Expandable hemostat composed of oxidized cellulose
US12364785B2 · kind B2 · utility
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12References
13Claims
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Key dates
| Filing date | Aug 3, 2020 |
| Grant date | Jul 22, 2025 |
| Priority date | — |
| Expiry date | Mar 24, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2400/04
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An expandable biodegradable hemostatic matrix comprised of oxidized cellulose, and having a density ranging from about 0.8 to about 1.2 gr/cm3 is disclosed herein. The matrix may be expandable to at least 3 times its original volume within 4 sec upon contact with an aqueous solution room temperature. Further disclosed are methods for making the hemostatic matrix as well as method of treating a wound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.