William R. Freeman,Michael J. Sailor,Lignyun Cheng
申请号：
US13887045
公开号：
US20130236518A1
申请日:
2013.05.03
申请国别(地区):
US
年份:
2013
代理人:
摘要：
This invention relates to devices, systems and methods for delivering preprogrammed quantities of an active ingredient to a biological system over time without the need for external power or electronics.
