Device, system and method for delivering a curable material...

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/88 (2006.01) A61B 17/34 (2006.01)

Patent

CA 2677644

A curable material delivery cannula device (25) is disclosed. The device includes a cannula and a hub. The cannula includes an open proximal end, a deflectable segment (88) forming a pre-set curve, a lumen, and side orifice (s) (84) adjacent, and proximally spaced from, the distal end and fluidly connected to the lumen. When inserted within a guide cannula, the deflectable segment straightens. When distally extended from the guide cannula, the deflectable segment reverts to the curved shape. The distal end has a blunt tip for non-traumatic interface with bodily material. During use, curable material, such as bone cement, is delivered from the side orifice (s) in a radial direction relative to the lumen.

L'invention concerne un dispositif de délivrance d'un matériau durcissable à canule. Le dispositif comprend une canule et un raccord. La canule comprend une extrémité proximale ouverte, un segment déformable formant une courbe pré-établie, une lumière, et un ou des orifices latéraux adjacents à l'extrémité distale, et espacés de manière proximale de celle-ci, et reliés de manière hydraulique à la lumière. Lorsqu'il est inséré dans une canule guide, le segment déformable devient droit. Lorsqu'il est étendu de manière distale à partir de la canule guide, le segment déformable reprend la forme incurvée. L'extrémité distale a une pointe émoussée pour une interface non traumatique avec un matériau corporel. Pendant une utilisation, un matériau durcissable, tel que du ciment osseux, est délivré à partir du ou des orifices latéraux dans une direction radiale par rapport à la lumière.

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