Procedure of kidney puncture

Specific procedures: After urination, the patient was prone on the examination table, with a pillow with a diameter of 10-15cm and a length of 50-6-cm on the abdomen. The kidney was pushed to the dorsal side for fixation, the arms were extended forward, and the head was tilted to one side. Generally, the right lower kidney is selected as the puncture point, with the puncture point as the center, the back skin is disinfected, and sterile towels are spread. The sterile B-ultrasound probe was imaged with local anesthesia using 1-2% lidocaine. A 10cm intracardiac needle was inserted vertically into the renal sac from the puncture point, and a small amount of local anesthesia was injected. The puncture needle was vertically inserted into the renal sac, and the upper and lower levels of the kidney were observed to move with respiration. When the lower pole of the kidney moved to the best puncture position, the patient was left breathless. The puncture needle was immediately and quickly inserted into the kidney for 2-3cm, and the puncture needle was removed, and the patient was instructed to breathe normally. Check whether the kidney tissue was taken and measure its length. After observing more than 5 glomerulus under anatomic microscope, send light microscope, electron microscope and immunofluorescence. Repeat the above steps if there is no kidney tissue. 2-3 times is advisable commonly.

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