Richard A. Cronenberg,Jose Luis Charvet,Abhijitsinh Raj
申请号：
US15616162
公开号：
US20170354781A1
申请日:
2017.06.07
申请国别(地区):
US
年份:
2017
代理人:
摘要：
A drive assembly for a drug delivery system includes a plunger member configured to engage and move a stopper within a container, with the plunger member having a first position and a second position axially spaced from the first position, a leadscrew configured to move the plunger member from the first position to the second position, and a biasing member configured to bias the leadscrew in a rotational direction, where rotational movement of the leadscrew is configured to move the plunger member from the first position to the second position.
