A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/22 (2006.01) A61F 2/01 (2006.01)
Patent
CA 2449558
A filter device is adapted to function as a guidewire, an exchange guidewire, and provide embolic protection during a procedure. The filter device (10) includes a filter assembly (42) that is either integral with or coupled to a guide member (12). The filter assembly (42) includes a plurality of struts (52) that expand outwardly to deploy a filter (50) that collects or captures material flowing along the blood vessel within which the filter device (10) is deployed. The plurality of struts (52) is constrained by a restraining member or mechanism (24) that prevents the plurality of struts from expanding or extending outwardly to deploy the filter. Cooperating with the restraining member or mechanism is an actuating assembly (20) that is adapted to release the restraining member (24) or mechanism and enable the filter to be deployed from the guide member (12). A capture catheter (90) that cooperates with the filter device (10) and substantially surrounds the filter (50) during the removal of the filter device (10).
La présente invention concerne un dispositif de filtre conçu pour fonctionner comme un fil guide, un fil guide d'échange, et fournir une protection contre l'embolie au cours d'une intervention chirurgicale. Ledit dispositif de filtre (10) comprend un ensemble filtre (42) qui est solidaire par construction avec ou couplé à un élément de guidage (12). Ledit ensemble filtre (42) comprend plusieurs entretoises (52) qui se dilatent vers l'extérieur pour déployer un filtre (50) qui collecte ou capture la matière s'écoulant le long du vaisseau sanguin dans lequel le dispositif de filtre (10) est déployé. Lesdites entretoises (52) sont contraintes par un élément ou un mécanisme (24) de contrainte qui empêche la pluralité d'entretoises de se dilater ou de s'étendre vers l'extérieur pour déployer le filtre. Il existe un ensemble d'actionnement (20), coopérant avec l'élément ou le mécanisme de contrainte, conçu pour libérer l'élément (24)ou le mécanisme de contrainte et permettre au filtre d'être déployé à partir de l'élément de guidage (12). Un cathéter de capture (90) coopère avec le dispositif de filtre (10) et entoure sensiblement le filtre (50) lors de l'enlèvement du dispositif de filtre (10).
Edmiston Daryl R.
Johnson Steven W.
Linder Richard J.
Ridout & Maybee Llp
Rubicon Medical Inc.
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