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Resmed Limited patents


Recent patent applications related to Resmed Limited. Resmed Limited is listed as an Agent/Assignee. Note: Resmed Limited may have other listings under different names/spellings. We're not affiliated with Resmed Limited, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "R" | Resmed Limited-related inventors


Mask with removable headgear connector

A mask for delivering breathable gas to a patient at positive pressure to treat sleep disordered breathing, may comprise: a rigid mask frame having a bore and an interfacing structure, the interfacing structure being located on the rigid mask frame and along a peripheral edge of the bore, said mask frame having no built-in or integral headgear attachment points; a sealing cushion provided to the rigid mask frame and adapted to form a seal with the patient's face, the rigid mask frame and the sealing cushion together forming, at least partly, a breathing cavity; and a headgear connector adapted to engage the interfacing structure with a snap-fit, said headgear connector including a pair of lower headgear clip anchors adapted to be engaged with respective ones of a pair of lower headgear clips to attach a pair of lower side straps, said headgear connector including a fixed forehead support.. . ... Resmed Limited

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.. ... Resmed Limited

Mask pressure regulation in cpap treatment and assisted respiration by dynamic control of mask vent flow

An air delivery system includes an air flow generator to provide a pressurized flow of air, a patient interface to provide a seal with the patient's face in use, an air delivery conduit to interconnect the air flow generator and the patient interface, and a controllable vent valve to control venting from the patient interface. The vent valve is controlled to maintain a substantially constant air flow in the air delivery conduit and the air flow generator.. ... Resmed Limited

Cuff for air delivery conduit

A cuff for an air delivery conduit includes a first end portion provided to a tube and a second end portion adapted to engage a tubular connector. The second end portion includes an annular bead for sealing and retention.. ... Resmed Limited

Mask and headgear connection

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. ... Resmed Limited

Positioning and stabilising structure and patient interface

A patient interface for delivery of a supply of pressurised air or breathable gas to an entrance of a patient's airways comprising: a cushion member that includes a retaining structure and a seal-forming structure permanently connected to the retaining structure; a frame member attachable to the retaining structure; and a positioning and stabilising structure attachable to the frame member.. . ... Resmed Limited

Pad for a mask

A cushion pad for a mask worn by a patient, comprising 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 having a central portion shaped to cover a portion of the patient's nose extending from above the nose tip to the nasal bridge region without obstructing the patient's line of sight, and lateral side portions to extend downward and terminate along the sides of the nose or on the patient's cheeks. ... Resmed Limited

Breathable gas supply apparatus

A cpap device for delivering pressurized, humidified breathable gas for a patient includes a flow generator configured to pressurize a flow of breathable gas. The flow generator includes an air outlet and a removable water container configured to humidify the pressurized breathable gas received from the flow generator. ... Resmed Limited

Mask system

A mask system for treating sleep disordered breathing. The mask system includes headgear and a combination shell and cushion. ... Resmed Limited

Cushion for mask system

A mouth cushion (20) for a mask system includes a side wall (50), an undercushion (52) extending away from the side wall (50), and a membrane (54) provided to substantially surround the undercushion (52) and adapted to form a continuous seal around an exterior of a patient's mouth in use. The side wall (50) includes spaced-apart prong support structures (60) that provide annular recesses (62) adapted to support respective nasal prongs (30). ... Resmed Limited

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.. ... Resmed Limited

Headgear for masks

A headgear for use with a mask includes a first strap being configured to engage a back of a patient's head and extend on either side of the patient's parietal bone behind the patient's ears and assume, in use, a substantially circular or oval shape. At least a portion of the first strap is substantially inextensible. ... Resmed Limited

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. ... Resmed Limited

Humidifier with a water tub within a pressurized chamber

A tub is configured to contain a supply of water and is configured to be inserted into a chamber of a humidifier. The tub includes a tub base configured to contain the supply of water. ... Resmed Limited

05/03/18 / #20180117272

Mask sizing tool using a mobile application

Apparatus and methods automate selection of patient interface(s) according to their size, such as with processing in a processor(s) or in a server(s). Image data captured by an image sensor may be received. ... Resmed Limited

05/03/18 / #20180117270

Methods and apparatus for ventilatory treatment of respiratory disorders

Methods and apparatus treat a respiratory disorder. For example, a pressure generator supplies a flow of air at positive pressure to a patient's airway through a patient interface. ... Resmed Limited

05/03/18 / #20180116588

Systems and methods for screening, diagnosis and monitoring sleep-disordered breathing

A method and system are disclosed for use in monitoring/screening/diagnosing sleep or wake state of a subject or patient. The method generally includes monitoring the patient's activity during one or more sleep sessions comprising a plurality of intervals known as epochs. ... Resmed Limited

04/19/18 / #20180104431

Mask vent

A vent arrangement is provided to a mask or associated conduit 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. ... Resmed Limited

04/19/18 / #20180104430

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. ... Resmed Limited

04/05/18 / #20180093062

Retractable tube for cpap

A retractable tube for use in a respiratory apparatus for delivering a pressurized flow of breathable gas to a patient has an internal diameter of about 30 mm or less, a weight of about 500 g/m or less, and an unextended length of about 2 m or less. The retractable tube includes a portion that is extensible in a range of about 40%-400% of its unextended length in response to force applied to the tube, and the extensible portion is configured to return the tube to its unextended length in the absence of force, or reduced force, applied to the tube.. ... Resmed Limited

04/05/18 / #20180093055

Cpap systems

A cpap system includes a flow generator (10), a patient interface (50), an air delivery conduit (20) that interconnects the flow generator and the patient interface, wherein the air delivery conduit has an internal diameter of less than 19 mm. Preferably the air delivery conduit has an internal diameter of between about 10 mm and about 18 mm. ... Resmed Limited

03/29/18 / #20180085052

Distinguishing closed and open respiratory airway apneas by complex admittance values

Methods and apparatus are disclosed for determining the occurrence of a closed or open apnea. Respiratory air flow from a patient is measured to give an air flow signal. ... Resmed Limited

03/22/18 / #20180078730

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.. . ... Resmed Limited

03/15/18 / #20180071480

Humidifier and layered heating element

A heating apparatus includes a heating element which converts electrical power to heat energy, a heatable element having a first surface and a second surface, and a dielectric laminate layer between the heating element and the first surface of the heatable element, wherein the dielectric laminate layer is thermally conductive to transfer heat energy from the heating element to the heatable element, and wherein the second surface of the heatable element is configured heat a liquid in a container.. . ... Resmed Limited

03/15/18 / #20180071475

Mask system and method for constructing the same

A mask system including a frame module and a cushion module provided to the frame module and adapted to form a seal with the patient's face. The cushion module includes a main body defining a breathing chamber and adapted to interface with the frame module and a cushion adapted to form a seal with the patient's face. ... Resmed Limited

03/15/18 / #20180071471

Apparatus and method for adaptive ramped control of positive airway pressure (pap)

Methods and/or apparatus automate setting of a pressure ramp to permit pressure to gradually arrive at a treatment pressure such as in the initial or pre-sleep stages of use of a respiratory therapy pressure device for treatment of a respiratory disorder during sleep (e.g., sleep disordered breathing). In an example, apparatus for treating a respiratory disorder may include a breathable gas pressure generating device. ... Resmed Limited

03/15/18 / #20180071468

Respiratory augmentation device

A respiratory augmentation device to assist or augment a user's respiration may include a pressure generator configured to generate a supply of air at positive pressure, a transducer configured to output at least one signal indicative of at least one respiratory characteristic of the user, and a controller coupled with the pressure generator and transducer. The controller may determine a cyclic pressure profile for the pressurised air and control the pressure generator to achieve the pressure profile. ... Resmed Limited

03/08/18 / #20180064897

Delivery of respiratory therapy

A patient interface includes a sealing arrangement adapted to provide an effective seal with the patient's nose, an inlet conduit arrangement adapted to deliver breathable gas to the sealing arrangement, and a cover that substantially encloses the sealing arrangement and/or the inlet conduit arrangement.. . ... Resmed Limited

03/01/18 / #20180056024

Humidifier for a respiratory therapy device

A medical humidifier for humidification of air to be delivered to a patient's airways may include a humidification chamber, a reservoir and a water delivery mechanism. The humidification chamber may include a water retention feature such as a wick, a heating element for heating the humidification chamber, and an air flow baffle configured to promote humidification. ... Resmed Limited

02/22/18 / #20180050166

Methods and apparatus for detecting and treating respiratory insufficiency

Devices and systems provide methods of detecting a severity change in respiratory insufficiency (ri) or chronic obstructive pulmonary disease (copd) condition of a patient. In an example embodiment, a detection monitoring device determines one or more severity change indicators based on a measure of supplied pressure or other representative measure determined by the device. ... Resmed Limited

02/15/18 / #20180043125

Fluid connector with face seal

One form of the present technology includes a fluid connector for delivery of breathing gas to a patient from a respiratory pressure therapy device, the fluid connector including a first end with a first opening to deliver a fluid flow, a seal portion extending around a periphery of the first opening, and a latching portion, a second end with a second opening to receive the fluid flow, a sealing surface extending around a periphery of the second opening and configured to engage the seal portion to form a face seal, and a complementary latching portion configured to engage with the latching portion. . ... Resmed Limited

02/01/18 / #20180028773

Humidifier for respiratory apparatus

A respiratory apparatus for delivering breathable gas to a patient includes a flow generator that generates a supply of pressurised gas to be delivered to the patient; a humidifier for vaporising water and delivering water vapor to humidify the gas; a gas flow path leading from the flow generator to the humidifier and from the humidifier to a patient interface; and a heater in thermal contact with the gas and/or the water, wherein the heater comprises an elongate heating filament in the form of a tape. A humidifier for respiratory apparatus includes a first respiratory gas passage for receiving gas from a flow generator, a humidifier chamber, a second respiratory gas passage for delivering humidified gas to a patient interface, and a heater in thermal contact with the gas and/or the water, wherein the heater comprises an elongate heating filament extending along at least part of both said first and second respiratory gas passages. ... Resmed Limited

01/25/18 / #20180021537

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. ... Resmed Limited

01/25/18 / #20180021536

Mask system with snap-fit shroud

A shroud (1020) for a mask system includes a retaining portion structured to retain a frame (1040), a pair of upper headgear connectors (1024) each including an elongated arm (1026) and a slot (1027) at the free end of the arm adapted to receive a headgear strap, and a pair of lower headgear connectors (1025) each adapted to attach to a headgear strap. The retaining portion, the upper headgear connectors, and the lower headgear connectors are integrally formed as a one piece structure.. ... Resmed Limited

01/11/18 / #20180008795

Humidification of respiratory gases

A humidifier for a respiratory apparatus for delivering a humidified flow of breathable gas to a patient includes a humidifier chamber configured to store a supply of water to humidify the flow of breathable gas. The humidifier chamber includes a first heating element configured to heat the supply of water. ... Resmed Limited

01/04/18 / #20180001046

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. ... Resmed Limited

01/04/18 / #20180000427

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. ... Resmed Limited

12/28/17 / #20170368290

Mask assembly and headgear

A mask assembly suitable for the treatment of sleep disordered breathing, comprising: a mask to provide pressurized air to a patient; upper and lower slot features located on each side of the mask; a headgear assembly, comprising: a back portion; a pair of upper straps provided to the back portion, each upper strap having a loop portion and a hook portion at a free end thereof for releasably attaching to the loop portion; a pair of lower straps extending away from the back portion, each lower strap having a loop portion and a hook portion at a free end thereof for releasably attaching to the loop portion; and a connection region of each loop portion of each strap, the connection region being adapted to receive a respective hook portion, the connection region being wider than each respective hook portion along each respective hook portion's entire length.. . ... Resmed Limited

12/28/17 / #20170367619

Diagnosis, monitoring, and treatment of respiratory disorders

Automation for a system and/or method detects and/or controls treatment of inspiratory flow limitation. The system may include a flow rate sensor configured to generate a signal representing a respiratory flow rate of a patient. ... Resmed Limited

12/21/17 / #20170361133

Wearable device for delivering air

A personal entertainment respiratory apparatus provides air to a user to provide a fully immersive entertainment experience. The personal entertainment system may comprise a flow generator for providing the flow of air. ... Resmed Limited

12/21/17 / #20170361048

Foam cushion 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. ... Resmed Limited

12/21/17 / #20170361047

Filled hollow structure and tool for manufacturing same

A filled hollow structure includes an open hollow structure from a first material. The open hollow structure is at least partially closed by a closing structure. ... Resmed Limited

12/21/17 / #20170361046

Patient interface and non-invasive positive pressure ventilating method

A patient interface for use in delivering a flow of breathable gas to an airway of a patient includes a first seal adapted to contact the patient's face and seal a first space between the patient interface and the patient's face at a first positive pressure; and a second seal adapted to contact the patient's face and seal a second space between the patient interface and the patient's face at a second positive pressure. The first seal also seals the first space from the second space. ... Resmed Limited

12/21/17 / #20170361045

Auto-fit mask

Devices and systems with methods for detecting a sealing condition between a patient interface and a patient, and adjusting the patient interface to maintain the patient interface in sealing contact with the patient. The patient interface may include a sealing structure to form a seal on the patient, and a positioning structure to secure the sealing structure to the patient. ... Resmed Limited

12/21/17 / #20170361044

Methods and apparatus for treatment of respiratory disorders

Methods and apparatus for treating a respiratory disorder, in one aspect, include an apparatus that delivers backup breaths at a sustained timed backup rate that is a function of the patient's spontaneous respiratory rate. Other aspects include apparatus that delivers backup breaths at a rate that gradually increases from a spontaneous backup rate to a sustained timed backup rate or, alternatively, apparatus that oscillates a treatment pressure in antiphase with the patient's spontaneous respiratory efforts when a measure indicative of ventilation is greater than a threshold. ... Resmed Limited

11/30/17 / #20170340850

Mask system with snap-fit shroud

A shroud (1020) for a mask system includes a retaining portion structured to retain a frame (1040), a pair of upper headgear connectors (1024) each including an elongated arm (1026) and a slot (1027) at the free end of the arm adapted to receive a headgear strap, and a pair of lower headgear connectors (1025) each adapted to attach to a headgear strap. The retaining portion, the upper headgear connectors, and the lower headgear connectors are integrally formed as a one piece structure.. ... Resmed Limited

11/23/17 / #20170333662

Air delivery conduit

An air delivery conduit includes first and second conduit portions that cooperate to form the conduit, each conduit portion including an inner layer of a film laminate that forms an interior surface of the conduit and an outer layer of a textile that forms an exterior surface of the conduit.. . ... Resmed Limited

11/23/17 / #20170333652

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.. ... Resmed Limited

11/16/17 / #20170326329

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. ... Resmed Limited

11/16/17 / #20170326320

Textile patient interface

A patient interface for sealed delivery of a flow of air at a continuously positive pressure with respect to ambient air pressure to an entrance to the patient's airways including at least entrance of a patient's nares to ameliorate sleep disordered breathing may include a seal-forming structure comprising a foam undercushion and a textile membrane for contact with the patient's face; a positioning and stabilising structure to maintain the seal-forming structure in sealing contact with an area surrounding an entrance to the patient's airways while maintaining a therapeutic pressure at the entrance to the patient's airways; and a plenum chamber pressurised at a pressure above ambient pressure in use.. . ... Resmed Limited

11/16/17 / #20170326315

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. ... Resmed Limited

11/16/17 / #20170326314

Methods, systems and apparatus for paced breathing

Methods, systems and/or apparatus for slowing a patient's breathing by using positive pressure therapy. In certain embodiments, a current interim breathing rate target is set, and periodically the magnitude of a variable pressure waveform that is scaled to the current interim breathing rate target is increased if the patient's breathing rate is greater than the interim breathing rate target in order to lengthen the patient's breath duration. ... Resmed Limited

10/26/17 / #20170304660

Headgear tensioning for respiratory mask

A patient interface assembly is configured to deliver pressurized gas to the patient's airways. The patient interface assembly includes a patient interface structure that is configured to sealingly engage the patient's face. ... Resmed Limited

10/12/17 / #20170291004

Mask system

A mask system for delivering air pressurized above atmospheric pressure to the airways of a patient to treat sleep disordered breathing (sdb) by continuous positive airway pressure (cpap) may include a mask having a cushion configured to form a seal with the patient's nose; two inlet conduits, each of the two inlet conduits configured to extend from a position superior to the patient's head and along a corresponding side of the patient's head, and each of the two inlet conduits being in fluid communication with a corresponding side of the mask to deliver pressurized air to the mask; a first vent arrangement configured to be positioned superior to the patient's head in use and configured to discharge gas to atmosphere during therapy; and a second vent arrangement configured to be positioned inferior to the first vent arrangement in use and configured to discharge gas to atmosphere during therapy.. . ... Resmed Limited

10/05/17 / #20170281898

Gas without vent for patient interface

A gas washout vent, and a patient interface with the gas washout vent, configured to allow patient-exhaled co2 to flow to an exterior of the plenum chamber to minimise rebreathing of exhaled co2 by the patient, the gas washout vent including at least one outlet orifice; a diffusing member at least partly covering the outlet orifice; and a blocking member having an air-impermeable material, the blocking member preventing gas exiting from the outlet orifice from flowing straight through the diffusing member.. . ... Resmed Limited

10/05/17 / #20170281893

Method and apparatus for managing moisture buildup in pressurised breathing systems

A vent in a patient interface has an air-permeable porous portion having an entry surface and an exit surface. The entry surface is formed of or coated with a hydrophobic material or hydrophilic material. ... Resmed Limited

09/28/17 / #20170274168

Auto-adjusting mask stabilizer

A forehead support for a facial mask is adapted to be moveable between a first position with respect to a frame of the mask and a second position with respect to the frame. The forehead support includes a biasing mechanism that urges the forehead support in the second position. ... Resmed Limited

09/28/17 / #20170274165

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 (333-a, 333-b, 333-c). ... Resmed Limited

09/21/17 / #20170266404

Positive-air-pressure machine conduit

A conduit for delivering a supply of gas under a positive pressure includes a conduit wall having a first conduit end and a second conduit end. The first conduit end is adapted to be attached to the supply of gas. ... Resmed Limited

09/14/17 / #20170259022

Headgear comprising spacer fabric

A positioning and stabilising structure for a patient interface for delivery of a supply of pressurized air or breathable gas to a patient's airways may include a first fabric layer; a second fabric layer; a central fabric layer between the first fabric layer and the second fabric layer. The central fabric layer, the first fabric and the second fabric may be warp/weft knitted together.. ... Resmed Limited

09/14/17 / #20170259021

Mouth seal assembly for nasal mask system

A mouth seal assembly for use with a nasal mask system includes a mouth seal adapted to form a seal with the patient's mouth. The mouth seal is substantially independent from a supply of pressurized air from the nasal mask system. ... Resmed Limited

09/14/17 / #20170259019

Respiratory pressure therapy device

Apparatus for generating a supply of air at positive pressure for the amelioration or treatment of a respiratory disorder comprising a housing, a blower structured and configured to produce a flow of air at positive pressure, a flexible connector electrically and physically connected to the blower; and a blower rotation limitation structure configured to reduce rotation of the blower during use. The apparatus may comprise first and second blower suspensions for holding opposite ends of the blower. ... Resmed Limited

09/14/17 / #20170258365

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. ... Resmed Limited

09/07/17 / #20170252529

Air delivery conduit

A mask system and an air delivery conduit for use in the treatment of respiratory disorders. The air delivery conduit may comprise a textile having an airtight arrangement. ... Resmed Limited

09/07/17 / #20170252528

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. ... Resmed Limited

08/31/17 / #20170246415

Mask assembly

A mask assembly for delivering breathable gas to a patient may include a patient interface structured to engage the patient's face and provide a seal, a headgear arrangement to support the patient interface in a desired position on the patient's face, and an audio unit provided to at least one of the patient interface and the headgear arrangement. The audio unit may be operable to selectively generate at least one sound.. ... Resmed Limited

08/31/17 / #20170246408

Acclimatization therapy for first time cpap and niv users

A method of acclimatizing a user to provide continuous positive airway pressure (cpap) therapy, including operating a device for treating sleep disordered breathing (sdb) during successive treatment sessions, wherein the device provides continuous positive airway pressure during sleep, includes determining a clinically-derived full therapeutic pressure, applying a sub-therapeutic treatment pressure for the duration of a first session, obtaining responses to a series of pre-programmed patient and/or bed partner feedback questions before the start of a second session, and, based on the responses, either incrementally increasing the treatment pressure for the second session if the responses indicate that the patient is adjusting to therapy, or maintaining the treatment pressure for the second session if the responses do not indicate that the patient is adjusting to therapy.. . ... Resmed Limited

08/24/17 / #20170239433

Method and apparatus for treating hyperarousal disorders

Methods and apparatus provide automated controls for a respiratory pressure therapy device, such as a servo-ventilator. For example, a controller of a respiratory pressure therapy device may control application of pressure support ventilation therapy to an airway of a patient. ... Resmed Limited

08/24/17 / #20170239432

Remote diagnostics of respiratory therapy devices

A system and method is disclosed for performing diagnostics on patient devices (720). The patient devices (720) may include respiratory therapy devices that operate in accordance with instruction sets, such as software or firmware. ... Resmed Limited

08/24/17 / #20170239430

Electrically stimulated respiratory assistance components

A respiratory assistance component is disclosed that changes shape when an electrical charge is provided. The amount of electrical charge that is applied may be based on values, characteristics, or user controlled parameters of the respiratory assistance system. ... Resmed Limited

08/17/17 / #20170232222

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, a second vent and a selector to switch the flow of exhaled gas from a patient between the first and second vents.. . ... Resmed Limited

08/17/17 / #20170232219

Nasal mask system

A mask system includes a frame (20) adapted to attach headgear, a sealing arrangement (40) releasably connectable to the frame, and an elbow (70) provided to the sealing arrangement and adapted to be connected to an air delivery tube that delivers breathable gas to the patient. The sealing arrangement defines a breathing chamber and is adapted to form a seal with the patient's face. ... Resmed Limited

08/10/17 / #20170224944

Mask 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. ... Resmed Limited

08/10/17 / #20170224943

Patient interface for respiratory therapy

Apparatus to permit a delivery of a flow of breathable gas to a patient's airways. In one version, a coupler extension may include a seat portion to permit use of a mask with a nasal cannula. ... Resmed Limited

08/03/17 / #20170216546

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. ... Resmed Limited

08/03/17 / #20170216542

Methods and apparatus for pressure therapy in the treatment of sleep disordered breathing

A controller or processor for a respiratory pressure treatment device determines an estimate of patient respiratory flow based on a measure of pressure associated with flow generated by a flow generator and a measure of frequency of the flow generator, such as a rotational velocity of a servo-controlled blower motor. The estimate can be made without data from a flow sensor. ... Resmed Limited

07/27/17 / #20170209661

Headgear

A mask assembly suitable for the treatment of sleep disordered breathing, comprising: a mask to provide pressurized air to a patient; upper and lower slot features located on each side of the mask; a headgear assembly, comprising: a back portion; a pair of upper straps provided to the back portion, each upper strap having a loop portion and a hook portion at a free end thereof for releasably attaching to the loop portion; a pair of lower straps extending away from the back portion, each lower strap having a loop portion and a hook portion at a free end thereof for releasably attaching to the loop portion; and a connection region of each loop portion of each strap, the connection region being adapted to receive a respective hook portion, the connection region being wider than each respective hook portion along each respective hook portion's entire length.. . ... Resmed Limited

07/27/17 / #20170209657

Self-optimising respiratory therapy system

Methods or systems (7000) are implemented for treatment with or monitoring use of respiratory pressure therapy device(s). The device may be for a respiratory disorder. ... Resmed Limited

07/20/17 / #20170203068

Mask system

A mask assembly for a patient includes a frame having a lateral flange portion with at least a first hole therethrough. The mask assembly further includes a cushion having a lateral flange portion with at least a second hole therethrough. ... Resmed Limited

07/06/17 / #20170189636

Headgear for a respiratory mask and a method for donning a respiratory mask

Headgear for a respiratory mask includes a strap arrangement including front strap portions adapted to be disposed over a patient's cheeks and having front ends adapted for attachment to an airway interfacing portion, top strap portions connected to respective front strap portions and adapted to be disposed over the top of a patient's head and to connect to each other, and a back strap extending rearwardly from and connecting respective junctions of the front strap portions and top strap portions or regions adjacent these junctions and adapted to locate underneath a patient's occiput. In use with a patient having long hair, the back strap is adapted to extend under the patient's hair and urge upwardly on the patient's hair and against the patient's head beneath the occiput. ... Resmed Limited

06/29/17 / #20170186122

Patient management system

Methods and systems implement patient management. In some cases, a patient management system 200 may include one or more respiratory pressure therapy devices to deliver respiratory pressure therapy to patients, and generate therapy data relating to a therapy session for a patient. ... Resmed Limited

06/29/17 / #20170182270

Acoustic damping for blower in cpap device / pap device with noise reducing enclosure

A cpap device for delivering pressurized, humidified breathable gas for a patient includes a flow generator configured to pressurize a flow of breathable gas. The flow generator includes an air outlet and a removable water container configured to humidify the pressurized breathable gas received from the flow generator. ... Resmed Limited

06/22/17 / #20170173289

Methods and systems for providing interface components for respiratory therapy

Systems and methods permit generation of a digital scan of a user's face such as for obtaining of a patient respiratory mask, or component(s) thereof, based on the digital scan. The method may include: receiving video data comprising a plurality of video frames of the user's face taken from a plurality of angles relative to the user's face, generating a three-dimensional representation of a surface of the user's face based on the plurality of video frames, receiving scale estimation data associated with the received video data, the scale estimation data indicative of a relative size of the user's face, and scaling the digital three-dimensional representation of the user's face based on the scale estimation data. ... Resmed Limited

06/22/17 / #20170173284

Systems and/or methods for guiding transitions between therapy modes in connection with treatment and/or diagnosis of sleep-disordered breathing

In certain example embodiments, a system and/or method of guiding transitions between therapy modes in connection with the treatment and/or diagnosis of a patient for a respiratory disorder is/are provided. Respiratory disorder treatment according to a first therapy mode is provided. ... Resmed Limited

06/15/17 / #20170165444

Pap system

A pap system adapted for treatment of respiratory disease or sleep disordered breathing includes headgear adapted to engage a patient's head, a patient interface adapted to be secured to and sealed against a portion of a patient's face, in use, by the headgear, a flow generator adapted to be connected to the patient interface, and wherein the flow generator is adapted to be secured by a portion of the headgear to the patient's head, and an outlet tube to interconnect the flow generator and the patient interface. The patient interface includes a frame and a sealing arrangement supported by the frame. ... Resmed Limited

06/15/17 / #20170164906

Real-time detection of periodic breathing

A method for a device detects periodic breathing in a patient. The method may include receiving a series of event intervals bounded by apnea or hypopnea events detected in respiration of the patient, and processing, upon closure of an event interval, the event interval to determine a character of the event interval, such as any of: probably a periodic breathing cycle; probably not a periodic breathing cycle; and uninformative. ... Resmed Limited

06/15/17 / #20170164871

Diagnosis and treatment of respiratory disorders

A method of a device detects a respiratory effort-related arousal in a respiratory airflow signal of a patient. The method may include computing a measure of consistency of inspiratory flow limitation over a plurality of recent breaths from the signal. ... Resmed Limited

06/08/17 / #20170161461

Remote data management for medical devices

A system and method for patient data management may include a patient device (720, 730, 740), server (710), and computing device (760). The patient device (720, 730, 740) may collect usage data (728) in accordance with subscriptions (726) that may include a set of instructions. ... Resmed Limited

06/08/17 / #20170157352

Mask system

A shroud (1020) for a mask system includes a retaining portion structured to retain a frame (1040), a pair of upper headgear connectors (1024) each including an elongated arm (1026) and a slot (1027) at the free end of the arm adapted to receive a headgear strap, and a pair of lower headgear connectors (1025) each adapted to attach to a headgear strap. The retaining portion, the upper headgear connectors, and the lower headgear connectors are integrally formed as a one piece structure.. ... Resmed Limited

06/08/17 / #20170157347

Flow generator chassis assembly with suspension seal

A seal for a chassis assembly of a flow generator is configured to provide a flow of breathable gas. The seal includes a blower receptacle sealing portion configured to seal a blower receptacle of the chassis assembly configured to receive a blower configured to generate the flow of breathable gas. ... Resmed Limited

06/01/17 / #20170151407

A seal forming structure for a patient interface and a tool and method of manufacturing the seal forming structure

The technology provides for a cushion assembly or a tool for forming the cushion assembly for a patient interface delivery of a supply of pressurised air or breathable gas to an entrance of a patient's airways. The cushion assembly has an inferior surface and a mask connection portion, and includes a pad arranged on the inferior surface for sealingly contacting a wearer's face in use.. ... Resmed Limited

05/18/17 / #20170136198

Remote respiratory therapy device management

A system and method for updating patient devices is disclosed. The patient devices (720, 730, 740) may include respiratory therapy devices (4000) that operate in accordance with instruction sets (726), such as software or firmware. ... Resmed Limited

05/18/17 / #20170135630

Distinguishing closed and open respiratory airway apneas by complex admittance values

Methods and apparatus are disclosed for determining the occurrence of a closed or open apnea. Respiratory air flow from a patient is measured to give an air flow signal. ... Resmed Limited

05/11/17 / #20170128689

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. ... Resmed Limited

05/11/17 / #20170128688

Cpap mask and system

A ventilator system includes a mask to be placed over a wearer's face. The mask has a shell. ... Resmed Limited

05/11/17 / #20170128687

Mask

A mask for delivery of respiratory therapy to a patient may include one or more of the following improvements: rigidizer provided to headgear strap, locking clip/clip receptacle headgear connection, keyed headgear buckles, lotion dispenser on frame, rotatable prongs to adjust orientation, alignment indicators provided to prong, cushion and/or frame, chin flap with bellows arrangement, vent holes positioned away from gas entry port, and vent holes to direct washout gas at an angle.. . ... Resmed Limited

04/27/17 / #20170113009

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.. . ... Resmed Limited

04/20/17 / #20170106158

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. ... Resmed Limited

04/06/17 / #20170095635

Respiratory system with humidifier and conformable reservoir

A humidifier for humidifying a flow of air to be delivered to a patient includes a base unit having at least one wall defining a receiving space. The base unit also includes a variable volume reservoir configured to hold a body of water and receive the flow of air to humidify the flow of air for delivery to the patient. ... Resmed Limited

03/30/17 / #20170087327

Breathable gas apparatus with humidifier

A breathable gas supply apparatus has a flow generator configured to pressurize a flow of breathable gas and a humidifier base unit configured to be coupled to the flow generator. A water container is configured to be removably coupled to the humidifier base unit and includes an air inlet and an air inlet passage extending into an interior of the water container from the air inlet. ... Resmed Limited

03/30/17 / #20170087322

Patient interface component

The present technology relates to a pad for forming a seal forming structure against a user's skin for use with a patient interface, the pad comprising, a base layer, a fibre layer comprising a plurality of fibers for contacting a patient's skin, and a connection layer for connecting the fibers to the base material, wherein the base layer and/or the fibre layer is/are adapted to act as a reservoir for substances. Furthermore, it relates to a set of pads, a kit and a patient interface.. ... Resmed Limited

03/23/17 / #20170082116

Patient ventilation device including blower with divided air outlet channels

A respiratory apparatus for treating a patient with a respiratory disorder includes a blower configured to generate a supply of pressurized breathable gas. The blower includes a gas inlet and a gas outlet. ... Resmed Limited

03/23/17 / #20170080174

Mask system

A mask system includes a frame defining a breathing chamber, a cushion provided to the frame and adapted to form a seal with the patient's face, and a shroud provided to the frame and adapted to attach headgear. The shroud includes a retaining mechanism structured to connect the shroud to the frame. ... Resmed Limited

03/23/17 / #20170080173

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.. . ... Resmed Limited

03/09/17 / #20170065787

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. ... Resmed Limited

03/09/17 / #20170065783

Method and apparatus for improving flow and pressure estimation in cpap systems

A cpap apparatus in which the swing in pressure at the patient interface is adjusted by regulating the air flow from the flow generator through an air delivery conduit taking into account a pressure drop representative of the inertance of the airflow in the air delivery conduit during the increase of air flow from the flow generator.. . ... Resmed Limited

03/02/17 / #20170056611

Mask with gusset

A mask system for delivering air to a user includes a suspension mechanism to allow relative movement between a face-contacting cushion and a mask shell. The suspension mechanism also provides a predetermined force to the cushion that is a function of mask pressure, displacement of the cushion or both.. ... Resmed Limited

02/23/17 / #20170049988

Flow regulation vent

A flow regulation vent for use in controlling a vent flow of washout gas in a system for supplying breathable gas pressurized to within a therapeutic pressure range above atmospheric pressure to a patient in the treatment of a sleep disordered breathing condition is disclosed. The flow regulation vent may include a housing having at least one vent orifice and at least one fixed bleed orifice; and a flap configured to regulate the vent flow of washout gas through the at least one vent orifice, wherein the at least one fixed bleed orifice is not covered by the flap in any position and the flow regulation vent provides a minimum vent flow independent of the position of the flap.. ... Resmed Limited

02/23/17 / #20170049984

Patient interface

A patient interface comprises a frame, a headgear, a manifold and two nasal prongs. The frame may be recessed from the face of the patient, and preferably from the manifold so that the manifold may deform or move with respect to the face of the patient. ... Resmed Limited

02/16/17 / #20170043113

Mask system

A mask system has a shroud module with headgear connectors adapted to removably attach to respective headgear straps of headgear; and a cushion module, including a frame defining a breathing chamber; and a cushion to form a seal with the patient's face in a nasal bridge region, a cheek region and a lower lip/chin region of the patient's face. The cushion is constructed of a first, relatively soft, elastomeric material and the frame is constructed of a second material that is more rigid than the cushion, and a nasal bridge portion of the cushion includes one or more folds to provide in use a higher level of adaptability or flexibility to the nasal bridge region of the cushion module relative to another region of the cushion module. ... Resmed Limited

02/09/17 / #20170035984

Humidifier tub for cpap device

A humidifier includes a humidifier tub with an air inlet and an air outlet. An uppermost end of the air outlet terminates at an exit port positioned in a plane disposed below the air inlet. ... Resmed Limited

02/09/17 / #20170035978

Device for retaining humidity in a patient interface

A patient interface for sealed delivery of a flow of air to ameliorate sleep disordered breathing may include: a seal-forming structure to form a pneumatic seal with the entrance to the patient's airways; a positioning and stabilising structure to maintain the seal-forming structure in sealing contact with an area surrounding the entrance to the patient's airways; a plenum chamber pressurised at a pressure above ambient pressure in use; a connection port for the delivery of the flow of breathable gas into the patient interface; and a device positioned within a breathing chamber defined, at least in part, by the seal-forming structure and the plenum chamber, wherein the device divides the breathing chamber into a posterior chamber and an anterior chamber, and wherein the device comprises a plurality of apertures such that turbulence of the air in the posterior chamber is less than turbulence in the air in the anterior chamber.. . ... Resmed Limited

02/02/17 / #20170028153

Nasal assembly

A nasal assembly for delivering breathable gas to a patient includes a frame having lateral connector, a cushion with a pair of nozzles, and a clip to secure the cushion to the frame. The frame includes a vent channel and a plurality of vent holes. ... Resmed Limited

02/02/17 / #20170028152

Headgear assembly for patient interface

A headgear assembly for attachment to a patient interface that delivers breathable gas to a patient, includes a pair of side portions and a rear portion that interconnects the pair of side portions, each of the side portions including an upper side strap and a lower side strap, the rear portion including an upper strap, a lower strap, and intermediate connecting straps extending between the upper strap and the lower strap. The headgear assembly is designed and configured so as to be used with a plurality of different mask systems, and to accommodate for variations in the anthropometrics across a wide variety of patients.. ... Resmed Limited

02/02/17 / #20170028147

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 from the beginning of inspiration to the end of inspiration. ... Resmed Limited

01/26/17 / #20170021121

Patient interface

A patient interface for delivering breathable gas to a patient includes a nasal prong assembly including a pair of nasal prongs structured to sealingly communicate with nasal passages of a patient's nose in use and headgear to maintain the nasal prong assembly in a desired position on the patient's face. The headgear includes side straps and rigidizers provided to respective side straps. ... Resmed Limited

01/05/17 / #20170000968

A humidifier for a respiratory therapy device

A humidifier for humidification of air to be delivered to a patient's airways may include a humidification chamber, a reservoir and a water delivery mechanism. The humidification chamber may include a water retention feature such as a wick that encloses part of the flow path, a heating element for heating the humidification chamber, and an air flow baffle configured to promote humidification. ... Resmed Limited








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