Tracheostoma filter with HME properties

Details Tracheostoma filter with HME properties Tracheostoma filter with HME properties

1997-02-18

1998-12-15

Asher, Kimberly L.

Surgery

Respiratory method or device

Inhaled gas heated or humidified by exhaled gas

12820527, 12820716, A62B 1808, A62B 710, A62B 2302, A61M 1600

Patent

active

058485902

ABSTRACT:
A filter assembly for filtering air that is to be breathed through a tracheostoma comprises (a) a housing, and (b) a filter component which can be fitted into the housing the filter component is movable within the housing as a result of a pressure difference across the component due to breathing, between an inhalation position, and an exhalation position resulting in a change in resistance to breathing through the assembly.

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A.S. Jones, J.M. Lancer, J.C. Stevens, and E. Beckingham, Nasal resistance to airflow (its measurement, reproductibility and normal parameters, The Journal of Laryngology and Otology, Aug. 1987, vol. 101, pp. 800-808.

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