Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Forrest Samuel0
Jonathan D. Spangler0
Date of Patent
February 13, 2018
Patent Application Number
13830508
Date Filed
March 14, 2013
Patent Citations Received
Patent Primary Examiner
Patent abstract
A stationary dilator includes one or more electrodes in the distal region that are rotatable around the longitudinal axis of the dilator. The one or more electrodes are operable to deliver electrical stimulation signals to tissue through which the dilator is passed. The stimulation signals can be used for determining nerve directionality and optionally nerve proximity during surgical procedures involving the presence of neural structures.
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