PAUL ANDREW CHRISTOPHER GIBSON,EDWARD ANDREW CUMMINGS
申请号：
US16576670
公开号：
US20200093992A1
申请日:
2019.09.19
申请国别(地区):
US
年份:
2020
代理人:
摘要：
A method of adapting an auto injector configured to actuate a prefilled syringe, the auto injector having a biasing member having a spring constant, the prefilled syringe being filled with a volume of therapeutic fluid, the prefilled syringe including a barrel, stopper, and a needle, the stopper having a path of travel, the biasing member arranged to move the stopper along the path of travel. An auto injector having an injection spring adapted to an aged prefilled syringe.
