方法：采用不锈钢金属杆制成推结器应用于腔镜手术中，即可用于内圈套扎，又能用于腔内缝合腔外打结。
Methods: The self-made knot pusher made of stainless steel can be used to ligate inner ring and suture incorporeal knot extracorporeal.
方法：采用不锈钢金属杆制成推结器应用于腔镜手术中，即可用于内圈套扎，又能用于腔内缝合腔外打结。
Methods: The self-made knot pusher made of stainless steel can be used to ligate inner ring and suture incorporeal knot extracorporeal.
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