метод на перитонеална пункция
Mar 24, 2022
(1) Before the operation, the manikin should be urinated in the correct position to prevent puncture and damage to the bladder; let the manikin sit on the back chair (for the weak, other appropriate positions such as semi-recumbent, supine or lateral position can be used) ). (2) Selection of puncture point Correctly choose the appropriate puncture point: ①The intersection of the middle and outer 1/3 of the line connecting the left lower quadrant umbilicus and the anterior superior iliac spine, where it is not easy to damage the abdominal wall arteries; ②The upper part of the midpoint of the line connecting the umbilicus and the pubic symphysis is 1.0 cm, 1.5 cm to the left or to the right, where there are no vital organs and easy to heal; ③ lateral position, at the intersection of the horizontal line of the umbilicus and the extension of the anterior or midaxillary line, this is often used for diagnostic puncture; (3 ) disinfection, local anesthesia operation is correct and routine disinfection. Wear sterile gloves, spread a sterile drape, and apply 2 percent lidocaine from the skin to the parietal peritoneum for local anesthesia. (4) Correct puncture operation. Measure blood pressure before puncture. Fix the skin at the puncture site with the left hand, hold a 20ml or 50ml syringe with the right hand, pierce the skin through the anesthesia and anesthetize the needle, pierce the abdominal muscle at a 45-degree angle, and then pierce the abdominal cavity at a vertical angle to the abdominal wall. Pinhole site, and hold the pinhole for 3 minutes to prevent leakage of ascites, add butterfly tape to fix, and cover with gauze. If a large amount of fluid is discharged, an abdominal band should be added to press the bandage.
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