Wrenchless collet for surgical blade

Details Wrenchless collet for surgical blade Wrenchless collet for surgical blade

1997-07-03

1998-11-24

Watts, Douglas D.

Cutlery

Holders for detachable blades

Interlocked blade and holder

606178, A61B 1714

Patent

active

058391967

ABSTRACT:
A wrenchless collet for attaching a surgical saw blade to an oscillating handpiece. The collet is provided within a housing attached to the handpiece and contains a clamping means for holding the blade and a bi-stable operating mechanism capable of holding the clamping means in either an open position to receive the blade or in a closed position to hold the blade for use with the handpiece. The bi-stable operating mechanism is activated into either position by simply being pushed in one direction or another. In one embodiment, the bi-stable operating mechanism comprises a shaft which may be positioned to one axial extreme or the other and which is held in the chosen position by a spring which frictionally engages the collet housing to maintain the clamping means in either an open or closed position.

REFERENCES:
patent: 3750283 (1973-08-01), Hoffman
patent: 4106181 (1978-08-01), Mattchen
patent: 4294013 (1981-10-01), Krieg
patent: 4386609 (1983-06-01), Mongeon
patent: 5013194 (1991-05-01), Wienhold
patent: 5237884 (1993-08-01), Seto
patent: 5265343 (1993-11-01), Pascaloff
patent: 5380333 (1995-01-01), Meloul et al.
patent: 5383785 (1995-01-01), Brugger
patent: 5458346 (1995-10-01), Briggs
patent: 5496316 (1996-03-01), Goris
patent: 5676680 (1997-10-01), Lim
Article Entitled New Wrenchless Collet for Hall Large Bone Oscillating Saws, Zimmer, Inc. Jul. 22, 1991, 2 pages.

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