Improvements in and relating to drug delivery apparatus

Details Improvements in and relating to drug delivery apparatus Improvements in and relating to drug delivery apparatus

A - Human Necessities

61

M

A61M 15/00 (2006.01) A61M 11/00 (2006.01)

Patent

CA 2347699

A nebuliser comprises means for de-termining the duration of a pulse of atom-isation during inspiration, the determina-tion means including means for measur-ing the tidal volume (76) of a patient, tim-ing means (77) for measuring the duration of inspiration, means for storing (77) es-timates of the volume of a patient's up-per airway, and means for calculating (77) the duration of the pulse. The duration of the pulse is calculated on the basis of the tidal volume measuring means (76), the du-ration of inspiration measured by the tim-ing means, and the stored estimated volume of patient's upper airway from the storage means.

La présente invention concerne un nébuliseur comprenant des moyens de détermination de la durée d'une pulsation de pulvérisation lors d'une inspiration, ces moyens de détermination comprenant des moyens de mesure du volume de respiration (76) d'un patient, des moyens de minutage (77) destinés à mesurer la durée d'inspiration, des moyens de stockage (77) des estimations du volume des voies respiratoires supérieures du patient, et des moyens de calcul (77) de la durée de la pulsation. La durée de la pulsation est calculée sur la base des moyens de mesure du volume de respiration (76), de la durée d'inspiration mesurée à l'aide des moyens de minutage, et du volume estimé des voies supérieures respiratoires du patient provenant des moyens de stockage.

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