Surgery – Instruments – Cutting – puncturing or piercing
Patent
1997-01-21
1997-10-14
Buiz, Michael
Surgery
Instruments
Cutting, puncturing or piercing
606170, 606177, 30339, A61B 1732
Patent
active
056766807
ABSTRACT:
A method and apparatus for use as a wenchless and adapterless collet system for attaching an elongated surgical cutting blade to an oscillating surgical saw. The system comprises a collet adapted to mate with a particularly shaped blade hub. The collet has a transverse clamping head attached to a longitudinally slidable, axially aligned shaft which is adapted to slide axially along the axis of the handpiece. The handpiece has an annular anchor sleeve having an annular groove proximally adjacent to the collet clamping head. The hub at the proximal end of the blade is provided with a radially inwardly extending locking flange adapted to engage the clamping head and a radially inwardly extending anchor flange adapted to engage the annular groove in the anchor sleeve. The longitudinal spacing between the hub flanges enables the hub to be received adjacent the anchor groove in an interdigitating mating of complementarily shaped surfaces.
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Buiz Michael
Linvatec Corporation
Rasche Patrick W.
Warzecha Gene
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