Full-automatic excised skin percutaneous resistance measuring device

Abstract

The invention provides a full-automatic excised skin percutaneous resistance measuring device comprising an electrolytic tank platform equipped with multiple electrolytic tanks. The bottom of each external electrolyte pipe in the electrolytic tanks is communicated with an injection and exhaust pump and an electrolyte bottle through a solenoid valve. The movable top cover of an internal electrolyte pipe is installed on the top opening of each external electrolyte pipe. Excised animal skin is fixed to the bottom of the internal electrolyte pipe by a skin snap ring. An electrode lifting platform provided with an internal electrode and an external electrode are correspondingly installed over the electrolytic tank platform. An operation control circuit controls a lifting driving assembly to drive the electrode lifting platform to move up and down in order that the internal electrode and the external electrode are inserted into electrolyte. An accurate resistance measuring circuit measures the excised animal skin in each electrolytic tank. Measured percutaneous resistance data is stored by a data output and storage circuit and output to a display and a printer. The full-automatic excised skin percutaneous resistance measuring device solves a problem of detecting the percutaneous resistance of the excised animal skin fully automatically, fast, accurately, and standardly.

Description

technical field [0001] The invention relates to a fully automatic isolated skin percutaneous resistance measuring device. Background technique [0002] Corresponding experiments are often required in the identification and scientific research of skin irritation and corrosion in modern times. In the past, most of the experiments were carried out with live animals, but now less and less live animal experiments are used, and more attention is paid to the use of isolated animals. Skin irritation and corrosion and other alternative methods experiments, the isolated animal skin is fixed and its transdermal resistance value is measured to distinguish the irritation and corrosion of the skin; the method currently used for the measurement of the transdermal resistance of the isolated animal skin Many, after the skin is fixed, use a multimeter, DC bridge or AC bridge to measure manually, because the electrolyte solution is used as the medium during the measurement, which will easily c...

AI Technical Summary

Problems solved by technology

[0005] The beneficial effects of the present invention are: a fully automatic isolated skin percutaneous resistance measurement device has been developed, which avoids the problems of inaccurate measurement, slow single measurement speed and contamination of operators due to the traditional measurement method of manual operation, and can be used in batches. Automatically control the measurement of transdermal resistance of isolated skin, which fundamentally solves the problem of fully automatic, fast, accurate, standard, and batch detection of transdermal resistance of isolated animal skin in scientific research and experiments, and is widely used in skin irritation and corrosion tests

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