Collaborative application of bullet gun type and threaded needle type lung puncture needles in clinical practice

In clinical diagnosis of lung masses, percutaneous lung biopsy is often used. Under the guidance of CT, our two sets of puncture needles are used in concert, which improves the positive rate of diagnosis. Both biopsy needles are passed through the threaded puncture needle outer tube into the chest, which reduces repeated punctures. Complications. Methods Under conventional CT, the closest vertical distance to the tumor is selected as the puncture point. First, a threaded fine needle is used for sampling and the overtube needle is retained. The bullet gun type puncture needle is passed through the cannula to approach the lesion for sampling. Conclusion Two sets of puncture needles The cooperative application improves the success rate of puncture, avoids the adverse reactions of repeated thoracentesis, combines the advantages of the two methods, and increases the positive rate; it reduces the excessive X-ray irradiation caused by repeated positioning, which is worthy of promotion.

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