precut

precut fillet of fish; precut construction materials.

预先制的鱼片；预制的建造材料

Techniques to resolve the difficult cannulation cases include tapered tip catheter, guide wire, papillotome, and precut endoscopic papillotomy (EPT).

对于较困难之病例，尖细型管子，导引线方法，电刀及内视镜乳突先前开术乃解决方法。

Various methods (including standard EST, wire-guided EST, precut papillotomy and needle knife papillotomy &fistulotomy) were used.

所有的括约肌开术初始约以标准型电刀为之，若无法顺利插管进入总胆管，便改为「导线引导括约肌开术」。