Modular acetabular cup, and anchoring screw for fixing a...

A - Human Necessities – 61 – F

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A61F 2/34 (2006.01) A61B 17/80 (2006.01) A61B 17/86 (2006.01) A61F 2/00 (2006.01) A61F 2/30 (2006.01) A61F 2/32 (2006.01)

Patent

CA 2454672

The invention concerns a modular acetabular cup for surgical treatment for hip joint reconstruction in cases of total recovery of hip implant, and an anchoring screw for fixing a prosthetic implant such as said acetabular cup. The prosthetic acetabular cup comprises a support-plate (1) designed to be arranged in the acetabular cavity and anchored by means of an anchoring screw (4) including means (48) for adjusting the positioning and the locking in depth of said support-plate (1) and an adjustable spacer (2) locked thereon by a tapered shank assembly system (16, 21) and further a metal acetabular shell (3) designed to be assembled to said spacer (2) by a tapered shank assembly system (24, 33).

Cotyle prothétique modulaire pour le traitement chirurgical de la reconstruction de l'articulation de la hanche dans les cas de reprises totales de prothèses de hanche, et vis d'ancrage pour la fixation d'un implant prothétique tel que ledit cotyle. Le cotyle prothétique comporte d'une part une platine-support (1) destinée à être disposée dans la cavité acétabulaire et ancrée au moyen de vis d'ancrage (4) présentant des moyens (48) permettant d'assurer le réglage du positionnement et le verrouillage en profondeur de ladite platine-support (1); d'autre part une entretoise orientable (2) verrouillée sur cette dernière par un système d'assemblage de type à cônes morses (16, 21); et d'autre part encore une cupule métallique (3) destinée à être assemblée à ladite entretoise (2) par un système d'assemblage de type à cônes morses (24, 33).

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