US568095A - Therapeutic electrode - Google Patents
Therapeutic electrode Download PDFInfo
- Publication number
- US568095A US568095A US568095DA US568095A US 568095 A US568095 A US 568095A US 568095D A US568095D A US 568095DA US 568095 A US568095 A US 568095A
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- US
- United States
- Prior art keywords
- sheet
- electrode
- face
- composition
- backing
- Prior art date
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- Expired - Lifetime
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- 230000001225 therapeutic Effects 0.000 title description 18
- 239000000203 mixture Substances 0.000 description 44
- 239000000463 material Substances 0.000 description 28
- 239000004020 conductor Substances 0.000 description 16
- 239000004744 fabric Substances 0.000 description 14
- 108010010803 Gelatin Proteins 0.000 description 12
- 229920000159 gelatin Polymers 0.000 description 12
- 239000008273 gelatin Substances 0.000 description 12
- 235000019322 gelatine Nutrition 0.000 description 12
- 235000011852 gelatine desserts Nutrition 0.000 description 12
- 239000000126 substance Substances 0.000 description 12
- 241000209456 Plumbago Species 0.000 description 8
- PEDCQBHIVMGVHV-UHFFFAOYSA-N glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 8
- 235000011187 glycerol Nutrition 0.000 description 8
- 239000010439 graphite Substances 0.000 description 8
- 210000003491 Skin Anatomy 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- CSNNHWWHGAXBCP-UHFFFAOYSA-L mgso4 Chemical class [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 235000019341 magnesium sulphate Nutrition 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000000615 nonconductor Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- 210000001519 tissues Anatomy 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/0404—Electrodes for external use
- A61N1/0472—Structure-related aspects
- A61N1/0492—Patch electrodes
Definitions
- My invention also consists in the novel construction and combination of the parts of the electrode which I shall hereinafter fully describe.
- the general object of my invention is to provide a durable and perfect therapeutic electrode which is adapted to be readily applied to any portion of the body, fitting it perfectly throughout its entire surface and so constructed that it can be used dry, avoiding the necessity of moistening or wetting it, said electrode being adapted to distribute the electric current equally andv smoothly over that portion of the body to which it is applied, and, on account of this even distribution of the current, permitting the use of much larger currents than by other forms of electrodes.
- Figure l is a View of my electrode, successive portions being broken away to show underlying parts.
- Fig. 2 is a section of same.
- the electrode is composed of a backing A, which may be of leather or cloth or any other suitable and flexible material and a non-con- To the face of this backing is secured, as by stitching or other fastening, a sheet B of electroconducting material of a flexible character.
- a backing A which may be of leather or cloth or any other suitable and flexible material and a non-con-
- a sheet B of electroconducting material of a flexible character This may be a thin sheet of metallic foil or any metallic sheet, or a partly-metallic sheet, such,
- tinsel-cloth which latter is the preferred material, as it is pliable, and at the same time its metal threads will act as a sufficient conductor and distributer of the current over the entire electrode.
- a pliable layer O of suitable electroconducting This layer may be a single substance, but preferably a composition which in practice I 'prefer to make somewhat similar to the composition known as hektograph material.
- This is incorporated into the composition and renders the whole layer C electroconducting and acts as a distributer for the current over the entire surface.
- I will state, for example, that I use about 011e ounce of the plumbago to a pound of the composition.
- Bronze powder may be used in this connection, if desired.
- This composition is applied to the sheet B While the composition is hot and plastic, the best way of applying it being to form a frame around the edges of the backing to'constitute Va mold and then pour the composition into the mold, so that it will set upon the sheet B.
- D is the contact-plate for the wires on the backing A, said plate having a contact-pin d, which extends through the backing and forms contact with the electro conducting materials on the face thereof.
- a therapeutic electrode thus formed is very pliable and is adapted to be easily adjusted to all parts of the body and to fit thereto throughout its entire surface, so that there is no one point of greater contact than another,
- the eleetroconducting-sheet B contributes, in that the current is fully distributed throughout the electrode, but said sheet alone would not form as perfect a contact of the pad as is necessary, especially Where tinsel-cloth is used, so that the pliable composition C obviates this difficulty by giving a perfectly smooth surface to form the contact, and at the same time said composition, by virtue of its soft and plastic character and its contained moisture, will permit the use of much larger currents being passed Through the skin and tissues than if the sheet B alone were used.
- the electrode is not only convenient of application, but is permanent and durable and is easily handled. It has a constant and nonvarying resistance, and there is no danger of irritating the skin in spots or patches on account of the even diiusion and distribution of the current.
- Another great advantage of this electrode is that it maybe used dry, as lthere is no necessity for Wettin g it, as is done With the ordinary electrodes.
- a therapeutic electrode the combination of a flexible backing of non-conducting material, a flexible sheet of electrocondueting material upon the face of said backing, and a layer of' pliable substance or com position of' electroconducting character upon the face of the electrocondnoting-sheet.
- a therapeutic electrode the combination of a ilexible backing of non-conducting material, a fiexible sheet of tinsel-cloth upon its'face, and a layer of pliable substance or composition of electroconducting character, upon the face of the tinsel-cloth.
- a therapeutic electrode In a therapeutic electrode, the combination of a flexible backing of non-conducting material, a flexible sheet oi electroconducting material upon the face of the backing, and a pliable layer of a composition consisting of gelatin and glycerin in which is incorporated a suitable electroconductin g material, said layer being upon the face of the electrocondnoting-sheet.
- a therapeutic electrode the combination of a flexible backing of non conducting material, a fiexible sheet of tinsel-eloth secured upon the face thereof, and a flexible layer of a composition consisting of gelatin and glycerin in which is incorporated a suitable elect-roconducting material, said layer being upon the face of the tinsel-cloth.
- a therapeutic electrode the combination of a flexible backing ⁇ of non-conducting material, a flexible sheet of tinsel-cloth secured upon the face thereof and a flexible layer of a composition consisting of gelatin and glycerin in which is incorporated plumbago, said layer being upon the face of' the tinsetcloth.
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Laminated Bodies (AREA)
Description
(No Model.)
J. S. MUIR. THERAPBUTIG ELBGTRODB.
Nrrnn raras Armar Erica.
THERAPEUTIC ELECTRODE.
SPECIFICATION forming part of Letters Patent No. 558,095, dated September 22, 1896. Application filed April 17, 1896. Serial No. 587,911. (No model.)
To @ZZ whom, t may concern:
Be it known that I, JOHN SEVERN MUIR, a citizen of the United States, residing at Stockton, county of San Joaquin, State of'Califorother suitable material which is a non-conductor of electricity. To the face surface of this backing is attached by stitching` or cementation a flexible sheet of metallic or semimetallic electroconducting material, and on the face surface of this sheet of metallic or semimetallic substance is spread a pliable compound containing as part of its composition an electroconducting substance.
.ductor of electricity.
My invention also consists in the novel construction and combination of the parts of the electrode which I shall hereinafter fully describe.
The general object of my invention is to provide a durable and perfect therapeutic electrode which is adapted to be readily applied to any portion of the body, fitting it perfectly throughout its entire surface and so constructed that it can be used dry, avoiding the necessity of moistening or wetting it, said electrode being adapted to distribute the electric current equally andv smoothly over that portion of the body to which it is applied, and, on account of this even distribution of the current, permitting the use of much larger currents than by other forms of electrodes. Y
Referring to the accompanying` drawings, Figure lis a View of my electrode, successive portions being broken away to show underlying parts. Fig. 2 is a section of same.
The electrode is composed of a backing A, which may be of leather or cloth or any other suitable and flexible material and a non-con- To the face of this backing is secured, as by stitching or other fastening, a sheet B of electroconducting material of a flexible character. This may be a thin sheet of metallic foil or any metallic sheet, or a partly-metallic sheet, such,
properties.
for example, as tinsel-cloth, which latter is the preferred material, as it is pliable, and at the same time its metal threads will act as a sufficient conductor and distributer of the current over the entire electrode. Upon this sheet of conducting material B is placed a pliable layer O of suitable electroconducting This layer may be a single substance, but preferably a composition which in practice I 'prefer to make somewhat similar to the composition known as hektograph material. In order that this may be understood, I Will state, for example, that in practice I use for making Vthis material, say forty parts of gelatin, which is softened in a small quantity of hot water, to which is added, while still hot, say one hundred parts of glycerin, which holds the gelatin in solution. In order to render this substance electroconducting, I add to it, While still hot and in a plasticor semitluid condition, any material in inely-divided quantities which is an electroconductor, such, for example, as plumbago or pulverized carbon, or any metallic substance in a fine state of division. This is incorporated into the composition and renders the whole layer C electroconducting and acts as a distributer for the current over the entire surface. purpose, I will state, for example, that I use about 011e ounce of the plumbago to a pound of the composition. Bronze powder may be used in this connection, if desired. This composition is applied to the sheet B While the composition is hot and plastic, the best way of applying it being to form a frame around the edges of the backing to'constitute Va mold and then pour the composition into the mold, so that it will set upon the sheet B.
D is the contact-plate for the wires on the backing A, said plate having a contact-pin d, which extends through the backing and forms contact with the electro conducting materials on the face thereof.
A therapeutic electrode thus formed is very pliable and is adapted to be easily adjusted to all parts of the body and to fit thereto throughout its entire surface, so that there is no one point of greater contact than another,
thereby avoiding too strong a current at any one point. It is, moreover, uniform in the distribution of the current throughout the en- Vhen using plumbago for this IOO tire surface. To this result the eleetroconducting-sheet B contributes, in that the current is fully distributed throughout the electrode, but said sheet alone would not form as perfect a contact of the pad as is necessary, especially Where tinsel-cloth is used, so that the pliable composition C obviates this difficulty by giving a perfectly smooth surface to form the contact, and at the same time said composition, by virtue of its soft and plastic character and its contained moisture, will permit the use of much larger currents being passed Through the skin and tissues than if the sheet B alone were used.
The electrode is not only convenient of application, but is permanent and durable and is easily handled. It has a constant and nonvarying resistance, and there is no danger of irritating the skin in spots or patches on account of the even diiusion and distribution of the current.
Another great advantage of this electrode is that it maybe used dry, as lthere is no necessity for Wettin g it, as is done With the ordinary electrodes.
I do not confine myself to the use in theV composition of the layer C of any particular material as an electroeonduetor, for in addition to those mentioned I may mix with the gelatin a saline solution of suitable material, such as chlorid of sodium or epsom salts, to accomplish a similar result.
Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-
l. In a therapeutic electrode, the combination of a flexible backing of non-conducting material, a flexible sheet of electrocondueting material upon the face of said backing, and a layer of' pliable substance or com position of' electroconducting character upon the face of the electrocondnoting-sheet.
2. In a therapeutic electrode, the combination of a ilexible backing of non-conducting material, a fiexible sheet of tinsel-cloth upon its'face, and a layer of pliable substance or composition of electroconducting character, upon the face of the tinsel-cloth.
In a therapeutic electrode, the combination of a flexible backing of non-conducting material, a flexible sheet oi electroconducting material upon the face of the backing, and a pliable layer of a composition consisting of gelatin and glycerin in which is incorporated a suitable electroconductin g material, said layer being upon the face of the electrocondnoting-sheet.
I. In a therapeutic electrode, the combination of a flexible backing of non conducting material, a fiexible sheet of tinsel-eloth secured upon the face thereof, and a flexible layer of a composition consisting of gelatin and glycerin in which is incorporated a suitable elect-roconducting material, said layer being upon the face of the tinsel-cloth.
5. In a therapeutic electrode, the combination of a flexible backing` of non-conducting material, a flexible sheet of tinsel-cloth secured upon the face thereof and a flexible layer of a composition consisting of gelatin and glycerin in which is incorporated plumbago, said layer being upon the face of' the tinsetcloth.
In Witness whereof I have hereunto set my hand.
JOHN SEVERN MUIR.
NTitnesses:
JNo. C. REED, T. W. HUMMEL.
Publications (1)
Publication Number | Publication Date |
---|---|
US568095A true US568095A (en) | 1896-09-22 |
Family
ID=2636801
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US568095D Expired - Lifetime US568095A (en) | Therapeutic electrode |
Country Status (1)
Country | Link |
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US (1) | US568095A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3817252A (en) * | 1972-05-08 | 1974-06-18 | Medtronic Inc | Electrode for transcutaneous stimulation |
US4207904A (en) * | 1977-01-28 | 1980-06-17 | Greene Ronald W | Constant power density electrode adapted to be useful in bio-medical applications |
US4383529A (en) * | 1980-11-03 | 1983-05-17 | Wescor, Inc. | Iontophoretic electrode device, method and gel insert |
-
0
- US US568095D patent/US568095A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3817252A (en) * | 1972-05-08 | 1974-06-18 | Medtronic Inc | Electrode for transcutaneous stimulation |
US4207904A (en) * | 1977-01-28 | 1980-06-17 | Greene Ronald W | Constant power density electrode adapted to be useful in bio-medical applications |
US4383529A (en) * | 1980-11-03 | 1983-05-17 | Wescor, Inc. | Iontophoretic electrode device, method and gel insert |
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