Blood expression device

A - Human Necessities – 61 – B

Patent

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Details

A61B 5/151 (2006.01)

Patent

CA 2586013

A device for expressing blood from a wound site formed in dermal tissue is constructed, in one embodiment, in the shape of a cap which can be removably mounted onto a lancing instrument. The blood expression device indudes an annular support member (13) and a plurality of movable fingers (15) integrally formed onto the support member in a spaced apart relationship, the free ends of the plurality of fingers together defining a generally circular opening (33). Each finger is adapted for pivotal displacement in such a manner that its free end projects into the circular opening. In use, the free ends of the plurality of fingers are disposed in contact against the dermal tissue immediately surrounding the wound site. As the device is urged downward onto the dermal tissue, the free ends of the plurality of fingers collapse inward and pinch into the dermal tissue so as to create a uniform ring of pressure around the wound site which, in tum, results in the expression of blood.

L'invention concerne un dispositif pour exprimer le sang d'une plaie formée dans le tissu dermique, se présentant, dans un mode de réalisation, sous la forme d'un capuchon qui peut être monté amovible sur un instrument autopiqueur. Le dispositif d'expression du sang comporte un élément de support annulaire (13) et plusieurs doigts mobiles (15) espacés faisant partie intégrante de l'élément de support, les extrémités libres desdits doigts définissant ensemble une ouverture généralement circulaire (33). Chaque doigt est conçu pour se déplacer de manière pivotante, de sorte que son extrémité libre s'étende dans l'ouverture circulaire. Lorsque le dispositif est utilisé, les extrémités libres de la pluralité de doigts sont en contact avec le tissu dermique entourant immédiatement la plaie. Lorsque le dispositif est poussé vers le bas sur le tissu dermique, les extrémités libres des doigts se plient vers l'intérieur et pincent le tissu dermique, de manière qu'un anneau de pression homogène soit créé autour de la plaie, ce qui induit l'expression du sang.

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