Implantable orthopedic device component selection instrument...

A - Human Necessities – 61 – F

Patent

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Details

A61F 2/46 (2006.01) A61F 2/44 (2006.01)

Patent

CA 2623896

The present invention provides tools and methods designed to aid in the placement of artificial facet joints at virtually all spinal levels. One aspect of the present invention is a measurement tool for installing an artificial cephalad facet joint including a fixation measurement element and a support arm element. This measurement tool assists in the selection and/or configuration of an artificial cephalad facet joint for implantation in a patient. Another aspect is a measurement tool for installing a caudad facet joint including a stem element and a trial caudad bearing surface element. This measurement tool assists in the selection and/or configuration of a caudad facet joint for implantation in a patient. Yet another aspect is a measurement tool holder including a measurement surface connected to a holder element. This tool holder assists in determining the measurements obtained with the caudad facet joint measurement tool.

La présente invention concerne des outils et des procédés destinés à faciliter la mise en place de facettes vertébrales lombaires artificielles au niveau de la quasi-totalité des étages vertébraux. Un aspect de la présente invention est un outil de mesure destiné à installer une facette vertébrale lombaire artificielle comprenant un élément de mesure de fixation et un bras de support. L'outil de mesure facilite la sélection et/ou la configuration d'une facette vertébrale lombaire céphalique en vue d'une implantation chez un patient. Un autre aspect est un outil de mesure destiné à installer une facette vertébrale lombaire caudale comportant une tige et une surface de support caudal d'essai. Cet outil de mesure facilite la sélection et/ou la configuration d'une facette vertébrale lombaire caudale en vue d'une implantation chez un patient. Un aspect supplémentaire est un support d'outil de mesure comprenant une surface de mesure reliée à un élément de support. Ce support d'outil facilite la détermination des mesures obtenues avec l'outil de mesure de facette vertébrale lombaire.

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