CN Patent

CN1176649C — 舒马普坦干粉吸入剂及其制备方法

Assigned to Shanghai Academy Of Medical Sciences And Ltd By Share Ltd · Expires 2004-11-24 · 21y expired

What this patent protects

本发明公开了一种舒马普坦干粉吸入剂及其制备方法。本发明的舒马普坦干粉吸入剂的组分和重量百分比含量包括：舒马普坦5～90%，凝胶粘附剂1～95%，水不溶性粘附剂0～90%，稀释剂0～94%，表面活性剂0～2%。本发明的舒马普坦干粉吸入剂可用于治疗歇发剧烈性头痛，将药物吸入鼻腔，药物经鼻粘膜吸收后，发挥全身作用。药物以单剂量固体粉末形式存在，稳定性较液体制剂明显提高，使用携带方便，粉末能全部吸入至鼻腔，装置内残留量极低，且更易在作用部位沉积。

USPTO Abstract

本发明公开了一种舒马普坦干粉吸入剂及其制备方法。本发明的舒马普坦干粉吸入剂的组分和重量百分比含量包括：舒马普坦5～90%，凝胶粘附剂1～95%，水不溶性粘附剂0～90%，稀释剂0～94%，表面活性剂0～2%。本发明的舒马普坦干粉吸入剂可用于治疗歇发剧烈性头痛，将药物吸入鼻腔，药物经鼻粘膜吸收后，发挥全身作用。药物以单剂量固体粉末形式存在，稳定性较液体制剂明显提高，使用携带方便，粉末能全部吸入至鼻腔，装置内残留量极低，且更易在作用部位沉积。

Drugs covered by this patent

Patent Metadata

Patent number
CN1176649C
Jurisdiction
CN
Classification
—
Expires
2004-11-24
Drug substance claim
No
Drug product claim
No
Assignee
Shanghai Academy Of Medical Sciences And Ltd By Share 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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