A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/80 (2006.01)
Patent
CA 2685173
A bone plate (1) with a longitudinal axis (2), a bottom surface (10) facing a bone and a top surface (11) and comprising a) an oblong base plate (3) with a anchoring portion (21) extending towards a first end (26) of the base plate (3) and a coupling portion (23) extending towards a second end (27) of the base plate (3); b) a sliding plate (6) connected with said coupling portion (23) which is slideable parallel to said longitudinal axis (2); whereby c) at least one first plate hole (4) is located in said anchoring portion (21) and at least one second plate hole (13) is located in said sliding plate (6); d) said base plate (3) and/or said sliding plate (6) is provided with retaining means (5) limiting a motion of said sliding plate (6) relative to said base plate (3) perpendicular to said top surface (11) in such manner that the sliding quality between said sliding plate (6) and said base plate (3) is maintained; and e) said at least one second plate hole (13) of said sliding plate (6) is provided with rigid locking means (12) allowing a rigid connection between a screw head (8) of a bone screw (7) insertable therein.
L'invention porte sur une lame osseuse (1) ayant un axe longitudinal (2), une surface inférieure (10) tournée vers un os et une surface supérieure (11) et comprenant a) une plaque de base oblongue (3) avec une partie d'ancrage (21) s'étendant vers une première extrémité (26) de la plaque de base (3) et une partie de couplage (23) s'étendant vers une seconde extrémité (27) de la plaque de base (3); b) une plaque coulissante (6) reliée à ladite partie de couplage (23) qui peut coulisser parallèlement audit axe longitudinal (2); c) au moins un premier trou de plaque (4) situé dans ladite partie d'ancrage (21) et au moins un second trou de plaque (13) situé dans ladite plaque coulissante (6); d) ladite plaque de base (3) et/ou ladite plaque coulissante (6) comportent des moyens de retenue (5) qui limitent un mouvement de ladite plaque coulissante (6) par rapport à ladite plaque de base (3) perpendiculairement à ladite surface supérieure (19) de manière que la qualité de coulissement entre ladite plaque coulissante (6) et ladite plaque de base (3) soit conservée; et e) lesdits seconds trous de plaque (13) de ladite plaque coulissante (6) comportent des moyens de verrouillage rigide (12) permettant une connexion rigide avec la tête (8) d'une vis à os (7) pouvant y être introduite.
Frigg Robert
Fuerst Christoph
Niederberger Alfred
Bcf Llp
Frigg Robert
Fuerst Christoph
Niederberger Alfred
Synthes Usa Llc
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