因而，在各种外科手术中使用时，它可以最小化异物反应。

Thus, it can minimize a foreign body reaction when used in various surgical operations.

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结果 90例患者的上消化道异物有86例是经胃镜取出，另外4例是外科手术取出。

Results 90 patients of 86 cases of upper digestive tract foreign body is removed by endoscopy, the other 4 cases is surgical removal.

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