Autologous wound sealing apparatus

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/00 (2006.01)

Patent

CA 2492703

Apparatus (10) is provided for sealing a vascular puncture tract by forming the autologous plug within the puncture tract, and extruding that plug into the puncture tract. The apparatus of the present invention forms an autologous blood plug by drawing blood into the apparatus from a vessel, mixing a blood congealing agent with the drawn blood, and ejecting a plug formed from the clotted blood within the puncture tract. Also provided are various closure elements (22) to isolate the drawn blood from the vessel during mixture with the blood congealing agent, and to facilitate placement of the apparatus relative to the vessel.

L'invention concerne un appareil destiné à sceller un tractus ponctiforme vasculaire par formation d'un bouchon autologue dans le tractus ponctiforme, et à extruder ce bouchon dans ledit tractus. L'appareil de l'invention forme un bouchon sanguin autologue par prélèvement de sang dans l'appareil à partir du récipient, par mélange d'un agent de congélation du sang avec le sang prélevé, et par expulsion du bouchon formé à partir du sang coagulé dans le tractus ponctiforme. L'invention concerne également divers éléments de fermeture destinés à isoler le sang prélevé du récipient au cours du mélange avec l'agent de congélation de sang, et à faciliter le placement de l'appareil par rapport au récipient.

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