| 摘要 |
A hydraulic pump, having an infusion set (12) adapted to serve as drive liquid for the pump, hydraulic actuator (2), connected to infusion set (12), and comprising, in one embodiment, a piston (6) which is acted upon by the drive liquid (8) to advance plunger rod (28) and, to expel the infusion liquid (40) from the syringe (25) towards the recipient. Other embodiments are disclosed in which the piston (6) and syringe (25) are replaced. <IMAGE>
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