Hemostasis tool having blood diffusion and absorption abilities

Details Hemostasis tool having blood diffusion and absorption abilities Hemostasis tool having blood diffusion and absorption abilities

2007-07-03

2007-07-03

Yu, Justine R. (Department: 3771)

Surgery: splint, brace, or bandage

Bandage structure

Skin laceration or wound cover

C602S043000, C602S044000

Reexamination Certificate

active

11360461

ABSTRACT:
A hemostasis tool is provided for stopping bleeding by absorbing blood from the wound and having blood diffusion and absorption abilities, which includes a lamination comprising a water-permeable inner material on a wound side, a water-impermeable outer material on a side departing from the wound side, a pulp-cotton laminated body between the inner and outer materials, a crust between the pulp-cotton laminated body and the water-impermeable outer material for diffusing the blood that has passed through the water-permeable inner material and the pulp-cotton laminated body, and a polymer for absorbing the blood diffused by the crust. Instead of the pulp-cotton laminated body, a synthesis fiber laminated body can be utilized in the hemostasis tool having a laminated structure. The hemostasis tool serves to actively diffuse transmitted blood by a crust disposed in the intermediate layer of a hemostasis tool, and to improve the absorbing ability of the blood with a polymer that is polymeric absorbing material disposed at an outer part than the crust.

REFERENCES:
patent: 4411660 (1983-10-01), Dawn et al.
patent: 5204110 (1993-04-01), Cartmell et al.
patent: 6258996 (2001-07-01), Goldman
patent: 2003/0040691 (2003-02-01), Griesbach et al.
patent: 2005/0049566 (2005-03-01), Vukos et al.
patent: 2006/0142719 (2006-06-01), Vogt et al.
patent: H03-23173 (1991-03-01), None

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