# US 2021/0330232 A1 · Electrode and uses thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0330232 A1 - Document ID: US20210330232A1 - Status: Published application - Kind: A1 - Application number: 17/286,843 - Filed: 2019-10-24 - Published: 2021-10-28 - Earliest claimed: 2018-10-24 - Assignees: Bioserenity - Applicants: BioSerenity - Inventors: Julie Oziat; Philippe GUERMONPREZ - Web page: https://patentgrep.com/patent/US20210330232A1 ## CPC - A61B 5/257: using adhesive means, e.g. adhesive pads or tapes - A61B 5/6833: {Adhesive patches} - A61B 5/053: Measuring electrical impedance or conductance of a portion of the body - A61B 5/37: Intracranial electroencephalography [IC-EEG], e.g. electrocorticography [ECoG] - A61B 5/6831: {Straps, bands or harnesses} - A61B 5/4839: {combined with drug delivery} - A61B 2560/0285: Apparatus for single use - A61B 2562/0215: Silver or silver chloride containing - A61B 2562/0217: Electrolyte containing - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract The present invention relates to an electrode (1) comprising: —at least one reservoir (11) comprising a peripheral wall (111) made of a foam material, wherein said reservoir (11) is filled with a viscous electrolytic paste (12); —at least one plate (13) comprising a conductor material, wherein said plate (13) is in contact with the electrolytic paste (12) and configured to conduct electrical signals to a recording device; —at least one fastener (14); and wherein the at least one reservoir (11) comprises a hole (113) configured to release the electrolytic paste (12) under pressure applied on the electrode (1). The present invention also relates to the use of said electrode (1) and a process for the implementation of an electrode (1). ## Claims ### Claim 1 An electrode comprising: at least one reservoir comprising a peripheral wall made of a foam material, wherein said reservoir is filled with an electrolytic paste, wherein the electrolytic paste exhibits a viscosity ranging from 10 Pa·s to 30 kPa s; at least one plate comprising a conductor material, wherein said plate is in contact with the electrolytic paste and configured to conduct electrical signals to a recording device; at least one fastener; and wherein the at least one reservoir comprises a hole configured to release the electrolytic paste under pressure applied on the electrode. ### Claim 2 (depends on 1) The electrode according to claim 1, further comprising a bottom polymeric washer. ### Claim 3 (depends on 1) The electrode according to claim 1, further comprising at least one double-sided adhesive sheet between the peripheral wall and the bottom polymeric washer. ### Claim 4 (depends on 1) The electrode according to claim 1, wherein the at least one plate comprises a conductor material selected in the group of: Ag/AgCl, electrically conductive silicone, electrically conductive polymer, a plastic loaded with a conductive material such as for example a plastic coated with Ag/AgCl, or mixture thereof. ### Claim 5 (depends on 1) The electrode according to claim 1, wherein the at least one reservoir has a volume ranging from 0.1 ml to 100 ml. ### Claim 6 (depends on 1) The electrode according to claim 1, wherein the electrolytic paste exhibits an electrical conductivity ranging from 0.01 to 100 S/m. ### Claim 7 (depends on 1) The electrode according to claim 1, wherein the electrolytic paste exhibits a viscosity ranging from 10 kPa·s to 30 kPa·s. ### Claim 8 (depends on 1) The electrode according to claim 1, wherein the electrolytic paste exhibits a viscosity ranging from 10 Pa·s to 10 kPa·s. ### Claim 9 (depends on 1) The electrode according to claim 1, wherein the electrolytic paste is compatible with skin contact. ### Claim 10 (depends on 1) The electrode according to claim 1, wherein the at least one fastener is a snap fastener. ### Claim 11 (depends on 1) The electrode according to claim 1, wherein the foam material of the peripheral wall comprises a material selected in the group of: polyurethane, silicone, polyethylene, or a mixture thereof. ### Claim 12 (depends on 1) The electrode according to claim 1, wherein the foam material has at least one sticky face configured to adhere to the skin. ### Claim 13 (depends on 1) The electrode according to claim 1, wherein the peripheral wall comprises at least two parts assembled with a double-sided adhesive sheet. ### Claim 14 (depends on 1) The electrode according to claim 1, wherein said electrode is disposable. ### Claim 15 (depends on 1) The electrode according to claim 1, wherein said electrode is ready to use in an EEG electrode support such as for example an EEG headgear, an ECG electrode support, a FECG electrode support, an EMG electrode support, an EIT electrode support, a TENS electrode support, a bioimpedance electrode support, or any electrostimulation electrode support. ### Claim 16 (depends on 1) Use of the electrode according to claim 1 in an EEG electrode support, an ECG electrode support, an EMG electrode support, a FECG electrode support, an EIT electrode support, bioimpedance electrode support or any electrostimulation electrode support. ### Claim 17 (depends on 1) Process for the implementation of an electrode according to claim 1 comprising the following steps: fastening the electrode to an electrode support in a predefined position; and applying pressure on the at least one fastener to deliver the electrolytic paste from the at least one reservoir to the skin of a subject.