Portable infusion set

Abstract

The invention provides a portable infusion set which is characterized by comprising a tube body, wherein both ends of the tube body are respectively provided with a tube cover and a needle stand, a piston is arranged in the cavity of the tube body, one end of a piston rod is fixed with the piston, the other end of the piston rod extends out of the tube cover, the piston rod and the tube cover form a clearance fit, an extension spring is arranged between the piston and the tube cover and sheathed on the piston rod, and the elastic force of the extension spring pushes the piston towards the needle stand. The portable infusion set has the functions of pushing liquor into human blood circulation and containing the liquor. By using the structure, the extension spring between the piston and thetube cover can always apply pressure onto the liquor in the tube cavity, so that the infusion set can be freely arranged horizontally; and even if the horizontal height of the infusion set is less than that of the infusion position of the patient, the liquor can still be infused into the human blood circulation under the action of the pressure of the extension spring. Therefore, the portable infusion set is more convenient to use and enhances the safety for infusion.

Description

technical field [0001] The invention relates to medical equipment, in particular to a portable infusion set. Background technique [0002] The infusion set is used to instill medicinal liquid into the human vein, so that the medicinal liquid directly enters the blood circulation of the human body. The existing infusion set needs to overcome a certain pressure and prevent air from entering the blood circulation of the human body through the infusion tube of the infusion set, causing air embolism and endangering the patient. The patient's life is safe, so it is necessary to hang the infusion bottle connected to the infusion set upside down to a certain height, so as to ensure that the level of the infusion bottle is higher than the level of the patient's infusion site, so that the liquid medicine maintains a certain pressure and allows the infusion The air in the bottle is controlled above the liquid medicine. On the one hand, it prevents the air from entering the blood circul...

AI Technical Summary

Problems solved by technology

However, the existing infusion set has the following disadvantages during use: first, because the infusion set must be used in conjunction with the infusion bottle, the medicinal liquid is contained in the infusion bottle, and the infusion set itself only has the function of guiding the medicinal liquid into the blood circulation of the human body. Therefore, the infusion set has a single function and is inconvenient to use. Although the syringe in the current medical device has the function of guiding the liquid medicine into the human body and containing the liquid medicine, the syringe is usually used for intramuscular injection, and the volume of the liquid medicine in the syringe is small. , the injection time is generally within one minute, and the pressure of the liquid medicine in the syringe comes from the medical personnel manually pushing the piston rod of the syringe, but the infusion is usually intravenous drip, and the drip time is generally tens of minutes, so the existing syringe cannot be used Directly used in infusion medicine

Secondly, because the infusion device must be used in conjunction with the infusion bottle, the infusion bottle must be kept vertically suspended during the infusion process, requiring an additional suspension frame. At the same time, the level of the infusion bottle must be higher than the level of the patient’s infusion position, so Patients cannot conveniently move at will during infusion, especially in the process of handling and transporting patients in disaster emergency, when using the existing infusion set, it is necessary to use extra manpower to maintain the height and vertical position of the infusion bottle. not convenient

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