Method and apparatus for closing vascular puncture

Details Method and apparatus for closing vascular puncture Method and apparatus for closing vascular puncture

A - Human Necessities

61

B

A61B 17/00 (2006.01)

Patent

CA 2417962

A method and apparatus for closing a vascular wound includes a guidewire (58) and/or other surgical implement (32) extending from the wound (w). A sponge- like hemostatic material (80) is advanced over the surgical implement and into contact with an area of the blood vessel (94) surrounding the wound. The surgical implement (32) is removed. Blood (b) soaks the hemostatic material (80), and blood clotting is facilitated by the hemostatic agent within the material. A sealing layer of adhesive (106) can be applied to the sponge-like material (80), confining the blood flow to the sponge. Thus, the vascular puncture wound (w) is sealed by natural blood clot formation.

L'invention concerne un procédé et un dispositif de fermeture de plaie vasculaire, qui comprend un fil-guide (58) et/ou un autre instrument (32) chirurgical s'étendant à partir de la plaie (w). On fait avancer une matière (80) hémostatique du type éponge sur l'instrument chirurgical de sorte qu'elle entre en contact avec une zone du vaisseau (94) sanguin entourant la plaie. Puis on retire l'instrument (32) chirurgical. Le sang (b) imbibe la matière (80) hémostatique et la coagulation du sang est facilitée par l'agent hémostatique situé dans la matière. Une couche étanche d'adhésif (106) peut être appliquée à la matière (80) de type éponge pour confiner l'écoulement de sang dans celle-ci. De cette manière, la plaie (w) de ponction vasculaire est fermée par la formation d'un caillot sanguin naturel.

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