A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 2/44 (2006.01) A61F 2/30 (2006.01) A61F 2/00 (2006.01)
Patent
CA 2508666
The invention relates to an intervertebral implant (1) comprising a lower implant part (2), which comprises a central axis (11) and an apposition section (4), designed to rest against the covering surface of the adjacent lower vertebra and an upper implant part (5) comprising a bore (30) with an internal thread (7), a central axis (11) and an apposition section (8), designed to rest against the covering surface of the adjacent upper vertebra. The invention is characterised in that the two implant parts (2, 5) are secured in relation to each other against rotation about the central axis (11) and that a threaded screw (9) with an external thread (10) is guided in the upper implant part (5) and connected to the lower implant part (2), said external thread co-operating with the internal thread (7). The two implant parts (2, 5) and the threaded screw (9) lie coaxially along their common central axis (11), said threaded screw (9) being connected to the lower implant part (2) so that it is axially fixed but able to rotate.
L'invention concerne un implant intervertébral (1) comprenant une partie implant inférieure (2), qui comporte un axe central (11) et une partie d'apposition (4) destinée à prendre appui contre la surface de recouvrement de la vertèbre inférieure contiguë, et une partie implant supérieure (5), qui comprend un alésage (30) taraudé (7), un axe central (11) et une partie d'apposition (8) destinée à prendre appui contre la surface de recouvrement de la vertèbre supérieure contiguë. Les deux parties implants (2, 5) sont mutuellement sécurisées contre la rotation autour de l'axe central (11). Ledit implant est également doté d'une broche filetée (9) extérieurement (10) guidée dans la partie implant supérieure (5) et reliée à la partie implant inférieure (2), cette broche coopérant avec le taraudage (7). Les deux parties implants (2, 5) et la broche filetée (9) sont disposées de manière coaxiale le long de leur axe central (11) commun, la broche filetée (9) étant reliée à la partie implant inférieure (2) de manière axialement fixe mais rotative.
Guetlin Michael
Schaer Manuel
Osler Hoskin & Harcourt Llp
Synthes (u.s.a.)
Synthes Usa Llc
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