Biological tissue dehydrator capable of automatically detecting leakage of liquid delivery system

Abstract

The invention discloses a biological tissue dehydrator capable of automatically detecting leakage of a liquid delivery system, and belongs to the technical field of medical instruments. The biological tissue dehydrator comprises a controller having a timing function, a dehydration reaction cylinder having a heating function, and a dual-purpose positive / negative-pressure vacuum pump, wherein a liquid inlet / outlet and a gas inlet / outlet are formed in the dehydration reaction cylinder; the outer end of the liquid inlet / outlet of the dehydration reaction cylinder is connected with a rotating valve A and a rotating valve B via a pipeline. The biological tissue dehydrator is characterized in that a pressure sensor A is arranged on the inner sidewall of the dehydration reaction cylinder; a pressure sensor B is arranged on the inner wall of the pipeline for connecting the outer end of the liquid inlet / outlet of the dehydration reaction cylinder with the rotating valve A and the rotating valve B. The biological tissue dehydrator can automatically detect leakage of liquid among the dehydration reaction cylinder of the biological tissue dehydrator, a container, the rotating valves, the pipeline and ports, thereby improving the normal working reliability of the biological tissue dehydrator, and overcoming the defects that nonscheduled manual inspection of liquid leakage is labor-consuming, time-consuming and non-timely.

Description

technical field [0001] The invention belongs to the technical field of medical devices, and in particular relates to a biological tissue dehydrator with the function of automatically replenishing medicinal liquid. Background technique [0002] The biological tissue dehydrator is used to dehydrate the biological tissue when making biological tissue samples. In this process, it is necessary to transport the water in the tissue and the non-tissue itself into the dehydrating tank with dehydrating agent, clearing agent and paraffin. of any tiny dirt and substances, then dipped in wax. It requires multiple dehydrating agent storage buckets for storing dehydrating agent from low to high concentration, multiple clearing agent storage buckets for storing clearing agent from low to high concentration, multiple paraffin storage buckets for storing different temperatures, waste liquid buckets through pipes, The rotary valve is connected with the dehydration reaction tank. Therefore, t...

AI Technical Summary

Problems solved by technology

Therefore, the entire liquid medicine delivery system has many containers, many pipes, and many interfaces, and the probability of liquid medicine leakage is also high.

However, the biological tissue dehydrator of the prior art can only rely on manual irregular inspections for the leakage of the liquid medicine between the container, pipeline, and interface, such as the publication number: CN 105372110A "a biological tissue dehydrator", publication number: CN 104330289A "A Double-cylinder Vacuum Biological Tissue Dehydrator and Its Dehydration Method" and other technical solutions for biological tissue dehydrators can only rely on manual irregular inspection of the liquid medicine leakage in the entire liquid medicine delivery system

It is not only labor-intensive and time-consuming to rely on manual inspection of liquid leakage from time to time, but it is also difficult and impossible to find liquid leakage in time. As a result, the normal work of the biological tissue dehydrator is often interrupted, which delays the dehydration of biological tissue, and thus delays the doctor's preparation of biological tissue samples. Timely Diagnosis of Patient's Condition

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