Elongate medical device including deformable distal end

Details Elongate medical device including deformable distal end Elongate medical device including deformable distal end

A - Human Necessities

61

L

A61L 29/02 (2006.01) A61L 31/02 (2006.01) A61M 25/00 (2006.01)

Patent

CA 2660542

An intracorporeal device includes an elongate tubular member. The tubular member can comprise one or more materials that have superelastic and/or shape memory characteristics. The tubular member can comprise one or more deformable zones and one or more elastic zones. The deformable zone(s) can comprise material(s) that are less elastic than the material in the elastic zone(s). The deformable and elastic zones can contain different materials or they can contain the same or similar materials that have been treated in order to change the elasticity or type of elasticity of one of the zones relative to the other zones, creating different elasticity between the elastic and the deformable zones. The intracorporeal device can be, for example, a guidewire, a catheter or any other intracorporeal device that can include an elongate tubular member.

L'invention concerne un appareil intracorporel comprenant un élément tubulaire allongé. L'élément tubulaire peut comporter un ou plusieurs matériaux ayant des caractéristiques super-élastiques et/ou de mémoire de forme. L'élément tubulaire peut comprendre une ou plusieurs zones déformables et une ou plusieurs zones élastiques. La ou les zones déformables peuvent comprendre un ou des matériaux moins élastiques que le matériau dans la ou les zones élastiques. Les zones déformables et élastiques peuvent contenir des matériaux, différents, identiques, ou semblables, qui ont été traités pour changer l'élasticité ou le type d'élasticité d'une des zones par rapport aux autres zones, créant une élasticité différente entre les zones élastiques et déformables. Par exemple, l'appareil intracorporel peut être un fil-guide, un cathéter ou tout autre appareil intracorporel qui peut inclure un élément tubulaire allongé.

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