DNT can be wrapped around oozing aortic graft to control bleeding.

DNT可被包裹在渗血的主动脉移植物周围起到止血作用。

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Platelets are cells in the blood that control bleeding by plugging the broken blood vessel and helping the blood to clot.

血小板是血液中的细胞，控制出血破裂血管堵塞，帮助血液凝结。

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If bleeding is severe, an additional procedure or surgery may be needed to control it.

如果出血严重，可能需要额外的程序或手术来控制它。

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In a statement to CNN, the FDA said the clips, when used correctly, can effectively control bleeding.

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"There are a number of ways to mess it up, " said Kragh, who is a leading researcher on methods to control bleeding.

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Although surgical techniques can sometimes be learned by practising on cadavers, microsurgery requiring careful control of bleeding needs living animals.

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