Instrument for inserting, adjusting and removing pedicle...

Details Instrument for inserting, adjusting and removing pedicle... Instrument for inserting, adjusting and removing pedicle...

2007-06-05

2007-06-05

Prebilic, Paul B. (Department: 3738)

Surgery

Instruments

Orthopedic instrumentation

C606S099000

Reexamination Certificate

active

10815888

ABSTRACT:
An instrument for inserting, adjusting and engaging an implant, such as a polyaxial screw of a spinal fixation system, includes at least one retratractable tab for engaging a corresponding recess on the implant and a shaft that moves relative to the retractable tab. The movable shaft selectively moves the tab between an expanded position for engaging the recess and a retracted position out of engagement with the recess. The shaft selectively engages a portion of the implant to rigidify the implant after the retractable tab engages the recess. The axially extending shaft may be disposed within an axially extending passageway of a body assembly. A rotatable collar surrounding the body assembly is coupled to the shaft for moving the shaft relative to the retractable tab.

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