Balloon activated force concentrators for incising stenotic...

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/32 (2006.01) A61B 17/22 (2006.01) A61M 25/10 (2006.01) A61M 29/02 (2006.01)

Patent

CA 2208489

A balloon activated force concentrator for use in cooperation with an inflatable angioplasty balloon includes at least one elongated flexible panel, an elongated cutting blade mounted on the outside surface of the elongated flexible panel, and an elastic circular band attached to each end of the elongated flexible panel for securing the elongated flexible panel to an angioplasty balloon. Use of this balloon activated force concentrator requires mounting the device on an inflatable angioplasty balloon by inserting the distal end of the angioplasty balloon through one of the circular bands. The balloon activated force concentrator is then advanced over the balloon until the second circular band reaches the distal end of the balloon. At that point, the elasticity of the circular bands straddle the balloon to retain the activated force concentrator securely against the outer surface of the angioplasty balloon.

Concentrateur de force commandé par ballonnet, pour utilisation simultanée avec un ballonnet d'angioplastie gonflable. Ce dispositif comprend au moins un volet souple et allongé, une lame tranchante allongée et montée sur la surface extérieure du volet, ainsi qu'une bande circulaire élastique attachée à chaque extrémité du volet pour le fixer solidement au ballonnet d'angioplastie. Pour être utilisé, ce concentrateur doit être monté sur le ballonnet d'angioplastie en insérant l'extrémité distale du ballonnet dans une des bandes circulaires. Le concentrateur est alors avancé sur le ballonnet, jusqu'à ce que la seconde bande circulaire atteigne l'extrémité distale du ballonnet. € ce stade, l'élasticité des bandes circulaires permet de chevaucher le ballonnet, afin de retenir le concentrateur solidement contre la surface extérieure du ballonnet d'angioplastie.

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