US 12,336,826 B2
Methods and apparatus for electrode placement and tracking
Josef Parvizi, Palo Alto, CA (US); Xingjuan Chao, Palo Alto, CA (US); Bradley G. Bachelder, Menlo Park, CA (US); Raymond Woo, Los Altos, CA (US); Mathew A. Herron, Hayward, CA (US); Vahid Saadat, Atherton, CA (US); Alexander M. Grant, Redwood City, CA (US); and Jianchun Yi, San Jose, CA (US)
Assigned to Ceribell, Inc., Sunnyvale, CA (US)
Filed by Ceribell, Inc., Sunnyvale, CA (US)
Filed on Dec. 28, 2021, as Appl. No. 17/564,135.
Application 17/564,135 is a continuation of application No. 17/089,586, filed on Nov. 4, 2020, granted, now 12,150,769.
Application 17/089,586 is a continuation of application No. 15/783,346, filed on Oct. 13, 2017, granted, now 10,888,240, issued on Jan. 12, 2021.
Application 15/783,346 is a continuation of application No. 15/387,381, filed on Dec. 21, 2016, granted, now 9,820,670, issued on Nov. 21, 2017.
Claims priority of provisional application 62/314,873, filed on Mar. 29, 2016.
Prior Publication US 2022/0117536 A1, Apr. 21, 2022
Int. Cl. A61B 5/291 (2021.01); A61B 5/00 (2006.01); A61B 5/324 (2021.01); A61B 5/325 (2021.01)
CPC A61B 5/291 (2021.01) [A61B 5/324 (2021.01); A61B 5/325 (2021.01); A61B 5/6803 (2013.01); A61B 5/721 (2013.01); A61B 2562/043 (2013.01); A61B 2562/14 (2013.01); A61B 2562/164 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A headband comprising:
a backing configured for placement upon a head of a patient; and
a plurality of electrode assemblies distributed over a length of the backing,
wherein one or more of the plurality of electrode assemblies comprises an upper body portion and a lower body portion, wherein the upper body portion comprises a reservoir containing an electrically conductive fluid or gel, wherein the lower body portion is rotatably mounted to the backing and comprises at least one elongate member, wherein the at least one elongate member comprises a tissue-contacting surface and a lumen having a distal opening, the tissue-contacting surface having a recess and a skin preparation surface, and wherein the one or more electrode assemblies is configured to deliver the electrically conductive fluid or gel from the reservoir through the distal opening of the lumen and through the recess, and
wherein another one or more of the plurality of electrode assemblies are configured without an elongate member.