DOUBLE ACTION INFUSION SYSTEM

摘要

An infusion system includes a double action infusion pump. The pump includes a cylinder and a reciprocating piston received within the cylinder, the reciprocating piston separating a first pump chamber from a second pump chamber of the cylinder. A reciprocating motor is coupled with the reciprocating piston, and the first and second pump chambers alternate between filling and evacuating conditions with reciprocation of the reciprocating piston through operation of the reciprocating motor, and the speed of reciprocation is varied to provide a continuous output of fluid between the first and second pump chambers. A fluid source and a catheter are optionally coupled with the double action infusion pump. The catheter includes one or more infusion ports near a catheter distal portion, and the one or more infusion ports receive and expel the continuous output of fluid from the double action infusion pump.

主权项

1. An infusion system comprising:
a double action infusion pump including:
a cylinder having a cylinder interior,a reciprocating piston received within the cylinder, the reciprocating piston separating a first pump chamber from a second pump chamber of the cylinder, anda first fluid outlet and a second fluid outlet in communication with the first and second pump chambers, respectively, the first and second fluid outlets on a side of the cylinder; and an outlet orientation carriage coupled with the cylinder, the first and second fluid outlets are movable between an operating configuration and a purging configuration:
in the purging configuration the fluid outlets are directed in an upward direction relative to the cylinder interior, andin the operating configuration the fluid outlets are directed away from the upward direction.