US2020338286A1PendingUtilityA1

Nasal delivery devices

Assignee: OPTINOSE ASPriority: Nov 28, 2006Filed: Nov 21, 2019Published: Oct 29, 2020

Est. expiryNov 28, 2026(~0.3 yrs left)· nominal 20-yr term from priority

Inventors:Per Gisle Djupesland Colin David Sheldrake Simon James Smith Rachel Striebig Andy Duncan Pidgeon Tom St.Quintin

A61M 15/08A61M 15/0028A61M 15/0021A61M 15/0081A61M 2210/0625A61M 2202/064A61M 15/0035A61M 16/1045A61M 15/0043A61M 15/0098A61M 15/0041A61M 15/0026A61M 2205/0222A61M 2210/0618A61M 15/0018

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References

Claims

Abstract

A nasal delivery device for and method of delivering particulate substance to the nasal airway of a subject, the delivery device comprising: a body assembly including a mouthpiece unit which includes a mouthpiece through which the subject in use exhales, and a substance-supply unit which is fluidly connected to the mouthpiece unit and actuatable to provide particulate substance for delivery to the nasal airway of the subject; wherein the body assembly is configured to receive a replaceable nosepiece unit which includes a nosepiece and contains a container containing particulate substance.

Claims

exact text as granted — not AI-modified

1 . A nasal delivery device for delivering particulate substance to the nasal airway of a subject, the delivery device comprising:
 a body assembly including a mouthpiece unit which includes a mouthpiece through which the subject in use exhales, and a substance-supply unit which is fluidly connected to the mouthpiece unit and configured to receive a replaceable nosepiece unit which includes a nosepiece and contains a container containing particulate substance, wherein the substance-supply unit is actuatable to provide particulate substance for delivery to the nasal airway of the subject.   
     
     
         2 - 9 . (canceled) 
     
     
         10 . A nasal delivery device for delivering particulate substance to the nasal airway of a subject, the delivery device comprising:
 a mouthpiece unit which includes a mouthpiece through which the subject in use exhales;   a nosepiece unit which includes a nosepiece for fitting to a nostril of the subject; and   a substance-supply unit which is configured to receive a container containing particulate substance and operable to provide a metered amount of substance in fluid communication with the mouthpiece and nosepiece units, such that an exhalation air flow delivered through the substance-supply unit entrains the substance.   
     
     
         11 - 24 . (canceled) 
     
     
         25 . A nasal delivery device for delivering particulate substance to the nasal airway of a subject, the delivery device comprising:
 a body assembly including a mouthpiece unit which includes a mouthpiece through which the subject in use exhales, and a substance-supply unit which is fluidly connected to the mouthpiece unit and actuatable to provide particulate substance for delivery to the nasal airway of the subject;   wherein the body assembly is configured to receive a replaceable nosepiece unit which includes a nosepiece and contains a container containing particulate substance.   
     
     
         26 - 47 . (canceled)

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