Retracting needle safety device

Details Retracting needle safety device Retracting needle safety device

A - Human Necessities

61

M

A61M 5/32 (2006.01) A61B 5/15 (2006.01)

Patent

CA 2456969

A retractable safety needle assembly (24) is provided. The needle assembly includes a tubular outer body (20), a retraction assembly (60) contained with the outer body (20) and a biasing element (88) for applying a retraction force therebetween. The retraction assembly (60) includes a cannula (62) having an intravenous puncture tip (64) and a non-patient puncture tip (66) at opposing ends. In a first position, the intravenous puncture tip (64) extends from a first end (22) of the tubular outer body (20). The retraction assembly (60) is adapted for movement within the tubular outer body from the first position to a second position in which the intravenous puncture tip (64) and the non- patient puncture tip (66) are contained entirely within the tubular outer body (20) and are offset from a general axis defining the outer body (20).

L'invention concerne un ensemble aiguille de sécurité (24) rétractable. L'ensemble aiguille comporte un corps extérieur (20) tubulaire, un ensemble de retrait (60) contenu dans le corps extérieur (20) et un élément de sollicitation (88) destiné à appliquer entre eux une force de retrait. L'ensemble de retrait (60) comprend un cathéter (62) pourvu d'une pointe d'insertion intraveineuse (64) et d'une pointe d'insertion non-patient (66) aux extrémités opposées. Dans une première position, la pointe d'insertion intraveineuse (64) part d'une première extrémité (22) du corps extérieur (20) tubulaire. L'ensemble de retrait (60) est conçu pour se déplacer, à l'intérieur du corps extérieur tubulaire, de la première position vers une seconde position dans laquelle la pointe d'insertion intraveineuse (64) et la pointe d'insertion non-patient (66) sont contenues entièrement dans le corps extérieur (20) tubulaire et sont décalées par rapport à un axe général définissant ledit corps extérieur (20).

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