How to position waist needle?

Third or fourth lumbar interspace puncture is recommended. 2. Anesthesia before lumbar puncture is the key: it is recommended to use disposable syringe anesthesia. Because the needle is longer than the one in the bag. You can try it on again and again, and you can tell your family that it doesn't hurt to wear more anesthetic. Then you choose a puncture direction. If the anesthetic needle meets resistance, it indicates that the puncture direction is wrong and may touch the vertebrae. Puncture in another direction will not be suspicious at this time, and the patient's family members will think that you are still giving anesthesia. If you get the needle all the way through, you're going in the right direction. Of course you have to be careful not to break the needle at the base. At this time, you should draw the puncture direction with your finger, pull out the anesthetic needle, and Pierce the needle into the waist according to this direction. Most of the puncture can be successful at one time. If there is still resistance, let the patient bow the body again, and the needle can be pierced.

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