作者: Fu Lianghui , Zhu Dawei , Shen Bifeng
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摘要: The invention discloses a self-expansion intranasal stent. stent expands in natural state, and an expansionary force can make the to be close inner wall of paranasal sinus or cavum nasi during expansion while does not excessively expand nasi; is matched with lesion anddivided into near end, waist far end cross section S1, S2, S3, S2 smaller than S1 S3. used for treating rhinitis nasosinusitis; after operation, embedded support same eliminating inflammation preventing mucosal adhesion same.