Clay-based hemostatic agents and devices for the delivery...

A - Human Necessities – 61 – L

Patent

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Details

A61L 15/18 (2006.01) A61F 13/00 (2006.01) A61L 15/44 (2006.01) A61L 15/46 (2006.01) A61L 15/54 (2006.01) A61L 15/58 (2006.01)

Patent

CA 2665108

A device for promoting the clotting of blood comprises a clay material in particle form and a receptacle for containing the clay material. At least a portion of the receptacle is defined by a mesh. Another device comprises a gauze substrate and a clay material disposed on the gauze substrate. Another device is a bandage comprising a substrate, a mesh mounted on the substrate, and particles of a clay material retained in the mesh. A hemostatic sponge comprises a substrate, a hemostatic material disposed on a first surface of the substrate, and a release agent disposed on a second surface of the substrate. The release agent is disposed on the wound-contacting surface of the substrate. When treating a bleeding wound, application of the hemostatic sponge causes at least a portion of the hemostatic material to come into contact with blood through the release agent and through the substrate.

L'invention concerne un dispositif destiné à favoriser la coagulation du sang, comprenant un matériau d'argile sous une forme particulaire, et un réceptacle pour contenir le matériau d'argile. Au moins une partie du réceptacle est défini par un filet. Un autre dispositif comprend un substrat de gaze et un matériau d'argile disposé sur le substrat de gaze. Un autre dispositif est un bandage comprenant un substrat, un filet monté sur le substrat, et des particules d'argile retenues dans le filet. Une éponge hémostatique comprend un substrat, une matière hémostatique disposée sur une première surface du substrat, et un agent de libération disposé sur une seconde surface du substrat. L'agent de libération est disposé sur la surface du substrat en contact avec la plaie. Lors du traitement d'une plaie qui saigne, l'application de l'éponge hémostatique amène au moins une partie de la matière hémostatique à venir en contact avec du sang à travers l'agent de libération et à travers le substrat.

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