Intelligent gastric lavager

A gastric lavage machine, intelligent technology, applied in the direction of enema/irrigator, infusion set, etc., can solve the problems of low control precision and low intelligence, and achieve the effect of improving intelligence and control precision

Inactive Publication Date: 2009-04-15
UNIV OF SHANGHAI FOR SCI & TECH
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0003] Aiming at the problems of low intelligence and low control precision of the existing gastric lavage machine, the present invention proposes an intelligent gastric lavage machine, which samples and measures multiple time-varying parameters in the external pipeline, and uses the neural network in the microprocessor to The program comprehensively analyzes it and accurately calculates the current gastric lavage status

Method used

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Embodiment Construction

[0010] Such as figure 1 The structural block diagram of the intelligent gastric lavage machine shown in the gastric lavage machine is a sewage tank 6 and a liquid medicine tank 16 installed horizontally, each cylinder has a piston 5 and 17, and force sensors 2 and 20 are installed on the vertical piston rod of each piston. The piston rod is controlled by the motor to move the transmission mechanism 1 and can move up and down respectively; the two pistons 5 and 17 have through holes, above which are sealed sensor covers 3 and 19, and the liquid level sensors 4 and 18 are installed on the sensor cover. In the cover 3 and 19, measure the liquid level height directly below it; the projection center of the liquid level sensor 4 at the bottom of the tank and the center of circle of the mouth of the sewage tank 6 in the sewage tank 6 are located at two ends of a diameter at the bottom of the tank, and the liquid medicine tank 16 liquid The center of projection of the position sensor ...

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Abstract

The invention relates to an intelligent paunch flusher, wherein force sensors are arranged on piston rods of a liquid medicine cylinder and a sewage cylinder which are driven by a driving mechanism of a motor; liquid level sensors are arranged inside sensor covers above the piston rods of two cylinder bodies; the liquid medicine cylinder can select to be communicated with a liquid medicine bucket or a gastric tube through switching of a valve; the sewage cylinder can select to be communicated with a sewage bucket or a sampling cylinder; an inlet of the sampling cylinder is communicated with the gastric tube, and two outlets of the sampling cylinder are selected to be connected with the sewage cylinder through switching of the valve; a pH sensor is arranged inside the sampling cylinder; and a turbidity sensor for measuring the turbidity of a sample is arranged on a support of the sampling cylinder. Various sensors output parameters during the process of gastric lavage; and the parameters are combined with necessary circuit sampling values and subjected to sampling analysis of a microprocessor, and treatments of normal gastric lavage, pipeline blockage alarm, back pressure drainage blockage, failure alarm or prompt of the ending of gastric lavage are performed, so that the intelligence and the control precision of the prior paunch flusher are improved.

Description

technical field [0001] The invention relates to a medical device, in particular to an intelligent gastric lavage machine for adults. Background technique [0002] Gastric lavage machine is used for clinical gastric lavage of patients who eat certain foreign bodies, poisonous drugs, poisonous food, or gastric lavage before surgery, and can be used as first aid equipment. But the intelligent degree of gastric lavage machine is still lacking at present. Some gastric lavage machines use air pressure to control the rubber membrane to suck out the stomach contents and inject the gastric lavage liquid into the stomach during the gastric lavage process. However, the flow rate of the gastric content, which is mainly composed of solid and liquid phases, is a non-periodic nonlinear time-varying function, resulting in the balance of the total liquid volume of gastric lavage, which needs to be manually observed before the liquid volume balance operation; some use stepping motors to driv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M3/02
Inventor 孙逊张仁杰李桂花
Owner UNIV OF SHANGHAI FOR SCI & TECH
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