Extra-vascular sealing device and method

A - Human Necessities – 61 – B

Patent

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A61B 17/00 (2006.01)

Patent

CA 2692565

Various embodiments of a device are shown and disclosed for closing a vascular access puncture site following percutaneous diagnostic or therapeutic interventional procedures. In one embodiment, the closure device includes a vessel locating member (92), an anchor (112) and a sealing material (120). The closure device may be configured to deploy the anchor (112) and the sealing material (120) outside of a hole in a blood vessel to close the hole. The vessel locating member (92) may be used to locate the blood vessel to ensure that the anchor (112) and/or the sealing material (120) are properly placed adjacent to the hole. The closure device may also include a tamper member (126) configured to push or tamp the sealing material (120) against the anchor (112). The closure device may also include a suture (118) that is used to hold the sealing material (120) and the anchor (112) together adjacent to the hole in the blood vessel.

L'invention concerne divers modes de réalisation d'un dispositif destiné à fermer des sites de piqûre d'accès vasculaire après des opérations d'intervention thérapeutique ou de diagnostic percutanées. Dans un mode de réalisation, le dispositif de fermeture comprend un élément de positionnement de vaisseau, une ancre et un matériau d'étanchéification. Le dispositif de fermeture peut être configuré pour déployer l'ancre et le matériau d'étanchéification à l'extérieur d'un trou dans le vaisseau sanguin pour fermer le trou. L'élément de positionnement de vaisseau peut être utilisé pour positionner le vaisseau sanguin pour assurer que l'ancre et/ou le matériau d'étanchéification sont correctement placés adjacents au trou. Le dispositif de fermeture peut aussi comprendre un élément pousseur configuré pour pousser ou comprimer le matériau d'étanchéification contre l'ancre. Le dispositif de fermeture peut aussi comprendre une structure qui est utilisée pour maintenir ensemble le matériau d'étanchéification et l'ancre de manière adjacente au trou du vaisseau sanguin.

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