Infusion device with needle shield

Details Infusion device with needle shield Infusion device with needle shield

A - Human Necessities

61

M

A61M 25/06 (2006.01)

Patent

CA 2475169

The invention relates to a medication infusion set of the type having a flexible cannula adapted for subcutaneous placement, in combination with an insertion, or puncturing, device comprising an insertion needle extending through the cannula and beyond the outer tip thereof, the insertion device further comprising a shield adapted to cover the insertion needle when the latter is withdrawn from the cannula. More specifically, the invention provides a fully integrated shield member having a position in which it covers the cannula and the needle when the insertion device is connected to the housing, a position allowing the cannula to be inserted when the insertion device is connected to the housing, and a position in which the shield covers the needle and the outer tip thereof when the insertion device has been removed from the housing. By this arrangement the need for a separate cover to protect the needle prior to use can be dispensed with.

L'invention porte sur un dispositif de transfusion de traitement dot~ d'une canule flexible con×ue de mani­re ~ Útre plac~e sous peau, ainsi que d'un dispositif d'insertion ou de ponction, comprenant une aiguille d'insertion qui s'~tend ~ travers la canule et au-del~ de l'extr~mit~ de cette derni­re. Le dispositif d'insertion comporte aussi un ~l~ment protecteur con×u de mani­re ~ recouvrir l'aiguille d'insertion lorsque cette derni­re est retir~e de la canule. Plus particuli­rement, cette invention concerne un ~l~ment protecteur enti­rement int~gr~ dot~ d'une position dans laquelle il recouvre la canule et l'aiguille lorsque le dispositif d'insertion est reli~ au logement, et une position dans laquelle l'~l~ment protecteur recouvre l'aiguille et l'extr~mit~ externe de ce dernier lorsque le dispositif d'insertion a ~t~ extrait du logement. Du fait de cette disposition, il n'est pas n~cessaire d'utiliser une protection s~par~e pour prot~ger l'aiguille avant son utilisation.

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