Medical catheters of modular construction

Details Medical catheters of modular construction Medical catheters of modular construction

A - Human Necessities

61

M

A61M 25/00 (2006.01)

Patent

CA 2633664

The present invention is directed to medical catheters that may be modularly constructed to facilitate manufacture and provide properties that may be difficult to achieve with a catheter formed from a single extrusion or multiple materials that are fused together. The catheter may be constructed of one or more core elements that may be partially or fully surrounded by a jacket member in a variety of configurations. The core elements may comprise different properties with respect to the jacket member or one another, thereby permitting increased manufacturing flexibility. The modular catheter designs of the present invention further provide for a variety of lumen configurations, as well as providing for catheters that can change their shape by moving the core elements with respect to the jacket member or one another.

La présente invention concerne des cathéters médicaux qui peuvent avoir une structure modulaire pour faciliter leur fabrication et obtenir des propriétés qui seraient difficiles à obtenir avec une cathéter formé par une seule extrusion ou par plusieurs matériaux fusionnés ensemble. Le cathéter peut être constitué d'un ou plusieurs éléments d'âme qui peuvent être entièrement ou partiellement entourés par un élément de jaquette dans différentes configurations. Les éléments d'âme peuvent avoir des propriétés qui diffèrent de celles de l'élément de jaquette ou des autres éléments d'âme, ce qui augmente la souplesse de fabrication. Les modèles de cathéter modulaire selon la présente invention permettent en outre de donner à la lumière différentes configurations et d'obtenir des cathéters dont la forme peut changer en déplaçant les éléments d'âme par rapport à l'élément de jaquette ou les uns par rapport aux autres.

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