Solid polysaccharide materials for use as wound dressings

Details Solid polysaccharide materials for use as wound dressings Solid polysaccharide materials for use as wound dressings

A - Human Necessities

61

L

A61L 15/64 (2006.01) A61L 15/22 (2006.01) A61L 15/28 (2006.01) A61L 15/44 (2006.01) C08J 9/28 (2006.01)

Patent

CA 2198569

Solid, bioabsorbable materials for use as wound dressings comprise at least 50% by weight of a mixture of xanthan and at least one galactomannan, such as guar gum or locust bean gum. The weight ratio of xanthan: total galactomannans is in the range 1:99 to 99:1, preferably 10:99 to 99:10. The material is preferably made in the form of a sponge by freeze drying a mixed aqueous gel of the xanthan and galactomannans.

Produit solide bioabsorbable pour pansements; il renferme au moins 50 % en poids d'un mélange de xanthane et au moins un galactomannane, comme la gomme de guar ou la gomme de caroube. Le rapport en poids xanthane/galactomannanes totaux se situe dans une plage de 1/99 à 99/1 et, de préférence, de 10/99 à 99/10. Le produit que l'on privilégie est à l'état d'éponge, obtenue par lyophilisation d'un gel aqueux mixte du xanthane et des galactomannanes.

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