How To Use The Lancet Needle?

How to use the lancet needle?

1. Subcutaneous blood collection needle: After disinfection of the skin at the puncture site, the finger is used to pierce the subcutaneous tissue with the subcutaneous blood collection needle, generally at a depth of 1-3mm (depending on the patient’s age, skin, and tissue location), and then punctured by squeezing with fingers Squeeze out a drop of blood (not make it drip), use a negative pressure ball to suck it into the capillary pipette, and then transfer it to the specimen pool or glass slide of the testing instrument for scrape coating and staining inspection; during use, note: one person , One injection, one disinfection, one waste disposal;

2. Venous blood collection needle: select the appropriate superficial vein, local disinfection; tie the cuff (note: it is not a tourniquet, and it is never a blood removal belt); choose different blood collection needles according to the age of the patient and the number of specimens collected: ( For single-tube or three-tube or less, pen needles should be selected); for elderly, children who do not cooperate or with thin blood vessels, you can choose split type; the diameter of the puncture needle of the blood sampling needle should not be less than 0.7mm, otherwise it is easy to cause blood cells to break and appear "Hemolysis"; after use, the lancet should be discarded in a special waste box for disposal. Resolutely achieve: one person, one injection, one disinfection, and one waste disposal;

3. Arterial blood collection needle: (should be an arterial blood collection device): strict disinfection means, perform arterial puncture; prepare to pressurize the dressing material; after successful arterial puncture, the syringe piston will be pushed back by the arterial pressure, and the arterial blood will be perfused quickly Such as in a syringe barrel; after reaching the predetermined dose, quickly pull out the puncture needle while puncturing the artery with pressure to stop bleeding. Immediately after pulling out the needle, pierce the puncture needle into the sealant block. Then the arterial blood sample was quickly sent to the testing room for testing.

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