Patent · US Expired

Drug delivery apparatus

US6584971B1 · kind B1 · utility

73Cited by
12References
35Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 30, 2000
Grant dateJul 1, 2003
Priority date
Expiry dateAug 10, 2020

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61M2205/52
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A nebulizer has structure for determining the duration of a pulse of atomization during inspiration, the determination structure including components for measuring the tidal volume of a patient, measuring the duration of inspiration, for storing estimates of the volume of a patient's upper airway, and for calculating the duration of the pulse. The duration of the pulse is calculated on the basis of the tidal volume, the duration of inspiration, and the stored estimated volume of patient's upper airway.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.