Patent ID: 9398864
Filing Date: 2016-07-26
CPC Classification: A61B

Claim Text:
1. A headset comprising: a cap to be worn on a head of a person; a first electrode holder carried by the cap, the first electrode holder defining a first opening therethrough; a first electrode insertable into the first opening, the first electrode having a first length, a plurality of discrete annular rings extending around an outer surface of the first electrode, the first electrode rotatable in the first opening, the first electrode being adjustable in the first opening to a first plurality of different depths of insertion relative to the first opening, the first electrode to engage the head of the person when inserted a first depth into the first opening; and a second electrode interchangeable with the first electrode and insertable into the first opening, the second electrode having a second length greater than the first length and being adjustable in the first opening to a second plurality of different depths of insertion relative to the first opening, the second electrode to engage the head of the person when inserted a second depth into the first opening.