Agitating – With specified discharge means – Batch discharge
Reexamination Certificate
2009-04-01
2010-02-09
Cooley, Charles E (Department: 1797)
Agitating
With specified discharge means
Batch discharge
C366S139000, C366S195000, C366S308000
Reexamination Certificate
active
07658537
ABSTRACT:
A bone cement mixing and delivery system is provided in which separate components of bone cement are mixed together in a mixer to form a bone cement mixture. The mixer includes a mixing paddle and a mixing shaft connected to the mixing paddle. A motor operatively engages the mixing shaft to rotate the mixing shaft and the mixing paddle to mix the components in a mixing chamber. The motor also operatively engages a transfer mechanism. After a predetermined mixing period has elapsed, the motor automatically actuates the transfer mechanism to transfer the mixture to a delivery device. The mixture is then delivered to a target site, such as a vertebral body of a patient or other anatomical site.
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USPTO ISA Search Report and Written Opinion for PCT App. No. PCT/US2007/021408, Aug. 2008.
Arnett Jeffery D.
Butters Josh
Coffeen Jared P.
Negroni Carlos
Rossman Christopher A.
Cooley Charles E
Stryker Corporation
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