Gastric lavage model

A model and gastric lavage technology, applied in teaching models, educational tools, instruments, etc., can solve the problems of low technical content and obvious differences in gastric lavage models

Inactive Publication Date: 2009-09-09
SHANGHAI INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims at the problem that the existing gastric lavage model has low technical content and is significantly different from the actual physiological stomach. A variety of gastric parameters in gastric lavage and gastric lavage training can avoid or reduce gastric damage during actual gastric lavage

Method used

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Embodiment Construction

[0013] figure 1 The structure diagram of the gastric lavage model is shown, the model includes a transparent model shell 2, and a flexible stomach-shaped pouch is placed in the shell, that is, the stomach model 6, and the two ports of the stomach model 6 pass through the model shell 2, respectively serving as the cardia duct 18 and the pylorus duct 10 The outer layer of the cardia duct outside the model shell is an annular air bag 1, and the outer layer of this bag is a rigid air bag hoop 17, and the annular air bag 1 is connected to a port of the pump 13 through the cardiac pressure sensor 16 and the cardia electric regulating valve 15, and the pyloric duct 10 The outer layer is the pyloric electric regulating valve 8, the short manifold 9 is located between the model shell and the electric regulating valve, and is close to the pyloric electric regulating valve 8, the short manifold 9 is the sensing part of the pyloric pressure sensor 11, the short manifold 9 It is connected ...

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Abstract

The invention relates to a gastric lavage model. The gastric lavage model comprises a microprocessor, a transparent model shell connected with a pump line by a pressure sensor and an electric control valve, a stomach model inside the shell, an electromagnetic coil array on the external surface of the stomach model, an air pocket and an electric control valve at a cardiac line, an electric control valve at a pyloric line, the pressure sensor inside a manifold and a low-frequency excitation source. Cardiac closure and intra-abdominal pressure on the stomach are simulated by aerating the air pocket and a hollow chamber of the model shell, pyloric action is simulated by opening of the electric control valve, and gastric peristalsis is simulated by movement of a stomach wall of the model driven by various groups of coils which are excitated. A plurality of gastric parameters during gastric lavage simulation and gastric lavage training can be adjusted and the gastric lavage effect can be observed at real time, thus improving simulation degree of the gastric lavage to avoid or reduce gastric injury caused by actual gastric lavage.

Description

technical field [0001] The invention relates to a simulation model device, in particular to a gastric lavage model used for gastric lavage research and simulation load of a gastric lavage machine. Background technique [0002] Gastric lavage is used for clinical gastric lavage of patients, and automatic gastric lavage currently uses a gastric lavage machine. However, the human stomach as the object of gastric lavage still lacks an ideal model so far. In the process of learning and researching gastric lavage, as well as in the design and debugging of gastric lavage machines, some use rigid containers as gastric lavage models, and some use simulation medical teaching models in which the digestive tract does not move or the opening of the pylorus cannot be adjusted. Although the existing gastric lavage models have also achieved certain gastric lavage effects, due to the lack of theoretical basis for the modeling of gastric lavage models, these models do not have the performanc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B23/28
Inventor 孙逊沈怀慈
Owner SHANGHAI INST OF TECH
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