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Trace transfusion pump

An infusion pump and micro-volume technology, applied in the direction of pressure infusion, devices introduced into the body, etc., can solve the problems of high cost, low degree of automation and accuracy, and achieve the effect of easy control, high degree of automation, and precise control of infusion volume

Inactive Publication Date: 2005-03-09
广东省疾病预防控制中心
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the problems of high cost, low degree of automation and low accuracy of existing micro-infusion pumps, the present invention provides a micro-infusion pump with low cost, high degree of automation and high accuracy

Method used

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Embodiment Construction

[0010] Please refer to Figure 1 and Figure 5 , The microinfusion pump of the first embodiment of the present invention includes a pump device 1 and an electromagnet control device 2 . The pump device 1 includes an iron sheet 15 , an infusion hose 14 , an input end spring 10 , an input end button 12 , an extruding spring 11 , an extruding button 13 , an output end spring 20 , an output end pressing device 21 and a base plate 22 . The pressing spring 11 is located between the input spring 10 and the output spring 20 . The input end button 12 , the pressing button 13 and the output end pressing device 21 are respectively connected to one end of the input end spring 10 , the pressing spring 11 and the output end spring 20 . The input end spring 10 and the extruding spring 11 are installed on the iron sheet 15, wherein the length of the input end spring 10 is larger than the extruding spring 11. The output end spring 20 is mounted on the base plate 22 and located between the infu...

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Abstract

A micro infusion pump is composed of iron sheet, flexible infusion tube, the spring and button at input end, pressing spring and button the spring and button at output end, and electromagnet controller capable of precisely controlling infusion quantity.

Description

【Technical field】 [0001] The invention relates to a micro-infusion pump. 【Background technique】 [0002] With the development of modern biomedicine, people are increasingly using constant-speed microinfusion. For example, it is hoped that the anesthesia can be slowly and continuously infused to the patient with a small dose during anesthesia, and the therapeutic drug can also be slowly and accurately delivered to the target site during tumor treatment. Animal experiments need to continuously perfuse animals through gastric tubes. Cell culture needs to continuously renew the culture medium for the cultured cells, etc., all of which need to infuse at a rate of several microliters per minute or even several microliters per hour, and not only require the flow rate of micro-infusion, but also require the party to more accurately control different unit time infusion volume. All these put forward new and higher requirements for the realization of micro-infusion. In addition, con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M5/142
Inventor 杨明杰周建嫦杨杏芬黄俊明
Owner 广东省疾病预防控制中心