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During intravenous injection, blood vessels may be difficult to be found which causes lots of inconvenience for the treatment of children, obesity, the elder and frail patients etc. Many times puncture not only pains to the patients, but also bring pressure to medical staffs, may induce the conflicts between doctors and patients. PL 800 Vein Imaging Instrument can assist medical staffs during intravenous injection to discover and judge the position & direction of the subcutaneous blood vessels; especially for the blood vessels which are difficult to be found by traditional way , so that improve the success rate of puncture .
The infrared light as kind of invisible light widely exists in nature; Such as sunlight, heater etc. Hemoglobin in the blood absorbing infrared light is different from other organizations; Hemoglobin in subcutaneous blood vessels will absorb more infrared light, while absorption by other organizations are less, so that we can distinguish the blood vessels and other organizations in infrared images . Infrared image is taken by infrared camera, after optimization and highlighting the color & shape by professional image processing software,then output the pictures on the screen, we can clearly see the subcutaneous vascular distribution, location, direction, etc.