MOJARRAD, MEHRAN,BYLAND, TIMOTHY D.,COLLINS, JAMES MATTHEW,FISHER, MARK JAMES,GRIMLEY, JOHN,O'FALLON, JOHN MICHAEL,SAMPSON, CRAIG FIELD,TAPPEL, JAMES G.
申请号：
CA2631435
公开号：
CA2631435C
申请日:
2006.12.19
申请国别(地区):
CA
年份:
2014
代理人:
摘要：
A fluid injecting device (30) generally including a fluid delivery assembly(32) and a needle-free injecting assembly (34). The fluid delivery assembly(32) delivers or transfers the fluid medicine from a cartridge (40) into theneedle-free injecting assembly (34) for injecting into a patient. A drivetrain (112) applies a force to a piston (64) inside the cartridge (40) duringthe delivery of the fluid to the needle-free injecting assembly (34) toprevent adhesion or static friction between the piston (64) and the cartridge(40). In addition, sensors can be used to help ensure the proper amount ofdosage is transferred to the needle-free injecting assembly, conserve power,reduce leakage during disassembly, among other functions.
