Delivery Devices

• US 20130125889A1
• Filed: 05/16/2012
• Published: 05/23/2013
• Est. Priority Date: 08/14/2003
• Status: Active Grant

• Current Assignee: OptiNose, Inc.
• Original Assignee: OptiNose AS (OptiNose, Inc.)
• Inventors: Djupesland, Per Gisle, Kay, Stuart Brian William, Pocock, Andrew Gordon, Murphy, Martin Joseph
• Granted Patent: US 9,452,272 B2
• Time in Patent Office: Days
• US Class Current: 128/203.18
• CPC Class Codes: A61M 11/007 Syringe-type or piston-type sprayers or atomisers
• CPC Class Codes: A61M 11/02 operated by air or other gas pressure applied to the liquid or other product to be sprayed or atomised sprayers for horticulture A01G, A01H; killing insects A01M; air humidifying by nozzles F24F6/14, F24F6/18; cooling by spraying F28B, F28C
• CPC Class Codes: A61M 15/00 Inhalators drug delivery in endotracheal tubes A61M16/04
• CPC Class Codes: A61M 15/0018 with exhalation check valves
• CPC Class Codes: A61M 15/0021 Mouthpieces therefor
• CPC Class Codes: A61M 15/0036 hollow piercing means
• CPC Class Codes: A61M 15/0038 Cutting means
• CPC Class Codes: A61M 15/004 with fixed piercing or cutting means
• CPC Class Codes: A61M 15/0041 with movable piercing or cutting means
• CPC Class Codes: A61M 15/0091 mechanically breath-triggered
• CPC Class Codes: A61M 15/0098 Activated by exhalation
• CPC Class Codes: A61M 15/08 Inhaling devices inserted into the nose
• CPC Class Codes: A61M 2205/8281 spring operated

Abstract

A breath-actuated delivery device includes a mouthpiece through which a subject in use exhales, an air channel which is in fluid communication with the mouthpiece, and a flexible diaphragm which is disposed in the air channel. The diaphragm provides for at least a restricted air flow through the air channel until a predeterminable actuation pressure is developed in the mouthpiece, and, on generation of the predeterminable actuation pressure in the mouthpiece, provides for an air flow through the air channel.

Claims

1. A breath-actuated delivery device, comprising:

a mouthpiece through which a subject in use exhales;

an air channel which is in fluid communication with the mouthpiece; and

a flexible diaphragm which is disposed in the air channel, the diaphragm providing for at least a restricted air flow through the air channel until a predeterminable actuation pressure is developed in the mouthpiece, and, on generation of the predeterminable actuation pressure in the mouthpiece, providing for an air flow through the air channel.

2. The delivery device of claim 1, wherein the diaphragm at least substantially closes the air channel until the predeterminable actuation pressure is developed in the mouthpiece.

3. The delivery device of claim 2, wherein the diaphragm closes the air channel until the predeterminable actuation pressure is developed in the mouthpiece.

4. The delivery device of claim 1, further comprising a rupturing element for rupturing the diaphragm on generation of the predeterminable actuation pressure in the mouthpiece.

5. The delivery device of claim 1, wherein the diaphragm is a resilient element.

6. The delivery device of claim 1, wherein the delivery device is a nasal delivery device, and further comprising a nosepiece for fitting to a nostril of the subject and through which substance is delivered to the nasal airway of the subject.

7. The delivery device of claim 6, wherein the nosepiece is in fluid communication with the air channel, and an air flow, when delivered through the air channel, acts to entrain substance.