The field test shows that the performance of new valve is up to grade.

经测试表明新型阀的功能和指标均达到要求。

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The practice and experience on use the new valve are summarized in this paper.

本文根据应用中个人的实践与经验，作以下简要总结。

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The original artificial valve must be large enough for the new valve to fit inside.

最初的人工瓣膜必须足够大，以使新瓣膜可以放入其中。

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Once in the proper place the new valve can be deployed, pushing the older valve aside.

FORBES: Breakthrough Heart Valves: How Will Patients Decide?

Traditional heartburn surgery involves tiny incisions in the abdomen, through which surgical tools are inserted and a new valve is created that prevents stomach contents from rising up.

WSJ: New Surgical Option for Heartburn

The new valve was developed by Edwards Lifesciences and the system involves positioning the new valve in the proper place by using a method that does not require surgery.

FORBES: Breakthrough Heart Valves: How Will Patients Decide?