William R. Freeman,Michael J. Sailor,Lingyun Cheng
申请号：
US15004790
公开号：
US09937129B2
申请日:
2016.01.22
申请国别(地区):
US
年份:
2018
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.
