Constriction device including fixation structure

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/12 (2006.01) A61B 17/00 (2006.01) A61F 2/00 (2006.01) A61F 2/04 (2006.01)

Patent

CA 2453286

A constriction device (70) that constricts body tissue (58) includes fixation structures for fixing the device on constricted body tissue. The device includes an elongated sleeve including an inner surface and opposed opened ends. The device is formed from expandable or elastic material so that when in an expanded condition, body tissue to be constricted may be received therein and thereafter, when released from the expanded condition, the body tissue is constricted by the device. The fixation structures include a plurality of fixation elements (118) on the inner surface of the sleeve that grasp the body tissue upon release of the sleeve from the expanded condition to fix the device on the constricted tissue.

La présente invention concerne un dispositif de constriction prévu pour serrer et comprimer des tissus corporels qui comprend des structures de fixation permettant de fixer le dispositif sur des tissus corporels serrés et comprimés. Le dispositif comprend une gaine allongée comportant une surface interne et des extrémités ouvertes opposées. Le dispositif est formé dans un matériau dilatable ou élastique de sorte que lorsqu'il se trouve à l'état dilaté, les tissus corporels devant être serrés/comprimés peuvent se loger à l'intérieur et qu'ensuite, lorsque le dispositif quitte son état dilaté, les tissus corporels sont serrés et comprimés par le dispositif. Les structures de fixation comprennent une pluralité d'éléments de fixation situés sur la surface interne de la gaine qui saisissent les tissus corporels lorsque la gaine quitte son état dilaté, pour fixer ledit dispositif sur les tissus serrés et comprimés.

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