A stiffening member to increase fluid flow within a medical...

Details A stiffening member to increase fluid flow within a medical... A stiffening member to increase fluid flow within a medical...

A - Human Necessities

61

M

A61M 25/06 (2006.01) A61M 25/01 (2006.01) A61M 25/00 (2006.01)

Patent

CA 2225440

The present invention relates to a stiffening member, which is a stylet, that helps increase the fluid flow area within a catheter. In a preferred embodiment, the stylet is made of a single piece of flat rectangular stock that can be twisted to provide equal rigidity in all directions. A cross-section of the stylet reveals that the substantially flat rectangular shape of the stylet permits maximum fluid flow between the stylet and the catheter. This results in increased ease in manipulating and removing the stylet from the catheter. In addition, because the preferred embodiment of the stylet comprises a single element, it is easier to manufacture and should result in lower manufacturing costs. Moreover, the use of the present invention should also result in lower overall health-care costs.

Élément raidisseur, prenant la forme d'un stylet, qui contribue à augmenter la zone d'écoulement de fluide à l'intérieur d'un cathéter. Selon un modèle préféré, le stylet est fabriqué à partir d'une pièce unique de fabrication rectangulaire et plate qui peut être torsadée pour permettre une rigidité égale dans toutes les directions. Une coupe transversale du stylet révèle que sa forme essentiellement rectangulaire et plate permet un écoulement fluide maximum entre le stylet et le cathéter. Cela a pour résultat de faciliter la manipulation et l'enlèvement du stylet du cathéter. De plus, parce que le modèle préféré de stylet comporte un seul élément, il est plus facile à fabriquer et les coûts de fabrication devraient ainsi diminuer. Par ailleurs, l'utilisation de la présente invention devrait aussi entraîner une réduction des coûts globaux de soins de santé.

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