Instrument and system for producing a sample of a body...

A - Human Necessities – 61 – B

Patent

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Details

A61B 5/155 (2006.01) A61B 5/00 (2006.01)

Patent

CA 2685386

Instrument for producing a sample of body liquid for analysis by piercing the skin with a lancing element (12) having a skin piercing tip. The instrument (11 ) has a housing (13) and a lancing drive (14) for driving a lancing element (12) connected thereto in a puncturing movement. A pressure ring (1 ) surrounds a skin contact opening (4) and is adapted for pressing against the skin such that the skin (3) bulges into the opening (4) for promoting expression of body fluid. The skin contact opening (4) has an opening area corresponding to a circle with a diameter of at least 3 mm and at most 8 mm, and the instrument comprises a pressing force control device (37) for controlling the pressing force between the pressure ring (1 ) and the skin (3) at the time of triggering the puncturing movement, to be at least 3 N and at most 8 N.

L'invention concerne un instrument pour produire un échantillon d'un liquide corporel pour analyse par la perforation de la peau avec un élément autopiqueur (12) ayant une pointe de perforation de la peau. L'instrument (11) a un boîtier (13) et un dispositif d'entraînement de piqûre (14) pour entraîner un élément autopiqueur (12) relié à celui-ci dans un mouvement de perforation. Un anneau de pression (1) entoure une ouverture de contact avec la peau (4) et est apte à être pressé contre la peau de telle sorte que la peau (3) enfle à l'intérieur de l'ouverture (4) pour favoriser une expression du fluide corporel. L'ouverture de contact avec la peau (4) a une zone d'ouverture correspondant à un cercle ayant un diamètre d'au moins 3 mm et d'au plus 8 mm, et l'instrument comprend un dispositif de commande de force de pression pour commander la force de pression (37) entre l'anneau de pression (1) et la peau (3) au moment du déclenchement du mouvement de perforation, afin qu'elle soit d'au moins 3 N et d'au plus 8 N.

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