A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 25/00 (2006.01) A61M 27/00 (2006.01) B26F 1/00 (2006.01) B26F 1/02 (2006.01)
Patent
CA 2691369
The present invention concerns a catheter for medical purposes, such as for insertion into a body opening for draining fluids, wherein the catheter comprises a flexible tube having a distal end region wherein the tube is provided with at least one draining opening, characterised in that the peripheral edge on the outside of the tube is provided with a curvature for creating a smooth transition between the exterior surface of the tube and the substantially radially oriented cut constituting the opening side and wherein said curvature is a rounded edge with a curvature radius between 0.2-0.6 mm. The invention further concerns a method of making such catheter and an apparatus for performing this method.
La présente invention concerne un cathéter à usage médical, destiné par exemple à être inséré dans un orifice corporel en vue d'évacuer des liquides. Ledit cathéter comprend un tuyau flexible qui présente une région d'extrémité distale, ledit tuyau étant pourvu d'au moins une ouverture d'évacuation. Le cathéter se caractérise en ce que la bordure périphérique située sur l'extérieur dudit tuyau présente une courbe formant une transition en douceur entre la surface extérieure du tuyau et la fente orientée de manière substantiellement radiale qui constitue le côté d'ouverture. Ladite courbe forme un rebord arrondi dont le rayon de courbure varie entre 0,2 et 0,6 mm. L'invention concerne en outre un procédé et un dispositif de fabrication d'un tel cathéter
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Unomedical A/s
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