Absorbing cover for wounds and the method for manufacturing ther

Details Absorbing cover for wounds and the method for manufacturing ther Absorbing cover for wounds and the method for manufacturing ther

1983-09-28

1985-08-20

Morris, Theodore

Compositions: coating or plastic

Coating or plastic compositions

Pore forming

106164, 536 57, 536 87, C08C 124

Patent

active

045362173

ABSTRACT:
The invention pertains to the absorbing dressing for wounds, which consists of spherical particles of regenerated cellulose of the size 0.05-0.5 mm (preferably 0.05-0.3 mm) and a macroporous structure characterized by the cyclohexane regain of the dry material at least 0.2 ml/g. The dressing is prepared from the regenerated cellulose swollen with water by replacement with organic solvents and the subsequent drying of the product swollen with the said solvent. The porous structure of the dressing warrants that it can absorb excretions of the wound in the amount 1.5 to 5 g water per g of solids; the grainy macrostructure remains preserved during the absorption so that the material applied on the wound in the form of a powder in the layer 2-5 mm thick, in particular 2-3 mm thick, can be without difficulties and almost without pain rinsed away with water.

REFERENCES:
patent: 3652540 (1972-03-01), Determann et al.
patent: 3852224 (1974-12-01), Bridgeford
patent: 4055510 (1977-10-01), Peska et al.
patent: 4110529 (1978-08-01), Stoy
patent: 4281063 (1981-07-01), Tsao et al.

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