Importance

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Abstract

A syringe for use with an infusion pump, the infusion pump having a cavity for receiving the syringe. The syringe includes a syringe body, a plunger and an end cap. The syringe body has a tube that is open at a first end and transitions to a passage at a second end and a connector extending from the passage, the connector for attachment to an infusion set or tubing. The plunger is slidably mounted inside the tube and comprises a plunger tip and a plunger rod. The plunger tip has a front face that is complementarily received by the second end of the tube and a rear face, the plunger tip forming an interference fit with the tube. The plunger rod has a first end attached to the plunger tip and a second end extending outside the first end of the tube. The plunger rod has a cross-sectional shape that is complementarily received by the cavity of the infusion pump when inserted in only one direction. The end cap is attached to the first end of the tube and has an opening that is shaped to complementarily receive the plunger rod.

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First Claim