Aerosol filtration device and inhalation apparatus containing sa

Surgery – Liquid medicament atomizer or sprayer – Gas stream aspirating medicament from reservoir

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12820418, 12820512, 12820524, 128910, 128909, 12820014, 12820529, A61M 1600

Patent

active

056033141

ABSTRACT:
An improved filtration device suitable for reducing exhaled particles in an aerosol inhalation device. The filtration device includes a body portion having an interior chamber which communicates with an inlet and outlet opening through the chamber wall. Within the chamber is a substance recovery media designed to capture a portion of the exhaled particles from the patient and for assisting in returning a portion of the captured particles back to the patient, such as by a nebulizer. The filtration device further includes a filter layer located within the interior chamber for filtering out contaminants, such as viruses and bacteria, in the gaseous medium prior to releasing the remaining portion of the gaseous medium into the environment. Aerosol inhalation devices containing such filters are also provided by this invention.

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