Colin J. Mathews,Chris J. Hurlstone,Ben G. Turner,Oliver T. Harvey,Dominic C. Reber,John G. Wilmot,Clarence M. Mesa,Robert L. Hill,James R. Stewart
申请号:
US16657942
公开号:
US20200254182A1
申请日:
2019.10.18
申请国别(地区):
US
年份:
2020
代理人:
摘要:
An auto-injector apparatus includes a flexible container containing a liquid medicant, a needle communicated with a container, a housing with a container being received in the housing, a pump disposed in the housing and positioned to engage the flexible container and expel the medicant from the container through the needle upon relative movement between the pump and the container, and a main drive spring operably as ted with the needle to extend the needle fro a first needle position wherein the needle is completely received in the housing to a second needle position wherein the needle protrudes from the housing. The pump may be a roller.