Bending-adjustable puncture system and puncture method of pulmonary artery atresia of the newborn
A technique for pulmonary arteries and newborns, applied in puncture needles, puncture needles, medical science, etc., can solve the problems of long cardiac operation distance, high risk, and low surgical success rate, and achieve the effect of ensuring the success rate of surgery
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[0016] The present invention is described below based on examples, but the present invention is not limited to these examples.
[0017] The meanings of the orientation terms "near end" and "far end" adopted in the present invention are centered on the heart, the one near the heart is called the near end, and the one far away from the heart is called the far end.
[0018] An adjustable bending puncture system for neonates with pulmonary atresia, comprising: an outer sheath 1 and a puncture needle 2, the outer sheath 1 is placed outside the puncture needle 2, both are flexible and can be bent, the outer sheath 1 and the puncture needle The needle 2 is flexible at least in the middle, preferably the whole section is flexible. Flexibility means manual return to shape after bending. The flexibility of the outer sheath 1 and the puncture needle 2 enables it to be bent, and the bending angle of the outer sheath 1 and the puncture needle 2 can be adjusted. If the initial bending angl...
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