Thrombin-carrying hemostatic sheet
US12251491B2 · kind B2 · utility
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4References
19Claims
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Key dates
| Filing date | Mar 19, 2020 |
| Grant date | Mar 18, 2025 |
| Priority date | — |
| Expiry date | Jan 12, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2400/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Provided is a thrombin-carrying hemostatic sheet that is suitable for hemostasis during surgery, in particular, for hemostasis during spine surgery, that is convenient without preparation before use, and that is bioabsorbable and can be embedded in the body as it is. The hemostatic sheet is composed of a gelatin sponge carrying an effective amount of thrombin, wherein (A) the density is 30 to 55 mg/cm3, and (B) the shape maintaining angle in wet conditions is 55 to 120°.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.