Systems and methods for determining optimal retractor length in minimally invasive procedures
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United States of America Patent
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Oct 14, 2008
Grant Date -
Jan 26, 2006
app pub date -
Jul 26, 2004
filing date -
Jul 26, 2004
priority date (Note) -
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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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