DJUPESLAND, PER GISLE,SHELDRAKE, COLIN DAVID,HAFNER, RODERICK PETER
申请号:
CA2642438
公开号:
CA2642438C
申请日:
2007.02.14
申请国别(地区):
CA
年份:
2020
代理人:
摘要:
A nasal delivery device and method for delivering substance to the middlemeatus in anasal cavity of a subject in the treatment of a condition, in particular aninflammatory orinfectious condition, the delivery device comprising: a nosepiece unit (17)including anosepiece (20) for fitting to a nostril of a subject and a nozzle (25) throughwhichsubstance is in use delivered to the respective nasal cavity; and a deliveryunit (29) fordelivering substance through the nozzle of the nosepiece; wherein the deliverydevice isconfigured such that at least 50 % of the dose as initially deposited in thenasal airway isdeposited in a region of the nasal cavity which is posterior of the nasalvalve and at least30 % of the dose as initially deposited in the nasal cavity is deposited in anupperposterior region of the nasal cavity which is posterior of the nasal valve andabove theinferior meatus.