Surgical instrumentation and method for treatment of a...

A - Human Necessities – 61 – B

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

Patent

CA 2555349

Instrumentation and method for treatment of a spinal structure, comprising an elongate member (22) including a deformable distal portion (22a) having an initial configuration for placement within the spinal structure and a deformed configuration wherein the distal portion (22a) is outwardly deformed to form a cavity (C) in the spinal structure. The elongate member (22, 122) comprises a cannula member (32) and an actuator member (30) that is removably positioned within the cannula member (32) and configured to transition the deformable distal portion (22a) from the initial configuration toward the deformed configuration. The actuator member (30) is selectively removed from the cannula member (32) to provide a passageway (60) for delivery of a material (M) into the cavity (C) formed in the spinal structure.

La présente invention a trait à des instruments et un procédé pour le traitement d'une structure rachidienne, comportant un organe de forme allongée (22) comprenant une portion distale déformée (22a) présentant une configuration initiale pour son placement dans la structure rachidienne et une configuration déformée dans laquelle la portion distale (22a) est déformée vers l'extérieur pour former une cavité (C) dans la structure rachidienne. L'organe de forme allongée (22, 122) comporte un élément de canule (32) et un élément d'actionneur (30) qui est positionné de manière amovible dans l'élément de canule (32) et est agencé pour la transformation de la portion distale déformable (22a) depuis sa configuration initiale vers la configuration déformée. L'élément actionneur (30) est soumis à un retrait sélectif depuis l'élément de canule (32) pour fournir un passage (60) pour l'administration d'une matière (M) dans la cavité (C) formée dans la structure rachidienne.

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