Hemostatic composite aggregate materials having surface enriched with hemostatis-promoting agents
US12285540B2 · kind B2 · utility
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18References
9Claims
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Key dates
| Filing date | Jul 21, 2020 |
| Grant date | Apr 29, 2025 |
| Priority date | — |
| Expiry date | Jan 7, 2043 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2420/02
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention relates to a hemostatic absorbable composition, comprising: a flowable plurality of separate aggregates each comprising: a plurality of absorbable carrier particles coated on a surface thereof by a plurality of smaller particles comprising an absorbable supplemental hemostasis-promoting agent. In some embodiments, the absorbable carrier particles comprise gelatin or collagen, and the supplemental hemostasis-promoting agent comprises oxidized cellulose, oxidized regenerated cellulose, carboxylic oxidized cellulose, carboxylic oxidized regenerated cellulose, thrombin, or tranexamic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.