Hemostatic agent
AssigneeUnitika Ltd.
InventorsIzumi Sakamoto, Tukasa Unigame, Kunihiko Takagi
Life of this patent
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Abstract
A hemostatic agent and method for preparation thereof are described, said hemostatic agent comprising a carrier in the shape of flake or fiber having thrombin and Factor XIII fixed thereto, wherein said carrier is composed of a biodegradable material having a water absorption capability of about 50 weight percent or more, said flake has a longer dimension of about 5000 microns or less, a shorter dimension of about 3000 microns or less, and a thickness of about 2000 microns or less, and said fiber has a single yarn fineness of about 30 deniers or less and a yarn length of about 10 mm or less.
Claims12
A hemostatic agent comprising a carrier in the shape of individual, separate flake or fiber having thrombin and Factor XIII fixed thereto, wherein said carrier is composed of a biodegradable material having a water absorption capability of about 50 weight percent or more, said flake has a longer dimension of about 5,000 microns or less, a shorter dimension of about 3,000 microns or less, and a thickness of about 2,000 microns or less, and said fiber has a single yarn fineness of about 30 deniers or less and a yarn length of about 10 mm or less.
A method comprising mixing a hemostatic agent with a liquid medium to obtain a sol-form, and administering said sol-form to a bleeding site, said hemostatic agent comprising a carrier in the shape of individual, separate flake or fiber having thrombin and Factor XIII fixed thereto, wherein said carrier is composed of a biodegradable material having a water absorption capability of about 50 weight percent or more, said flake has a longer dimension of about 5000 microns or less, a shorter dimension of about 3000 microns or less, and a thickness of about 2000 microns or less, and said fiber has a single yarn fineness of about 30 deniers or less and a yarn length of about 10 mm or less.
Dependencies are inferred from the claim text.