Injection pump with whole-process infusion safety detection and near-space detection structure

A safety detection and injection pump technology, applied in the field of injection pumps, can solve the problems of few low-end equipment and high price of full-process sensors, and achieve the effect of improving infusion safety, high reliability and simple structure

Pending Publication Date: 2019-03-05
SMITHS MEDICAL INSTR ZHEJIANG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The whole process of safety detection is only equipped on high-end syringe pumps, which can detect failures in the infusion process in time, but the price of the whole process sensor is relatively high, and it is rarely equipped in low-end equipment

Method used

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  • Injection pump with whole-process infusion safety detection and near-space detection structure
  • Injection pump with whole-process infusion safety detection and near-space detection structure
  • Injection pump with whole-process infusion safety detection and near-space detection structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Such as figure 1 , 4 As shown in -5, a syringe pump with a structure of full-range infusion safety detection and near-empty detection includes a frame 10, a motor 8, and a syringe 6, wherein the motor 8 is connected to the screw rod 7 through a reduction mechanism 9, and the screw rod 7 The rod 7 cooperates with the clutch nut 3, the clutch nut 3 is connected with the push rod 4, the push rod 4 is connected with the syringe 6 through the push head 5, the clutch nut 3 is provided with a photoelectric coupler 2, and the frame 10 is provided with a photoelectric coupler 2. Coupler 2 fitted with light barrier 1.

[0018] The motor 8 rotates, and the motion is transmitted to the screw rod 7 through the reduction mechanism 9. The screw rod 7 is mechanically cooperated with the screw nut pair of the clutch nut 3, so that the rotation of the screw rod 7 is transformed into the linear motion of the clutch nut 3, and the clutch nut 3 drives The push rod 4 and the push head 5 mo...

Embodiment 2

[0024] The light blocking sheet 1 only has a whole-process infusion safety detection area, and the entire process adopts equal widths and gaps, only to realize the function of detecting infusion safety.

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Abstract

The invention relates to an injection pump with a whole-process infusion safety detection and near-space detection structure. The injection pump comprises a rack, a motor and a syringe; the motor is connected with a screw rod through a speed reduction mechanism, the screw rod is matched with a clutch nut, the clutch nut is connected with a push rod, the push rod is connected with the syringe through a push head, the clutch nut is provided with a photoelectric coupler, and the rack is provided with light blocking pieces matched with the photoelectric coupler. The injection pump has the advantages that the novel structure formed by combining the photoelectric coupler and a set of light blocking pieces different in width and interval is adopted, the structure is simple, the reliability is high, and the cost is low; whether or not a transmission system of the injection pump loses efficacy can be monitored in the whole process, and the infusion safety is improved; the multi-position detection of the tail end is achieved, and the near-space alarming and infusion completion alarming reliability of the injection pump is improved.

Description

technical field [0001] The invention relates to the field of syringe pumps, in particular to a syringe pump with a light-sensitive infusion process safety and near-air detection module. Background technique [0002] The micro-injection pump is a medical device used to precisely control the infusion volume of the medicinal solution in the syringe, and is often used in the ICU ward. Conventional syringe pumps are generally equipped with a near-air detection device. When the liquid medicine is about to be infused, the sensor will be triggered, and the syringe pump will send out an alarm to remind medical staff to change the medicine or take other measures. Full-process safety detection is only equipped on high-end syringe pumps, which can detect failures in the infusion process in time, but the price of full-process sensors is relatively high, and low-end equipment is rarely equipped. Contents of the invention [0003] The present invention aims to solve the above-mentioned ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M5/142A61M5/168
CPCA61M5/142A61M5/16804A61M5/1684A61M5/16877A61M2205/18
Inventor 刘孝永宫振鹏张春亮刘丹丹金世强
Owner SMITHS MEDICAL INSTR ZHEJIANG
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