Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 20, 2022
Patent Application Number
16550162
Date Filed
August 23, 2019
Patent Citations
Patent Primary Examiner
A cannula with a proximally mounted camera and proximally mounted light sources. The lighting sources have beam axes directed distally, toward a workspace at the distal end of the cannula. The light sources are coupled with focusing lenses, to reduce the beam angle of the lighting sources and reduce glare within the cannula tube.
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