Abstract:
The present technology relates to a neck strap, a crown strap assembly and a headgear for a breathing mask. The neck strap comprises first and second lower connection portions adapted to connect to first and second lower mask connection straps, and first and second upper connection portions adapted to connect to a first and second lateral crown straps.
Abstract:
Apparatus for cutting of elastic material (2) that comprises: a base plate (4, 4', 1144, 144'), an opposing center plate portion (14, 14', 1114, 1114') and separation means (10) adapted to, in use, separate at least a portion of the elastic material (2). At least one of the base plate (4, 4', 1144, 1144') and the opposing center plate portion (14, 14', 1114, 1114') is movable relative to the others to change a distance therebetween. This change may compress the elastic material (2) and define a protruding portion (22) of the elastic material (2). At least one of the separation means (10) may be rotatable and the apparatus is arranged to change a distance between the separation means (10) and the opposing center plate portion (14, 14', 1114, 1114') to effect the cutting of the protruding portion (22).
Abstract:
A reservoir configured to retain a volume of liquid for use in an apparatus for humidifying a flow of pressurised air comprises a base portion and a lid portion. The reservoir may be configured to improve its level of thermal contact to the heater plate using the flow of pressurised air. The reservoir may be configured to improve thermal contact between the reservoir and the heater plate by pre-compression upon engagement of the reservoir with the humidifier. The reservoir may comprise a removable intermediate portion, which may include the inlet tube and/or the outlet tube, for improved access for cleaning. The reservoir may also be configured to prevent overfilling. Overfill prevention features in the reservoir may include defined flow egress paths and/or formation of air locks.
Abstract:
A nasal 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; a positioning and stabilising structure releasably attachable to the frame member; and a headgear clip that mechanically and magnetically engages the frame member to the positioning and stabilising structure. The frame further comprising a vent structured to allow washout of exhaled air and a baffle structured to segregate the exhaled air via the vent from the supply of pressurised air or breathable gas.
Abstract:
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.
Abstract:
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.
Abstract:
A interface comprising a hand operated input device with a series of activation points activated by the digits (fingers and/or thumb) of a user; a sensor component measuring a current motion, orientation, and/or position of the input device and a output component interconnected to the activation points and the sensor component for outputting in a series the currently active activation points and the current motion, orientation, and/or position of the input device.
Abstract:
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.
Abstract:
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.
Abstract:
An adjustable mask system (100) includes a cushion with a seal (130) having the ability to change size and/or shape. The seal is preferably a one-piece, continuous member without interruptions. To effect adjustment of the size and/or shape of the seal, an actuator may be provided, which may take the form of a dial (190).