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Magnetic coupling for aerosol generating apparatus

An aerosol and device technology, which is applied in the direction of therapeutic nebulizers, drug devices, and other medical devices, can solve the problems of tediousness and difficulty in cleaning the mesh

Active Publication Date: 2012-10-03
KONINKLIJKE PHILIPS ELECTRONICS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Cleaning the grid film is also difficult and tedious, if not impossible

Method used

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  • Magnetic coupling for aerosol generating apparatus
  • Magnetic coupling for aerosol generating apparatus
  • Magnetic coupling for aerosol generating apparatus

Examples

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Embodiment Construction

[0018] A device for administering an aerosolized substance is disclosed. In the illustrated embodiment, the device is configured for administering (eg, respiratory medication) to the lungs by aerosol. However, as described further below, features (eg, flexible membranes, magnets, etc.) and their use in such devices are not meant to be limiting. Rather, it is contemplated that the features described herein may also be used in other devices for the delivery of aerosolized substances, including but not limited to devices for the delivery of water vapor (such as humidifying devices), devices for humidifying Appliances for fabrics (for example, irons), appliances for cleaning, etc. The device is configured to deliver drug-carrying droplets, such as water droplets, or substances formed by a combination of a vibrator and a flexible membrane. As noted above, the membranes degrade and are difficult and cumbersome to clean. Thus, separation of the vibrator from the membrane is achiev...

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Abstract

An apparatus (e.g., nebulizer) for aerosol delivery of a substance (e.g., a drug to a patient) has a mouthpiece (36); a chamber (34) holding a substance; a flexible membrane (38) having a plurality of apertures; and a vibrator (44) for vibrating the flexible membrane to form a flow of aerosol droplets of the substance that are ejected through the apertures and to the mouthpiece. The vibrator may be a piezoelectric element. A magnetic member (54) is provided on the flexible membrane and is configured to magnetically couple the flexible membrane to the vibrator. The magnetic member allows replacement of the membrane, without wasting the piezoelectric element.

Description

technical field [0001] The present invention generally relates to an apparatus for administering an aerosolized liquid or substance. Background technique [0002] Devices for generating and delivering atomized liquids or substances are used in a wide variety of applications. For example, they may be used to deliver aerosolized medicine, or may be used to generate moisture in other devices such as irons. [0003] Medical devices for administering drugs to patients in aerosol form have been in use since the mid-1950's. For example, such devices are used to deliver inhaled pharmaceutical aerosols (IPA) to the lungs of patients for the treatment of asthma, cystic fibrosis and chronic obstructive pulmonary disease (COPD). A nebulizer is a device used to deliver nebulized medicine. Nebulizers can use different types of mechanisms to aerosolize medicines. Ultrasonic nebulizers use a power source to energize a vibratable element that produces high frequency vibrations. These vi...

Claims

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Application Information

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IPC IPC(8): A61M11/00A61M15/00
CPCA61M2205/8206A61M11/005B05B17/0646A61M2205/0272A61M15/0085A61M2205/52A61M2205/502A61M11/00A61M15/00A61M15/0001A61M15/0021A61M15/0005A61M15/001B05B17/06B05B17/0607B65D83/752B65D83/75
Inventor M·B·范德马克
Owner KONINKLIJKE PHILIPS ELECTRONICS NV
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