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Automatic control device of drug injecting pump

An automatic control device and injection pump technology, applied in the direction of subcutaneous injection equipment, etc., can solve the problems of difficult control of blood drug concentration and uneven half-life of drugs, and achieve the effect of small size, good stability and high control precision

Inactive Publication Date: 2005-06-29
张兴安
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the variable half-life of the drug, the blood drug concentration is difficult to control

Method used

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  • Automatic control device of drug injecting pump
  • Automatic control device of drug injecting pump
  • Automatic control device of drug injecting pump

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0023] Now use a specific example to illustrate the program.

[0024] figure 1 It is the functional block diagram of the automatic control device of the drug injection pump. It shows the composition of the automatic control system: it is composed of central control circuit, serial communication circuit, display circuit, power supply circuit, alarm circuit and keyboard control circuit. The central control circuit has a built-in system control program, its control signal output terminal is connected to the input terminal of the serial communication circuit, and the output terminal of the serial communication circuit is connected to the control input terminal of the injection pump; the input terminal of the display circuit is connected to the output terminal of the central control circuit; the keyboard The output end of the control circuit is connected to the control input end of the central control circuit; the input end of the alarm circuit is connected to the alarm signal out...

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Abstract

The invention provides an automatic control device of drug injecting pump including an automatic control system, which comprises a central control circuit, a serial communication circuit, a display circuit, a power supply circuit, a warning circuit, and a keyboard control circuit through connection. The signal output terminal of the central control circuit is connected with the input end of the serial communication circuit, the output end of the serial communication circuit is connected with the control input end of the syringe pump, the input end of the display circuit is connected with the data signal output end of the central control circuit, the signal output end of the keyboard control circuit is connected with the control input end of the central control circuit.

Description

Technical field: [0001] The automatic control device of the drug injection pump belongs to medical equipment and is suitable for patients who need continuous long-term drug injection. The speed and dose of the medicine. Background technique: [0002] During the medical treatment, the patient needs to inject medicine, and the method of intravenous injection, infusion and continuous drip infusion with a pump can be adopted. These methods all have certain shortcoming. Sub-intravenous administration will cause large fluctuations in blood drug concentration. After intravenous injection, the blood drug concentration will rise rapidly, and the peak concentration will bring side effects; the drug will be quickly eliminated from the plasma through decomposition, transformation and excretion, and the blood drug concentration will be very fast. When the concentration is lower than the effective concentration, the proper pharmacological effect cannot be achieved. Constant-speed intra...

Claims

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Application Information

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IPC IPC(8): A61M5/00
Inventor 张兴安陈宇柯吴群林窦建识
Owner 张兴安
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