Importance

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Abstract

Disclosed is a portable infusion set which comprises a supply pump for artificially supplying infusion solution to a tube passage connecting a solution storing vessel and an injection syringe, an elastic tube which is installed at the rear end of the supply pump and which is made of elastic material so that the infusion solution supplied from the supply pump is introduced or discharged through the expansion or contraction of the elastic tube, a supply sensor which detects the expansion or contraction limit of the elastic tube, and a micro-computer which controls power supply to the supply pump according to the signal of the supply sensor. The infusion solution is temporarily stored in elastic tube by the supply pump which is set to on/off by the micro-computer, and then injected to a human body with constant pressure through the contractile force of the elastic tube. By using the portable infusion set of the present invention, infusion solution can be supplied when the storing vessel is below human body and power consumption is lowered by intermittent use of the supply pump making the infusion set light and portable, and overpressure between the supply pump and the injection syringe that occurs when the syringe is clogged is prevented making the use of the infusion set more safe

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First Claim