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

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Web – sheet or filament bases; compositions of bandages; or...

Reexamination Certificate

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Details

Other Related Categories

C424S443000, C424S444000, C424S489000, C424S446000, C424S447000, C602S041000, C602S042000, C602S043000, C602S045000, C602S046000, C602S047000, C602S048000, C602S052000, C602S053000, C602S054000, C602S056000, C602S057000, C602S058000, C502S080000

Type

Reexamination Certificate

Status

active

Patent number

07604819

Description

ABSTRACT:
A hemostatic device for promoting the clotting of blood includes a gauze substrate, a clay material disposed on the gauze substrate, and also a polyol such as glycerol or the like disposed on the gauze substrate to bind the clay material. When the device is used to treat a bleeding wound, at least a portion of the clay material comes into contact with blood emanating from the wound to cause the clotting. A bandage that can be applied to a bleeding wound to promote the clotting of blood includes a flexible substrate and a gauze substrate mounted thereon. The gauze substrate includes a clay material and a polyol. A hemostatic sponge also includes a gauze substrate and a dispersion of hemostatic material and a polyol on a first surface of the substrate.

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