胃丝 gastric filament，gastral filament 为从钵水母胃腔内隔膜生出的成排的丝状体。与珊瑚水螅体的隔膜丝（mesenteric filament）为同样的构造。
把胃空肠吻合术导管套在导丝上，向前推送穿过胃部，进入十二指肠，推送的距离应当足够，能够使锁定环在胃内成形。
Advance the gastrojejunostomy catheter over the wire guide through the stomach and into the duodenum, advancing far enough that the locking loop is formed within the stomach.
在最常见的情况下，导丝会盘曲在胃底，然后才会进入胃窦。
Most commonly, the wire guide coils in the fundus and then exits to the antrum.
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