Medical implant delivery system

Details Medical implant delivery system Medical implant delivery system

A - Human Necessities

61

F

A61F 2/02 (2006.01) A61F 2/01 (2006.01) A61F 2/24 (2006.01) A61F 2/84 (2006.01)

Patent

CA 2424306

The over-the-wire interlock attachment/detachment mechanism includes a cylindrical lock receiving section (16) of a small attached to an implantable medical device (20) such as a blood clot filter, a stent, or a septal occluder. This cylindrical lock receiving section (16) has a plurality of spaced, curved cutouts (40) to receive both the guide fingers (26) and contoured locking fingers (34) formed on a cylindrical locking section (14). The locking fingers (34) are angled outwardly from the cylindrical body (22) of the cylindrical locking section (14), and are moved inwardly into engagement with the curved cutouts (40) of the cylindrical lock receiving section (16) by a sheath (18) which slides over the cylindrical locking section (14) or other suitable operator.

L'invention concerne un mécanisme à fixation et détachement pour jonction sur fil, comprenant une section (16) cylindrique servant au logement d'un moyen de blocage, de faible diamètre, relié à un dispositif médical (20) implantable, tel que filtre à caillot sanguin, stent ou occluseur septal. Ladite section (16) de logement du moyen de blocage présente une pluralité de profils incurvés espacés (40), destinés à recevoir, à la fois, les doigts guides (26) et les doigts de blocage profilés (34), configurés sur une section (14) de blocage cylindrique. Les doigts de blocage (34) sont inclinés vers l'extérieur à partir du corps cylindrique (22) de ladite section (14) de blocage et se déplacent vers l'intérieur pour venir en prise avec les profils incurvés (40) de ladite section (16) de blocage, via un manchon (18) coulissant sur cette section (14), ou autre moyen d'actionnement approprié.

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