Sealing between a cannula part and a fluid path

Details Sealing between a cannula part and a fluid path Sealing between a cannula part and a fluid path

A - Human Necessities

61

M

A61M 5/158 (2006.01)

Patent

CA 2713485

The application relates to an infu-sion part comprising a cannula part (7) and a flu-id path, whereby a sealing (18) is positioned be-tween the cannula part and the inlet/outlet open-ing (12) of the fluid path when the cannula part is in position for use in order to keep the fluid path to the cannula tight. The sealing (18) is sur-rounding the inlet/outlet opening (12) and/or the distance di between a centre line c of the cannula part and a point on the outer surface of the can-nula part positioned at or above the upper edge of the sealing (18) is larger than the distance 02 between the centre line c of the cannula part and a point on the outer surface of the cannula part positioned at or below the lower edge of the seal-ing.

L'invention porte sur une partie perfusion comprenant une partie canule (7) et un trajet de fluide, un joint (18) étant positionné entre la partie canule et l'ouverture d'entrée/sortie (12) du trajet de fluide lorsque la partie canule est dans la position d'utilisation afin de maintenir de manière étanche le trajet de fluide sur la canule. Le joint d'étanchéité (18) entoure l'ouverture d'entrée/sortie (12) et/ou la distance d1 entre une ligne centrale c de la partie canule et un point sur la surface externe de la partie canule, positionné sur ou au-dessus du bord supérieur du joint d'étanchéité (18) est plus grande que la distance d2 entre la ligne centrale c de la partie canule et un point sur la surface externe de la partie canule positionné sur ou en dessous du bord inférieur du joint d'étanchéité.

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