Ancillary equipment for correcting a deformed spine

Details Ancillary equipment for correcting a deformed spine Ancillary equipment for correcting a deformed spine

A - Human Necessities

61

B

A61B 17/60 (2006.01) A61B 17/02 (2006.01) A61B 17/70 (2006.01) A61B 17/88 (2006.01)

Patent

CA 2170275

Ancillary equipment for subjecting a portion of the spine to sustained stress in order to correct and/or maintain the shape of and/or the forces exerted on the vertebrae before and during the positioning of spinal implants. The equipment includes at least two engagement ends (6a, 6b, 6c,... and/or 6a', 6b', 6c',...) for engaging one or preferably both sides of at least two separate respective vertebrae, while at the same time engaging the parallel longitudinal rails (3) of a frame-like support (1) via corresponding corrective branches (4a, 4b, 4c,... and/or 4a', 4b', 4c',...) and a removable base (5) of said engagement ends, and further includes members (13, 17, 43, 65) for adjusting and locking the engagement ends (6a, 6b, 6c,... and/or 6a', 6b', 6c',...) in their relative positions in each or a combination of three orthogonal directions.

L'invention concerte un matériel ancillaire permettant d'exercer et de maintenir des contraintes sur une portion de la colonne vertébrale en vue de corriger et/ou de maintenir la forme et/ou les efforts exercés sur les vertèbres avant et pendant la pose d'une instrumentation rachidienne implantée, caractérisé en ce qu'il comprend au moins deux extrémités d'action (6a, 6b, 6c,... et/ou 6a', 6b', 6c',...) destinées à coopérer, de manière uni- ou de préférence bilatérale, respectivement avec au moins deux vertèbres distinctes, en s'appuyant par leurs branches correctrices correspondantes (4a, 4b, 4c,... et/ou 4a', 4b', 4c',...) et par leur base (5) amovible, sur des rails longitudinaux et parallèles (3) d'un support (1) en forme de cadre, et comprenant également des moyens (13, 17, 43, 65) pour modifier et maintenir les positions relatives des extrémités d'action (6a, 6b, 6c,... et/ou 6a', 6b', 6c',...) selon chacune, isolément ou en association, des trois directions orthogonales.

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