CN111537427A - Urine microscopic examination method and device and urinal - Google Patents

Urine microscopic examination method and device and urinal Download PDF

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Publication number
CN111537427A
CN111537427A CN202010329999.XA CN202010329999A CN111537427A CN 111537427 A CN111537427 A CN 111537427A CN 202010329999 A CN202010329999 A CN 202010329999A CN 111537427 A CN111537427 A CN 111537427A
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urine
sample
counting
counting cell
microscopic examination
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CN202010329999.XA
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Chinese (zh)
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李春林
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Chongqing Defang Information Technology Co ltd
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Chongqing Defang Information Technology Co ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N15/1404—Handling flow, e.g. hydrodynamic focusing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N15/1425—Optical investigation techniques, e.g. flow cytometry using an analyser being characterised by its control arrangement
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N2015/1486—Counting the particles

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  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Dispersion Chemistry (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention provides a urine microscopic examination method, which comprises the following steps: adding a sample into the counting pool, and cutting off two ends of the counting pool when the sample in the counting pool reaches a set amount; when the sample in the counting cell is in a static state, the image of the sample in the counting cell is collected through the image collecting device. By collecting the sample image in a static state, a detection result with higher accuracy can be obtained.

Description

Urine microscopic examination method and device and urinal
Technical Field
The invention relates to the technical field of urine detection, in particular to a urine microscopic examination method, a urine microscopic examination device and a urinal.
Background
Urine is a daily necessary procedure for all people, the urine condition can directly reflect the health conditions of various bodies, the urine can reflect whether diseases such as kidney diseases, lower urinary tract diseases, extrarenal diseases, liver and gall diseases, diabetes and the like exist, and urine detection has a great effect on early detection of the diseases and health condition assessment, and comprises routine urine analysis, detection of visible components in urine (such as urine red blood cells, white blood cells and the like) and the like.
The rapid screening analysis of urine by using a multi-linked biochip, namely urine routine, is a simple, convenient and rapid urine screening method, although the method is rapid and simple, only qualitative and semi-quantitative effects can be exerted due to the methodological limitation, the detection result has false positive and false negative, and the result is influenced by a plurality of factors.
Microscopic examination (referred to as microscopic examination for short) using urine is an important content of urine examination. Urine microscopy can detect cast, cell, crystal, bacteria, and other visible amorphous and amorphous components of microorganisms, parasites, and bacteria in urine.
Generally, a series of processes of registering to a hospital, visiting a clinic, paying a fee, queuing by a clinical laboratory, waiting for a detection report and revising a doctor are required for urine examination, and a great deal of time and energy are required for routine urine examination.
Although the prior art has urine microscopy equipment, when the image of the sample in the counting cell is collected in the prior art, the sample in the counting cell flows, and the image collected by the flowing sample has the problem of poor accuracy in the later data analysis process.
Disclosure of Invention
The first purpose of the invention is to provide a urine microscopic examination method, which can solve the problems of poor accuracy of the conventional urine detection and easy blockage of a counting pool;
a second object of the present invention is to provide a urine microscopic examination device, which performs microscopic examination of urine by using the above method.
A third object of the present invention is to provide a urinal using the urine microscopic examination device as described above.
A urine microscopy method, comprising the steps of:
adding a sample into the counting pool, and cutting off two ends of the counting pool when the counting pool is full of the sample;
when the sample in the counting cell is in a static state, the image of the sample in the counting cell is collected through the image collecting device.
Preferably, a microscopic electromagnetic valve and a cut-off valve which are communicated with the counting cell are respectively arranged at two ends of the counting cell;
and cutting off the two ends of the counting cell by closing the microscopic electromagnetic valve and the cut-off valve.
Preferably, after the two ends of the counting cell are cut off, whether the counting cell or the counting cell communicating pipeline is blocked or not is judged by detecting the pressure in the counting cell or the pressure of the counting cell communicating pipeline.
Preferably, in a microscopic examination period, multiple samples are added into the counting cell, and after each sample addition, images of samples in the counting cell are collected.
Preferably, the counting cell is loaded 18-25 times.
Preferably, in the sample adding process of the counting cell, if the counting cell or the pipeline pressure value communicated with the counting cell is abnormal, the counting cell is reversely washed, and the direction of the reverse washing of the counting cell is opposite to the direction of the sample adding.
Preferably, after the detection is finished, the method further comprises the step of cleaning the counting cell, wherein the cleaning process comprises the forward cleaning and the reverse cleaning of the counting cell, and the two cleaning processes are opposite in the flowing direction of the cleaning liquid.
Preferably, after the cleaning process is completed, it is necessary to evacuate the cleaning liquid from the apparatus through which the cleaning liquid is circulated.
A urine detection device adopts the urine microscopic examination method to perform the microscopic examination of urine.
A urinal comprising a urine detection device as described above.
Has the advantages that:
in the embodiment, when the sample in the counting cell is in a static state, a detection result with high accuracy can be obtained by acquiring a sample image in the static state.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a process flow diagram of a urine microscopy device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a microscopy module according to an embodiment of the present invention.
Description of reference numerals:
100: a urine collection module; 200: a sample pipeline switching module; 300: a sample adding module; 400: a microscopic examination module; 500: a cleaning module;
401: a counting pool; 402: a microscope light source; 403: an image acquisition module; 404: an objective lens; 405: a lens barrel; 406: an image acquisition interface; 407: a base support.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In this embodiment, a urine microscopy method is provided, which includes the steps of:
adding samples into the counting cell, cutting off two ends of the counting cell when the samples in the counting cell reach a set amount,
when the sample in the counting cell is in a static state, the image of the sample in the counting cell is collected through the image collecting device.
Specifically, a microscopic examination electromagnetic valve and a cut-off valve which are communicated with the counting cell are respectively arranged at two ends of the counting cell, and the two ends of the counting cell are cut off by closing the microscopic examination electromagnetic valve and the cut-off valve.
After the two ends of the counting cell are cut off, whether the counting cell is blocked or not is judged by detecting the pressure in the counting cell or in the counting cell communicating pipeline.
And in a microscopic examination period, multiple times of sample adding are carried out in the counting cell, and after each time of sample adding is finished, images of samples in the counting cell are collected. One microscopic examination cycle means that one user urine microscopic examination is completed.
Specifically, the counting cell is loaded 18-25 times, and preferably, the counting cell is loaded 20 times.
In the sample adding process of the counting cell, if the counting cell or the pressure value of the pipeline communicated with the counting cell is abnormal, the counting cell is reversely washed, and the direction of the reverse washing of the counting cell is opposite to the direction of the sample adding.
After the detection is finished, the counting cell is cleaned, the cleaning process comprises forward cleaning and reverse cleaning of the counting cell, and the flowing directions of the cleaning liquid are opposite in the two cleaning processes. After the cleaning process is completed, the cleaning fluid in the equipment through which the cleaning fluid flows needs to be drained. Through the washing of positive and negative two directions, can wash in the counting cell that finishes to and with the remaining sample in the counting cell connection structure. By evacuating the cleaning liquid, the cleaning liquid can be prevented from affecting the detection result.
In order to further explain the urine microscopic examination method, the present embodiment also provides a urine microscopic examination device adopting the method.
As shown in fig. 1 and 2, the urine microscopic examination device includes a microscopic examination module 400 and a backwashing structure, the microscopic examination module 400 includes a microscopic examination solenoid valve, a counting cell 401, a cutoff solenoid valve and an image acquisition module 403, and the backwashing structure includes a blockage removal solenoid valve and a backwashing solenoid valve.
The inlet end of the counting cell 401 is communicated with the outlet end of the microscopic examination electromagnetic valve. The outlet end of the counting cell 401 is communicated with the inlet end of a cut-off electromagnetic valve, and the cut-off electromagnetic valve is communicated with a first valve port of a recoil electromagnetic valve. The image acquisition module 403 is used for acquiring images of the samples in the counting cell 401.
The second valve port of the recoil electromagnetic valve is communicated with the cleaning water pipeline.
The first end of the blockage removing electromagnetic valve is communicated with a connecting pipeline between the microscopic examination electromagnetic valve and the pressure sensor, and the second end of the blockage removing electromagnetic valve and the third valve port of the recoil electromagnetic valve are both communicated with the liquid discharge port.
The blocking solenoid valve and the backflushing solenoid valve are communicated with the drain outlet, that is, the liquid discharged by the blocking solenoid valve and the backflushing solenoid valve can flow into the urinal through the drain outlet.
In the present embodiment, the device can be installed in a urinal, and can complete sampling of urine and perform microscopic examination of the urine.
The device can take a sample automatically, need not artifical sample and the artifical transmission sample of connecing, has higher convenience.
Particularly, after the counting cell is completely filled with the sample, the sample is stopped being conveyed to the counting cell, the microscopic examination electromagnetic valve and the cutoff electromagnetic valve are closed, the sample in the counting cell is in a static state at the moment, and a detection result with higher accuracy can be obtained by collecting a sample image in the static state.
In addition, the automatic washing of the urine detection device can be realized through the arrangement of the blockage removing electromagnetic valve and the back flushing electromagnetic valve, manual washing is not needed, and the device is cleaner, more sanitary and pollution-free.
The microscopy module 400 further comprises a pressure sensor, and the pressure sensor is arranged on a connecting pipeline between the counting cell 401 and the microscopy solenoid valve.
After the microscopic examination electromagnetic valve and the cut-off valve are closed, whether the counting cell is blocked or not can be judged according to the pressure value detected by the pressure sensor, if the pressure value is normal, the counting cell is indicated to be not blocked to meet the condition of image acquisition, and image acquisition is carried out; if the pressure of the pressure sensor exceeds the normal value, the pipeline of the counting cell is blocked and does not accord with the condition of image acquisition, the image acquisition is stopped, and the counting cell is reversely flushed.
The image acquisition module 403 includes a microscope, a microscope light source 402, and a camera. The microscope and the microscope light source 402 are arranged opposite to each other, and the counting cell 401 is arranged between the microscope and the microscope light source 402. The camera is disposed at the microscope image acquisition interface 406.
Specifically, the counting cell 401 is fixed between the microscope light source 402 and the microscope objective 404, so that the bottom surface of the channel inside the counting cell 401 is located at the focal plane of the microscope objective 404. The image acquisition module 403 is fixed on the microscope image acquisition interface 406, and the image acquisition module 403 is connected with the main control board through a data line.
The microscope comprises an objective 404, a lens barrel 405 and an image acquisition interface 406, wherein a microscope light source 402 is arranged on a base support 407 right below the objective 404, a counting cell 401 is fixed between the microscope light source 402 and the objective 404, the objective 404 and the image acquisition interface 406 are connected to the lens barrel 405, and the lens barrel 405 is fixed on the base support 407.
The urine microscopic examination device comprises a urine sampling module 100, a sample pipeline switching module 200 and a sample adding module 300. Urine collection module 100 switches module 200 through the sample pipeline and communicates with application of sample module 300, microscopic examination module 400, and sample pipeline switches module 200 and selectively leads the sample water conservancy diversion that urine collection module 100 gathered to application of sample module 300 and/or microscopic examination module 400.
Urine collection module 100 includes urine collection module includes the through-flow pump, and the entrance point of through-flow pump passes through the tube coupling sample collection end, and the exit end and the sample pipeline of through-flow pump switch the module intercommunication.
The collecting end is a filter head, the urine sample is collected through the filter head, and the collected sample is output to the sample pipeline switching module by the direct current pump. The straight-flow pump is specifically a straight-flow peristaltic pump.
The sample pipeline switching module 200 includes a sample buffer tank, a sample adding pump and an overflow pipe. The entrance point in sample buffer memory pond and urine collection module's exit end intercommunication, the exit end in sample buffer memory pond and the entry end intercommunication of application of sample pump, overflow mouth and overflow pipe intercommunication on the sample buffer memory pond.
The application of sample pump is wriggling application of sample pump, and the pipeline that application of sample pump outlet end is connected divide into two the tunnel, and first road communicates with the application of sample solenoid valve of application of sample module 300, and the second road communicates with the entry end of microscopic examination solenoid valve. The overflow pipe is communicated with the liquid outlet. Through the opening and closing of the sample adding electromagnetic valve and the microscopic examination electromagnetic valve, samples can be selectively conveyed to the sample adding module or the microscopic examination module.
The urine detection device further comprises a cleaning module 500, wherein the cleaning module 500 comprises a tap water pressure reducing valve, the inlet end of the tap water pressure reducing valve is connected with a tap water pipeline, and the outlet end of the tap water pressure reducing valve is communicated with a cleaning water pipeline.
The cleaning module 500 also includes a 1 in, 2 out shunt valve and a collector cleaning spray head.
The 1-inlet and 2-outlet shunt valve comprises a Z port, an N port and an H port, the Z port is communicated with the outlet end of a tap water pressure reducing valve, the N port is communicated with a collector cleaning sprayer, the collector cleaning sprayer is used for cleaning a sample collecting end, and the H port is communicated with a sample caching pool of a sample pipeline switching module.
In order to further structure the urine microscopic examination method, the present embodiment further provides a specific detection process of the urine microscopic examination device using the method, which is specifically as follows:
urine microscopic examination is carried out after the routine detection of urine is finished by adding sample of biochip, at this moment, the main control board sends out signal to DC power control board (the main control board and the DC power control board are both conventional devices, the control mode is also conventional mode), the DC power control board controls the microscopic examination electromagnetic valve and the cut-off valve to be powered on, the normally closed end of the microscopic examination electromagnetic valve is communicated with the input end of the pressure sensor, the cut-off valve is communicated, the main control board sends out signal to the motor driver, the motor driver controls the peristaltic sample adding pump to rotate forwards to make the sample flow through the microscopic examination electromagnetic valve, the pressure sensor, the counting cell 401, the cut-off valve, the input end (first valve port) and the normally open end (third valve port) through pipelines, the drain pipeline is finally discharged into the urinal drain outlet, the main control board sends out signal to the DC power control board when the counting cell 401 is completely filled with sample, the peristaltic sample adding pump is powered off, the microscopic examination electromagnetic valve is powered off, the cut-off valve is powered off, the front and the back of a specimen in the counting cell 401 are cut off and are in a static state at the moment, when the pressure of a pressure sensor positioned on the input side of the counting cell 401 is normal, the main control board sends a control signal to the image acquisition module 403, the image acquisition module 403 is controlled to photograph and transmits the collected image to the main control board through a data line, the main control board sends a signal to the DC power supply control board and the motor driver after photographing, the DC power supply control board controls the microscopic examination electromagnetic valve and the cut-off valve to be powered on, the microscopic examination specimen circulation pipeline is conducted, the motor driver controls the peristaltic sample adding pump to rotate forwards for a certain number of steps and then to be powered off, so that the specimen in the counting cell 401 flows (namely, a new specimen under a microscope is replaced), the main control board sends a signal to, the process of keeping the specimen still, photographing and replacing a new specimen is circulated repeatedly for 20 times, 20 different specimen pictures are collected, the pictures are immediately transmitted to a main control board after each photographing, and the main control board transmits the pictures to a server through WIFI or a mobile network; if the pressure sensor pressure exceeds the normal value during the above cycle, it indicates that the counting cell 401 channel may be blocked, when the ultrahigh pressure is detected, the main control board sends a signal to the DC power control board, the DC power control board controls the microscopic examination electromagnetic valve to be powered off, the recoil electromagnetic valve to be powered on, the block valve to be powered on and the block valve to be powered on, so that a sample loading channel is blocked, clean tap water passes through a normally closed end (a second valve port) and an input end (a first valve port) of the recoil electromagnetic valve, the block valve, an outlet of the counting cell 401, an inlet of the counting cell 401, the pressure sensor and the block valve to reversely flush the counting cell 401, substances in the counting cell 401 and the pipeline are discharged out of the pipeline through the block valve, the recoil electromagnetic valve and the block valve are closed after the recoil is finished, the microscopic examination procedure is continuously executed again, and the shooting process is circulated until the shooting process is finished for 20. After the photographing is finished, the main control board sends signals to the DC power supply control board and the motor driver, the DC power supply control board controls the Z ends of the inlet shunt valve and the outlet shunt valve of the 1 inlet shunt valve and the 2 outlet shunt valve to be conducted with a tap water pressure reducing valve, the direct current peristaltic pump rotates reversely, the motor driver controls the peristaltic sample adding pump to rotate forwardly, the cleaned tap water enters the cache pool through the inlet shunt valve and the outlet shunt valve of the 1 inlet shunt valve and the 2 outlet shunt valve, the cleaning water passes through the C end of the cache pool and is discharged after flowing out by the direct current peristaltic pump in a reverse direction through the constituent devices of the urine collection modules such; meanwhile, cleaning water is pumped out by a peristaltic sample adding pump through the J end of the buffer tank, flows through a sample adding module structure such as a sample adding electromagnetic valve and a pipeline, and is discharged into a liquid outlet of the urinal, so that the cleaning of the sample adding module is completed. After the above parts are cleaned, the main control board sends signals to the DC power control board and the motor driver to control the direct current peristaltic pump to be powered off, the microscopy electromagnetic valve to be powered on and the block valve to be powered on, the cleaning water is pumped out by the peristaltic sample adding pump through the J end of the buffer tank, flows through the microscopy electromagnetic valve, the pipeline, the pressure sensor, the counting tank 401 and the block valve, and is discharged into the urinal from the normally-on end of the recoil electromagnetic valve, the cleaning completion main control board sends signals to the DC power control board to control the microscopy electromagnetic valve to be powered off, the recoil electromagnetic valve to be powered on and the block valve to be powered on, the cleaning water flows into the block valve, flows into the counting tank 401 from the recoil electromagnetic valve, flows through the block valve from the pressure sensor and is discharged into the urinal to complete the reverse cleaning of the counting tank 401 and the cleaning of the block pipeline, after the reverse cleaning is completed, the direct-current peristaltic pump rotates forwards, the cleaning water is cut off, and residual cleaning water in the urine collection module, the buffer pool and the sample adding module is drained; after draining, the main control board sends signals to the DC power supply control board and the motor driver to control the direct-current peristaltic pump to be powered off and the microscopic examination electromagnetic valve to be powered on, and the peristaltic sample adding pump is used for discharging cleaning water in the microscopic examination pipeline and the counting cell 401; after the counting cell 401 is drained, the main control board sends a signal to the DC power control board to control the power-on of the drain plug valve, the power-off of the recoil electromagnetic valve and the power-off of the block valve, the drain plug valve and the pipeline are drained by the peristaltic sample adding pump, after the drain is drained, the main control board sends a signal to the motor driver and the DC power control board to control the power-off of the peristaltic sample adding pump, the power-off of the microscopic examination electromagnetic valve and the power-off of the drain plug valve, and the cleaning process is finished.
In the present embodiment, there is also provided a urinal which employs the urine microscopic examination device as described above.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A urine microscopic examination method is characterized by comprising the following steps:
adding a sample into the counting pool, and cutting off two ends of the counting pool when the sample in the counting pool reaches a set amount;
when the sample in the counting cell is in a static state, the image of the sample in the counting cell is collected through the image collecting device.
2. The urine microscopic examination method according to claim 1, wherein a microscopic examination electromagnetic valve and a block valve which are communicated with the counting cell are respectively arranged at two ends of the counting cell;
and cutting off the two ends of the counting cell by closing the microscopic electromagnetic valve and the cut-off valve.
3. The urine microscopy method according to claim 1, wherein after the both ends of the counting chamber are cut off, the presence of clogging in the counting chamber or in the conduit communicating with the counting chamber is determined by detecting the pressure in the counting chamber or in the conduit communicating with the counting chamber.
4. The urine microscopy method of claim 1, wherein the sample is applied multiple times within the counting chamber during a microscopy cycle, and an image of the sample within the counting chamber is acquired after each application of the sample.
5. The urine microscopy method according to claim 4, wherein the counting cell is loaded 18 to 25 times.
6. The urine microscopic examination method according to claim 1, wherein in the sample adding process of the counting cell, if the pressure value of the counting cell or a pipeline communicated with the counting cell is abnormal, the counting cell is back-washed in a direction opposite to the sample adding direction.
7. The urine microscopy method according to claim 1, further comprising cleaning the cuvette after the completion of the examination, wherein the cleaning process comprises a forward cleaning and a reverse cleaning of the cuvette, and the cleaning solution flows in opposite directions.
8. The urine microscopy method of claim 7, wherein after the washing process is completed, the washing liquid in the apparatus through which the washing liquid is circulated needs to be drained.
9. A urine testing device characterized in that urine is microscopically examined by the urine microscopic method as claimed in any one of claims 1 to 8.
10. A urinal comprising the urine detection device according to claim 9.
CN202010329999.XA 2020-04-24 2020-04-24 Urine microscopic examination method and device and urinal Withdrawn CN111537427A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010329999.XA CN111537427A (en) 2020-04-24 2020-04-24 Urine microscopic examination method and device and urinal

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Application Number Priority Date Filing Date Title
CN202010329999.XA CN111537427A (en) 2020-04-24 2020-04-24 Urine microscopic examination method and device and urinal

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CN111537427A true CN111537427A (en) 2020-08-14

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CN202010329999.XA Withdrawn CN111537427A (en) 2020-04-24 2020-04-24 Urine microscopic examination method and device and urinal

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Application publication date: 20200814