Liver biopsy operation

1. Preoperative preparation, puncture method and PTC.

2. PTC angiography was performed with a 22-gauge fine needle to determine the location and nature of the lesion.

3. According to the results of angiography, a thick, straight and horizontal bile duct was selected for internal drainage intubation.

4. Another puncture point was made from the 8th intercostal area of the right midaxillary line, and a small incision was made on the skin with a sharp knife after local anesthesia. Ask client to stop breathing, under the TV monitor to coarse needle pierced quickly selected bile duct in advance, after the break through into the bile duct was pull out the needle core, to insert the catheter after bile flow smoothly, revolve and changes of direction, take the thread through the obstruction or narrow segment to the distal bile duct or duodenum, exit the puncture needle, with expansion tube expansion channel, The multi-hole catheter was passed through the obstruction end or stenosis segment with the guide wire, so that the lateral hole of the catheter was located above and below the obstruction end or stenosis segment, and the catheter was fixed. After the bile was smoothly discharged from the catheter, the contrast agent was injected into the catheter to make a film.

5. One week after drainage, angiography was performed again to observe the position of catheter and drainage effect.

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