Surgical sagittal saw assembly including a saw blade with a...

Details Surgical sagittal saw assembly including a saw blade with a... Surgical sagittal saw assembly including a saw blade with a...

A - Human Necessities

61

B

A61B 17/14 (2006.01) A61B 17/15 (2006.01) B27B 19/00 (2006.01)

Patent

CA 2572860

A surgical sagittal saw including a handpiece from which a planar guide bar extends. A saw blade is mounted to the distal end of the guide bar to move across the guide bar. Drive rods connect the saw blade to a drive assembly in the handpiece, which drive assembly reciprocates the drive rods. The drive rods oscillate the saw blade across the distal end of the guide bar. The saw is used with a cutting guide that is in a fixed position relative to the bone or hard tissue to be cut. A capture element is disposed adjacent the guide surface and holds the guide bar to the guide surface so the cut is made along the desired cut plane.

L'invention concerne une scie sagittale comportant une pièce à main de laquelle s'étend une barre de guidage plane. Une lame de scie est montée sur l'extrémité distale de la barre de guidage, de manière qu'elle se déplace sur la barre de guidage. Des bielles d'entraînement relient la lame de scie à un ensemble d'entraînement se trouvant dans la pièce à main, ensemble déplaçant en va-et-vient les bielles d'entraînement. Les bielles d'entraînement font osciller la lame de scie sur l'extrémité distale de la barre de guidage. Cette scie est utilisés avec un guide coupant se trouvant en position fixe par rapport à l'os ou au tissu dur à couper. Un élément de capture est prévu en position adjacente à la surface de guidage et maintient la barre de guidage sur la surface de guidage, de sorte que la découpe se fasse le long du plan de coupe souhaité.

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