SILVER, SILVER CHLORIDE ELECTRODES
First Claim
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2. A bioelectrode as claimed in claim 1, wherein:
- said matrix covers said electrical conductor within said container means and has an exposed surface adjacent said electrolyte-retaining means; and
said interspersed silver particles and silver chloride particles are in electrical contact with said conductor and extend throughout said matrix from said electrical conductor to said exposed surface of said matrix.
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Abstract
Silver, silver chloride electrodes comprise a plurality of silver particles and silver chloride particles and an electrically insulating, water impermeable, inert organic matrix therefor. The silver particles and silver chloride particles are interspersed with each other in and throughout the matrix.
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Citations
25 Claims
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2. A bioelectrode as claimed in claim 1, wherein:
- said matrix covers said electrical conductor within said container means and has an exposed surface adjacent said electrolyte-retaining means; and
said interspersed silver particles and silver chloride particles are in electrical contact with said conductor and extend throughout said matrix from said electrical conductor to said exposed surface of said matrix.
- said matrix covers said electrical conductor within said container means and has an exposed surface adjacent said electrolyte-retaining means; and
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3. A bioelectrode as claimed in claim 2, wherein:
- said electrical conductor comprises a support for said matrix with said interspersed silver particles and silver chloride particles.
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4. A bioelectrode as claimed in claim 1, wherein:
- said silver, silver chloride electrode is bonded by said matrix to said electrical conductor.
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5. A bioelectrode as claimed in claim 4, wherein:
- said electrolyte-retaining means are bonded by said matrix to said silver, silver chloride electrode.
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6. A bioelectrode as claimed in claim 1, wherein:
- said electrolyte-retaining means include a sponge bonded by said matrix to said silver, silver chloride electrode.
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7. A bioelectrode as claimed in claim 1, wherein:
- said electrolyte-retaining means include a flexible sponge spaced from said electrode, and an open-cell rigid member located between said flexible sponge and said electrode.
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8. A bioelectrode as claimed in claim 1, including:
- an adhesive pad connected to said container means to facilitate attachment of the bioelectrode to body parts.
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9. A bioelectrode as claimed in claim 1, wherein:
- said silver particles consist essentially of silver.
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10. A bioelectrode as claimed in claim 1, wherein:
- essentially each of said silver particles comprises a particle core and a coating of silver on said core.
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11. A bioelectrode as claimed in claim 1, wherein:
- essentially each of said silver particles comprises an inorganic core and a coating of silver on said core.
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12. A bioelectrode as claimed in claim 1, wherein:
- said organic matrix is a resin matrix.
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13. A bioelectrode as claimed in claim 1, wherein:
- said organic matrix is an epoxy resin matrix.
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14. A bioelectrode as claimed in claim 1, wherein:
- said organic matrix is elastomeric.
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15. A bioelectrode comprising in combination:
- a silver, silver chloride electrode comprising a plurality of silver particles, a plurality of silver chloride particles, and an electrically insulating, water impermeable, inert organic matrix for said silver particles and said silver chloride particles, said silver particles and said silver chloride particles being interspersed with each other in and throughout said matrix, and said interpersed silver particles and silver chloride particles being in electrical contact with each other;
said silver particles being present in said organic matrix in an amount of from 70 to 90 percent by weight of said organic matrix with said interspersed silver particles and silver chloride particles;
said silver chloride particles being present in said organic matrix in an amount of from 0.5 to 15 percent by weight of said organic matrix with said interspersed silver particles and silver chloride particles;
an electrical conductor connected to said silver, silver chloride elecrode;
means for retaining an electrolyte at said silver, silver chloride electrode; and
container means for said silver, silver chloride electrode and for at least part of said conductor and said electrolyte-retaining means.
- a silver, silver chloride electrode comprising a plurality of silver particles, a plurality of silver chloride particles, and an electrically insulating, water impermeable, inert organic matrix for said silver particles and said silver chloride particles, said silver particles and said silver chloride particles being interspersed with each other in and throughout said matrix, and said interpersed silver particles and silver chloride particles being in electrical contact with each other;
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16. A bioelectrode as claimed in claim 15, wherein:
- said matrix covers said electrical conductor within said container means and has an exposed surface adjacent said electrolyte-retaining means; and
said interspersed silver particles and silver chloride particles are in electrical contact with said conductor and extend throughout said matrix from said electrical conductor to said exposed surface of said matrix.
- said matrix covers said electrical conductor within said container means and has an exposed surface adjacent said electrolyte-retaining means; and
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17. A bioelectrode as claimed in claim 16, wherein:
- said electrical conductor comprises a support for said matrix with said interspersed silver particles and silver chloride particles.
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18. A bioelectrode as claimed in claim 15, wherein:
- said silver, silver chloride electrode is bonded by said matrix to said electrical conductor.
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19. A bioelectrode as claimed in claim 18, wherein:
- said electrolyte-retaining means are bonded by said matrix to said silver, silver chloride electrode.
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20. A bioelectrode as claimed in claim 15, wherein:
- said electrolyte-retaining means include a sponge bonded by said matrix to said silver, silver chloride electrode.
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21. A bioelectrode as claimed in claim 15, wherein:
- said electrolyte-retaining means include a flexible sponge spaced from said electrode, and an open-cell rigid member located between said flexible sponge and said electrode.
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22. A bioelectrode as claimed in claim 15, including:
- an adhesive pad connected to said container means to facilitate attachment of the bioelectrode to body parts.
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23. A bioelectrode as claimed in claim 15, wherein:
- said silver particles consist essentially of silver.
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24. A bioelectrode as claimed in claim 23, wherein:
- said organic matrix is an epoxy resin matrix.
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25. A bioelectrode as claimed in claim 23, wherein:
- said organic matrix is elastomeric.
Specification
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Current AssigneeTakuya R. Sato
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Original AssigneeTakuya R. Sato
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InventorsSato, Takuya R.
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Primary Examiner(s)Gaudet, Richard A.
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Assistant Examiner(s)Cohen, Lee S.
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Application NumberUS05/228,827Time in Patent Office929 DaysField of Search128/2.6E,417,418,404,405,DIG.4,2.1E 252/514US Class Current600/396CPC Class CodesA61B 2562/0215 Silver or silver chloride c...A61B 2562/0217 Electrolyte containingA61B 5/25 Bioelectric electrodes ther...A61B 5/257 using adhesive means, e.g. ...A61B 5/265 containing silver or silver...
