Koje mjere opreza treba poduzeti prije aspiracije koštane srži?

① Explain the necessity and safety of the puncture examination to the patient before the operation, and explain the examination method to obtain cooperation.

② Pay attention to aseptic operation and check whether the instruments used are matched.

③ Select the correct site and operate gently. The entire puncture process should be done quickly. After the needle reaches the periosteum through the skin, the needle should be perpendicular to the bone surface, and the needle should be rotated slowly. Do not use excessive force or the tip of the needle slips on the bone surface.

④ The negative pressure should be slowly increased when taking the bone marrow smear. When blood is seen in the syringe, the suction should be stopped immediately to avoid bone marrow dilution. At the same time, those who do other inspections should first take a small amount of bone marrow smear, and then take the bone marrow to send for other inspections (not to be done at the same time). When removing the syringe, insert the needle back quickly to prevent the marrow fluid from spilling out.

⑤ When puncturing the sternum, the puncture angle must be parallel to the manubrium (or the needle handle is inclined at a 75 degree angle to the upper abdomen) to prevent the needle tip from slipping or piercing the posterior cortex of the manubrium.

⑥ When the puncture fails once and needs to be re-punctured, if the puncture needle is stained with blood, the puncture needle should be replaced. Do not rub the needle core on gauze or cotton balls or insert the needle core back and forth into the puncture needle. It is recommended to go to the hospital to find a related, professional doctor for a detailed examination or consultation! To prove the drug ah! !

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