Complete Blood Count (CBC) Device: An Essential Laboratory Tool
What is a CBC Device?
A complete blood count (CBC) device, also known as a hematology analyzer, is a medical laboratory instrument used to measure the various cell components in a sample of blood. It provides a detailed analysis of the different types of cells in a person's blood, including red blood cells, white blood cells, and platelets. This cellular analysis gives doctors important information about a patient's overall health and detects potential illnesses or diseases.
Complete Blood Count Devices Components and Process
A Complete Blood Count Device contains several key components that work together to analyze a blood sample. The main components include an sampler where the blood is drawn in, an electrical impedance system that detects and counts cells, an optical system that uses light scattering to characterize cells, and a microfluidic system that separates cells for analysis.
When a blood sample is loaded into the sampler, it's mixed with reagents to separate out the various cell components. The electrical impedance system then passes the sample through a small aperture where each cell causes a change in electrical resistance as it passes through. This provides cell counts. Meanwhile, the optical system shines lasers and collects light to analyze cellular characteristics like size, structure, hemoglobin concentration, and granularity. Differences in these properties allow identification of cell types.
Lastly, the microfluidic system further separates various cell populations based on size using hydrodynamic forces. This prepares cells for specialized analysis modules tailored to different cell types. Overall analysis and classifications are performed by onboard computers and reported on the device interface in just minutes. The automated process provides highly accurate and consistent results.
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