Valved prn adapter for medical access devices

Details Valved prn adapter for medical access devices Valved prn adapter for medical access devices

A - Human Necessities

61

M

A61M 39/26 (2006.01) A61M 39/04 (2006.01)

Patent

CA 2200526

A valved adapter for connecting a fluid handling device to a medical device includes a body with a longitudinal axis having a proximal end, a distal end and a chamber therewithin. The body includes a passageway from the proximal end to the distal end and has a valve contained within the chamber in anormally dosed position that is operative to an open position. The valve also includes a hollow tube having a bore therethrough with a closed proximal end mounted coaxially within the passageway and extending from the proximal end to the distal end of the body. The tube has at least one side port opening into its bore that is located a distance distally from the closed end. The valve alsoincludes a resilient member located coaxially about the tube that is biased to occlude the side port in the valve's normally closed position. The valve is opened by a distal movement of the resilient member to overcome the bias and to uncover the side port thereby allowing a fluid flow into the tube and throughthe valve.

Adaptateur à valve reliant un dispositif de traitement de fluide à un instrument médical et présentant un corps à axe longitudinal comportant une extrémité proximale, une extrémité distale et une chambre. Le corps comprend un passage allant de l'extrémité proximale à l'extrémité distale, et une valve à l'intérieur de la chambre en position normalement fermée qu'on peut ouvrir. La valve comporte un tube creux perforé de part en part dont l'extrémité proximale est fermée; le tube est placé coaxialement à l'intérieur du passage et va de l'extrémité proximale à l'extrémité distale du corps. Le tube comporte au moins un orifice latéral situé à une certaine distance de l'extrémité fermée. La valve comporte aussi un élément élastique placé en biais dans le tube pour bloquer l'orifice latéral, dans la position normalement fermée de la valve. La valve est ouverte par un mouvement distal de l'élément élastique, éliminant le biais et dégageant l'orifice latéral, ce qui permet au liquide de couler dans le tube et de passer dans la valve.

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