Catheter with stress distribution fingers

Details Catheter with stress distribution fingers Catheter with stress distribution fingers

A - Human Necessities

61

M

A61M 25/02 (2006.01) A61M 25/00 (2006.01)

Patent

CA 2202229

This invention relates to a catheter having a hub or extension tube connected to the catheter cannula and including at least one stress distribution finger extending from the distal end of the extension tube around the catheter cannula at the junction between the extension tube and the catheter cannula. These stress distribution fingers distribute any stress exerted at the junction between the extension tube and the catheter cannula to avoid stress localization and improve the pull strength of the catheter.

Cathéter muni d'un embout ou d'un tube-allonge relié à la canule du cathéter, et d'au moins un doigt de distribution de contrainte s'étendant depuis l'extrémité distale du tube-allonge autour de la canule du cathéter, à la jonction entre le tube-allonge et la canule du cathéter. Les doigts servent à distribuer toute contrainte exercée à la jonction entre le tube-allonge et la canule du cathéter, afin d'éviter une concentration des contraintes et d'améliorer la résistance de traction du cathéter.

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