Collagen sponge

Details Collagen sponge Collagen sponge

1982-05-26

1983-11-01

Schain, Howard E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

106124, 106155, 604368, 128DIG8, 424116, 424177, C07G 700, C08H 106, C08L 8904, C08L 8906

Patent

active

044129475

ABSTRACT:
A process for preparing a coherent porous collagen sheet material is comprised of forming natural insoluble particulate collagen in substantially pure form and suspending the particulate collagen in a weak aqueous organic acid solution while maintaining the collagen in particulate form. The suspension is freeze-dried to form a coherent porous native collagen sheet material which is useful as a wound dressing, burn dressing, hemostatic sheet or the like.

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patent: 3939831 (1976-02-01), Cioca et al.
patent: 4193813 (1980-03-01), Chvapil
patent: 4279812 (1981-07-01), Cioca
patent: 4295894 (1981-10-01), Cioca et al.
patent: 4374121 (1983-02-01), Cioca

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