Nasal delivery devices

A technology for delivery devices and nostrils, which can be used in therapeutic nebulizers, drug devices, inhalers, etc., and can solve problems such as cost-effective delivery obstacles of the first-pass effect of the liver

Active Publication Date: 2010-12-15
OPTINOSE INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For this substance, intestinal metabolism and hepatic first-pass ef...

Method used

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  • Nasal delivery devices
  • Nasal delivery devices
  • Nasal delivery devices

Examples

Experimental program
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Embodiment Construction

[0064] Figure 1(a) to Figure 1(c) A manually operated exhalation operated nasal delivery device according to a first embodiment of the present invention is shown.

[0065] The delivery device comprises a housing 15, a nozzle 17 for placement in the subject's nasal cavity, a mouthpiece 19 for exhalation by the subject in use, a substance supply unit 20 which is manually operated to deliver the substance to the subject's nasal cavity.

[0066] The housing 15 includes a main body 21, which is an elongated pipe section in this embodiment, and a locking mechanism 23, which can be configured in a closed invalid configuration as shown in Figure 1 (a) and as shown in Figure 1 (b). Operation between the open active configurations shown, in which the device is inactive, and in the active configuration the substance supply unit 20 is operational.

[0067] The locking mechanism 23 includes a movable connection, which is hinged in this embodiment, to a locking member 27 on the main body...

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PUM

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Abstract

A nasal delivery device for and a method of delivering substance to a nasal airway of a subject, the nasal delivery device comprising : a mouthpiece (519) through which the subject in use exhales to cause closure of the oropharyngeal velum of the subject; a nosepiece (517) for fitting to a nostril of a subject, the nosepiece including a nozzle (549) through which substance is in use delivered to the nasal airway; and a manually-actuatable substance supply unit (520) for delivering substance through the nozzle of the nosepiece.

Description

technical field [0001] The present invention relates to nasal delivery devices and methods for delivering substances, especially liquids in the form of suspensions or solutions or powders or vaccines containing medicaments, especially systemic or topical medicaments, to the nasal airways of a subject. Background technique [0002] see Figure 15 , the nasal airway 1 includes two nasal cavities separated by the nasal septum, wherein the nasal airway 1 includes multiple orifices such as sinus ostia 3 and lacrimal ostia 5 and olfactory cells and is lined with nasal mucosa. The nasal airway 1 can communicate with the nasopharynx 7 , the oral cavity 9 and the lower airway 11 , wherein the nasal airway 1 selectively communicates with the front region of the nasopharynx 7 and the oral cavity 9 through the opening and closing of the oropharyngeal membrane 13 . The membrane 13, also commonly called the soft palate, is shown in solid lines in the closed position, which can be achieved...

Claims

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Application Information

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IPC IPC(8): A61M15/08
CPCA61M2015/0098A61M2015/0015A61M15/08A61M2015/0003A61M2011/007A61M2015/0021A61M2202/0468A61M11/08A61M2205/8281A61M2202/064A61M2015/0095A61M15/009A61M2015/002A61M15/0091A61M11/007A61M15/0003A61M15/0015A61M15/002A61M15/0021A61M15/0095A61M15/0098A61M11/006A61M11/02
Inventor P·G·杰佩斯兰德C·D·谢尔德莱克
Owner OPTINOSE INC
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