Oral craniofacial bone mill

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/16 (2006.01) A61F 2/46 (2006.01) B02C 18/10 (2006.01) B02C 19/20 (2006.01) A61B 19/02 (2006.01) A61F 2/00 (2006.01) A61F 2/28 (2006.01)

Patent

CA 2402506

A bone mill (10) comprising a vessel and a rotatable grinding tool (16) to produce ground autologous bone particles for surgical bone reconstruction use, wherein the vessel (12) includes a wall (24) defining a circular cylindrical chamber (26) having a concentric axis (X). The vessel (12) further includes a bottom wall (20) at right angle to the axis (X) and a lid (14) adapted to be removably connected to the vessel (12). The lid (14) includes an opening (32) coincident with the axis. The grinding tool (16) includes an elongated shaft (18) extending through the opening (32) in the lid (14) along the axis (X) with a cutting blade (52) mounted to the shaft (18) within the chamber (26) whereby the cutting blade (52) can be rotated by motive means, such as a dental drill, engaging the shaft (18) exterior of the vessel (12) to cut bone, placed in the vessel (12), into said bone particles.

Cette invention concerne une fraise osseuse (10) comprenant un carter et un outil de fraisage rotatif (16). Cette fraise, qui permet d'obtenir des particules osseuses autologues à des fins de reconstruction chirurgicale, comporte un carter (12) dont la paroi (24) définit une chambre cylindrique (26) avec un axe concentrique (X). De plus, le carter comprend une paroi inférieure (20) à angle droit par rapport à l'axe (X) et un couvercle (14) monté amovible sur ledit carter (12).Le couvercle (14) présente une ouverture (32) coïncidant avec l'axe. L'outil de fraisage (16) comporte un arbre allongé (18) qui traverse l'ouverture (32) du couvercle (14) selon l'axe (X) et qui est muni d'une lame de coupe (52) dans la chambre (26). La lame de coupe (52) peut être entraînée par un moteur, via par exemple une fraise dentaire prenant sur l'arbre (18) à l'extérieur du carter (12) et taille dans l'os qui se trouve dans le carter (12) en vue de l'obtention de particules osseuses.

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