Catheter infusion port

A - Human Necessities – 61 – M

Patent

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Details

A61M 39/02 (2006.01) A61M 39/04 (2006.01)

Patent

CA 2594962

A port (100) for a catheter assembly (200), including a body (102) and a cover (150) and having a distal discharge port (116) for connection to an implanted catheter assembly. Within the body is a longitudinal U-shaped channel (120) extending to a proximal body wall (104) from the distal body wall (106) along a longitudinal axis parallel to the axis of the discharge port (116). The channel has a rounded bottom (122) and is also rounded at the channel ends (126,124) at the distal and proximal body walls. The cover (150) provides for penetration by a syringe needle and seals upon needle withdrawal, with the cover having an inside surface (152) that is concave and rounded between the distal and proximal ends and also longitudinally, being generally smoothed into the channel sides and ends. The port has no inner sharp edges or corners and eliminates blood clotting and unwanted growth sites.

La présente invention se rapporte à un port (100) conçu pour un ensemble cathéter (200), comportant un corps (102) et un couvercle (150) et présentant un port d'évacuation distal (116) conçu pour être raccordé à un ensemble cathéter implanté. Au sein dudit corps se trouve un canal longitudinal en forme de U (120) s'étendant jusqu'à une paroi proximale du corps (104) à partir de la paroi distale du corps (106) le long d'un axe longitudinal parallèle à l'axe du port d'évacuation (116). Ledit canal présente un fond arrondi (122) et il est également arrondi au niveau de ses extrémités (126,124) sur les parois distale et proximale du corps. Le couvercle (150) permet la pénétration d'une aiguille à injection et il se referme lors du retrait de l'aiguille, ce couvercle présentant une surface intérieure (152) qui est concave et arrondie entre les extrémités distale et proximale et qui, longitudinalement, se prolonge généralement de manière lisse jusqu'aux côtés et extrémités du canal. Ce port ne comporte aucun bord et aucun angle pointu interne et il permet d'éviter la coagulation du sang ainsi que la formation de sites de croissance non désirés.

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