Biodegradable absorbent foam for packing antrums or other...

A - Human Necessities – 61 – L

Patent

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Details

A61L 24/04 (2006.01) A61L 24/00 (2006.01) C08G 18/10 (2006.01) C08G 18/42 (2006.01) C08G 18/73 (2006.01)

Patent

CA 2512896

The invention relates, generally, to porous absorbent materials which are suitable for packing antrums or other cavities of the human or animal body. More particularly, it relates to hydrophilic biodegradable foams, which may be used e.g. in the form of a plug or tampon, for instance for controlling bleeding, wound closure, prevent tissue adhesion and/or support tissue regeneration. The invention provides an absorbent foam, suitable for packing antrums or other cavities of the human or animal body, comprising a biodegradable synthetic polymer, which polymer preferably comprises -C(O)-O- groups in the backbone of the polymer, for instance polyurethane and/or polyester units combined with polyethers.

De manière générale, la présente invention a trait à des matériaux poreux absorbants aptes à être utilisés pour le tamponnement des antres ou autres cavités du corps humain ou animal. Plus particulièrement, l'invention a trait à des mousses biodégradables hydrophiles, qui peuvent être utilisées, par exemple, sous la forme d'un bouchon ou d'un tampon, par exemple pour contrôler une hémorragie, pour l'obturation de plaies, la prévention d'adhérence tissulaire et/ou le support de la régénération tissulaire. L'invention fournit une mousse absorbante, apte au tamponnement d'antres ou autres cavités du corps humain ou animal, comportant un polymère synthétique biodégradable, ledit polymère comprenant, de préférence, des groupes C(O)-O- dans le squelette du polymère, par exemple des motifs de polyuréthanne et/ou de polyester en combinaison avec des polyéthers.

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