Methods and devices for venous occlusion for the treatment...

A - Human Necessities – 61 – B

Patent

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A61B 17/12 (2006.01)

Patent

CA 2753207

Methods, devices and systems are described for treating venous insufficiency in which the vein is compressed at least partially along a treatment zone. A system can be provided including an injection device (300), such as a glue gun, that is operably connected to a delivery catheter (202) that can be advanced across a treatment zone in the vein (400). The delivery catheter can be used to deliver one, two, or more boluses of media (V2, V2')(e.g., cyanoacrylate) to occlude the vein (400) along different spaced-apart sections of the treatment zone. External compression can also be applied to the vein (400) by a compression element, such as a hand (640) or multifunctional ultrasound transducer (630), to occlude portions of the vein (400) along the treatment zone prior to or during the introduction of the boluses of media (V2. V2').

L'invention porte sur des procédés, des dispositifs et des systèmes pour traiter une insuffisance veineuse dans laquelle la veine est comprimée au moins partiellement le long d'une zone de traitement. Un système peut être fourni, comprenant un dispositif d'injection (300), tel qu'un pistolet à colle, qui est fonctionnellement relié à un cathéter d'administration (202) qui peut être amené à progresser à travers une zone de traitement dans la veine (400). Le cathéter d'administration peut être utilisé pour administrer un, deux ou plusieurs bolus de milieu (V2, V2') (par exemple, du cyanoacrylate) pour occlure la veine (400) le long de différentes sections espacées de la zone de traitement. Une compression externe peut également être appliquée à la veine (400) par un élément de compression, tel qu'une main (640) ou un transducteur ultrasonore multifonction (630), pour occlure des parties de la veine (400) le long de la zone de traitement avant ou pendant l'introduction des bolus de milieu (V2, V2').

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