腿状物被设定尺寸，这样它们不会与接合处末端交迭，并因此提供了邻近接合处的缝合环的更好的视野。
The legs are sized so that they do not overlap the commissure tips and therefore afford a better view of the sewing ring adjacent the commissures.
目的：探索一个较理想的黏膜环荷包缝合及牵引的方法。
Objective: Discuss a more ideal method of purse string suture and pull of rectum mucosa.
目的评价用器械缝合法和丝线环扎法在肺癌肺切除术时处理支气管残端的优缺点。
Objective To compare staples with sutures for closing bronchi in pulmonary resections for lung cancer.
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