CN Patent

CN107582529A — 注射用青蒿琥酯冻干粉针及其制备方法

Assigned to Shandong Seonons Medical Technology Co Ltd · Expires 2018-01-16 · 8y expired

What this patent protects

本发明公开了注射用青蒿琥酯冻干粉针及其制备方法。本发明的注射用青蒿琥酯冻干粉针包含青蒿琥酯、包合剂、有机溶剂、微量碱、赋形剂和注射用水。本发明还公开了注射用青蒿琥酯冻干粉针的制备方法,所述方法包括以下步骤:i)将包合剂和赋形剂加入到注射用水中,通过恒温磁力搅拌,至完全溶解,加入微量碱调节pH值至5.5‑7.0,形成溶液a;ii)将青蒿琥酯加入到有机溶剂中,形成澄清溶液b;iii)将a溶液温度降至5℃‑30℃以下,将b溶液加入到a溶液中,通过恒温磁力搅拌,至完全包合,得到澄清包合溶液,经孔径0.22μm的微孔滤膜过滤,得到溶液c;iv)根据c溶液体积比例和…

USPTO Abstract

本发明公开了注射用青蒿琥酯冻干粉针及其制备方法。本发明的注射用青蒿琥酯冻干粉针包含青蒿琥酯、包合剂、有机溶剂、微量碱、赋形剂和注射用水。本发明还公开了注射用青蒿琥酯冻干粉针的制备方法,所述方法包括以下步骤:i)将包合剂和赋形剂加入到注射用水中,通过恒温磁力搅拌,至完全溶解,加入微量碱调节pH值至5.5‑7.0,形成溶液a;ii)将青蒿琥酯加入到有机溶剂中,形成澄清溶液b;iii)将a溶液温度降至5℃‑30℃以下,将b溶液加入到a溶液中,通过恒温磁力搅拌,至完全包合,得到澄清包合溶液,经孔径0.22μm的微孔滤膜过滤,得到溶液c;iv)根据c溶液体积比例和青蒿琥酯的含量要求进行灌装至西林瓶,半压塞;2)将青蒿琥酯与环糊精的包合物冷冻干燥,压塞即得;3)成品:压塞、出箱、轧盖、灯检、包装。

Drugs covered by this patent

Patent Metadata

Patent number
CN107582529A
Jurisdiction
CN
Classification
Expires
2018-01-16
Drug substance claim
No
Drug product claim
No
Assignee
Shandong Seonons Medical Technology Co Ltd
Source
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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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