Multilumen catheters and methods for their use

A - Human Necessities – 61 – M

Patent

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A61M 25/00 (2006.01)

Patent

CA 2552863

Multilumen aspiration and delivery catheters, as well as methods for their use, are provided. The subject multilumen catheters include a proximal end and a distal end separated by a non-coaxial multilumen tube. Also provided are systems for use in flushing a vascular site with fluid, usually at least two different fluids, where the subject systems are made up of a delivery catheter inside of an aspiration catheter. In addition, kits comprising various components of the subject systems, e.g., at least two different multilumen catheters, are provided. The subject multilumen aspiration and delivery catheters, systems and kits find use in a variety of different applications in which it is desired to flush a vascular site with at least one and preferably two different fluids, where particular applications of interest include the treatment of vascular lesions.

La présente invention concerne des cathéters de distribution et d'aspiration à lumières multiples ainsi que des procédés d'utilisation de ces cathéters. Ces cathéters à lumières multiples comprennent une extrémité proximale et une extrémité distale séparées par un tube à lumières multiples non coaxial. Cette invention concerne aussi des systèmes d'utilisation dans le rinçage d'un site vasculaire avec un fluide, habituellement au moins deux fluides différents, ces systèmes étant constitués d'un cathéter de distribution à l'intérieur d'un cathéter d'aspiration. Par ailleurs, cette invention comprend des kits comprenant divers éléments de ces systèmes, par exemple au moins deux cathéters à lumières multiples différents. ces cathéters de distribution et d'aspiration à lumières multiples, ces systèmes et ses kits conviennent dans différentes applications diverses dans lesquelles il faut convient de rincer un site vasculaire avec au moins un et de préférence avec deux fluides différents, des applications particulières d'intérêt de cette invention comprenant le traitement des lésions vasculaires.

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