Vascular closure device having a flowable sealing material

A - Human Necessities – 61 – L

Patent

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Details

A61L 24/00 (2006.01)

Patent

CA 2707622

Various embodiments of a device are shown and disclosed for closing a vascular access puncture site following percutaneous diagnostic or therapeutic interventional procedures. The vascular closure device is configured to safely and accurately deploy a sealing material that undergoes a phase change when deployed inside the tissue tract. The sealing material may be a solid at room temperature and a liquid or gel at body temperature. Also, the sealing material may change from a liquid or gel to a cubic phase when it comes into contact with bodily fluids.

Divers modes de réalisation d'un dispositif sont représentés et décrits pour fermer un site de ponction d'accès vasculaire à la suite de procédures de diagnostic percutané ou d'intervention thérapeutique. Le dispositif de fermeture vasculaire est configuré pour déployer de façon sûre et précise un matériau d'étanchéité qui subit un changement de phase lorsqu'il est déployé à l'intérieur du tractus tissulaire. Le matériau d'étanchéité peut être solide à température ambiante et liquide ou sous forme de gel à une température corporelle. En outre, le matériau d'étanchéité peut passer d'une phase liquide ou de gel à une phase cubique lorsqu'il entre en contact avec des fluides corporels.

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