目的：从技术审评角度，研究一次性使用导尿管产品的安全性和有效性。
Objective: This article aim to study the safety and efficacy of catheters for single use.
结论一次性带气囊导尿管治疗鼻腔后部出血效果好、副作用小，适宜在临床推广使用。
Conclusion the therapy of disposable balloon urinary catheter for posterior epistaxis has a good curative effect and little side effect. It is suitable for clinical application.
结论一次性带气囊导尿管治疗鼻腔后部出血效果好、副作用小，适宜在临床推广使用。
Conclusion the therapy of disposable balloon urinary catheter for posterior epistaxis has a good curative effect and little side effect. It is suitable for clinical application.
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