CN Patent

CN116327677B — 缓释左氧氟沙星的泪小管栓及其制备方法

Assigned to Beijing Hospital · Expires 2025-08-12 · 1y expired

What this patent protects

本发明公开了一种缓释左氧氟沙星的泪小管栓及其制备方法。本发明以左氧氟沙星、聚乙交酯、壳聚糖、聚赖氨酸为原料进行交联反应，之后采用等离子处理制得的缓释左氧氟沙星的泪小管栓能够减少使用抗生素的次数或无须使用抗生素，患者依从性好，舒适度好，生物相容性好，短期降解，副作用小，遇水膨胀性能好，不易脱落。

USPTO Abstract

本发明公开了一种缓释左氧氟沙星的泪小管栓及其制备方法。本发明以左氧氟沙星、聚乙交酯、壳聚糖、聚赖氨酸为原料进行交联反应，之后采用等离子处理制得的缓释左氧氟沙星的泪小管栓能够减少使用抗生素的次数或无须使用抗生素，患者依从性好，舒适度好，生物相容性好，短期降解，副作用小，遇水膨胀性能好，不易脱落。

Drugs covered by this patent

Patent Metadata

Patent number
CN116327677B
Jurisdiction
CN
Classification
—
Expires
2025-08-12
Drug substance claim
No
Drug product claim
No
Assignee
Beijing Hospital
Source
FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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