What are the POCT machines | Point of Care Machine

release time:2021-11-11 12:00:59

At present, a large number of hospitals use the general automatic biochemical analyzer. It uses liquid reagents and requires flowing distilled water. And the machine occupies a large area. But it has the advantage of strong batch processing ability. The disadvantage is that it needs to be fixed in the hospital's test room, which is less flexible and cannot produce reports quickly.

On the contrary, the most important feature of POCT machine is "small, fast and non-professional operation". Theoretically, all kinds of blood markers can be detected. However, the most common ones are blood glucose, blood gas, blood coagulation, infectious diseases (viral and bacterial), liver function, kidney function, pregnancy test, urine test, cardiac markers, tumor markers, etc.

Types of POCT machine

1. if according to the identity of the testers can be divided into self-testing/home testing or specialized Professional. the home market mainly includes products for blood glucose, blood pressure, pregnancy, etc. The professional market mainly includes products used in hospital testing departments, clinical departments, emergency departments, ICU, operating rooms, etc. In addition, POCT machine can also be used in disaster relief, military, medical service stations, on-site supervision and law enforcement, food safety control, mobile medical and other scenarios. Its form is more flexible and diverse than large diagnostic machine.

2. According to the items tested can be divided into.

  1. 1) Clinical biochemical (liver function, kidney function, blood gas, ion)
  2. 2) Clinical immunology (cardiac markers, drug testing)
  3. 3) Blood (blood cells, blood coagulation)
  4. 4) Microbiology (infectious diseases, molecular diagnostics), etc. Basically the same as the laboratory
3. If classified according to the presence or absence of instruments (or qualitative/quantitative), they can also be divided into reagent strips (without instruments) and instrument/reagent strip packages. The former is mostly qualitative and the latter is mostly quantitative.

4. If classified according to the principle and platform can be divided into the following.
  1. 1) Dry chemistry: single-layer test paper, multi-layer coating.
  2. 2) Immunology: colloidal gold + immunochromatography/dialysis, fluorescence + immunochromatography, immunoturbidimetry.
  3. 3) Electrochemistry: current method, potentiometric method, resistance method, enzyme electrode.
  4. 4) Chemiluminescence: miniaturized chemiluminescence.
  5. 5) Chromatography: High performance liquid chromatography.
  6. 6) New technology: microfluidic, biochip, liquid chip, etc.
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