目的研究记忆合金自体膨胀支架，治疗高位食管狭窄的方法和措施。
Objective To study treatment methods of high position of esophageal stenosis with self-expanding metal stent.
目的评价记忆合金内支架治疗食管及贲门部良恶性狭窄的效果。
Objective To evaluate the effect of memory alloy stent in the treatment of benign and malignant stricture of esophagus and cardia.
目的探讨镍钛记忆合金支架在食管癌性梗阻、食管吻合口狭窄、吻合口瘘、贲门失弛缓症中的临床应用价值。
Objective To study the clinical application of self-expanding nitinol stent in benign and malignant esophageal obstruction as well as in postoperative anastomotic stenosis and anastomotic leakage.
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