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Infusion bag pressurizer

A technology of infusion bags and pressurizers, applied in the field of medical devices, can solve the problems of cumbersome dispensing process, time-consuming and labor-intensive, liquid medicine waste, etc., and achieve the effect of preventing pressure release, convenient extraction, and automatic constant pressure control

Pending Publication Date: 2019-02-19
河北省中医院
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, doctors usually put the infusion bag flat on the table when dispensing the medicine. There are two disadvantages when drawing the medicine liquid through the syringe: first, the gas will be sucked into the syringe, and the needle of the syringe needs to be squeezed upwards. Expelling the gas in the syringe not only makes the dispensing process cumbersome, but also causes a waste of liquid medicine; second, when extracting the liquid medicine, it is necessary to use relatively large force to pull the suction head, which is time-consuming and laborious

Method used

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specific Embodiment approach

[0032] When dispensing medicine, the upper end of the infusion bag 14 that needs to extract the medicinal liquid is passed through the vertical channel 101, between the two extrusion blocks 5 and the arc-shaped channel 81 in sequence, and the circular hole 19 is hung on the hook 9. The infusion bag 14 sags naturally under the action of gravity. The micro-deceleration motor is started, and driven by the micro-deceleration motor, the rotating rod 8 rotates clockwise, and the infusion bag 14 is wound on the rotating rod 8 . At the same time, the squeeze block 5 clamps the infusion bag 14 to prevent the liquid medicine from entering the top of the squeeze block 5. As the infusion bag 14 rises, the liquid storage space of the infusion bag 14 under the squeeze block 5 gradually decreases, and the pressure Gradually increase, the pressure sensor 15 located at the infusion tube port 16 at the lower part of the infusion bag 14 feeds back data in real time to the control unit, when the ...

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Abstract

The invention relates to an infusion bag pressurizer. The infusion bag pressurizer comprises a base, a rotating rod, a ratchet wheel mechanism, mounting blocks arranged on the base, an extruding blockmounted on the mounting block, and a case arranged on the base, wherein the base is provided with a vertical channel for an infusion bag to vertically pass through, and the width of the vertical channel is gradually increased from top to bottom; the mounting blocks are arranged above the base and on both sides of the vertical channel, the opposite sides of the two mounting blocks are provided with mounting grooves, the extruding block is mounted inside the mounting grooves, and between the extruding block and the bottoms of the mounting grooves are provided with a plurality of pressure springs; the case is arranged on one side of the upper portion of the base, and the inside of the case is provided with a micro reducing motor; one end of a rotating rod is coaxially fixedly connected withthe output shaft of the micro reducing motor, the base is provided with a support base, the other end of the rotating rod is arranged on the support base, and between the rotating rod and the supportbase is provided with a bearing.

Description

technical field [0001] The invention relates to the field of medical instruments, in particular to an infusion bag pressurizer. Background technique [0002] Before the infusion, the patient needs the doctor to dispense medicine, that is, to extract different medicines from different infusion bags through a syringe, and configure the medicines. At present, doctors usually place the infusion bag flat on the table when dispensing medicine. There are two shortcomings when extracting medicine through a syringe: First, gas is drawn into the syringe, and the needle of the syringe needs to be squeezed upwards. Expelling the gas in the syringe not only makes the dispensing process cumbersome, but also causes waste of the medicinal liquid; secondly, when extracting the medicinal liquid, it is necessary to use a relatively large force to pull the suction head, which is time-consuming and labor-intensive. The invention provides an infusion bag pressurizer with simple structure, conven...

Claims

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Application Information

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IPC IPC(8): A61J1/20
CPCA61J1/2003
Inventor 王钦娴杨丽王立伟王晓辉孔丽丽郝巍
Owner 河北省中医院
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