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Mask vent

A technology for air vents and face masks, which can be used in breathing masks, medical equipment, and other medical equipment, and can solve problems such as flute noise, water drop vibration, and noise

Active Publication Date: 2013-12-25
RESMED LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When exhaust gas passes quickly through the vent and over the bead, the bead may vibrate, causing the whistling noise
In addition, water droplets can cause localized obstruction of the vent hole to further cause vent noise

Method used

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Examples

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Embodiment Construction

[0064] The following description is provided with respect to multiple examples (some of the examples are shown, and some of the examples are not shown) that can share common characteristics and features. It should be understood that one or more features of any one example can be combined with one or more features of other examples. In addition, any single feature or combination of features in any one or more examples may constitute additional examples.

[0065] In this specification, the term "comprising" should be understood as its "open" meaning, that is, the meaning of "including", and is therefore not limited to its "closed" meaning, that is, "only by …Constitute the meaning of. The corresponding terms "comprise", "comprised" and "comprises" are considered to have corresponding meanings when they appear.

[0066] The term "air" will be considered to contain breathable gas, such as air containing supplemental oxygen. It should be appreciated that the PAP device or blower desc...

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Abstract

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.

Description

[0001] Application cross-reference [0002] This application claims the benefits of the U.S. Provisional Application No. 61 / 433,422 filed on February 16, 2011 and the U.S. Provisional Application No. 61 / 628,300 filed on October 28, 2011. All of the said applications are incorporated by reference. The content is incorporated into this article. Technical field [0003] The present technology relates to mask vents for noninvasive positive pressure ventilation (NIPPV) and continuous positive airway pressure (CPAP) treatments for sleep disordered breathing (SDB) conditions such as obstructive sleep apnea (OSA). Background technique [0004] The treatment of sleep disordered breathing (SDB) such as obstructive sleep apnea (OSA) through continuous positive airway pressure (CPAP) flow generator system involves: via catheters and masks to humans or other mammals The patient's airway continuously delivers air (or other breathable gas) pressurized above atmospheric pressure. Typically, the m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M16/06A61M16/08
CPCA61M16/0816A61M16/20A61M16/0866A61M2205/42A61M16/06
Inventor 罗伯特·托马斯·伯纳姆尼古拉斯·洛·格朗让-汤姆森马丁·康
Owner RESMED LTD
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