Lancet device

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/32 (2006.01)

Patent

CA 2603771

The lancet device includes a housing and a lancet having a puncturing element. The lancet is disposed within the housing and is adapted for axial movement between an initial or pre-actuated position wherein the puncturing element is retained within the housing, and a puncturing position wherein the puncturing element extends through a forward opening in the housing. The lancet device includes a drive spring disposed within the housing for biasing the lancet toward the puncturing position, and a retraction or return spring for returning the lancet to a position within the housing where the puncturing element is disposed within the housing. The retraction spring thereafter maintains engagement with the lancet to assist in preventing the puncturing element from again projecting outward from the forward opening in the housing.

L'ensemble lancette comprend un boîtier et une lancette présentant un élément de perforation. La lancette est disposée dans le boîtier et conçue pour suivre un mouvement axial entre une position initiale ou préactionnée, dans laquelle l'élément de perforation est retenu dans le boîtier et une position de perforation, dans laquelle l'élément de perforation s'étend à travers une ouverture vers l'avant dans le boîtier. Le dispositif lancette comprend un ressort disposé dans le boîtier permettant de solliciter la lancette vers la position de perforation et un ressort de rétraction ou de retour permettant de faire revenir la lancette dans le boîtier, dans lequel l'élément de perforation est disposé. Le ressort de rétraction maintient l'insertion avec la lancette afin d'éviter que l'élément de perforation ne ressorte de l'ouverture ménagée à l'avant dans le boîtier.

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