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... room and heard a slightly helpless voice:
"Teacher, let me remind you again. Our entire operation process is divided into several steps: positioning, injection, needle drawing, closing and locking."
"Because the Perclose vascular stapler does not have a J-type guide wire, we can choose the J-type guide wire in the puncture catheter sheath assembly... Control the strength, hold the needle handle, and push the delivery rod along the blood vessel... Right, right, alas, don't be so har ...
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