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Analog device of alimentary system

A system simulation and digestive tract technology, applied in teaching models, educational tools, instruments, etc., can solve problems such as inability to simulate digestive tract peristaltic functions, and achieve the effects of shortening the training cycle, long working hours, and shortening the development cycle

Inactive Publication Date: 2009-07-01
重庆工学院
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the device has the following problems: first, the device is mainly designed for the drug release rate, and only simulates the pH value and drug delivery time; second, it only simulates a certain part of the digestive tract through several separate decomposition pools; In addition, for pressure, the parameters of digestive enzymes are not involved, and the simulation of digestive tract peristalsis function cannot be performed

Method used

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  • Analog device of alimentary system
  • Analog device of alimentary system
  • Analog device of alimentary system

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with specific examples.

[0025] Such as figure 1 As shown, the digestive tract simulation device of the present invention includes a simulated oral cavity 1 , a simulated esophagus 3 , a simulated stomach 10 , a simulated small intestine 13 , a simulated large intestine 16 and a simulated anal opening 17 arranged in the shell 35 and communicated in sequence. The overall appearance of the shell 35 is about 45×25×65 cm in length, width and height, the simulated esophagus is about φ2.0×20 cm, the simulated stomach capacity is about 1500 ml, the simulated small intestine is about φ2.0×500 cm, and the simulated large intestine It is about φ3.0×100 cm, the volume of several liquid storage chambers is about 1000 milliliters, and the volume of waste liquid recovery tank is about 3000 milliliters.

[0026]A simulated throat switch 2 is provided in the simulated oral cavity 1, a simulated cardia switch 5 is pr...

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Abstract

The invention provides a digestive tract system simulation device, which includes a simulated oral cavity, a simulated esophagus, a simulated stomach, a simulated small intestine, a simulated large intestine, and a simulated anus and switches thereof; There are acid storage chambers, buffer storage chambers, digestive enzyme storage chambers, lye storage chambers and their flow controllers, as well as sensors for pH, pressure and enzymes; the central control unit is used to set the overall parameters of the simulated digestive tract , receive the detection results fed back by the sensor, adjust the flow controller, analog switch, electric control driver action range and action duration, etc., and save various parameters in the data storage unit, and output through the data output interface. The invention can simulate the peristaltic action of the digestive tract, and can achieve the purpose of controlling the running time of the simulated digestive tract through the control of the action range and action time. It has the advantages of simple system structure, long working time, many simulation parameters and comprehensive functions.

Description

technical field [0001] The present invention relates to a digestive tract system simulation device, in particular to a device for simulating the physiological function state of the digestive tract, which can continuously adjust the pH value, pressure, enzymes, etc. inside the digestive tract, and can simulate the peristalsis of the digestive tract . Background technique [0002] In today's society, people's life pressure is increasing, and gastrointestinal diseases are also increasing. Correspondingly, there are more and more instruments for the diagnosis, treatment and monitoring of gastrointestinal diseases. However, because such instruments generally belong to the second and third types of medical instruments, so Corresponding human clinical trials are required. In order to reduce the risk of clinical trials and find product shortages and hidden dangers early, technicians in the field hope that through a simulation device, on the one hand, they can strengthen their under...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09B23/28G09B23/30
Inventor 崔建国韦云隆
Owner 重庆工学院
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