What are the cooperation work of bone marrow acupuncture needle puncture?

1 . Select the puncture site: anterior superior iliac spine puncture point, posterior superior iliac spine puncture point, sternum puncture point, lumbar spinous process puncture point. 2 . Take the appropriate body position: those who choose the anterior superior iliac spine puncture should be in the supine position; those who choose the sternum puncture should take the supine position and cushion the back with a pillow; those who choose the posterior superior iliac spine should be in the lateral or prone position; For lumbar spinous process puncture, sit in a sitting position, bend down as much as possible, and bend the head over the chest to expose the spinous process.

  3. The local skin was routinely sterilized. The surgeon wore sterile gloves and a sterile drape, and performed local skin, subcutaneous and periosteal anesthesia with 1% procaine or 2% lidocaine. 4. Fix the fixator of the bone marrow aspirate needle at 1 distance from the needle tip. Use the left thumb and index finger to fix the puncture site at 5cm (for sternum puncture), use the left thumb and index finger to fix the puncture site, and use the right hand to puncture the person vertically. When the resistance suddenly disappears and the puncture needle is fixed in the bone and no longer shakes, it indicates that the needle tip has entered the bone marrow cavity. At this time, the needle core can be pulled out, and a 20ml sterile dry syringe is connected to the puncture needle seat to absorb bone marrow fluid 0.

  Drop 1~0.2ml on the glass slide, and make a uniform sheet immediately. For bacterial culture, another 1.5ml of bone marrow fluid can be drawn, and the needle seat of the syringe and the opening of the medium should be sterilized by the flame of an alcohol lamp. 5. After the specimen is obtained, insert the needle core, pull out the puncture needle, sterilize the puncture site, cover it with sterile gauze, press it locally for 1 to 2 minutes, and cover the puncture point with a sterile dressing.

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