RESPIRATORY GAS HUMIDIFICATION SYSTEM
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Abstract
A humidification system comprises a first sensor and a second sensor. The first and second sensors are adapted to sense flow characteristics within the system. The first and second sensors are isolated from the flow by barriers formed by respective first and second sealing members. The sealing members extend through apertures formed in the system and have a portion that contacts the sensing elements of the respective first and second sensors. A cartridge can hold the sensors and provide repeatable penetration depths into a flow passage of the system. A medical tube has a composite structure made of two or more distinct components that are spirally wound to form an elongate tube. One component can be a spirally wound elongate hollow body; the other component can be an elongate structural component spirally wound between turns of the spirally wound hollow body.
52 Citations
75 Claims
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1-59. -59. (canceled)
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60. A humidification apparatus comprising:
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a pressurized gas source comprising an outlet; a humidification unit comprising an inlet and an outlet, the outlet of the pressurized gas source being connected to the inlet of the humidification unit; a delivery component connected to the outlet of the humidification unit a flow passage being defined between the pressurized gas source and the delivery component; a wall defining at least a portion of the flow passage and comprising an aperture; a sensor adapted to sense a gas property within the flow passage, the sensor comprising a sensing portion, the sensor extending through the aperture so that the sensing portion is positioned within the flow passage; and a barrier secured to the wall and pneumatically sealing the aperture, at least a portion of the sensor being removably disposed within the barrier such that the barrier isolates the sensor from the flow passage. - View Dependent Claims (61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75)
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Specification