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DROPLET DELIVERY DEVICE FOR DELIVERY OF FLUIDS TO THE PULMONARY SYSTEM AND METHODS OF USE

  • US 20170319797A1
  • Filed: 05/16/2017
  • Published: 11/09/2017
  • Est. Priority Date: 05/03/2016
  • Status: Active Grant
First Claim
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1. An electronically actuated droplet delivery device for delivering a fluid as an ejected stream of droplets to the pulmonary system of a subject, the device comprising:

  • a housing;

    a reservoir disposed within or in fluid communication with the housing for receiving a volume of fluid;

    an electronically actuated ejector mechanism in fluid communication with the reservoir configured to generate an ejected stream of droplets;

    at least one differential pressure sensor positioned within the housing;

    the at least one differential pressure sensor configured to activate the ejector mechanism upon sensing a pre-determined pressure change within the housing to thereby generate an ejected stream of droplets;

    the ejector mechanism configured to generate the ejected stream of droplets wherein at least about 50% of the droplets have an average ejected droplet diameter of less than about 10 microns, such that at least about 50% of the mass of the ejected stream of droplets is delivered in a respirable range to the pulmonary system of a subject during use.

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