Geometrical instruments – Gauge – Anatomical
Reexamination Certificate
2004-07-26
2008-10-14
Bennett, G. Bradley (Department: 2841)
Geometrical instruments
Gauge
Anatomical
C033S836000
Reexamination Certificate
active
07434325
ABSTRACT:
A measurement instrument is provided with indicia extending therealong. The measurement instrument indicia is correlated with an indicator of a reference instrument. The measurement instrument is positionable adjacent the entry location of a portal into a patient when the reference instrument is in the portal. The indicator of the reference instrument is correlated to a target location in the patient, and a location of the indicator along the indicia provides an indication of the optimal length for a retractor to be positioned in the portal.
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Foley Kevin T.
Melkent Anthony J.
Bennett G. Bradley
Krieg DeVault LLP
Warsaw Orthopedic Inc.
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