Biopsy needle cleaning process
Dec 20, 2021
Method 1: Rinse, soak enzyme, rinse
1) Separate the puncture needle core and the drainage tube.
2) Rinse the blood in the needle cavity with high-pressure normal water, and soak it in the multi-enzyme solution for 10-20 minutes.
3) Fill the needle cavity with the enzyme solution with a syringe, soak for 10-20 minutes, and then rinse off the enzyme solution with high-pressure normal water.
4) After soaking, rinse with normal water to remove the enzyme solution, rinse off blood stains, fill the needle cavity with enzyme solution, and pass the liquid level when soaking the enzyme.
Method two: ultrasonic cleaning
1) Put the puncture needle with the needle core removed into the instrument basket.
2) Place the instrument basket in the ultrasonic cleaner for 3-5 minutes.
The puncture needle is placed ≥2cm below the liquid surface of the ultrasonic machine, and the water temperature is 40-45°C; the ultrasonic time is 3-5min.
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