Unverified80% confidenceTradeoffTime unknown
材质越软生物相容性越好越不易伤黏膜,但过软的管在通梗阻硬结石时推进力不足;通尿道结石梗阻反而需要一定硬度的红橡胶或聚氨酯管
1
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80%
Confidence
Long-term
Relevance
-
First Seen
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