CN Patent

CN114432490B — 3d打印材料及其制备方法和应用

Assigned to Peking University School of Stomatology · Expires 2023-01-06 · 3y expired

What this patent protects

本发明公开了一种3D打印材料，该材料包括趋化因子、负载促成骨因子的聚多巴胺包裹的纳米羟基磷灰石颗粒和胶原；将负载促成骨因子的聚多巴胺包裹的纳米羟基磷灰石颗粒分散于趋化因子溶液中，加入胶原溶解后，获得所述3D打印材料，该材料能够通过时间与空间的精准调控实现对MSCs趋化、促成骨因子的按需递送，降低材料的总载药量，减小副作用，降低成本，促进高效成骨。

USPTO Abstract

本发明公开了一种3D打印材料，该材料包括趋化因子、负载促成骨因子的聚多巴胺包裹的纳米羟基磷灰石颗粒和胶原；将负载促成骨因子的聚多巴胺包裹的纳米羟基磷灰石颗粒分散于趋化因子溶液中，加入胶原溶解后，获得所述3D打印材料，该材料能够通过时间与空间的精准调控实现对MSCs趋化、促成骨因子的按需递送，降低材料的总载药量，减小副作用，降低成本，促进高效成骨。

Drugs covered by this patent

Patent Metadata

Patent number
CN114432490B
Jurisdiction
CN
Classification
—
Expires
2023-01-06
Drug substance claim
No
Drug product claim
No
Assignee
Peking University School of Stomatology
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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