NASAL DELIVERY DEVICES

WIPO Patent Application WO2006030210

A3

A nasal delivery device for and method of delivering substance to a nasal cavity of a subject, the delivery device comprising: a container-receiving unit comprising a container chamber for receiving a substance-containing container which contains substance to be delivered to the nasal cavity of the subject, the container chamber including an inlet and an outlet; a nosepiece unit including a nosepiece for fitting to a nasal cavity of the subject and being in fluid communication with the outlet of the container chamber; a mouthpiece unit including a mouthpiece in fluid communication with the inlet of the container chamber and through which the subject in use exhales, such as to entrain substance from the container and deliver the same through the nosepiece; and moisture-mitigation means for mitigating an effect of moisture in an exhaled breath on the entrainment of substance from the container, which means are provided, for example, by providing the container in a replaceable container-containing member, by a pressure-sensitive valve which normally closes the fluid connection between the container chamber and the mouthpiece, and a temperature regulator upstream of the container chamber.

JP4712193	Drug delivery system
JPS5922148	[Title of the device] Inhaler
WO/2004/093953	NASAL DRUG DELIVERY

DJUPESLAND PER GISLE (NO)
HAFNER RODERICK PETER (GB)
SHELDRAKE COLIN DAVID (GB)

PCT/GB2005/003549

May 11, 2006

September 15, 2005

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OPTINOSE AS (NO)
DJUPESLAND PER GISLE (NO)
HAFNER RODERICK PETER (GB)
SHELDRAKE COLIN DAVID (GB)

A61M15/00; A61M16/10

WO2000051672A1	2000-09-08
WO2003082393A1	2003-10-09
WO2003041776A1	2003-05-22
WO1998034664A1	1998-08-13
WO2005021059A2	2005-03-10

US5201308A	1993-04-13
EP1177807A2	2002-02-06
US5797390A	1998-08-25
US5964417A	1999-10-12

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