Inflatable-deflatable passive exercise unit

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/3207 (2006.01) A61B 17/22 (2006.01)

Patent

CA 2641249

A method for increasing blood flow through an obstructed blood vessel includes providing an expandable member (100) made of a mesh having a plurality of interstices. The expandable member is substantially closed at the distal end and is inserted into the vessel and positioned within the vessel with the member body located radially adjacent at least a portion of an obstruction. The expandable member is expanded into contact with the obstruction. An outward radial force is exerted on the obstruction to dislodge a fragment. The fragment is passed through at least one interstice of the member body in the radial direction, the fragment being selectively retained. An apparatus for increasing blood flow through an obstructed blood vessel is also provided.

L'invention concerne un procédé d'amélioration de la circulation sanguine dans un vaisseau obstrué comprenant l'utilisation d'un élément extensible fait essentiellement d'un maillage présentant une pluralité d'interstices. L'élément extensible présente une extrémité proximale et une extrémité distale espacées longitudinalement l'une de l'autre par un corps tubulaire. L'élément extensible est inséré dans le vaisseau. Il y est positionné l'extrémité proximale en amont de l'extrémité distale et le corps tubulaire radialement adjacent à au moins une partie de l'obstruction. L'élément extensible est élargi afin de mettre au moins une partie du corps tubulaire en contact avec l'obstruction. Une force radiale vers l'extérieur est exercée sur l'obstruction afin d'en déloger au moins un fragment et d'accroître la circulation sanguine dans le vaisseau à travers l'obstruction. Le fragment est passé dans le sens radial à travers un interstice au moins du corps tubulaire. Il est sélectivement retenu à l'intérieur de l'élément extensible. L'invention concerne également un appareil d'amélioration de la circulation sanguine dans un vaisseau obstrué.

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