Tissue removal device for neurosurgical and spinal surgery...

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/32 (2006.01) A61B 17/00 (2006.01) A61B 17/3207 (2006.01) A61B 17/34 (2006.01)

Patent

CA 2748453

A tissue cutting device that is especially suited for neurosurgical applications is disclosed and described. The device includes a handpiece and an outer cannula in which a reciprocating inner cannula is disposed. The inner cannula includes a hinge between a body section and a cutting section that allows the cutting section to pivot when the inner cannula reciprocates within the outer cannula. A tissue collector is also provided and is in fluid communication with the lumen of the inner cannula. The outer and inner cannulae are offset from the motor and drive assembly, and the center of gravity of the device is in the forward part of the device, providing an ergonomic design that is particularly suited for neurosurgical applications.

L'invention concerne un dispositif de découpe de tissu particulièrement approprié pour des applications neurochirurgicales. Ledit dispositif comprend une pièce à main et une canule extérieure dans laquelle une canule intérieure effectuant un mouvement de va-et-vient est disposée. La canule intérieure comprend une charnière entre une partie corps et une partie de coupe qui permet le pivotement de cette dernière lorsque la canule intérieure effectue un mouvement de va-et-vient à l'intérieur de la canule extérieure. Un collecteur de tissu est en communication fluidique avec la lumière de la canule intérieure. Les canules intérieure et extérieure sont décalées par rapport à un moteur et à un ensemble d'entraînement, et le centre de gravité du dispositif se trouve dans la partie avant du dispositif, ce qui présente une conception ergonomique particulièrement appropriée pour des applications neurochirurgicales.

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