ResMed Limited Patent applications |
Patent application number | Title | Published |
20160074618 | VENT ARRANGEMENT FOR RESPIRATORY DEVICE - A vent arrangement for a respiratory pressure therapy device may include one or a plurality of vents configured with a variable aperture for communicating a flow of breathable gas. The vent arrangement may be configured with a cross section profile exposed to the flow of breathable gas communicating through the vent that does not change as the aperture size changes. A vent arrangement may include a plurality of the vents and the aperture size of each vent may be controlled independently or together, and may be controlled according to one or more input signals from one or more sensors. Examples of suitable input signals include flow, pressure, noise, accelerometer outputs, orientation of a patient or presence of any obstructions. A patient interface or an air circuit may include the vent arrangement, or the vent arrangement may be configured to connect with a patient interface or an air circuit. | 03-17-2016 |
20160038698 | ADJUSTMENT OF TARGET VENTILATION IN A SERVOVENTILATOR - A servoventilator control slowly changes the target ventilation over a period of time, according to a preprogrammed schedule adapted to be set by the physician. Preferably, the target ventilation stays constant at an initial target ventilation for an initial hold time, and then increases at a constant rate until it reaches a final target ventilation, whereupon it stays constant thereafter. If the pressure support level is too high, possibly indicating glottic or upper airway closure, the rate of increase of target ventilation may be lowered or the final target ventilation not reached. | 02-11-2016 |
20150374944 | RESPIRATORY APPARATUS - A mask apparatus for a respiratory treatment can permit delivery of breathable gas to a user. In one example, the mask may employ a frame and cushion to form a seal for both mouth and nose. The frame may be adapted for coupling with a respiratory treatment apparatus so as to permit communication of a pressurized gas from the respiratory treatment apparatus. The cushion, which may be foam, may have a substantially under the nose configuration or over the nose configuration. The mask may have a common plenum chamber for both nose and mouth. The cushion may further define a centrally open lip superior region. The cushion may be adapted to couple with the frame directly or to the frame in conjunction with a cushion support clip. Various features of the cushion may further promote sealing and comfort for the under the nose design. | 12-31-2015 |
20150359987 | PATIENT INTERFACE SYSTEMS - A patient interface system for delivery of a supply of air at positive pressure to the entrance of a patient's airways for treatment of sleep disordered breathing includes an air delivery tube connected to a flexible portion of a plenum; a vent structure having sufficient rigidity to support its own weight under gravity and/or not to block or fold under tube movement or tube drag; and a patient interface structure. The patient interface structure includes a seal forming structure arranged on a top portion of the plenum; and a seal positioning and stabilizing structure connected to a flexible portion of the plenum. The seal-forming structure is substantially decoupled from a tube drag force. | 12-17-2015 |
20150335851 | DISCREET RESPIRATORY THERAPY SYSTEM - A device provides respiratory treatment such as for sleep disordered breathing and other respiratory conditions in a discreet configuration to provide a minimally invasive system. The system may include a flow pressurizer apparatus configured to generate a pressurized flow of air through a small bore delivery conduit toward a patient interface. The system may further include a treatment compensator coupled with the fine bore delivery conduit. The treatment compensator may be configured at the patient interface to reduce pressure for patient inspiration. A processor may control adjustments to the pressure generated by the flow pressurizer apparatus. | 11-26-2015 |
20150290416 | METHODS AND APPARATUS FOR IONIZATION - Devices and systems provide methods of controlling breathable gas generation such as for a respiratory treatment and/or for controlling ionization of the gas. In an example, a controller of a respiratory treatment apparatus controls generation of a supply of ionized air. The apparatus may include a flow generator to generate a flow of pressurized breathable gas. The flow generator may be adapted for connection with a respiratory interface. The apparatus may also include an ionizer to ionize the flow of gas. The controller may be coupled with the ionizer and the flow generator and be configured to control the ionizer to programmatically change levels of ionization of the gas. Such ionized gas treatments may be suitable for helping users to sleep or improving respiratory oxygen absorption, and may be for patients with, for example, sleep disordered breathing or chronic obstructive pulmonary disease. | 10-15-2015 |
20150290415 | POSITIONING AND STABILISING STRUCTURE FOR A PATIENT INTERFACE SYSTEM - A patient interface system to treat sleep disordered breathing of a patient with pressurized gas, comprising: a patient interface; at least one strap; at least one retractor fixedly attached to the patient interface, said at least one retractor connected to the at least one strap and configured to retract the at least one strap without patient actuation; and at least one pad to cushion a rearward portion of the patient's head, said at least one pad having an opening, wherein said at least one strap passes through said opening to allow the at least one pad to move freely relative to said at least one strap. | 10-15-2015 |
20150209539 | PATIENT INTERFACE SYSTEMS - A patient interface system for delivery of a supply of air at positive pressure to the entrance of a patient's airways for treatment of sleep disordered breathing includes an air delivery tube connected to a flexible portion of a plenum; a vent structure having sufficient rigidity to support its own weight under gravity and/or not to block or fold under tube movement or tube drag; and a patient interface structure. The patient interface structure includes a seal forming structure arranged on a top portion of the plenum; and a seal positioning and stabilizing structure connected to a flexible portion of the plenum. The seal-forming structure is substantially decoupled from a tube drag force. | 07-30-2015 |
20150199479 | SYSTEM AND METHOD FOR MEDICAL DEVICE IDENTIFIER - A method and system assists in management of data associated with a home medical equipment (HME) device provided to a patient. An HME identifier may be received by a physician terminal or an HME provider terminal. In an example, an HME identifier may be stored, encoded, engraved or otherwise applied to a component of an HME device such as a removable storage medium (e.g., an SD card). A records management system may then be searched for a patient record associated with the HME device identifier based on retrieval of the identifier from the component. If a patient record is found, the identity of the patient may be verified. Optionally, if no such patient record is found, then a new patient record associated with the HME identifier may be created. | 07-16-2015 |
20150128941 | METHOD AND APPARATUS FOR ORAL FLOW THERAPY - A therapy system configured to wash out or flush out the oral and/or nasal cavity to reduce the effective dead space and reduce the work of breathing. The system may displace the expired air in the oral and/or nasal cavity with atmospheric air, or air with altered concentrations, for example, increased humidity, or oxygen levels. A sealed oral interface is provided to the mouth of a patient to supply a volume of pressurized gas. A control system to synchronize the supply of pressurized gas with the patients respiratory cycle. The supply of respiratory gas may be provided during only a portion of the respiratory cycle. | 05-14-2015 |
20150122685 | PACKAGING SYSTEM FOR PATIENT INTERFACE SYSTEM - A packaging tray for a patient interface system, the patient interface system adapted to provide respiratory therapy, the packaging tray comprising: at least one cushion assembly region, each shaped to conform to at least a portion of a cushion assembly; a tube region shaped to conform to at least a portion of a tube; and a positioning and stabilising structure region shaped to conform to at least a portion of a positioning and structure. | 05-07-2015 |
20150114396 | METHODS AND APPARATUS FOR PRESSURE TREATMENT MODULATION - Respiratory pressure treatment apparatus include automated methodologies for controlling modulation of pressure during an inspiratory phase or an expiratory phase of patient respiration. The changes in pressure result in various pressure waveforms that may be suitable for treating patients suffering from respiratory insufficiency such as Chronic Obstructive Pulmonary Disease. In example embodiments, a pressure rise or pressure increase may be controlled during a period of patient expiration by implementation of linear, cubic and/or quartic functions that serve as control parameters in a processor that controls a flow generator. One or more of the functions may optionally serve as a control parameter to control the pressure increase during an expiration period and a following decrease during the period of expiration. In some embodiments, such functions may further control a decrease in pressure during a period of patient inspiration, such as a decrease prior to mid-inspiration. | 04-30-2015 |
20150059755 | APPARATUS AND METHODS FOR VENTILATORY TREATMENT - Disclosed is an apparatus for treating a respiratory disorder, configured to compute a measure of typical recent ventilation such that a rate of adjustment of the measure of typical recent ventilation is reduced as a measure of recent uncompensated leak increases. Also disclosed is an apparatus for treating a respiratory disorder, configured to compute a target ventilation from a product of a measure of typical recent ventilation and a target fraction, wherein the target fraction is dependent on the recent pressure support. | 03-05-2015 |
20150047643 | CUSHION FOR PATIENT INTERFACE - A cushion for a patient interface that delivers breathable gas to a patient includes a base wall structured to be connected to a frame, an underlying support cushion extending away from the base wall towards the patient's face in use, and a membrane provided to substantially cover at least a portion of the underlying cushion. The membrane is adapted to form a continuous seal on the patient's face. The underlying cushion has a spring-like connection with the base wall. The underlying cushion and/or base wall define a spring constant that varies along a length of the seal. | 02-19-2015 |
20150020808 | METHODS AND APPARATUS WITH IMPROVED VENTILATORY SUPPORT CYCLING - A ventilator that delivers air at different pressures to a patient during inspiratory and expiratory cycles of breathing and that cycles from inspiratory to expiratory operation when the patient's respiratory flow passes a threshold level. The threshold generally increases form the beginning of inspiration to the end of inspiration. The increase can be linear over all or only a proton of the inspiratory cycle, and the threshold can be adjusted so that cycling is prevented during the initial portion of an inspiratory cycle. The minimum and maximum levels may both be functions of peak flow and the threshold may increase as a function of elapsed inspiratory time. The rate at which the threshold increases from a minimum level to a maximum level may be adjustable for individual patient needs and may be determined from previous breaths. | 01-22-2015 |
20140331998 | DETERMINATION OF LEAK AND RESPIRATORY AIRFLOW - Methods and apparatus for determining leak and respiratory airflow are disclosed. A pressure sensor ( | 11-13-2014 |
20140305431 | EXCHANGER ASSEMBLY FOR RESPIRATORY TREATMENT - An exchanger conduit permits temperature and/or humidity conditioning of a gas for a patient respiratory interface. In an example embodiment, a conduit has a first channel and a second channel where the first channel is configured to conduct an inspiratory gas and the second channel configured to conduct an expiratory gas. An exchanger is positioned along the first channel and the second channel to separate the first channel and the second channel. The exchanger is configured to transfer a component (e.g., temperature or humidity) of the gas of the second channel to the gas of the first channel. In some embodiments, an optional flow resistor may be implemented to permit venting at pressures above atmospheric pressure so as to allow pressure stenting of a patient respiratory system without a substantial direct flow from a flow generator of respiratory treatment apparatus to the patient during patient expiration. | 10-16-2014 |
20140290658 | METHODS AND APPARATUS FOR PROVIDING VENTILATION TO A PATIENT - The present technology relates to methods and apparatus to provide ventilation to patients. In particular, the present technology relates to changing ventilator parameters to match changing patient metabolic demand. | 10-02-2014 |
20140283835 | METHOD AND APPARATUS FOR PROVIDING VENTILATORY ASSISTANCE - The apparatus provides for the determination of the instantaneous phase in the respiratory cycle, subject's average respiration rate and the provision of ventilatory assistance. A microprocessor ( | 09-25-2014 |
20140283831 | VENT ARRANGEMENT FOR RESPIRATORY MASK - A control system ( | 09-25-2014 |
20140283827 | CONNECTORS FOR CONNECTING COMPONENTS OF A BREATHING APPARATUS - A breathing apparatus includes components, including, but not limited to, a flow generator, a patient interface, and a delivery conduit. A connector for connecting components of the breathing apparatus includes a male connector, including a recess, extending from a first component, and a female connector, including a lever pivotally connected thereto, extending from a second component. A switch indicates a connection state of the connector. The switch includes a ring provided in an end of the first or second component and the ring includes a projection extending through an aperture in the end of the first or second component. The projection is movable between a first position and a second position to indicate the state of the connector. | 09-25-2014 |
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 |
20140261434 | INTERCHANGEABLE MASK ASSEMBLY - A system of breathing arrangements for delivering breathable gas to a patient includes at least first and second cushion components, e.g., full-face, nasal, nasal prongs, nose tip, and/or a combination of any of the above, including a nasal or full-face cushion and nasal prongs/nozzles combination, etc., that are different from one another in at least one aspect, and a common frame assembly configured to support each of the first and second cushion components. Various embodiments are directed to a full-face or nasal mask used with a frame having lateral connector portions having a stiffening member. The mask assembly may include a nose height adjustment device for the height of the cushion, or a cushion adjustment member by which the position of the cushion may be adjusted relative to the frame. The mask assembly may include a chin strap assembly. | 09-18-2014 |
20140261433 | NASAL ASSEMBLY - A vent assembly includes at least one vent having a first end configured to face atmosphere and a second end opposite the first end, and a central portion provided between the first and second ends including a substantially cylindrical cross-sectional shape, wherein the second end includes a counter bore. | 09-18-2014 |
20140261432 | PATIENT INTERFACE SYSTEMS FOR ENSURING EFFECTIVE SEAL - A patient interface system for delivering breathable gas to a patient includes a patient interface configured to sealingly engage the patient's face. A mechanism may be provided to ensure that an effective seal is maintained between the patient interface and the patient's face by preventing, reducing, minimizing or limiting effects of disruptive forces, such as tube drag, on the patient interface. | 09-18-2014 |
20140261427 | VENT DEVICE FOR USE WITH A RESPIRATORY DEVICE - A vent device for a respiratory device, comprising one or a plurality of vents configured with a variable aperture size for communicating a flow of breathable gas. Said vent device being configured so that the cross section profile exposed to the flow of breathable gas communicating through the vent does not change as the aperture size changes. A vent device may comprise of a plurality of the said vents, wherein the aperture size of each vent may be controlled independently or together, and may be controlled according to one or more input signals from one or more sensors. Examples of suitable input signals include flow, pressure, noise, accelerometer outputs, orientation of a patient or presence of any obstructions. A patient interface or a patient conduit may comprise the vent device, or the vent device may be configured to connect with a patient interface or a patient conduit. | 09-18-2014 |
20140261422 | DEVICE FOR PROVIDING BREATHABLE GAS - The present technology relates to a kit comprising a device for providing breathing gas to a patient and a specific facing as well as to a method of setting the mode of operation of such a device. | 09-18-2014 |
20140261412 | HEADGEAR CONNECTION ASSEMBLY FOR A RESPIRATORY MASK ASSEMBLY - A respiratory mask assembly for delivering breathable gas to a patient includes a frame having a main body and a side frame member provided on each lateral side of the main body. The main body provides an orifice therethrough for the introduction of breathable gas into a nasal breathing cavity and a collar that substantially surrounds the orifice. At least one of the side frame members includes an integrally formed locking clip receiver assembly. The frame is formed by molding such that mold components of a mold can be withdrawn along a single plane to separate the mold from the collar and the locking clip receiver assembly. | 09-18-2014 |
20140238404 | HEADGEAR CONNECTION ASSEMBLY FOR A RESPIRATORY MASK ASSEMBLY - A respiratory mask assembly for delivering breathable gas to a patient includes a frame and at least one locking clip. The frame has a main body and a side frame member provided on each lateral side of the main body, at least one of the side frame members including a locking clip receiver assembly. The at least one locking clip has a main body providing a front portion adapted to be removably coupled with the at least one locking clip receiver assembly and a rear portion adapted to be removably coupled to a headgear assembly. The rear portion includes a cross bar that forms an opening through which a strap of the headgear assembly can pass and be removably coupled with the cross bar, and the front portion includes at least one resiliently flexible spring arm that is flexible within the plane of the main body. | 08-28-2014 |
20140230244 | Quiet Blower Apparatus and System and Method for Reducing Blower Noise - A blower assembly including a motor, an impeller and a volute that is configured such that an inlet chamber of the volute and an outlet chamber of the volute are divided from one another by an airtight membrane and the membrane is configured to allow the transmission of pressure waves between the inlet and outlet chambers. | 08-21-2014 |
20140216459 | WIRE HEATED TUBE WITH TEMPERATURE CONTROL SYSTEM FOR HUMIDIFIER FOR RESPIRATORY APPARATUS - A PAP system for delivering breathable gas to a patient includes a flow generator to generate a supply of breathable gas to be delivered to the patient; a humidifier including a heating plate to vaporize water and deliver water vapor to humidify the supply of breathable gas; a heated tube configured to heat and deliver the humidified supply of breathable gas to the patient; a power supply configured to supply power to the heating plate and the heated tube; and a controller configured to control the power supply to prevent overheating of the heating plate and the heated tube. | 08-07-2014 |
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 |
20140202465 | FLEXIBLE FOREHEAD SUPPORT - A respiratory mask includes a mask frame and a forehead support provided to the mask frame. The forehead support includes a base extending from the frame. The base includes a flexible portion along at least a portion of its length including a material and/or physical characteristic that allows the base to flex from an original, unloaded position. | 07-24-2014 |
20140202464 | CUSHION FOR A RESPIRATORY MASK ASSEMBLY - A respiratory mask assembly including a frame and a cushion provided to the frame. The cushion including a non-face contacting portion removably attached to the frame and a face-contacting portion adapted to engage a patient's face. The face-contacting portion includes a side wall, a rim extending from the side wall and curving inwardly into a cavity of the cushion, and a membrane substantially surrounding the rim and including an inside surface spaced from an outside surface of the rim. The cushion includes a gusset portion extending radially outwardly from the side wall of the face-contacting portion and a reinforcing ring between the gusset portion and the face-contacting portion. The reinforcing ring is constructed and arranged to act as a stiffening hoop to reduce the tendency of the cushion to expand when under pressure. | 07-24-2014 |
20140202463 | PATIENT INTERFACE DEVICE - A patient interface device (e.g., nasal pillows, a nasal mask or a full-face mask) for delivering breathable gas to a patient has a frame with a main body and a side frame member provided on each lateral side of the main body, each side frame member including a first connector portion, and a headgear assembly removably attachable to the frame, the headgear assembly having a second connector portion adapted to be removably coupled with the first connector portion provided on the frame. The first connector portion and the second connector portion are configured for rotationally locking engagement in a plurality of different rotationally locked positions in which the first and second connector portions may not rotate relative to one another, such that the headgear assembly is rotationally adjustable with respect to the frame. | 07-24-2014 |
20140202460 | WIRE HEATED TUBE WITH TEMPERATURE CONTROL SYSTEM, TUBE TYPE DETECTION, AND ACTIVE OVER TEMPERATURE PROTECTION FOR HUMIDIFIER FOR RESPIRATORY APPARATUS - A PAP system for delivering breathable gas to a patient includes a flow generator to generate a supply of breathable gas to be delivered to the patient; a humidifier including a heating plate to vaporize water and deliver water vapor to humidify the supply of breathable gas; a heated tube configured to heat and deliver the humidified supply of breathable gas to the patient; a power supply configured to supply power to the heating plate and the heated tube; and a controller configured to control the power supply to prevent overheating of the heating plate and the heated tube. | 07-24-2014 |
20140200476 | RESPIRATORY APPARATUS WITH IMPROVED FLOW-FLATTENING DETECTION - 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 obstruction index is used to differentiate normal and obstructed breathing. The obstruction index is based upon different weighting factors applied to sections of the airflow signal thereby improving sensitivity to various types of respiration obstructions. | 07-17-2014 |
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 |
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 |
20140174444 | VENT SYSTEM FOR CPAP PATIENT INTERFACE USED IN TREATMENT OF SLEEP DISORDERED BREATHING - A vent assembly for use with a mask assembly includes a first vent and a second vent having at least one different flow characteristic wherein the vent assembly can be switched between the first vent and the second vent to alter flow of exhaled gas from a patient. | 06-26-2014 |
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 |
20140166017 | FOREHEAD SUPPORT FOR A PATIENT INTERFACE - A forehead support for a patient interface used in the treatment of sleep disordered breathing, includes a support post provided to a frame and a pair of arms extending from the support post. At least one of the pair of arms is adapted to rotate relative to the support post about an axis that extends transverse to the support post. | 06-19-2014 |
20140166014 | ADMINISTRATION OF CPAP TREATMENT PRESSURE IN PRESENCE OF APNEA - CPAP treatment apparatus is disclosed having a controllable flow generator ( | 06-19-2014 |
20140158137 | ERGONOMIC AND ADJUSTABLE RESPIRATORY MASK ASSEMBLY WITH CUSHION - A respiratory mask assembly for delivering breathable gas to a patient includes a frame having a front surface and a rear surface adapted in use to face the patient. A cushion having a side wall is removably attachable to the frame. The cushion has a rim extending away from the side wall, and a membrane provided to substantially surround the rim. An inner edge of the membrane defines an aperture, the aperture having a generally trapezoidal shape. | 06-12-2014 |
20140158136 | TEXTILE MASK SYSTEMS - A mask system for providing pressurized breathable gas includes at least one panel and a seal member, wherein the panel comprises a textile. The panel defines a cavity adapted to receive a patient's nose. The seal member is adapted to sealingly engage with the patient's face. The panel and seal member may be integrally formed in one piece. | 06-12-2014 |
20140158134 | RESPIRATORY APPARATUS - A flow generator for generating a flow of pressurized breathable gas includes a cylindrical housing and a motor supported in the housing. The motor has a shaft having a first end and a second end opposite the first end. The shaft is generally coincident with an axis of the motor. A first impeller is attached to the first end of the shaft and a second impeller is attached to the second end of the shaft. A stator directs an air flow from the first impeller back towards the motor axis. The housing includes an inlet adjacent the first end of the shaft having an inlet axis generally coincident with the motor axis and at least one outlet between the first and second impellers. The at least one outlet has an outlet axis generally tangential to the motor axis. | 06-12-2014 |
20140150798 | SWIVEL ELBOW AND CONNECTOR ASSEMBLY FOR PATIENT INTERFACE SYSTEMS - A swivel elbow and connector assembly for a patient interface system includes a ring configured to be sealingly secured in an aperture of the patient interface system. The ring includes a first side in an interior of the patient interface system and a second side at an exterior of the patient interface system when the ring is secured in the aperture. The ring also includes a plurality of vents configured to permit flow of gases from the interior to the exterior of the patient interface system. The swivel elbow and connector assembly includes an elbow swivelably secured in the ring. A patient interface system for delivering a flow of breathable gas to a user includes a patient interface structure configured to sealing engage the face of the user. The patient interface structure includes an aperture. A swivel elbow and connector assembly is sealingly secured in the aperture. | 06-05-2014 |
20140150793 | MECHANICAL VENTILATION IN THE PRESENCE OF SLEEP DISORDERED BREATHING - A method for controlling operation of a CPAP apparatus. The apparatus has a blower, a patient interface, an air delivery conduit for delivering air from the blower to the patient interface, a sensor for determining the pressure in the patient interface, and a control mechanism that causes air to be delivered at a desired pressure to the patient interface and that detects transitions between inhalation and exhalation of a respiratory cycle of a patient in order to synchronise the blower output with the patient's efforts. In one form the CPAP apparatus provides pressure in accordance with a bi-level waveform with at least one characterising parameter of the waveform being automatically adjusted in accordance with indications of sleep disordered breathing. The indications of sleep disordered breathing can be one or more of snoring, apnea, hypopnea, and flow limitation. | 06-05-2014 |
20140150238 | METHOD FOR ASSEMBLING A PATIENT INTERFACE - A respiratory mask assembly includes a rigid mask frame and a cushion. A clip secures the cushion to the frame. | 06-05-2014 |
20140144449 | CUSHION FOR PATIENT INTERFACE - A cushion for a patient interface that delivers breathable gas to a patient includes a base wall structured to be connected to a frame, an underlying support cushion extending away from the base wall towards the patient's face in use, and a membrane provided to substantially cover at least a portion of the underlying cushion. The membrane is adapted to form a continuous seal on the patient's face. The underlying cushion has a spring-like connection with the base wall. The underlying cushion and/or base wall define a spring constant that varies along a length of the seal. | 05-29-2014 |
20140144438 | METHODS AND APPARATUS FOR IONIZATION THERAPY - Devices and systems provide methods of controlling breathable gas generation such as for a respiratory treatment and/or for controlling ionization of the gas. In an example, a controller of a respiratory treatment apparatus controls generation of a supply of ionized air. The apparatus may include a flow generator to generate a flow of pressurized breathable gas. The flow generator may be adapted for connection with a respiratory interface. The apparatus may also include an ionizer to ionize the flow of gas. The controller may be coupled with the ionizer and the flow generator and be configured to control the ionizer to programmatically change levels of ionization of the gas. Such ionized gas treatments may be suitable for helping users to sleep or improving respiratory oxygen absorption, and may be for patients with, for example, sleep disordered breathing or chronic obstructive pulmonary disease. | 05-29-2014 |
20140144431 | METHOD AND APPARATUS FOR MONITORING THE CONDITION OF A PATIENT WITH DIABETES - An apparatus for treatment of a patient with both sleep-disordered breathing and diabetes includes: a blower configured to provide a supply of air at positive pressure; a patient interface; headgear to hold the patient interface in position in communication with a patient's airways; at least one hypoglycemia sensor; an alarm; and a controller, wherein the controller is programmed to receive a signal from the at least one hypoglycemia detector, analyze the signal for indications of hypoglycemia and upon detection of an indication of hypoglycemia trigger the alarm. | 05-29-2014 |
20140142457 | METHOD AND APPARATUS FOR IMPROVED FLOW LIMITATION DETECTION OF OBSTRUCTIVE SLEEP APNEA - 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 an obstruction index used to differentiate normal and obstructed breathing. The obstruction index is based upon comparison of values of airflow in different sectors of the inspiratory peak of the wave function and is particularly suitable for distinguishing M shaped or square shaped respiratory patters indicative of partially obstructed airways. | 05-22-2014 |
20140137872 | FOREHEAD SUPPORT FOR A FACIAL MASK - A forehead support for a respiratory mask. The forehead support includes a pair of arms. The arms are each adapted to locate a forehead cushion. The arms are also adapted to pivot relative to each other. The arms are also selectively lockable at two or more angular positions relative to each other. The forehead support can thus be adjusted to suit the facial topography of the wearer of the respiratory mask. | 05-22-2014 |
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 |
20140131904 | HUMIFIER AND LAYERED HEATING ELEMENT - A heating apparatus includes a heating element ( | 05-15-2014 |
20140130802 | HUMIDIFICATION OF RESPIRATORY GASES - A humidifier for humidifying a flow of breathable gas to be delivered to a patient includes a chamber configured to receive the flow of breathable gas; a tub configured to contain a supply of water, the tub being configured to be inserted into the chamber; a lid provided on the chamber and being movable between an open position and a closed position; and a seal provided on the lid, the seal being configured to seal the chamber such that the flow of breathable gas pressurizes the chamber. The humidifier may be connectable to a flow generator configured to generate the flow of breathable gas. A tube for delivering the humidified flow may be connected to the humidifier. The tube may be a heated or non-heated tube. A respiratory apparatus for delivering a flow of breathable gas to a patient may include the humidifier and the flow generator and/or the tube. A method of humidifying a flow of breathable gas comprises sealing a chamber containing a supplying a water and pressurizing the chamber by directing the flow of breathable gas into the chamber. | 05-15-2014 |
20140116442 | SYSTEMS, METHODS, AND/OR APPARATUSES FOR NON-INVASIVE MONITORING OF RESPIRATORY PARAMETERS IN SLEEP DISORDERED BREATHING - In certain example embodiments, an air delivery system includes a controllable flow generator operable to generate a supply of pressurized breathable gas to be provided to a patient for treatment and a pulse oximeter. In certain example embodiments, the pulse oximeter is configured to determine, for example, a measure of patient effort during a treatment period and provide a patient effort signal for input to control operation of the flow generator. Oximeter plethysmogram data may be used, for example, to determine estimated breath phase; sleep structure information; autonomic improvement in response to therapy; information relating to relative breathing effort, breathing frequency, and/or breathing phase; vasoconstrictive response, etc. Such data may be useful in diagnostic systems. | 05-01-2014 |
20140116438 | COMBINATION ENHANCED THERAPY - A Positive Airway Pressure (PAP) device includes a flow generator that generates a supply of pressurized air. The flow generator includes a programmable controller. The programmable controller is adapted to allow continuous access to at least one active operating mode and selective access to at least one dormant operating mode. The programmable controller includes a mode control system adapted to receive a data signal to control the selective access to the at least one dormant operating mode. | 05-01-2014 |
20140102456 | AIR DELIVERY CONDUIT - An air delivery conduit ( | 04-17-2014 |
20140096773 | SUPPLEMENTAL GAS DELIVERY DEVICE FOR MASK ASSEMBLY - A supplemental gas delivery device is described for a mask assembly having at least one supplemental gas port, the at least one supplemental gas port including an aperture in communication with an interior of the mask assembly. The mask assembly may include an aperture communicating with an interior of the mask assembly, and a cannula for communicating with the supplemental gas port. The cannula is positioned to deliver supplemental gas adjacent to the patient's nares and/or mouth, to increase an efficacy of treatment for the patient by more directly applying the flow of supplemental gas to the patient's nares. An optional bridging portion may be included to provide a connection between supplemental gas port and the cannula. | 04-10-2014 |
20140090648 | METHOD AND APPARATUS FOR TREATING APNEA/HYPOPNEA - Methods and/or apparatuses for treating sleep-disordered breathing (SDB) are provided. In particular, systems and/or methods are provided which may temporarily boost the pressure of a supply of breathable gas provided by an AutoSet device for the treatment of hypopnea. In certain example embodiments, a supply of breathable is provided to patients to treat apneas and/or hypopneas. The presence and/or absence of apneas and/or hypopneas are detected (e.g. by monitoring the Apnea-Hypopnea Index). When hypopnea events are detected, the pressure of the supply of breathable gas temporarily is increased above the Pcrit and/or CPAP levels, at least during patient inspiration. When the hypopnea events are normalized, the pressure is reduced. In certain example embodiments, the pressure will not be increased when a non-hypopnea event is detected at the same time as a hypopnea event. | 04-03-2014 |
20140090643 | PORTS CAP FOR MASK ASSEMBLY - A ports cap for a mask assembly includes two closure portions adapted to seal respective ports of the mask assembly, a bridge piece that joins the two closure portions, and two gripping tabs extending outwardly from respective closure portions. Each gripping tab includes one or more ribs on at least one side thereof. | 04-03-2014 |
20140076318 | METHOD AND APPARATUS FOR ASSESSING SLEEP QUALITY - Systems and/or methods for assessing the sleep quality of a patient in a sleep session are provided. Data is collected from the patient and/or physician including, for example, sleep session data in the form of one or more physiological parameters of the patient indicative of the patient's sleep quality during the sleep session, a subjective evaluation of sleep quality, etc.; patient profile data; etc. A sleep quality index algorithm, which optionally may be an adaptive algorithm, is applied, taking into account some or all of the collected data. Sleep quality data may be presented to at least the patient, and it may be displayed in any suitable format (e.g., a format useful for the patient to be appraised on the progress of the treatment, a format useful for a sleep clinician to monitor progress and/or assess the effectiveness of differing treatment regimens, etc). | 03-20-2014 |
20140069430 | VENTILATORY ASSISTANCE FOR TREATMENT OF CARDIAC FAILURE AND CHEYNE-STOKES BREATHING - Method and apparatus for the treatment of cardiac failure, Cheyne Stokes breathing or central sleep apnea are disclosed. A subject is provided with ventilatory support. Respiratory airflow is determined. From the respiratory airflow are derived a measure of instantaneous ventilation and a measure of longterm average ventilation. A target ventilation is taken as 95% of the longterm average ventilation. The instantaneous ventilation is fed as the input signal to a clipped integral controller, with the target ventilation as the reference signal. The output of the controller determines the degree of ventilatory support. A third measure of ventilation, for example instantaneous ventilation low pass filtered with a time constant of 5 seconds, is calculated. Ventilatory support is in phase with the subject's respiratory airflow to the fuzzy extent that this ventilation is above target, and at a preset rate conversely. | 03-13-2014 |
20140069428 | VENT ARRANGEMENT FOR RESPIRATORY MASK - A control system provides automated control of gas washout of a patient interface, such as a mask or nasal prongs. A gas washout vent assembly of the system may include a variable exhaust area, such as one defined by gears, radial exhaust revolvers and/or flow diverters for a conduit having a variable gas passage channel. The vent assembly may be attached substantially near or included with the patient interface. An actuator of the assembly, such as a solenoid, motor or voice coil, manipulates the vent assembly. The actuator may be configured for control by a processor to change the exhaust area of the vent assembly based on various methodologies including, for example, sleep detection, disordered breathing event detection and/or leak detection. | 03-13-2014 |
20140066725 | METHOD AND APPARATUS FOR DETECTING INEFFECTIVE INSPIRATORY EFFORTS AND IMPROVING PATIENT-VENTILATOR INTERACTION - A method and system for detecting an ineffective effort of a patient being mechanically ventilated by a ventilator comprises (i) monitoring a respiratory flow of air of the patient after said ventilator has cycled; (ii) creating a signal indicative of said flow; (iii) removing artefact from said signal; (iv) monitoring said signal for perturbations; and (v) determining that an ineffective effort has occurred when said perturbation is significant. | 03-06-2014 |
20140053844 | PATIENT INTERFACE SYSTEMS - A headgear for use with a patient interface for delivering a flow of breathable gas to a patient includes at least a strap adapted to position the patient interface in sealing engagement with the patient's airways. The strap is constructed from an elastomer and a first side of the strap includes a first region on a portion of its surface that is textured to reduce friction with objects contacting the strap. A textured surface coating for a portion of an elastomer strap included in a headgear system is adapted to contact the skin of a patient, when in use, and the coating has a Ra value greater than zero. A vent for use with a patient interface for delivering a flow of breathable gas to a patient includes a plurality of rises and runs in a stepped arrangement; and a plurality of holes in the stepped arrangement for the venting of gas. | 02-27-2014 |
20140041664 | REINFORCING MEMBER FOR A PATIENT INTERFACE - A patient interface includes a frame, a cushion having a non-face-contacting portion connected to the frame and a face-contacting portion adapted to engage the patient's face in use, the face-contacting portion including a side wall and a flexible membrane extending from the side wall, and a reinforcing member provided to at least a portion of the side wall of the cushion. The reinforcing member includes a cut-out so that the reinforcing member provides reinforcement to selected regions of the cushion. | 02-13-2014 |
20140041663 | MULTIPLE STAGE BLOWERS AND VOLUTES THEREFOR - A multiple stage variable speed blower for Continuous Positive Airway Pressure (CPAP) ventilation of patients includes two impellers in the gas flow path that cooperatively pressurize gas to desired pressure and flow characteristics. Thus, the multiple stage blower can provide faster pressure response and desired flow characteristics over a narrower range of motor speeds, resulting in greater reliability and less acoustic noise. | 02-13-2014 |
20140032231 | SYSTEM AND METHOD FOR TRACKING MEDICAL DEVICE USAGE - A system provides medical device data to a system user. The medical device data is provided as an icon indicating compliance or non-compliance by the medical device user in connection with a predetermined set of usage criteria. Compliance is calculated based on usage data that is provided by the medical device. The system user may select one of the icons so as to have the system generate a compliance report. The compliance report may then be transmitted to a reimbursing entity. | 01-30-2014 |
20140026890 | ELASTIC HEADGEAR - Headgear, comprising at least one strap; and at least one rigidizer, the headgear being arranged to position one of the at least one strap and one of the at least one rigidizer, with regard to one another such that the rigidizer imparts a desired shape to at least a portion of the strap while allowing said portion of the strap to move relative to the rigidizer. | 01-30-2014 |
20140020687 | DISCREET RESPIRATORY THERAPY SYSTEM - A device provides respiratory treatment such as for sleep disordered breathing and other respiratory conditions in a discreet configuration to provide a minimally invasive system. The system may include a flow pressurizer apparatus configured to generate a pressurized flow of air through a fine bore delivery conduit toward a patient interface. The system may further include a treatment compensator coupled with the fine bore delivery conduit. The treatment compensator may be configured at the patient interface to reduce pressure for patient inspiration. A processor may control adjustments to the pressure generated by the flow pressurizer apparatus. | 01-23-2014 |
20140020684 | RESPIRATORY BREATHING APPARATUS - A respiratory apparatus comprising a base and removable chamber, wherein the chamber is configured to hold a supply of water and include a blower arrangement adapted to provide a supply of pressurized air or gas to the supply of water. In certain embodiments the respiratory apparatus includes a split motor, wherein the stationary components are located within a base and the rotating portions are located within a chamber. | 01-23-2014 |
20140001658 | REMOVABLE AND/OR REPLACEABLE HUMIDIFIER | 01-02-2014 |
20140000620 | OXYGEN DIVERTER VALVE | 01-02-2014 |
20140000619 | INEXTENSIBLE HEADGEAR AND CPAP OR VENTILATOR MASK ASSEMBLY WITH SAME | 01-02-2014 |
20130340762 | MASK AND MASK CUSHION THEREFOR - A cushion comprises a substantially triangularly shaped frame from which extends a membrane. The membrane is spaced away from the rim of the frame, and its outer surface is of substantially the same shape as the rim. The seal forming portion thus contacts both the surface of the wearer's nose and a portion of the wearer's face. The shape of the seal forming portion is particularly suited to effectively seal the difficult region of the facial contour that is the crease between the sides of the nose and the face. | 12-26-2013 |
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 |
20130340759 | DETERMINING SUITABLE VENTILATOR SETTINGS FOR PATIENTS WITH ALVEOLAR HYPOVENTILATION DURING SLEEP - A method and apparatus for determining suitable settings for a servo-ventilator to be used during a treatment period. Respiratory characteristics of a patient are measured during a learning period preceding the treatment period. With these measured characteristics, a target ventilation setting may be calculated by alternative methods. The calculated setting may then be used for enforcing a minimum ventilation during the treatment period where ventilatory support is provided with a servo-controlled ventilator. | 12-26-2013 |
20130340757 | COMPLIANT COUPLER OR ADAPTOR - A CPAP device includes a flow generator including an outlet, a humidifier including an inlet, and an adaptor connector between the outlet of the flow generator and the inlet of the humidifier. The connector includes a flexible and conformable sealing portion that is movable to accommodate misalignment. | 12-26-2013 |
20130331713 | METHODS AND APPARATUS FOR MONITORING THE CARDIOVASCULAR CONDITION OF PATIENTS WITH SLEEP DISORDERED BREATHING - An apparatus for assessing patient breathing and cardiovascular condition of a patient includes a storage medium for storing data regarding the breathing and cardiovascular condition of the patient, a processor in communication with the storage medium, the processor being configured to prompt the patient with a series of queries relating to patient breathing and cardiovascular condition, a display for presenting the patient with the series of queries and a date entry device for receiving responses to the series of queries. The processor is configured to tally positive responses to the series of queries to generate a sleep disordered breathing index. | 12-12-2013 |
20130327336 | MASK VENT - A vent arrangement is provided to a mask to discharge exhaled gas from the mask to atmosphere. The vent arrangement is structured to diffuse the exhaust vent flow to produce less air jetting, thereby increasing the comfort of the patient and their bed partner. The vent may include a first wall, a second wall defining an outer perimeter, and a plurality of gas washout vent holes positioned between the first wall and the second wall, the vent holes having an inner edge positioned within the outer perimeter of the second wall. | 12-12-2013 |
20130327333 | MASK SYSTEM - A full-face mask system for delivery of a supply of gas at positive pressure to a patient for medical treatment includes a shroud, a cushion module adapted to form a seal with the patient's nose and mouth, an elbow, and headgear. The cushion module includes a frame and a cushion. The frame includes an opening that releasably receives a distal end of the elbow with a snap-fit, wherein an inner edge of the opening and the distal end of the elbow together form a retention structure to retain the elbow to the frame. | 12-12-2013 |
20130324788 | METHOD AND APPARATUS FOR TREATMENT OF SLEEP DISORDERS - A system for therapy may include a mask ( | 12-05-2013 |
20130319421 | FOREHEAD SUPPORTS FOR FACIAL MASKS - A face mask assembly (FMA) for supplying breathable gas to a wearer. The face mask assembly (FMA) includes a mask frame including a support, a facial cushion attached to the mask frame, and a forehead support. The forehead support includes a forehead cushion assembly and an adjustment knob operatively coupled to the forehead cushion assembly. The adjustment knob is threadably engaged with the forehead cushion assembly such that turning movement of the adjustment knob causes the mask frame to be moved between retracted and extended positions with respect to the forehead cushion assembly. | 12-05-2013 |
20130319415 | ACCLIMATIZATION THERAPY FOR FIRST TIME USERS - Systems, methods, and/or apparatuses for acclimatizing a user to positive airway pressure (PAP) therapy are provided. Generally, a sub-therapeutic treatment pressure is provided initially. It may be ramped up to a full treatment pressure over the course of one or more therapy sessions. The pressure level may be ramped up based on, for example, sleep state, sleep phase, patient compliance with types of treatment (e.g. bilevel vs. CPAP, etc.), clinician input (either at the site, remotely, via pre-programmed smartcards, etc.), etc. Such techniques may be used alone or in combination. | 12-05-2013 |
20130317765 | METHODS AND DEVICES WITH LEAK DETECTION - Automated methods provide leak detection that may be implemented in a respiratory treatment apparatus. In some embodiments, the detection apparatus may automatically determine and score different types of leak events during a treatment session, including, for example, continuous mouth leak events and valve-like mouth leak events. The detection methodologies may be implemented as a data analysis of a specific purpose computer or a detection device that measures a respiratory airflow or a respiratory treatment apparatus that provides a respiratory treatment regime based on the detected leak. In some embodiments, the leak detector may determine and report a leak severity index. Such an index may combine data that quantifies different types of leak events. | 11-28-2013 |
20130312758 | MASK SYSTEM - A mask system for treating sleep disordered breathing, comprising headgear, a shell/cushion including a channel adjacent a front aperture, a frame, an elbow including at least one undercut on a proximal end, a retaining ring including a rear flange adapted to be retainably insertable in the channel of the shell/cushion, and a front flange adapted to retainably engage with the at least one undercut of the elbow. | 11-28-2013 |
20130312753 | METHOD AND APPARATUS FOR RESOLVING UPPER AIRWAY OBSTRUCTION, RESISTANCE OR INSTABILITY - A CPAP apparatus has a variable rise time (iii) from a base level of positive air pressure during expiration (EPAP) to a higher level during inspiration (IPAP). The rise time is adjusted in order to reduce obstruction, resistance or instability in the upper airway. | 11-28-2013 |
20130312750 | USING MOTOR SPEED IN A PAP DEVICE TO ESTIMATE FLOW - A method and apparatus are disclosed for determining airflow through a PAP device while applying PAP therapy. The actual speed of a blower 6 is measured. The desired motor current I DES required for the actual speed to approach or maintain a desired speed is used, together with the actual speed RPM ACT, in a flow estimation algorithm to determine flow through the PAP device. The estimation algorithm consists of a two-dimensional look-up table, where the inputs are the desired motor current and actual motor speed, and the output is the flow through the PAP device. | 11-28-2013 |
20130306076 | FOREHEAD SUPPORTS FOR FACIAL MASKS - A forehead support for a mask assembly includes a frame connector provided to a mask frame, a forehead cushion support movably mounted to the frame connector for generally linear movement between retracted and extended positions with respect to the frame connector, and an adjustment knob movably mounted to the frame connector and threadably engaged with the forehead cushion support such that turning movement of the adjustment knob causes the forehead cushion support to be moved between the retracted and extended positions. The adjustment knob includes a resilient prong having a ratchet bump. The ratchet bump is adapted to selectively engage a series of ridges provided to the frame connector to provide indexed incremental adjustment. | 11-21-2013 |
20130306066 | ELBOW ASSEMBLY - An elbow assembly for a mask system includes an elbow including a slot and a port, an anti-asphyxia valve adapted to be received within the slot and including a flap portion adapted to selectively close the port depending on the presence of pressurized gas, and a support member to secure the anti-asphyxia valve to the elbow. The support member includes a slot that is adapted to interlock with a protrusion provided to the anti-asphyxia valve. | 11-21-2013 |
20130298908 | LOW COST CPAP FLOW GENERATOR AND HUMIDIFIER ASSEMBLY - A method for controlling a humidifier of a CPAP device including a controller, the method including controlling a heating element in the humidifier with command signals from the controller, sensing a temperature of a fluid in the humidifier with a sensor in the humidifier that transmits signals to the controller, establishing an acceptable operating range for the signal transmitted to the controller, determining whether the transmitted signal is within the acceptable operating range, if the signal is within the acceptable operating range treating the signal as being indicative of the temperature of the fluid in the humidifier and using the signal to control the heating element, and if the signal is outside of the acceptable operating range, the controller determines the humidifier to be unavailable. | 11-14-2013 |
20130284169 | HUMIDIFIER - A humidifier includes a heating element including a porous structure of electrically resistive and thermally conductive material configured to substantially vaporise liquid that is passed through the porous structure. The porous structure has a liquid inlet and a vapour outlet. The humidifier further includes an outer housing surrounding at least a portion of the porous structure for containing the liquid and vapour within the porous structure. The porous structure includes a first electrical connector and a second electrical connector, the first and second connectors being configured for receiving electrical power and applying a voltage across the porous structure to generate heat. | 10-31-2013 |
20130280055 | DOUBLE-ENDED BLOWER AND VOLUTES THEREFOR - A variable speed blower for Continuous Positive Airway Pressure (CPAP) ventilation of patients includes two impellers in the gas flow path that cooperatively pressurize gas to desired pressure and flow characteristics. Thus, the blower can provide faster pressure response and desired flow characteristics over a narrower range of motor speeds, resulting in greater reliability and less acoustic noise. | 10-24-2013 |
20130247911 | POSITIVE AIRWAY PRESSURE DEVICE - A positive airway pressure (PAP) device for supplying a flow of breathable gas to a patient includes a first housing; a flow generator provided in the first housing, the flow generator configured to generate a flow of breathable gas; a second housing configured to be connected to the first housing, the second housing including a channel having an inlet configured to receive the flow of breathable gas and an outlet configured to discharge the flow of breathable gas, wherein the first housing is provided on top of the second housing such that a footprint of the PAP device is not substantially increased beyond a footprint of the second housing. | 09-26-2013 |
20130247906 | LIFE STYLE FLOW GENERATOR - A method for delivering a therapeutic or medicinal substance, comprising sensing a patient to generate a sleep stage signal indicating a patient's sleep stage, and releasing and/or delivering a therapeutic or medicinal substance via the patient's airways in accordance with the sleep stage signal. | 09-26-2013 |
20130239973 | CUSHION FOR MASK SYSTEM - A mask system for use between a patient and a device to deliver a breathable gas to the patient includes a frame including a channel and a cushion provided to the frame. The cushion includes an end portion that is inserted and retained within the channel. The frame includes a recess that communicates with the channel and a hole that connects the recess to a frame exterior. The hole and recess provide an exit route for air contained within the channel. | 09-19-2013 |
20130239971 | FLOW REGULATION VENT - A flow regulation vent includes a fixed portion adapted to engage a gas supply conduit and a spring force biased movable portion connected by a hinge to the fixed portion and flowingly connected to the pressurized gas supply. The fixed portion includes a gas flow orifice. The movable portion is pivotably movable between 1) a relaxed position, wherein at a specified minimum operating pressure, the movable portion is pivoted by the spring force away from the fixed portion to a position to establish a first gas washout flow area between the movable portion and the gas flow orifice; and 2) a fully pressurized position, wherein at a specified maximum operating pressure, the pressurized gas offsets the spring force to pivot the movable portion to a position adjacent the fixed portion to establish a minimum gas washout flow area between the movable portion and the gas flow orifice. | 09-19-2013 |
20130239966 | HEATING ELEMENT, HUMIDIFIER FOR RESPIRATORY APPARATUS INCLUDING HEATING ELEMENT, AND RESPIRATORY APPARATUS - An apparatus for delivering breathable gas to a patient includes a flow generator to generate a flow of breathable gas; a humidifier chamber to contain a supply of water; a first flow path to deliver the flow of breathable gas from the flow generator to the humidifier chamber; a second flow path to deliver the flow of breathable gas from the humidifier chamber to a patient interface; and a wicking element and/or a flat, elongate heating element provided at least in the humidifier chamber. A method of delivering a flow of breathable gas to a patient includes generating a flow of breathable gas; and humidifying the flow by passing the flow over a supply of water. Humidifying the flow includes heating the supply of water and/or the flow with a heating element in thermal contact with the water and/or the flow before passing the supply of water, the flow over the supply of water, and/or the flow after passing the supply of water; and controlling a voltage applied to the heating element to control the humidity of the flow. A tube for use in delivering a flow of breathable gas to a patient includes a circuit including electrically conductive ink provided on an inner surface and/or an outer surface. | 09-19-2013 |
20130239960 | MODULARIZED RESPIRATORY TREATMENT APPARATUS - 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 independently retain or enclose the respective components that serve the function of the module. Different modules may be adapted with different components and functionalities and may be readily coupled using standardized gas and electrical connection configurations that have flow and communication paths that extend through the modules. When coupled, operation of the respiratory treatment apparatus may be controlled by detection of different modules, such as the alarm module that generates visual and/or audible alarms based on detected conditions, so as to selectively enable or disable different respiratory treatments. The discrete modules of the medical treatment apparatus may include tamper resistant locking mechanisms to impede unauthorized separation of some modules. | 09-19-2013 |
20130237793 | METHOD AND APPARATUS FOR DETECTING CARDIAC SIGNALS - Devices and systems provide methods for detecting cardiac signals from head or facial biopotential sensors. In one embodiment, a facial biopotential signal is measured by a set of sensors. A processor derives a cardiac signal from the facial biopotential signal. Optionally, heart rate is detected from the cardiac signal. Heart rate variability may be determined and evaluated by the processor to generate warnings or messages from the evaluation. One or more head or facial biopotential electrodes for measuring the facial biopotential signal may be integrated in or at a contact surface of head support structures such as a headgear support or respiratory treatment mask. In some such embodiments a controller of a respiratory treatment apparatus may serve as a cardiac signal detector by processing the facial biopotential signal from the sensors and may make control adjustments or generate warnings based on an evaluation of detected signals. | 09-12-2013 |
20130233320 | HEADGEAR ASSEMBLY FOR A RESPIRATORY MASK ASSEMBLY - A respiratory mask assembly for delivering breathable gas to a patient includes a frame and a headgear assembly removably attachable to the frame. The headgear assembly includes a pair of side portions and a rear portion that interconnects the pair of side portions. The pair of side portions includes at least one strap. The rear portion has at least one strap constructed of at least two layers of material. One of the layers of material has a more rigid construction than the other of the layers of material to resist compression of the at least one strap of the rear portion in a first direction which resists movement of the at least one strap of the pair of side straps in the first direction. | 09-12-2013 |
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 |
20130233316 | INTERCHANGEABLE MASK ASSEMBLY - A mask assembly adapted for use with a positive airway pressure device includes a mask frame, a cushion provided to the frame, a forehead support assembly, and a neck to connect the frame to the forehead support assembly. The neck includes at least one wall including a first edge and a second edge, wherein lower ends of the first edge and the second edge converge towards one another in an upward direction and upper ends of the first edge and second edge diverge from one another in an upward direction. The mask assembly is configured so that a relatively narrow portion of the neck overlies the bridge of the nose or is between the eyes of a user. The relatively narrow portion is a portion of the neck where a distance between the first edge and second edge is smallest. | 09-12-2013 |
20130228182 | METHODS AND APPARATUS FOR VARYING THE BACK-UP RATE FOR A VENTILATOR - A ventilator device delivers ventilatory support to a patient in a back up timed mode when patient respiration is not detected or a spontaneous mode when patient respiration is detected. The timing threshold governing the back-up mode is chosen to deviate from normal expected respiration time for the patient to promote patient initiated ventilation in the spontaneous mode but permit back-up ventilation in the event of apnea. Automated adjustments to the timing threshold during the timed mode are made from the less vigilant timing threshold to a more vigilant threshold at or near a timing of normal expected breathing of the patient. Such adjustments may be made from a minimum to a maximum vigilance timing settings or incrementally there between as a function of time in the timed mode which is preferably the number of delivered machine breaths. | 09-05-2013 |
20130226020 | ACOUSTIC DETECTION MASK SYSTEMS AND/OR METHODS - Certain examples described herein relate to acoustic detection mask systems and/or methods. In certain examples, an acoustic detection mask system is provided. An example acoustic detection mask system includes a mask having a microphone located therein or thereon. The microphone is connected to a data logger that is configured to capture vibrations and/or sounds registered by the microphone. The data logger may store such information in a computer readable storage media thereof for subsequent analysis, e.g., via a computer program accessing such data after the data logger is connected to a separate computer system. The microphone may be positioned and the data analyzed so as to determine differences between oral and nasal breathing, as well as sleep-disordered breath and/or snoring. Such components may be provided as a part of a system or in any suitable combination or sub-combination. Associated methods also are described herein as a part of the technology. | 08-29-2013 |
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 |
20130213402 | CUSHION TO FRAME ASSEMBLY MECHANISM - A full-face mask assembly includes a frame, a cushion provided to the frame, the cushion adapted to form a seal around the patent's nose and mouth and a skeleton frame to maintain the cushion to the frame, the skeleton frame including at least one of an upper support member adapted to support a forehead support, lower headgear clip receptacles adapted to be engaged with clips provided to straps of a headgear assembly, and an annular elbow connection seal adapted to engage an inlet conduit. | 08-22-2013 |
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 |
20130206143 | FLOW GENERATOR MESSAGE SYSTEM - A flow generator for delivering breathable gas to a patient includes a processor coupled with operation sensors and a user interface. The processor is programmed to generate at least one of time-based or event-based messages relating to at least one of flow generator operation, flow generator service, flow generator use, patient health, peripheral devices and services, patient treatment, and reminders. Time-based messages are generated at predetermined time intervals based on either time of use or elapsed time. The event-based messages are generated based on signals from the operation sensors. The user interface is configured to deliver the messages to at least one of a display, a flow generator service provider, the patient and a physician. By this system, operation of the flow generator is facilitated and enhanced. | 08-15-2013 |
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 |
20130178761 | COMPUTER CONTROLLED CPAP SYSTEM WITH SNORE DETECTION - 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 such that treatment pressure does not cause false snore detection. | 07-11-2013 |
20130174847 | DISTINGUISHING BETWEEN CLOSED AND OPEN AIRWAY APNEAS AND TREATING PATIENTS ACCORDINGLY - A method of controlling treatment of respiratory conditions of a patient includes determining a signal representative of patient respiratory flow. The signal is analysed to determine (i) the presence of an apnea and a hypopnea and (ii) if present, a type of the apnea or hypopnea. A motor driven blower is controlled to increase a treatment pressure of an airflow delivered toward the airway of the patient upon determination of the presence of an apnea or a hypopnea depending on the type of the apnea or hypopnea, and otherwise to decrease the treatment pressure. | 07-11-2013 |
20130174843 | HUMIDIFIERS FOR RESPIRATORY APPARATUS - A tub for a humidifier includes an inner tub configured to hold a supply of water; an outer tub configured to receive the inner tub, the outer tub comprising a bottom and a cavity being formed between the bottom and the inner tub when the inner tub is received in the inner tub; and a valve configured to control a flow of the supply of water from the inner tub to the cavity. The valve is closed to prevent the flow when the inner tub is received in a first position in the outer tub and open to permit the flow when the inner tub is received in a second position in the outer tub. | 07-11-2013 |
20130174839 | ERGONOMIC AND ADJUSTABLE RESPIRATORY MASK ASSEMBLY WITH ELBOW ASSEMBLY - A respiratory mask assembly for delivering breathable gas to a patient includes a frame having 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. An 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. | 07-11-2013 |
20130160769 | MASK VENT - A mask system includes a mask component including one or more openings for gas washout and a vent component provided to the mask component. The vent component includes one or more tracks or grooves along its outer surface adapted to guide gas washout. The vent component is adapted to cover the one or more openings in the mask component so that gas washout escapes along the one or more tracks or grooves between an outer surface of the mask component and the vent component. | 06-27-2013 |
20130160766 | METHODS AND APPARATUS FOR PREVENTING RAINOUT - Components for a respiratory treatment apparatus that is capable of providing a humidified respiratory treatment permit a reduction in condensation in a patient interface and/or its gas delivery tubing. In some embodiments, a rainout valve that may be an integrated component of a humidifier output aperture, or coupled thereto, may reduce condensation with a vapor barrier operable to selectively block and permit humidified gas transfer from the humidifier. For example, the barrier may be operable to open in response to a flow of pressurized breathable gas that may be generated by a flow generator of the respiratory treatment apparatus. In the absence of such a generation of pressurized flow, the barrier may prevent a transfer of the humidified gas such as into a conduit for a patient interface by retracting to a closed position. Example vapor barriers may include a resilient membrane, cover, bellows, flap, shutter or other suitable valve. | 06-27-2013 |
20130152934 | ADAPTIVE CYCLING FOR RESPIRATORY TREATMENT APPARATUS - A controller or processor (s) implements detection of respiratory related conditions that may serve as control logic to synchronize pressure treatment delivery with a patient's respiratory cycle. Based on data derived from sensor signals associated with the respiratory treatment, a monitoring device, detector or respiratory treatment apparatus may evaluate flow measures from a flow sensor and distinguish flow attributable to the respiratory treatment apparatus and flow attributable to patient respiratory muscles. The determination may serve as a basis of synchronization criteria that controls pressure levels from a pressure treatment apparatus, such as by evaluating the determined patient generated flow or a relationship between total flow and apparatus flow. In some embodiments, data for the cycling conditions is determined in preliminary treatment cycles during which synchronized pressure changes are controlled according to other cycling criteria. The new cycling conditions are then automatically initiated for control of synchronization in subsequent cycles. | 06-20-2013 |
20130152369 | MASK AND VENT ASSEMBLY THEREFOR - A method for attaching a removable, washout vent insert to a CPAP mask, the CPAP mask comprised of a rigid plastics shell having an inlet tube, the rigid plastics shell having an opening bounded by a rim, the vent insert being made of a material more flexible than the rigid plastic shell, the vent insert having a plurality of orifices, the vent insert, in a cross-sectional view, having a recess located at its periphery, includes: squeezing the vent insert along its longitudinal axis; aligning the vent insert so it is oriented to match the shape of the opening; inserting the vent insert into the opening; and releasing the vent insert once it is within the opening, the vent insert resiliently expanding to engage the rim of the opening. | 06-20-2013 |
20130146059 | ERGONOMIC AND ADJUSTABLE RESPIRATORY MASK ASSEMBLY WITH FRAME - A respiratory mask assembly for delivering breathable gas to a patient includes a frame having a front surface and a rear surface, opposite the front surface, and adapted in use to face the patient. The frame defines an inner wall and an outer wall extending from the rear surface, the inner and outer walls being spaced to define a channel therebetween. A cushion is removably attachable to the frame such that the cushion and frame are repeatably engagable with and disengagable from one another. The cushion includes a side wall to be inserted into the channel of the frame, the side wall having a first interlocking surface that engages a second interlocking surface provided in the channel when the cushion and frame are engaged with one another. The first and second interlocking surfaces interlock with one another to removably attach the cushion to the frame. | 06-13-2013 |
20130139824 | FILLED HOLLOW STRUCTURE AND METHOD/TOOL FOR MANUFACTURING SAME - Methods and tools for producing a filled hollow structure, comprising producing an open hollow structure from a first material, providing a closing structure to at least partially close the open hollow structure, filling the hollow structure with a filler medium, and overmoulding the filled hollow structure with a second material as well as hollow structures obtainable by said methods and the use of said tools. | 06-06-2013 |
20130133661 | CPAP MASK AND SYSTEM - A continuous positive air pressure (“CPAP”) or ventilator system includes a mask and an air flow generator. The air flow generator is mounted or provided to the mask's wearer. In one embodiment, air flow generator is mounted on the mask. | 05-30-2013 |
20130133660 | MASK SYSTEM - A cushion module provided to a frame module for delivery of a supply of gas at positive pressure to be delivered to a patient's airways, the cushion module comprising a main body and a cushion, the main body defining a breathing chamber and having an exterior surface adapted to directly engage with a surface of the frame module, wherein the main body and the cushion together comprise a co-molded, integrated component, the main body comprising a molded polycarbonate material adapted to directly contact the frame module and the cushion comprises a molded silicone material adapted to interface with patient's face, and wherein the molded polycarbonate material of the main body is a more rigid material than the molded silicone material of the cushion. | 05-30-2013 |
20130133659 | MASK SYSTEM - A mask includes a shroud; a cushion module that engages the shroud, the cushion module including a frame and a full-face cushion adapted to engage the patient's face generally along nasal bridge, cheek, and chin regions of the patient's face, the frame at least partly defining a breathing chamber; an elbow connected to the frame in a releasable and rotatable manner, the elbow being adapted to be connected to an air delivery tube to deliver breathable gas to the patient; and headgear removably attachable to the shroud, wherein: the frame includes an opening, the elbow including a distal end releasably inserted into the opening of the frame with a snap-fit, thereby connecting the elbow to the frame, whereby the connection between the elbow and the frame also maintains the shroud in engagement with the frame. | 05-30-2013 |
20130133658 | MASK SYSTEM - A full face mask system for treatment of respiratory disorder with Continuous Positive Airway Pressure equipment suitable to generate a supply of gas at positive pressure to be delivered to a patient's airways, the mask system comprising a frame module; a cushion module provided to the frame module and adapted to form a seal with the patient's face; an elbow module provided to the frame module and adapted to be connected to an air delivery tube to deliver breathable gas to the patient; and headgear removably attachable to the frame module. | 05-30-2013 |
20130133657 | METHOD AND APPARATUS FOR ADJUSTING RESPIRATORY MASK SEALING FORCE - A mask assembly includes a mask with an inflatable bladder. The internal pressure of the inflatable bladder can be set to be higher than the delivered therapeutic pressure. The pressure offset may be constant, or it may vary over the range of therapeutic pressures. Thus, the force necessary to maintain a contact seal between the mask and the patient can be reduced, thereby providing a system that is more comfortable to the patient, which increases patient compliance. | 05-30-2013 |
20130118494 | METHODS AND APPARATUS FOR HEART FAILURE TREATMENT - Methods and apparatus for assessing the condition of and treating patients for heart failure by the delivery of continuous positive airway pressure are disclosed. Treatment of obstruction due to reflex vocal cord closure often experienced by heart failure patients is distinguished from treatment of upper airway obstruction typically associated with Obstructive Sleep Disorder. Treatment may also be implemented by delivering synchronized cardiac pressure oscillations superimposed on a respiratory pressure level to provide assistance for the heart. Heart treatment pressure dose indicator may be calculated for prescribing and monitoring the delivery of treatment. The apparatus may also generate data to track heart failure condition that may be indicative of the degree of severity of heart failure based upon breathing patterns to assist in the diagnosis and management of heart failure patients. | 05-16-2013 |
20130118492 | TUB FOR HUMIDIFIER - A humidifier includes a tub configured to hold a supply of water. The tub includes a tub lid and a tub base adapted to be coupled to the tub lid. The tub further includes a base plate formed of a heat conducting material and adapted to be coupled to the tub base and a seal positioned between the base plate and the tub base. The tub also includes a retaining mechanism with at least one projection that projects from the tub base and is configured to force the base plate against the seal so that the seal is secured against the tub base. | 05-16-2013 |
20130112203 | BLADDER CUSHION, FOREHEAD CUSHION, HEADGEAR STRAPS, HEADGEAR CAP AND/OR CHINSTRAP - A cushion for a patient interface includes two or more bladders arranged in concentric relation. Each of the bladders includes a face-contacting portion adapted to engage the patient's face, and each of the bladders is adapted to be pressurized independently from one another. At least one of the bladders is an active bladder that is pressurized to at least a sealing pressure to form a continuous seal with the patient's face in use. | 05-09-2013 |
20130104898 | PRESSURE SUPPORT VENTILATION OF PATIENTS | 05-02-2013 |
20130092170 | CUSHION FOR PATIENT INTERFACE - A cushion for a patient interface that delivers breathable gas to a patient includes a base wall structured to be connected to a frame, an underlying support cushion extending away from the base wall towards the patient's face in use, and a membrane provided to substantially cover at least a portion of the underlying cushion. The membrane is adapted to form a continuous seal on the patient's face. The underlying cushion has a spring-like connection with the base wall. The underlying cushion and/or base wall define a spring constant that varies along a length of the seal. | 04-18-2013 |
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 |
20130092168 | CUSHION FOR PATIENT INTERFACE - A cushion for a patient interface that delivers breathable gas to a patient includes a base wall structured to be connected to a frame, an underlying support cushion extending away from the base wall towards the patient's face in use, and a membrane provided to substantially cover at least a portion of the underlying cushion. The membrane is adapted to form a continuous seal on the patient's face. The underlying cushion has a spring-like connection with the base wall. The underlying cushion and/or base wall define a spring constant that varies along a length of the seal. | 04-18-2013 |
20130087149 | CUSHION FOR PATIENT INTERFACE - A cushion for a patient interface that delivers breathable gas to a patient includes a base wall structured to be connected to a frame, an underlying support cushion extending away from the base wall towards the patient's face in use, and a membrane provided to substantially cover at least a portion of the underlying cushion. The membrane is adapted to form a continuous seal on the patient's face. The underlying cushion has a spring-like connection with the base wall. The underlying cushion and/or base wall define a spring constant that varies along a length of the seal. | 04-11-2013 |
20130087148 | CUSHION FOR PATIENT INTERFACE - A cushion for a patient interface that delivers breathable gas to a patient includes a base wall structured to be connected to a frame, an underlying support cushion extending away from the base wall towards the patient's face in use, and a membrane provided to substantially cover at least a portion of the underlying cushion. The membrane is adapted to form a continuous seal on the patient's face. The underlying cushion has a spring-like connection with the base wall. The underlying cushion and/or base wall define a spring constant that varies along a length of the seal. | 04-11-2013 |
20130087147 | CUSHION FOR PATIENT INTERFACE - A cushion for a patient interface that delivers breathable gas to a patient includes a base wall structured to be connected to a frame, an underlying support cushion extending away from the base wall towards the patient's face in use, and a membrane provided to substantially cover at least a portion of the underlying cushion. The membrane is adapted to form a continuous seal on the patient's face. The underlying cushion has a spring-like connection with the base wall. The underlying cushion and/or base wall define a spring constant that varies along a length of the seal. | 04-11-2013 |
20130086796 | CUSHION FOR PATIENT INTERFACE - A cushion for a patient interface that delivers breathable gas to a patient includes a base wall structured to be connected to a frame, an underlying support cushion extending away from the base wall towards the patient's face in use, and a membrane provided to substantially cover at least a portion of the underlying cushion. The membrane is adapted to form a continuous seal on the patient's face. The underlying cushion has a spring-like connection with the base wall. The underlying cushion and/or base wall define a spring constant that varies along a length of the seal. | 04-11-2013 |
20130086795 | CUSHION FOR PATIENT INTERFACE - A cushion for a patient interface that delivers breathable gas to a patient includes a base wall structured to be connected to a frame, an underlying support cushion extending away from the base wall towards the patient's face in use, and a membrane provided to substantially cover at least a portion of the underlying cushion. The membrane is adapted to form a continuous seal on the patient's face. The underlying cushion has a spring-like connection with the base wall. The underlying cushion and/or base wall define a spring constant that varies along a length of the seal. | 04-11-2013 |
20130081632 | CUSHION FOR PATIENT INTERFACE - A cushion for a patient interface that delivers breathable gas to a patient includes a base wall structured to be connected to a frame, an underlying support cushion extending away from the base wall towards the patient's face in use, and a membrane provided to substantially cover at least a portion of the underlying cushion. The membrane is adapted to form a continuous seal on the patient's face. The underlying cushion has a spring-like connection with the base wall. The underlying cushion and/or base wall define a spring constant that varies along a length of the seal. | 04-04-2013 |
20130081631 | CUSHION FOR PATIENT INTERFACE - A cushion for a patient interface that delivers breathable gas to a patient includes a base wall structured to be connected to a frame, an underlying support cushion extending away from the base wall towards the patient's face in use, and a membrane provided to substantially cover at least a portion of the underlying cushion. The membrane is adapted to form a continuous seal on the patient's face. The underlying cushion has a spring-like connection with the base wall. The underlying cushion and/or base wall define a spring constant that varies along a length of the seal. | 04-04-2013 |
20130081630 | CUSHION FOR PATIENT INTERFACE - A cushion for a patient interface that delivers breathable gas to a patient includes a base wall structured to be connected to a frame, an underlying support cushion extending away from the base wall towards the patient's face in use, and a membrane provided to substantially cover at least a portion of the underlying cushion. The membrane is adapted to form a continuous seal on the patient's face. The underlying cushion has a spring-like connection with the base wall. The underlying cushion and/or base wall define a spring constant that varies along a length of the seal. | 04-04-2013 |
20130081629 | CUSHION FOR PATIENT INTERFACE - A cushion for a patient interface that delivers breathable gas to a patient includes a base wall structured to be connected to a frame, an underlying support cushion extending away from the base wall towards the patient's face in use, and a membrane provided to substantially cover at least a portion of the underlying cushion. The membrane is adapted to form a continuous seal on the patient's face. The underlying cushion has a spring-like connection with the base wall. The underlying cushion and/or base wall define a spring constant that varies along a length of the seal. | 04-04-2013 |
20130081628 | CUSHION FOR PATIENT INTERFACE - A cushion for a patient interface that delivers breathable gas to a patient includes a base wall structured to be connected to a frame, an underlying support cushion extending away from the base wall towards the patient's face in use, and a membrane provided to substantially cover at least a portion of the underlying cushion. The membrane is adapted to form a continuous seal on the patient's face. The underlying cushion has a spring-like connection with the base wall. The underlying cushion and/or base wall define a spring constant that varies along a length of the seal. | 04-04-2013 |
20130074843 | Quiet Blower Apparatus and System and Method for Reducing Blower Noise - A blower assembly including a motor, an impeller and a volute that is configured such that an inlet chamber of the volute and an outlet chamber of the volute are divided from one another by an airtight membrane and the membrane is configured to allow the transmission of pressure waves between the inlet and outlet chambers. | 03-28-2013 |
20130068251 | FASTENABLE CONDUIT FOR BREATHABLE GAS DELIVERY - A fastenable air delivery conduit includes a body portion having a supply end and a delivery end and a fastener that substantially extends from the supply end to the delivery end. The fastener, when engaged, forms the body portion into a fastened configuration, and when disengaged, forms the body portion into an unfastened configuration. The body portion defines a longitudinal axis when in the fastened configuration, and the fastener extends from the source end to the delivery end of the body portion at an angle that is non-parallel with the longitudinal axis of the conduit. | 03-21-2013 |
20130042867 | CPAP SYSTEMS - A CPAP system includes a flow generator, a patient interface, an air delivery conduit that interconnects the flow generator and the patient interface, and a packaging arrangement including at least one storage facilitating member to allow storage of the air delivery conduit. The at least one storage facilitating member may be provided to the flow generator, a cradle, and/or the air delivery conduit. | 02-21-2013 |
20130037033 | RESPIRATORY MASKS WITH GUSSETED CUSHIONS - A cushion for a full facial respiratory mask assembly includes a frame-connecting portion, a face-contacting portion, and a gusset portion disposed between and joining the frame-connecting and face-contacting portions. The gusset portion is structured to allow relative movement of a mask frame to occur towards and away from a patient's face, and the gusset portion includes a nasal bridge perimetrical region, a mouth perimetrical region and a transition perimetrical region. The nasal bridge perimetrical region comprises a w-shaped or concertina-type fold having little or no projected area relative to the face-contacting portion of the cushion. The mouth perimetrical region extends laterally outwardly to form an increased projected area relative to the face-contacting portion of the cushion. The transition perimetrical region extends laterally outwardly an amount intermediate of the nasal bridge perimetrical region and the mouth perimetrical region. | 02-14-2013 |
20130037028 | SESSION-BY-SESSION ADJUSTMENT OF A DEVICE FOR TREATING SLEEP DISORDERED BREATHING - A method is disclosed for operating a device that treats sleep disordered breathing (SOB) during successive treatment sessions, where the device provides continuous positive airway pressure during sleep. The method comprises the steps of applying a constant treatment pressure during a first session and deriving a sleep disorder index (SOl) representative of the number of SOB episodes that occurred during the first session. If the treatment pressure should be increased based upon the derived SOl, it is increased during a second, subsequent session. | 02-14-2013 |
20130032154 | PATIENT INTERFACE SYSTEMS - A patient interface system for delivering a flow of breathable gas to a patient includes a patient interface structure configured to sealingly engage the patient's nares; a pair of strips configured to be connected to opposite sides of the patient interface structure; and adhesive configured to secure the patient interface structure in sealing engagement with the patient's nares. The adhesive may be provided on the strips, and the strips are configured to be adhered to sides of the patient's nose by the adhesive. | 02-07-2013 |
20130019868 | DETERMINATION OF LEAK DURING CPAP TREATMENT - A respiratory treatment apparatus and method in which a leak is determined by using an averaging window. The window starts at the present time and extends back in time to a point determined according to a current one of progressively detected phase measures of a first respiratory cycle and a corresponding phase measure attributable to a preceding second respiratory cycle. In another aspect, a jamming index indicates whether the leak is rapidly changing. To the extent that jamming is high, the leak estimate used progressively changes from that using sliding breath-window averaging to a more robust and faster responding low-pass filter method, and adjustment of ventilatory support based on measures employing estimated respiratory flow is slowed down or stopped. | 01-24-2013 |
20130008447 | NASAL ASSEMBLY - A nasal assembly for delivering breathable gas to a patient includes a frame having an integrally formed first connector portion. A nozzle assembly includes a gusset or base portion and a pair of nozzles. At least one inlet conduit is structured to deliver breathable gas into the frame and nozzle assembly for breathing by the patient. A pair of second connector portions are removably and rotatably connected to respective first connector portions of the frame and are in communication with respective inlet conduits, e.g., directly or via angle connectors. A headgear assembly is removably connected to the pair of second connector portions and/or the angle connectors so as to maintain the frame and the nozzle assembly in a desired adjusted position on the patient's face. | 01-10-2013 |
20130008446 | HEADGEAR FOR MASK ASSEMBLY - A mask system for use between a patient and a structure to deliver a breathable gas to the patient includes a mask assembly including a frame, a cushion provided to the frame, and optionally an elbow provided to the frame. Headgear is removably attached to the mask assembly to maintain the mask assembly in a desired position on a patient's face. The headgear includes a top strap, crown straps which cooperate to form a round shape adapted to accommodate a crown of the patient's head, and bottom straps. | 01-10-2013 |
20130008440 | HUMIDIFICATION OF RESPIRATORY GASES - A tub is configured to contain a supply of water and be inserted into a chamber of a humidifier. The tub includes a tub base configured to contain a supply of water and a tub lid connected to the tub base. The tub lid includes an inlet configured to receive a flow of breathable gas to be humidified and an outlet for the humidified flow of breathable gas. The tub further includes a water level indicator configured to indicate a level of the supply of water in the tub base. The water level indicator includes an inclined portion configured to direct the flow of breathable gas from the inlet away from the outlet. The water level indicator may be visible through the inlet. | 01-10-2013 |
20130008439 | ELBOW ASSEMBLY - An elbow assembly for a mask system includes an elbow including a slot and a port, an anti-asphyxia valve adapted to be received within the slot and including a flap portion adapted to selectively close the port depending on the presence of pressurized gas, and a clip member to secure the anti-asphyxia valve to the elbow. The clip member includes a slot that is adapted to interlock with a protrusion provided to the anti-asphyxia valve. | 01-10-2013 |
20130000647 | RESPIRATORY RESISTANCE SYSTEMS AND METHODS - A patient interface includes a mask configured to communicate with at least one airway of a patient, the mask including at least one aperture ( | 01-03-2013 |
20120312304 | REINFORCING MEMBER FOR A PATIENT INTERFACE - A patient interface includes a frame, a cushion, and a reinforcing member. The cushion has a non-face-contacting portion connected to the frame and a face-contacting portion adapted to engage the patient's face in use. The face-contacting portion includes a side wall and a flexible membrane extending from the side wall. The reinforcing member is provided to at least a portion of an interior and/or exterior surface of the side wall of the cushion. The reinforcing member provides reinforcement to the side wall of the cushion to at least limit lateral expansion of the cushion in use. The reinforcing member may have a stiffness that is selectively varied along its length. | 12-13-2012 |
20120304999 | MASK ASSEMBLY SUPPORTING ARRANGEMENTS - A mask assembly includes nasal interface, e.g., in the form of a pair of nozzles, at least one joining portion provided to each side of the nasal interface, and a headgear coupled or otherwise provided to or extending from the joining portion, that is looped around the patient's ears. The joining portion is small and compact and may be readily affixed to an existing nasal arrangement, i.e., retrofitted. The joining portion and the headgear can be formed in separate components, or they can be formed as an integral or one-piece arrangement. | 12-06-2012 |
20120304998 | RESPIRATORY APPARATUS WITH IMPROVED FLOW-FLATTENING DETECTION - 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 obstruction index is used to differentiate normal and obstructed breathing. The obstruction index is based upon different weighting factors applied to sections of the airflow signal thereby improving sensitivity to various types of respiration obstructions. | 12-06-2012 |
20120304994 | RECOGNITION SYSTEM FOR AN APPARATUS THAT DELIVERS BREATHABLE GAS TO A PATIENT - An adapter for use with a flow generator includes a conduit attachable to the outlet of the flow generator and an identifying element supported by the conduit and providing an identifying feature unique to a specific peripheral component attachable to the flow generator. The identifying feature is communicatable to the flow generator so that appropriate operating parameters of the flow generator may be automatically selected by the flow generator to coordinate with the specific peripheral component. | 12-06-2012 |
20120304989 | METHOD AND APPARATUS FOR BACKSPILL PREVENTION - A backspill prevention apparatus prevents water from a humidifier portion of a positive airway pressure (PAP) device from reaching a blower motor of a PAP device. The backspill prevention apparatus can include a variety of different devices, and is placed somewhere along an air passageway between a blower motor and a humidifier portion of a PAP device. | 12-06-2012 |
20120301304 | SINGLE OR MULTIPLE STAGE BLOWER AND NESTED VOLUTE(S) AND/OR IMPELLER(S) THEREFOR - An impeller comprising: a top shroud; a bottom shroud, a plurality of vanes extending from the top shroud to the bottom shroud, each said vane including a top edge at a radially inner portion of the vane in contact with the top shroud and a bottom edge at a radially outer portion of the vane in contact with the bottom shroud, such that a radially inner portion of the vane at the bottom edge of each vane is not in contact with or adjacent the bottom shroud and a radially outer portion of the vane at the top edge of each vane is not in contact with or adjacent the top shroud. | 11-29-2012 |
20120291785 | METHODS AND APPARATUS FOR ADAPTABLE PRESSURE TREATMENT OF SLEEP DISORDERED BREATHING - Respiratory pressure treatment apparatus include automated methodologies for controlling changes to pressure in the presence of sleep disordered breathing events. In an example apparatus, various levels of expiratory pressure relief can provide different pressure reductions for patient comfort during expiration ( | 11-22-2012 |
20120266887 | DOUBLE-ENDED BLOWER AND VOLUTES THEREFOR - A variable speed blower for Continuous Positive Airway Pressure (CPAP) ventilation of patients includes two impellers in the gas flow path that cooperatively pressurize gas to desired pressure and flow characteristics. Thus, the blower can provide faster pressure response and desired flow characteristics over a narrower range of motor speeds, resulting in greater reliability and less acoustic noise. | 10-25-2012 |
20120266886 | CUSHION FOR PATIENT INTERFACE - A cushion for a patient interface that delivers breathable gas to a patient includes a base wall structured to be connected to a frame, an underlying support cushion extending away from the base wall towards the patient's face in use, and a membrane provided to substantially cover at least a portion of the underlying cushion. The membrane is adapted to form a continuous seal on the patient's face. The underlying cushion has a spring-like connection with the base wall. The underlying cushion and/or base wall define a spring constant that varies along a length of the seal. | 10-25-2012 |
20120247476 | MASK WITH INTEGRAL CUSHION AND FOREHEAD PIECE - A respiratory mask has an adjustable forehead support member that is simple and inexpensive to manufacture. The forehead support member may be adjusted by rotating a forehead pad about an off-center bore or by bending an angular adjustment beam. The mask has a mask cushion with an accordionate membrane having at least two hinged portions. The mask may be constructed with a mask frame, the mask cushion, and the forehead support member molded as one piece. | 10-04-2012 |
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 |
20120227740 | ADMINISTRATION OF CPAP TREATMENT PRESSURE IN PRESENCE OF APNEA - CPAP treatment apparatus is disclosed having a controllable flow generator ( | 09-13-2012 |
20120227738 | CPAP SYSTEMS - A CPAP system includes a flow generator ( | 09-13-2012 |
20120222681 | FOREHEAD SUPPORT FOR FACIAL MASK - A respiratory mask assembly includes a respiratory mask including a mask shell and a mask cushion, a forehead support adjustably coupled to the mask, and an angular adjustment member. The forehead support includes a joining member provided to the mask shell and a cushion frame pivotally mounted to the joining member. The cushion frame is adapted to be selectively locked against pivotal movement in at least three predetermined angular positions relative to the joining member by a tongue and slot arrangement. The angular adjustment member allows relative angular adjustment between the cushion frame and the joining member. The angular adjustment member includes a pair of flexible arms that are adapted to be flexed towards one another to disengage the tongue from a respective one of the slots, and releasing the flexible arms allows the flexible arms to resiliently flex away from one another to engage the tongue and the respective slot. | 09-06-2012 |
20120216819 | MASK ASSEMBLY - A respiratory mask for treatment of obstructive sleep apnea using gas pressurized in the range of about 4 to 20 cm H | 08-30-2012 |
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 |
20120204879 | CUSHION-TO-FRAME COMPONENT FOR AN INTERFACING STRUCTURE - An interfacing structure for a mask system includes a cushion component adapted to contact the patient's face in use and a cushion-to-frame component provided to the cushion component. The cushion-to-frame component is structured to secure the cushion component to a mask frame of the mask system. The cushion-to-frame component includes a cushion side adapted to interface with the cushion component and a frame side adapted to interface with the mask frame. The cushion side includes a platform to engage and support the cushion component. The platform provides an engagement surface to engage the cushion component and inner and outer flanges provided to opposing ends of the platform to guide, support and/or retain the cushion component on the platform. | 08-16-2012 |
20120204869 | MASK AND HEADGEAR CONNECTOR - A connector arrangement joining a respiratory mask and headgear is adapted for single-handed disengagement by the patient. A first, rigid connector part is formed into the rigid mask frame, with a mating second connector attached to a strap of the headgear. The connectors are held away from the patient's face by the connection to the mask frame. | 08-16-2012 |
20120199126 | Modification of Sympathetic Activation and/or Respiratory Function - Devices, systems and methods are disclosed for modifying sympathetic activation of a patient through alteration of respiratory function. In one form, a sub-apneic ventilation target for a ventilator is determined such that chronic sympathetic activation of the patient is mitigated. | 08-09-2012 |
20120190998 | METHOD AND APPARATUS FOR DETECTING RESPIRATORY EFFORT - Devices and systems provide methods for detecting respiratory related effort from movements associated with the head or face. In one embodiment, a strain signal is measured by one or more sensors. A processor may analyze the head strain signal to detect respiratory related effort. Detection of effort may serve as a basis for identifying sleep disordered breathing events. For example, the analysis may serve as part of a detector to identify central or obstructive apneas or central or obstructive hypopneas. Sensors may be integrated with headgear to support them at desired locations of the face or head. Strain from head movement may be detected by measuring, for example, tension of the headgear or force applied against the headgear. The headgear may serve as an independent support for the sensors or as a component of a respiratory treatment apparatus, such as a mask or cannula. | 07-26-2012 |
20120180794 | RESPIRATORY MASK ASSEMBLY - A respiratory mask assembly for delivering breathable gas to a patient includes a mask frame having a first cooperating interlocking structure; a mask cushion provided to the frame; a cushion clip to retain the mask cushion on the mask frame, the cushion clip having a second cooperating interlocking structure and being selectively attachable to and detachable from the mask frame, the first and second cooperating interlocking structures interlocking to secure the cushion clip on the mask frame; and an elbow joint provided to the frame and having a swivel tube adapted to connect to a gas delivery conduit. The first and second cooperating interlocking structures include a tab-recess arrangement in which a plurality of tabs are engageable within respective recesses. | 07-19-2012 |
20120179061 | DETECTION OF SLEEP CONDITION - Automated devices provide methodologies for determining sleep conditions, which may be in conjunction with treatment of sleep disordered breathing by a pressure treatment apparatus such as a continuous positive airway pressure device. Based on a measure of respiratory airflow, respiratory characteristics are extracted to detect arousal conditions, sleep stability, sleep states and/or perform sleep quality assessments. The methodologies may be implemented for data analysis by a specific purpose computer, a monitoring device that measures a respiratory airflow and/or a respiratory treatment apparatus that provides a respiratory treatment regime based on the detected conditions. | 07-12-2012 |
20120174928 | MASK ASSEMBLY - A respiratory mask assembly for use in delivery of non-invasive positive airway pressure to a user comprising a rigid mask shell including a plurality of slots; a soft cushion including at least one flexible sealing lip constructed and arranged to extend around an inner periphery of the cushion and to deform to provide a continuous airtight seal between the cushion and the rigid mask shell, the at least one flexible sealing lip being further constructed and arranged to return to a relaxed state when the cushion is disassembled from the rigid mask shell, the soft cushion further including a retaining portion; and a retaining ring configured to engage with the retaining portion of the cushion, and including a plurality of clips each positioned on respective spring arms to engage with each of the respective plurality of slots of the rigid mask shell to retain the cushion in position with the rigid mask shell. | 07-12-2012 |
20120160243 | MACRO-CONTROL OF TREATMENT FOR SLEEP DISORDERED BREATHING - A method and apparatus for treating sleep disordered breathing. An arousal index is determined for use in an outer loop of a control algorithm, the arousal index being a measure of the frequency of sleep arousals. The respiratory airflow signal in an inner loop of the control algorithm is monitored to detect an airway obstruction. If the arousal index is high, then the sensitivity of obstruction detection and/or the aggressiveness of the treatment is increased, and if the arousal index is low, then the sensitivity of the obstruction detection and/or the aggressiveness of the treatment is decreased. | 06-28-2012 |
20120152255 | PAP SYSTEM - Systems, devices and methods of use adapted for treatment of respiratory disease or sleep disordered breathing include a patient interface ( | 06-21-2012 |
20120152254 | OXYGEN DIVERTER VALVE - A vent assembly for use with a respiratory mask of the type used in CPAP treatment includes a porous disk portion that is attached to a biasing member such that the disk portion is maintained in a substantially sealed position against a main vent to minimize airflow through at least one side vent of the vent assembly. Debris build-up on the disk portion can cause the biasing member to deflect to provide an additional path for airflow through the at least one side vent. In another embodiment, the vent assembly can also include an anti-asphyxia feature to provide an airflow path from the environment to the user. An oxygen diverter valve may be disposed between the breathing apparatus flow generator and an oxygen injection port. | 06-21-2012 |
20120145158 | MASK SYSTEM - A headgear assembly for a mask system includes a two-dimensional first headgear section and a two-dimensional second headgear section, wherein the two-dimensional first and second headgear sections are attached to one another to form a three-dimensional anatomically-shaped headgear assembly. | 06-14-2012 |
20120145155 | SOUND DAMPENING IN POSITIVE AIRWAY PRESSURE DEVICES - A CPAP system includes a PAP device ( | 06-14-2012 |
20120145153 | SETUP AUTOMATION FOR RESPIRATORY TREATMENT APPARATUS - A respiratory treatment apparatus implements pressure delivery control settings by improved set-up procedures. In such an embodiment, a processor may automate setting of parameters for delivering a controlled flow of breathable gas. Data sets of pressure delivery parameter settings may be associated with one or more respiratory pathology indicators. The respiratory pathology indicators may each represent a different respiratory condition diagnosis. The processor may then prompt for an input of at least one of the respiratory pathology indicators. In response to the input, a particular set of pressure delivery parameter settings associated with the input respiratory pathology indicator may then serve as a basis for setting controls for delivering a controlled flow of breathable gas for respiratory treatment. | 06-14-2012 |
20120138068 | FAULT DIAGNOSIS IN CPAP AND NIPPV DEVICES - A ventilation device for non-invasive positive pressure ventilation (NIPPV) or continuous positive airway pressure (CPAP) treatment of a patient has a gas flow generator, a gas delivery circuit optionally including a humidifier, a controller and sensors monitoring values of operational parameters of the device. The device further includes one or more relationships stored in data storage of the controller relating combinations of parameter values as being indicative of fault conditions of the device operation, the sensors and/or the fault detection process. | 06-07-2012 |
20120138061 | NASAL MASK SYSTEM - A mask system includes a frame ( | 06-07-2012 |
20120138060 | PATIENT INTERFACE SYSTEMS - A patient interface system includes a nasal seal of flexible material to communicate with at least one airway of the patient, and a primary headgear from which the nasal seal is suspended, said primary headgear having at least one aperture though which at least a portion of the nasal seal is inserted with the primary headgear wrapping about at least one portion of the nasal seal in a sling-like fashion. | 06-07-2012 |
20120132209 | PATIENT INTERFACE SYSTEMS - A headgear for use with a patient interface for delivering a flow of breathable gas to a patient includes at least a strap ( | 05-31-2012 |
20120125336 | ADJUSTMENT OF VENTILATOR PRESSURE-TIME PROFILE TO BALANCE COMFORT AND EFFECTIVENESS - The invention is a ventilator whose servo-controller adjusts the degree of support by adjusting the profile of the pressure waveform as well as the pressure modulation amplitude. As the servo-controller increases the degree of support by increasing the pressure modulation amplitude, it also generates a progressively more square, and therefore efficient, pressure waveform; when the servo-controller decreases the degree of support by decreasing the pressure modulation amplitude, it also generates a progressively more smooth and therefore comfortable pressure waveform. | 05-24-2012 |
20120103340 | FOREHEAD SUPPORTS FOR FACIAL MASKS - A forehead support for a mask assembly includes a frame connector provided to a mask frame, a forehead cushion support movably mounted to the frame connector for generally linear movement between retracted and extended positions with respect to the frame connector, and an adjustment knob movably mounted to the frame connector and threadably engaged with the forehead cushion support such that turning movement of the adjustment knob causes the forehead cushion support to be moved between the retracted and extended positions. The adjustment knob includes a resilient prong having a ratchet bump. The ratchet bump is adapted to selectively engage a series of ridges provided to the frame connector to provide indexed incremental adjustment. | 05-03-2012 |
20120090618 | FULL-FACE MASK AND MASK CUSHION THEREFOR - A full-face cushion comprises a frame and a membrane. The membrane has an aperture into which the wearer's nose is received. The membrane is spaced away from the frame. Respective notches receive the bridge of the wearer's nose. The wearer's nose and lips are received through the aperture into the chamber within the mask body. The seal forming portion thus contacts both the surface of the wearer's nose and a portion of the wearer's face in the region between the bottom lip and the chin, and around the sides and over the bridge of the nose. | 04-19-2012 |
20120090612 | Cushion and mask therefor - A cushion includes a substantially triangularly shaped frame from which extends a membrane. The frame has a scalloped edge by which the cushion is affixed to a mask body. The membrane has an aperture into which the wearer's nose is received. The membrane is spaced away from the rim of the frame. The wearer's nose is received through the aperture into the chamber within the mask body. The shape of the seal forming portion is particularly suited to effectively seal the difficult region of the facial contour that is the crease between the sides of the nose and the face. | 04-19-2012 |
20120080035 | ADJUSTABLE MASK SYSTEM AND RELATED METHODS - An adjustable mask system ( | 04-05-2012 |
20120067349 | UNOBTRUSIVE NASAL MASK - A patient interface for delivering breathable gas to a patient includes a sealing portion ( | 03-22-2012 |
20120037161 | NASAL MASK ASSEMBLY - A mask system is provided to fit pre-adult patients, or patients having facial features that are very small or child-like, e.g., patients having dimensions in the lower 5%-10% of the population. For example, the headgear and/or cushion are dimensioned to accommodate this range of patients. | 02-16-2012 |
20120024291 | MASK BRACE AND MASK ASSEMBLY - A patient mask assembly for positive pressure ventilation includes a brace which clips to the mask and provides attachment locations for headgear straps in alternative positions to those attachment locations which may be provided by the mask. The brace may also provide a mask stabilizing portion. | 02-02-2012 |
20120024290 | Headgear assembly for a respiratory mask assembly - A respiratory mask assembly for delivering breathable gas to a patient includes a frame and a headgear assembly removably attachable to the frame. The headgear assembly includes a pair of side portions and a rear portion that interconnects the pair of side portions. The pair of side portions includes at least one strap. The rear portion has at least one strap constructed of at least two layers of material. One of the layers of material has a more rigid construction than the other of the layers of material to resist compression of the at least one strap of the rear portion in a first direction which resists movement of the at least one strap of the pair of side straps in the first direction. | 02-02-2012 |
20120017912 | Ergonomic and adjustable respiratory mask assembly with headgear assembly - A respiratory mask assembly for delivering breathable gas to a patient includes a frame having a main body and a side frame member provided on each lateral side of the main body. Each side frame member includes an integrally formed first connector portion. A headgear assembly is removably attachable to the frame. The headgear assembly has a second connector portion adapted to be removably coupled with the first connector portion provided on the frame. The second connector portion is manually movable to a releasing position to detach the headgear assembly from the frame. The headgear assembly is rotationally adjustable with respect to the frame. | 01-26-2012 |