Electromagnetic energy delivery intervertebral disc...

A - Human Necessities – 61 – B

Patent

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A61B 18/14 (2006.01)

Patent

CA 2449379

An intervertebral disc device is provided comprising a distal probe sized to be extended from a distal end of an introducer that is percutaneously delivered into an interior of an intervertebral disc, a distal section of the probe comprising an active and return electrode which are each spirally wrapped around the probe such that there are multiple alternating bands of the same active and return positioned longitudinally along the length of the distal section of the probe, the active and return being adapted to deliver bipolar electromagnetic energy to tissue within the intervertebral disc; and a proximal handle for externally guiding the probe within an intervertebral disc.

L'invention concerne un dispositif de traitement discal, qui comprend une sonde distale dimensionnée pour se déployer à partir d'une extrémité distale d'un introducteur qu'on insère par voie percutanée à l'intérieur d'un disque intervertébral. Une section distale de la sonde comprend une électrode active et une électrode de retour enveloppées en spirale autour de la sonde, de sorte que plusieurs bandes alternées desdites électrodes soient placées longitudinalement le long de la section distale de la sonde, lesquelles électrodes sont adaptées pour transmettre une énergie électromagnétique bipolaire au tissu situé à l'intérieur du disque intervertébral. Le dispositif de traitement discal comprend en outre une poignée proximale servant à guider de l'extérieur la sonde à l'intérieur d'un disque intervertébral.

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