Surgery – Instruments – Cutting – puncturing or piercing
Reexamination Certificate
2005-10-25
2005-10-25
Dawson, Glenn K. (Department: 3731)
Surgery
Instruments
Cutting, puncturing or piercing
C606S170000, C606S080000
Reexamination Certificate
active
06958071
ABSTRACT:
A surgical tool system comprising a handpiece and a cutting accessory that is releaseably secured to the handpiece. The handpiece has a gear assembly with two drive heads. The gear assembly turns the drive heads at different rotational speeds relative to each other. The cutting accessory is provided with one of two drive hubs. If the cutting accessory is provided with a first drive hub, the drive hub mates to a first one of the drive heads so as to turn of the speed of that head. If the cutting accessory is provided with a second drive hub, the drive hub mates to the second drive head so as to turn at the speed of that head. Thus, the speed at which the cutting accessory is actuated is a function of the associated drive head.
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International Search Report for PCT/US03/12656, mailed Jan. 15, 2004, 6 pages.
Barnes Milton
Carusillo Steven
Henniges Bruce D.
Davis D. Jacob
Dawson Glenn K.
Flynn ,Thiel, Boutell & Tanis, P.C.
Stryker Corporation
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