Variable angle drill guide

Details Variable angle drill guide Variable angle drill guide

A - Human Necessities

61

B

A61B 17/17 (2006.01) A61B 17/80 (2006.01)

Patent

CA 2669644

There is provided a drill guide assembly (10) adapted for removable connection to a bone plate (200, 310, 1150, 1250) and for guiding a drill bit (300) through at least one hole (202, 312) that has a central axis. The drill guide assembly (10) includes a guide sleeve (80, 600, 910, 952, 1000, 1052, 1110, 1210) and a guide collar (30) connected to the guide sleeve. The guide collar has an outrigger (40, 500, 800), and the outrigger has at least one opening (42, 504, 804) adapted to receive the drill bit. The at least one opening allows an operator to select an angle for placement of the drill bit and limits the maximum angle selectable by the operator.

La présente invention concerne un ensemble guide-foret (10) conçu pour une liaison amovible avec une plaque vissée (200, 310, 1150, 1250) et pour guider un foret (300) au travers d'au moins un trou (202, 312) comportant un axe central. L'ensemble guide-foret (10) comporte un manchon de guidage (80, 600, 910, 952, 1000, 1052, 1110, 1210) et un collier de guidage (30) relié au manchon de guidage. Le collier de guidage comporte une structure en extension (40, 500, 800) pourvue d'au moins une ouverture (42, 504, 804) conçue pour recevoir le foret. L'ouverture considérée permet à un opérateur de choisir un angle de positionnement du foret limitant l'angle maximal que peut choisir l'opérateur.

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