William R. Freeman,Michael J. Sailor,Lingyun Cheng
申请号：
US16270259
公开号：
US20200009053A1
申请日:
2019.02.07
申请国别(地区):
US
年份:
2020
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.
