suction filter arrangement. The suction filter arrangement preferably includes a dimensionally biased valve arrangement, preferably one which is devoid of a helical coiled spring, to control flow through the suction filter. A flow/pressure regulation valve, to allow flow from an interior of the assembly to a reservoir if needed, is preferably provided. Preferred serviceable filter cartridges are shown. | 03-05-2009 |
20100065481 | LIQUID FILTER ASSEMBLY, COMPONENTS; AND METHODS - A liquid filter assembly is provided. The preferred assembly includes a serviceable filter cartridge having a primary filter section and a secondary or bypass filter section. The preferred assembly includes a bypass valve arrangement and a suction filter arrangement. A valve, to allow flow from an interior of the assembly to a reservoir if needed, is provided. Preferred serviceable filter cartridges are shown. | 03-18-2010 |
20120145625 | Liquid Filter Assembly; and, Methods - A liquid filter assembly is provided. The assembly includes a liquid filter cartridge and a housing. The liquid filter cartridge, includes, among other things, first and second, opposite, end caps each having a central aperture therethrough. A seal arrangement including a radially directed seal is mounted on a seal support of the first end cap that projects away from the second end cap. The cartridge includes a seal mount configured to define a seal plane non-orthogonal to a central axis of the cartridge. The housing includes a filter head and a housing sidewall. The filter head includes a filter head having a body, a top cover and a bottom aperture opposite the top cover. The housing extends through the bottom aperture. The cartridge as described is installed in the housing, with an end cap radially sealed against a tube in a bottom of the housing. | 06-14-2012 |
20120205300 | LIQUID FILTER ASSEMBLIES; FEATURES; COMPONENTS; AND, METHODS - Liquid filter assemblies, features, components and methods are described. In general, a liquid filter cartridge is provided which includes features that help ensure that when the assembly is serviced, the cartridge positioned within the assembly is a proper one, in proper sealing orientation, for appropriate use. Features that can be used to provide for this include: a seal on the filter cartridge that defines a seal pattern non-orthogonal to a plane perpendicular to a central axis of the filter cartridge; and, a member of a projection/receiver arrangement on the filter cartridge which is orientated to engage a portion of a liquid filter assembly, for example a liquid flow collar, to allow sealing when the cartridge is a properly positioned cartridge and a properly configured cartridge. Assembly features are described. Also, a flexible radial projection arrangement providing snap-fit interaction between a cartridge and housing is provided. Methods of assembly and use as described. | 08-16-2012 |
20120228209 | Liquid Filter Assembly; Components; and Methods - A liquid filter assembly is provided. The preferred assembly includes a serviceable filter cartridge having a primary filter section and a secondary or bypass filter section. The preferred assembly includes a bypass valve arrangement and a suction filter arrangement. A valve, to allow flow from an interior of the assembly to a reservoir if needed, is provided. Preferred serviceable filter cartridges are shown. | 09-13-2012 |
20130043176 | SPIN-ON FILTER ASSEMBLY AND METHODS - A spin-on filter cartridge includes a housing, a filter element operably oriented in the housing, a baffle plate, and a seal arrangement. The baffle plate is operably oriented over the housing open end and defines a central flow aperture. The baffle plate also defines a continuous groove immediately adjacent to and circumscribing the central flow aperture. The seal arrangement is secured to the baffle plate and spaced from and circumscribing the continuous groove. A filter assembly including the spin-on filter cartridge and a filter head is also disclosed wherein the filter cartridge is removably mountable on the filter head. When the spin-on filter cartridge is oriented on the filter head, a seal member is received within the continuous groove and the seal arrangement forms a seal between and against the baffle plate and the filter head. The seal can be radial or axial or have both axial and radial components. | 02-21-2013 |
20140305861 | LIQUID FILTER ASSEMBLY; COMPONENTS; AND, METHODS - A liquid filter assembly is provided. The preferred assembly includes a serviceable filter cartridge having a primary filter section and a secondary or bypass filter section. The preferred assembly includes a bypass valve arrangement and a suction filter arrangement. An optional valve, to allow flow from an interior of the assembly to a reservoir if needed, is provided. Preferred serviceable filter cartridges are shown. | 10-16-2014 |
Patent application number | Description | Published |
20110220113 | Chin strap - A chin strap includes a chin cup, side straps, and rear straps. The chin strap is used to urge the patient's jaw upwards and substantially close the patient's mouth while pressurized breathable gas is delivered to the patient's nose by the mask system. | 09-15-2011 |
20110247619 | Air delivery conduit - An air delivery conduit includes a tube including a plurality of corrugations. The corrugations vary along a length of the tube to change flexibility and/or stretch characteristics of the tube in one or more specific zones. | 10-13-2011 |
20120132208 | CUSHION ASSEMBLY FOR A RESPIRATORY MASK - A mask cushion or a mask assembly therewith provides a comfortable and effective seal for provision of a gas therapy by a respiratory treatment apparatus. The mask cushion ( | 05-31-2012 |
20120204881 | PAD FOR A MASK - A cushion pad for a mask worn by a patient, includes a first side to contact skin of the patient, and a second side, opposite the first side, to contact or face the mask. The pad has a main body portion an upper attachment portion extending from a top of the main body portion, and a lower attachment portion extending from a bottom of the main body portion, the upper attachment portions adapted to attach to an upper portion of the mask and a the lower attachment portion adapted to connect to a lower portion of the mask. | 08-16-2012 |
20120234326 | MASK SYSTEM - A mask system includes a frame and a cushion provided to the frame. The frame provides a brace or fulcrum like structure about which the cushion may pivot, bend, and/or flex. | 09-20-2012 |
20130139822 | MASK SYSTEM - A mask system including a headgear and cushion module and a seal and frame module provided to the headgear and cushion module. The seal and frame module includes a sealing portion adapted to form a seal with the patient's face and a frame portion adapted to form a breathing chamber. The headgear and cushion module includes a cushion region adapted to support and shape the sealing portion and a headgear region adapted to support and stabilize the mask system on the patient's face. | 06-06-2013 |
20130199537 | MASK SYSTEM - A mask system for delivery of respiratory therapy to a patient includes a nares portion and a mouth portion and an inlet conduit connected to at least one of the nares portion and the mouth portion to deliver the pressurized, breathable gas. The mask system is adapted to selectively utilize the nares portion and/or the mouth portion in a first mode utilizing both the nares portion and the mouth portion, and in a second mode utilizing the nares portion and not utilizing the mouth portion. | 08-08-2013 |
20130213400 | PATIENT INTERFACE SYSTEMS - A patient interface structure for delivery of respiratory therapy to a patient includes a front plate configured to conform to the shape of the patient's face; a mouth cushion defining a breathing chamber and provided to the front plate and configured to seal around the patient's mouth; and a nasal cushion configured to seal the patient's nasal airways. The nasal cushion is supported by the mouth cushion, does not contact a bridge of the patient's nose in use, and extends at least partially into the breathing chamber. A patient interface system includes a patient interface structure and a patient interface structure positioning system configured to position, stabilize and secure the patient interface structure in sealing engagement with the patient's face. | 08-22-2013 |
20130220327 | UNOBTRUSIVE NASAL MASK - A patient interface for delivering breathable gas to a patient includes a mask having a sealing portion adapted to form a seal with the patient headgear adapted to secure the mask to a head of the patient and an adjustable strap assembly including a pair of straps connected to one another in a length adjustable manner. | 08-29-2013 |
20140102456 | AIR DELIVERY CONDUIT - An air delivery conduit ( | 04-17-2014 |
20140190486 | ULTRASONIC WELDING OF FABRICS FOR SLEEP APNEA TREATMENT - A respiratory apparatus may employ ultrasonic welds. The ultrasonic welding may be used to join a variety of headgear, mask and accessory components. This process may enhance comfort, fit and/or performance of the joined components and/or overall mask assembly. A component may be a single layer component such as a textile or fabric, or a composite or multiple layer component such as fabric and foam composites, or outer fabric layers and inner spacer fabrics. Further, a component may be a strap, some other headgear component, a mask component, an accessory component or the like. | 07-10-2014 |
20140283831 | VENT ARRANGEMENT FOR RESPIRATORY MASK - A control system ( | 09-25-2014 |
Patent application number | Description | Published |
20140137870 | PAP SYSTEM - A PAP system includes a PAP device to generate a supply of pressurized air, a patient interface adapted to form a seal with the patient's face, air delivery tubing to interconnect the patient interface and the PAP device, and a cover that substantially encloses at least a portion of the PAP device and a portion of the air delivery tubing. The cover allows the PAP device to be carried by and/or supported on the patient's head. | 05-22-2014 |
20140166018 | NASAL MASK SYSTEM - A forehead support for a respiratory mask includes a forehead support arm structured to extend from a frame and a forehead support pad provided to the arm. The forehead support pad includes upper headgear connectors adapted to engage upper headgear straps and a flexible region. The upper headgear connectors are constructed of a first material and the flexible region is constructed of a second material that is more flexible than the first material to allow adjustment of the distance of the forehead support pad from the patient's forehead in use. | 06-19-2014 |
20140174448 | NASAL MASK SYSTEM - A nasal cushion for a mask system includes a side wall defining a breathing chamber, an undercushion extending from the side wall, and a membrane that at least partially covers the undercushion. The membrane is adapted to seal along the nasal bridge, sides of nose, corners of nose, and upper lip of the patient's face in use. The undercushion is only provided along the side of nose, corner of nose, and upper lip regions of the cushion. The undercushion includes a flap or extending portion in each side of nose region that is wider than the other regions thereof and adapted to engage and provide a force into the sides of the patient's nose in use. | 06-26-2014 |
20140209098 | MANUFACTURED TO SHAPE HEADGEAR AND MASKS - A headgear or headgear segments are manufactured to shape thereby producing little or no waste material. Techniques such as knitting, braiding, crocheting, and 3D printing can be used produce the headgear. | 07-31-2014 |
20140264975 | HUMIDIFIER RESERVOIR - An apparatus for humidifying a flow of pressurised, breathable air includes varying a first pressure of the flow of breathable gas to vary a level of thermal engagement between the conductive portion of the reservoir and the heater plate, varying a height of the variable portion varies a level of thermal engagement between the conductive portion of the reservoir and the heater plate, use of a humidifier reservoir base component with a maximum water capacity substantially equal to the predetermined maximum volume of water of the humidifier reservoir or the use of intersecting inlet and outlet axes. | 09-18-2014 |
20140311492 | ELECTRICALLY STIMULATED MASK AND/OR ASSOCIATED COMPONENTS - A respiratory assistance component is disclosed that changes shape when an electrical charge is provided. The amount of electrical charge that is applied may be based on values, characteristics, or user controlled parameters of the respiratory assistance system. The component may be all or part of a patient interface, a tube, a flow generator, and/or a sleep mat. | 10-23-2014 |
20140360505 | CHIN STRAP - A chin strap includes a chin cup, side straps, and rear straps. The chin strap is used to urge the patient's jaw upwards and substantially close the patient's mouth while pressurized breathable gas is delivered to the patient's nose by the mask system. | 12-11-2014 |
20150128953 | HEADGEAR FOR MASKS - A headgear for use with a mask includes a first strap being configured to engage a back of a patient's head and extend on either side of the patient's parietal bone behind the patient's ears and assume, in use, a substantially circular or oval shape. At least a portion of the first strap is substantially inextensible. The headgear also includes at least one second strap configured to removably connect the first strap to the mask. The second strap may be more extensible than the first strap. At least a portion of the first strap is self-supporting such that the headgear maintains a three dimensional shape when not in use. The substantially inextensible portion of the first strap is constructed to resiliently return to a predetermined shape when not in use. The arcuate region includes a first portion that may be arranged to align substantially parallel with a top of the patient's head and a second portion being arranged to align substantially to a rear surface of the patient's head. | 05-14-2015 |
20150190602 | PATIENT INTERFACE SYSTEMS - A patient interface structure for delivery of respiratory therapy to a patient includes a front plate configured to conform to the shape of the patient's face; a mouth cushion defining a breathing chamber and provided to the front plate and configured to seal around the patient's mouth; and a nasal cushion configured to seal the patient's nasal airways. The nasal cushion is supported by the mouth cushion, does not contact a bridge of the patient's nose in use, and extends at least partially into the breathing chamber. A patient interface system includes a patient interface structure and a patient interface structure positioning system configured to position, stabilize and secure the patient interface structure in sealing engagement with the patient's face. | 07-09-2015 |