Dale Brady,Dustin Kasel,Rodney L. Houfburg,Steve Rathjen
申请号：
US15089061
公开号：
US20160213834A1
申请日:
2016.04.01
申请国别(地区):
US
年份:
2016
代理人:
摘要：
An apparatus has a syringe housing. A plunger has a shaft, wherein the plunger is slidably received within the syringe housing between a first and second position. A Hall sensor is disposed within the shaft and a magnet is fixed proximate the syringe housing.
