Shahar ZIDON,Boaz EITAN,Ori BEN-DAVID,Andrei YOSEF
申请号：
US16462458
公开号：
US20190365985A1
申请日:
2017.11.22
申请国别(地区):
US
年份:
2019
代理人:
摘要：
Apparatus is provided including a therapeutic substance reservoir (24) configured to hold a therapeutic substance (22), and an electromechanical pumping assembly (26). The pumping assembly is shaped to define a pump chamber (28) having (a) a therapeutic substance inlet (30), and (b) a therapeutic substance outlet (32). The pumping assembly includes a plunger (34) disposed such that therapeutic substance in the pump chamber is in direct contact with the plunger, and control circuitry (36) configured to drive the plunger to (a) draw the therapeutic substance into the pump chamber during a first pumping phase, and (b) deliver the therapeutic substance from the pump chamber in a plurality of discrete motions of the plunger during a second pumping phase.
