David Jonathan Townley Whitaker,Craig Harvey Nelson,David Morrison Russell,Thomas Mark Kemp,Simon Francis Brereton,Philip Andrew Dent,Paul Farenden
申请号：
US13510117
公开号：
US20120296261A1
申请日:
2010.11.17
申请国别(地区):
US
年份:
2012
代理人:
摘要：
Various delivery devices and methods are disclosed, including a delivery device (200) for delivering a dose substance (110) in powdered form to an eye. The device can include a pocket (100A, 100B, 100C) for holding dose substance and a propulsion system (202, 204, 908, 1004, 1006) for propelling a dose consisting of a predetermined volume of said dose substance from said pocket towards said eye, wherein one or both of said pocket and said propulsion system are configured to inhibit propulsion of particles having a size greater than a predetermined threshold to said eye.
