A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 2/44 (2006.01) A61F 2/46 (2006.01)
Patent
CA 2758712
A trial implant assembly (20) is provided that includes a threaded shaft having exterior threading adjacent a distal end (26b) and a trial implant (22) that includes a trial base (34) having an interiorly threaded through hole couplable to the distal end of the shaft (24) and a trial head (36) having a superior endplate (50) and an inferior endplate (52) and a support connecting the superior endplate to the inferior endplate. A variety of visualization windows are provided through the trial implant as well as a variety of mechanically adjustable stops to prevent over insertion of the trial head (36) within the intervertebral disc space.
La présente invention concerne un ensemble implant d'essai (20) comprenant une tige filetée comportant un filetage extérieur adjacent à une extrémité distale (26b) et un implant d'essai (22) comportant une embase d'essai (34) possédant un trou traversant fileté à l'intérieur qui peut être couplé à l'extrémité distale de la tige (24), et une tête d'essai (36) comportant un plateau terminal supérieur (50) et un plateau terminal inférieur (52), ainsi qu'un support reliant le plateau terminal supérieur au plateau terminal inférieur. Diverses fenêtres de visualisation sont prévues dans l'implant d'essai, de même que divers arrêts mécaniquement réglables pour empêcher toute introduction excessive de la tête d'essai (36) dans l'espace intervertébral.
Bonner Christopher
Chow David
Gerber David
Reichen Marc
Riew Daniel
Smart & Biggar
Synthes Usa Llc
LandOfFree
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