Devices for the delivery of molecular sieve materials for the formation of blood clots
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United States of America Patent
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Issued Date -
May 10, 2007
app pub date -
Oct 25, 2006
filing date -
Nov 7, 2005
priority date (Note) -
Abandoned
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Abstract
An apparatus for promoting the clotting of blood comprises a substrate and a zeolite in powder form deposited on the substrate. At least a portion of the substrate is selected from a group consisting of paper, polymer matrix, polyethylene sheet, hydrophilic macromolecules, and cloth. An agent for promoting the clotting of blood comprises a porous web structure and a compound capable of providing hemostasis incorporated into the porous web structure. The compound capable of providing hemostasis comprises at least one cationic species interspersed throughout and coulombically bound to the web structure such that the cationic species provides a positive charge to the web structure. A method of fabricating a blood clotting apparatus comprises the steps of providing a cellulose-based substrate; providing a zeolite; incorporating at least one cationic species into a structure of the zeolite to impart a positive charge thereto; and impregnating the cellulose-based substrate with the zeolite.
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