Surgical sagittal saw with indexing head and toolless blade...

Details Surgical sagittal saw with indexing head and toolless blade... Surgical sagittal saw with indexing head and toolless blade...

A - Human Necessities

61

B

A61B 17/14 (2006.01)

Patent

CA 2621692

A surgical sagittal saw (50) with an indexing head. The saw actuates a blade assembly (52) that includes a bar from which a blade head (76) extends. An oscillating head (70) extends upwardly from the saw head (68) . The oscillating head, in addition is mounted to the saw head to be able to rotate around its longitudinal axis and so that it can move along the saw head. A biasing spring normally holds the oscillating head in a fixed position. When the oscillating head is in the fixed position, the oscillating head holds the blade assembly against a restraining bracket integral with the saw head. Manual force is used to overcome the biasing spring to allow replacement and removal of the blade assembly.

L'invention concerne une scie sagittale chirurgicale dotée d'une tête d'indexage. Ladite scie permet d'actionner un ensemble de lame comprenant une barre, à partir de laquelle s'étend une tête de lame. Une tête oscillante s'étend vers le haut à partir de la tête de la scie. Cette tête oscillante est montée à la tête de la scie de manière à tourner autour de son axe longitudinal et à pouvoir se déplacer le long de la tête de la scie. Un ressort de polarisation retient, normalement, la tête oscillante à une position fixe. Lorsque la tête oscillante se trouve en position fixe, elle retient l'ensemble de lame contre un support d'immobilisation qui forme une seule pièce avec la tête de la scie. Une force manuelle est utilisée pour surmonter le ressort de polarisation de façon à permettre le remplacement et le retrait dudit ensemble de lame.

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