Steps and precautions of using arterial needle
Jun 16, 2021
Arterial blood gas needle tube strict fixed needles to prevent the acquisition of the arterial blood full needle loosening caused by risk, blood collection needles are compared.in high molecule density and double sealed pintle effectively prevent blood gas sample gas exchange with the outside world Blood before we can preset test need blood, make the artery puncture easy operation safety Avoid blood waste The pore at the back end of the syringe is designed to form a unique automatic exhaust device, which can quickly and safely automatically discharge the residual gas inside the syringe under the action of arterial pressure, so as to avoid the interference of dead chamber gas on the detection results of arterial blood gas.
1. Remove the arterial blood sampling needle from the sterile package.
2. Remove the cap of the arterial needle and place it in a proper position.
3. Turn the needle cap outward.
4. Push the core bar forward to the zero scale and draw back the preset to the required scale.
5. The arterial blood collection needle should be lowered to puncture at 45 to 90 angles.
6. Fill sample with preset scale under arterial pressure.
7. After sample collection, pull out the needle tip of the arterial blood collection needle and press the puncture point with gauze for at least 5 minutes to prevent bleeding.
Points for Attention in Use:1. Do not use if the protective cap has come loose or fallen off.
2. For personal safety, do not reuse the needle.
3. Do not share the same needle with others to prevent cross-infection.
4. Fixed problem of blood collection needle: press the connecting tube with little finger or stick the tape at one third of the connecting tube. If conditions permit, the tip of the blood collection needle should enter the blood vessel as far as possible.
5. Bullet tube problem: to prevent bullet tube, one hand holds the blood collection vessel and the other hand holds the end of the blood collection needle.
6. Problem of blood collapse: Gently press the puncture point behind the cotton swab or needle to prevent the occurrence of blood collapse.
7. Occasionally, the blood flow velocity is very slow in the process of use, which may be due to insufficient negative pressure of the vacuum sampling vessel, the patient's blood density and low blood pressure, and the vessel wall blocking the pinhole of the blood collection needle.

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