Tissue absorbable polymer sponge

Details Tissue absorbable polymer sponge Tissue absorbable polymer sponge

A - Human Necessities

61

F

167/325, 128/60,

A61F 13/00 (2006.01) A61L 15/00 (2006.01) A61L 15/42 (2006.01) A61L 15/64 (2006.01)

Patent

CA 1045548

ABSTRACT OF THE INVENTION A conformable tissue absorbable surgical sponge is formed by dissolving a tissue absorbable polymer is hexa- fluoroisopropyl alcohol or hexafluoroacetone sesquihydrate, filtering, freezing and subliming off the solvent to give a tissue conformable flexible sponge which rapidly absorbs blood and other body fluids. The sponge may be used to absorb blood or other liquids during a surgical procedure or may be used as a hemostat and allowed to remain in a closed wound with the polymer being absorbed by living tissue.

219627

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