Pin for securing a replacement ligament to a bone

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/86 (2006.01) A61F 2/08 (2006.01) A61F 2/38 (2006.01)

Patent

CA 2153594

A pin (10) is provided for securing a replacement ligament (38, 40) inside a tunnel (34) of a receptor bone (32). The pin (10) includes a body portion having a threaded section (16) for engaging the receptor bone (32) to anchor the pin (10) in the receptor bone (32). The body partion also includes a tapered shank (18) located adjacent the threaded portion (16). The tapered shank (18) is configured to enter a drilled hole (42) having a predetermined diameter formed in the replacement ligament (38) to force the replacement ligament (38) against the wall of the tunnel (34). The tapered shank (18) has a first diameter (24) at a first end of the tapered shank (18) opposite the threaded portion (16) which is smaller than the predetermined diameter of the drilled hole (42) and a second diameter (26) adjacent the threaded portion (16) which is larger than the predetermined diameter so that the tapered shank (18) engages the replacement ligament (38) in the tunnel (34) as the pin (10) is inserted through the drilled hole (42) in the replacement ligament (38).

Broche (10) pour assujettir un ligament de remplacement (38, 40) à l'intérieur d'un tunnel (34) dans un os récepteur (32). La broche comporte une partie corps ayant une section filetée (16) pour se mettre en prise sur l'os récepteur (32) de manière à ancrer la broche (10) dans l'os récepteur (32). La partie corps comporte aussi une tige conique (18) près de la partie filetée (16). La tige conique (18) est configurée pour entrer dans un trou foré (42) de diamètre prédéterminé pratiqué dans le ligament de remplacement (38) pour coïncer le ligament de remplacement (38) contre la paroi du tunnel (34). La tige conique (18) a un premier diamètre (24) à un premier bout de la tige conique (18) à l'opposé de la partie filetée (16) qui est inférieur au diamètre prédéterminé du trou foré (42) et un second diamètre (26) près de la partie filetée (16) qui est supérieur au diamètre prédéterminé, de sorte que la tige filetée (18) se met en prise sur le ligament de remplacement (38) dans le tunnel (34) quand la broche (10) est introduite dans le trou foré (42) pratiqué dans le ligament de remplacement (38).

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