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An in vitro experimental model and experimental method that can be used to observe the filling state of venous malformations

An experimental method and experimental model technology, applied in teaching models, educational tools, instruments, etc., can solve problems affecting the reference value of clinical treatment, etc., and achieve the effect of simple structure and simple operation of simulation experiments

Active Publication Date: 2018-05-04
SHANDONG UNIV QILU HOSPITAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing venous malformations use plastic tubes with a diameter of less than 12mm that are empty or filled with still water, which is significantly different from the actual state and situation of venous malformations, and there are differences between experimental results and objective reality, thus seriously affecting clinical outcomes. The reference value of treatment

Method used

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  • An in vitro experimental model and experimental method that can be used to observe the filling state of venous malformations
  • An in vitro experimental model and experimental method that can be used to observe the filling state of venous malformations
  • An in vitro experimental model and experimental method that can be used to observe the filling state of venous malformations

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Such as figure 1 As shown, the in vitro experimental model that can be used to observe the filling state of venous malformation includes a liquid reservoir 1, and the bottom of the liquid reservoir 1 communicates with the liquid flow tube I2. The flow tube II4 is connected, and a flow rate control switch 5 is provided on the liquid flow tube II4; the liquid reservoir 1 is fixed on the bracket 10, and the bracket 10 is fixed on the base 6, and is set at the position corresponding to the expansion part 3 in the middle of the bracket 10 The camera 7 is located on one side of the expansion part 3, and photographs and records the filling state of the expansion part 3; the side wall of the expansion part 3 is provided with an opening 8, and the opening 8 is sealed by a sealing element.

[0035] The expansion part 3 is a hollow tubular structure. And the expansion part 3 can be a circular tube structure with equal cross-section or a tubular structure with variable cross-secti...

Embodiment 2

[0041] On the basis of Embodiment 1, a speed-regulating pump 9 is provided between the liquid reservoir 1 and the liquid flow pipe I2, and the speed-regulating pump 9 is connected with a power device such as a motor; by setting the speed-regulating pump, another method can be used. Precisely control the flow rate of the liquid.

Embodiment 3

[0043] The base and support in Example 1 are not provided, and the entire device is changed from vertical to horizontal in Example 1. The liquid reservoir 1, liquid flow tube I2, expansion part 3, and liquid flow tube II4 are all on the same plane Inside, a speed-regulating pump 9 is set between the liquid reservoir 1 and the liquid flow pipe I2, and the speed-regulating pump 9 is connected with a power device such as a motor; the flow rate of the liquid is precisely controlled by the speed-regulating pump.

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Abstract

The invention discloses an in-vitro experimental model used for observing a venous malformation filling state and an experimental method. The in-vitro experimental model comprises a liquid storage device; the bottom of the liquid storage device is communicated with a liquid flowing pipe I; the lower part of the liquid flowing pipe I is provided with a bulge; the lower part of the bulge is communicated with a fluid flowing pipe II; the fluid flowing pipe II is provided with a flow rate control switch; a camera is arranged above the bulge; an opening is formed at one side portion of the bulge; and the opening is sealed by a sealing component. The experimental model of the present invention has the advantages of structural simplicity and simplicity in simulation experimental operation. With the experimental model adopted, the condition and treatment result of a venous malformation can be simulated more authentically. With the experimental method of the invention adopted, blood flowing and the treatment condition of a bubble hardening therapy at the venous malformation can be simulated, and a theoretical basis can be provided for the realization of the treatment of the venous malformation.

Description

technical field [0001] The invention relates to an in vitro experimental model and an experimental method which can be used to observe the filling state of venous malformation. Background technique [0002] Venous malformation is one of the common clinical vascular diseases. It is a vascular malformation composed of venous components. It is the abnormal proliferation of vascular endothelial cells, which causes abnormalities in the shape and structure of blood vessels. Clinically, it often manifests as swelling of vascular lesion sites. , swelling, and often accompanied by pain, and even ulcers, bleeding, if it occurs on the face, it can lead to abnormal facial shape and color, affecting the appearance. [0003] Foam sclerotherapy is the main method for treating malformations at present. Foam sclerotherapy is to mix the medicine and gas in a certain proportion through a syringe, form a drug foam and inject it into the vascular cavity, and then discharge the vascular malformat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09B23/28
CPCG09B23/28
Inventor 刘少华徐杰陈安威王涛
Owner SHANDONG UNIV QILU HOSPITAL
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