Catheterization system

A - Human Necessities – 61 – M

Patent

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Details

A61M 25/01 (2006.01) A61M 5/158 (2006.01)

Patent

CA 2134547

A catheterization system (10) to allow the user to quickly visualize the flashback of blood after penetration of a blood vessel. The system (10) allows for minimum blood loss during initial penetration of the vessel. The invention is directed to a system (10) for introducing an over-the-needle catheter with an inserter unit (12) having a hollow needle (14) and a catheter (92) wherein the catheter (92) and the needle (14) cooperate to form a first flashback chamber therebetween. The first flashback chamber is partially translucent and allows for the visualization of blood flow upon insertion of the needle (14) into the vessel. A guide wire (16) is dimensioned in relation to the needle (14) to provide a blood flow passage therebetween. A second flashback chamber (22) is formed in the inserter unit (12) and connected to the needle (14) to receive blood flow therefrom.

Système de cathétérisme (10) qui permet à l'utilisateur de visualiser rapidement le reflux sanguin après l'introduction dans un vaisseau sanguin. Le système (10) permet de réduire au minimum la perte de sang pendant l'introduction initiale dans le vaisseau. L'invention porte sur un système (10) qui facilite l'introduction d'un cathéter monté sur une aiguille au moyen d'un dispositif d'insertion (12) constitué d'une aiguille creuse (14) et d'un cathéter (92), dans lequel le cathéter (92) et l'aiguille (14) s'allient pour former une première chambre de reflux. La première chambre de reflux est partiellement translucide, ce qui permet de visualiser le reflux sanguin lors de l'introduction de l'aiguille (14) dans le vaisseau. Un guide (10) de la dimension de l'aiguille (14) permet le passage du flux sanguin. Une deuxième chambre de reflux (22) se forme dans le dispositif d'insertion (12) et est raccordée à l'aiguille (14) pour recevoir le flux sanguin qui en provient.

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