CN Patent

CN108354903A — 一种局部麻醉镇痛缓释递药系统及其制备方法和应用

Assigned to Xi'an Li Bang Bio Pharmaceutical Technology Co Ltd · Expires 2018-08-03 · 8y expired

What this patent protects

本发明公开了一种新型局部麻醉镇痛缓释递药系统，包括内水相、外水相、油相、有机溶剂、等渗调节剂和pH调节剂，内水相包括镇痛剂、药物溶剂和药物增溶剂；镇痛剂选自布比卡因、左布比卡因、罗哌卡因、利多卡因、比卡因或甲哌卡因中的一种，且镇痛剂为游离碱形式或酸盐形式；药物溶剂选自含N或P的无机酸；药物增溶剂选自糖或环状有机酸中的一种或多种；本发明制备的多囊脂质体包封率和载药量高，粒径均一，缓释效果好。

USPTO Abstract

本发明公开了一种新型局部麻醉镇痛缓释递药系统，包括内水相、外水相、油相、有机溶剂、等渗调节剂和pH调节剂，内水相包括镇痛剂、药物溶剂和药物增溶剂；镇痛剂选自布比卡因、左布比卡因、罗哌卡因、利多卡因、比卡因或甲哌卡因中的一种，且镇痛剂为游离碱形式或酸盐形式；药物溶剂选自含N或P的无机酸；药物增溶剂选自糖或环状有机酸中的一种或多种；本发明制备的多囊脂质体包封率和载药量高，粒径均一，缓释效果好。

Drugs covered by this patent

Patent Metadata

Patent number
CN108354903A
Jurisdiction
CN
Classification
—
Expires
2018-08-03
Drug substance claim
No
Drug product claim
No
Assignee
Xi'an Li Bang Bio Pharmaceutical Technology Co Ltd
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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