A fecal analysis workstation or fecal analysis system is used for routine testing of laboratory fecal samples, which generally includes four functional modules: sample processing, morphological testing, immunological testing, and waste management. Specimen processing refers to the processing of solid and semi-solid feces into representative application solutions to meet the needs of morphological and immunological testing.Morphological detection refers to the use of a microscope to observe the microscopic morphology of a sample application solution, and colloidal gold reagent card equipment is used for analysis. Let's take a look at the related content together.
Common types include fully automatic microscope systems (which automatically capture images for operators to view) and quasi automatic microscope systems, which allow for manual real-time observation and selective photography. Immunoassay currently generally uses colloidal gold method to qualitatively analyze the application solution of fecal samples. Common fecal colloidal gold testing items with significant clinical significance include occult blood testing, transferrin testing, rotavirus antigen testing, adenovirus antigen testing, Helicobacter pylori antigen testing, etc. The disposal of three wastes refers to controlling waste, improving laboratory environment, exhaust gas, and waste liquid.
The multifunctional fecal analysis workstation has a high degree of automation, which is conducive to reducing the pressure on fecal examination personnel. Can replace manual fecal microscopy and artificial colloidal gold detection, making fecal examination more standardized.
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Detection Principle
The fecal analysis workstation uses dedicated sample collection bottles. After adding, soaking, mixing, and filtering the sample, the small particles or oil containing components to be tested are dissolved in diluted physiological saline and automatically aspirated under the control of a microcomputer console. Under the action of the peristaltic pump, the application solution is automatically sucked in, counted in the standard flow meter cell of the optical flow tube, and detected by the colloidal gold reagent card equipment. The inhalation volume and time of each system are constant. After observation and analysis, the flow counting cell will automatically flush.
The system has a built-in or external biological microscope and a high-definition imaging system. According to optical principles, high-power and low-power fields are used to observe the three-dimensional and planar structures of fecal sediment.
The system automatically detects the placement, addition, sample addition, detection, and interpretation of colloidal gold reagent cards, and automatically discards the colloidal gold reagent cards used in the detection.
The computer data processing system transmits images through an imaging system and then prints a stool detection report using laser, including patient data and examination results (including images). Alternatively, network devices with LIS communication capabilities can be used to meet the needs of bidirectional data transmission.
