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Biochemical device and method for simulating humoral secretion

A technology that simulates body fluids and biochemistry, applied in the field of medical teaching, can solve problems such as high cost, poor product quality, and difficult maintenance

Inactive Publication Date: 2013-03-06
TIANJIN TELLYES SCI INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional method of simulating body fluid secretion is to install a small liquid pump on each outlet pipe connecting the liquid bag. This method is costly, and the quality of the products currently on the market is not good, so it is difficult to maintain.

Method used

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  • Biochemical device and method for simulating humoral secretion

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Embodiment 1: The following takes "simulated tears" as an example: the air pump 1 pushes the gas into the cylinder 2 to squeeze the body liquid sac 3, and the pressure sensor 21 detects the pressure value M in the cylinder, and converts the detected value into output. The signal is sent to the PLC controller, the PLC controller converts the received signal, and judges with the preset pressure value range [A, B], if B or M<A, the PLC controller outputs the signal to control the air pump 1 Inject gas into cylinder 2, stop pumping until M=B.

[0018] The user inputs data to request to shed tears or to stop the shedding of tears, and the PLC controller receives the information input by the user to make a judgment, and controls the solenoid valve 7 to open or close.

Embodiment 2

[0019] Embodiment 2: The following takes "simulated lung breathing" as an example: the air pump injects gas into the cylinder to squeeze the airbag, the pressure sensor detects the pressure value M in the cylinder, and converts the detected value into an output signal and transmits it to the PLC. The controller, the PLC controller converts the received signal, and judges it with the preset pressure value range [A, B], if B or M<A, the PLC controller outputs the signal to control the air pump to pump into the cylinder. Into the gas, stop pumping until M=B.

[0020] The first and second solenoid valves closest to the air outlet of the cylinder are always open. The user inputs data to simulate the left and right lungs for breathing. The PLC controller receives the information input by the user to make judgments and controls the solenoid valve for gas. 16 or gas solenoid valve 18 is opened or closed.

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Abstract

The invention relates to biochemical device and method for simulating humoral secretion and mainly relates to the field of medical teaching. The biochemical device is characterized by mainly comprising a cylinder, an air pump, a pressure sensor, liquid sacs, an air sac, electromagnetic valves and a guide tube. The air cylinder is provided with an air inlet and an air outlet. The air inlet is connected with the air pump. The air cylinder is connected with the pressure sensor. The humoral sac and a blood sac are disposed inside the air cylinder. The biochemical method includes: allowing the air pump to pump air into the air cylinder to squeeze the liquid sacs, allowing the pressure sensor to detect inner pressure of the air cylinder, converting the pressure valve into transmittable signals transmitted to an PLC (programmable logic controller), allowing the PLC to receive the signals before converting and judging, controlling the air pump to pump the air cylinder or not according to the judged valve; and allowing the PLC to judge according to data input by a user and control on or off of certain electromagnetic valve according to the judged valve.

Description

technical field [0001] The invention relates to the field of medical teaching, in particular to a biochemical device and method for simulating body fluid secretion. Background technique [0002] The body contains a lot of water, and the water and various substances dissolved in the water are collectively called body fluids. Body fluids can be divided into two major parts: intracellular fluid and extracellular fluid. The intracellular fluid is called intracellular fluid. What exists outside the cells is called extracellular fluid. Human metabolism is a series of complex biophysical and biochemical reaction processes, mainly carried out in cells, and these processes are inseparable from water. The volume and distribution of water in the body, as well as the concentration of electrolytes in it, are regulated and controlled by the wonderful human body, so that the volume, electrolyte concentration, osmotic pressure, pH, etc. of body fluids inside and outside the cell can be re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B23/28
Inventor 高霞周继彬顾振宇
Owner TIANJIN TELLYES SCI INC
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