Patent US4327737A successfully refreshed from Google Patents.
US4327737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Medical electrode assembly
Assignee: Individual
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Filing: 1980-05-15
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Granted: 1982-05-04
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Expires: 2000-05-15
Abstract
Abstract A flexible carrier sheet has an adhesive releasing outer surface and a heat-sealable inner surface, and one or more retaining pads are die-cut from a sheet or strip of breathable foam material attached to the outer surface by pressure-sensitive adhesive. Each retaining pad covers a hole cut within the carrier sheet and supports an electrical contact assembly which projects through the hole to confine an electrical conducting gel. A flexible bottom cover sheet has an air-impervious outer surface and a heat-sealable inner surface, and the edge or border portions of the carrier sheet and bottom cover sheet are heat-sealed together to form an air-tight chamber for the gel. The carrier sheet and bottom cover sheet may also be heat-sealed together in an area extending between adjacent electrodes, and the heat-sealed area may be provided with a line of weakening to provide for convenient separation of single electrode assemblies.
Inventors
- 👤 Roman Szpur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:00
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/24; A61B5/25; A61B5/263; A61B5/266; A61B2562/00; A61B2562/24; A61B2562/242
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
153 words
A medical electrode assembly comprising a flexible carrier sheet having an adhesive releasing outer surface, an inner coating of heat sealable plastics material forming the inner surface of said carrier sheet, a retaining pad of flexible sheet material having a coating of adhesive on a surface thereof attached to said adhesive releasing outer surface of said carrier sheet, said carrier sheet having an opening covered by said retaining pad, electrical conducting means secured to said retaining pad and projecting through said opening, a flexible bottom cover sheet, an inner coating of heat sealable plastics material forming the inner surface of said bottom cover sheet, and said inner coating on said carrier sheet being heat-sealed to said inner coating on said bottom cover sheet in only an area surrounding said retaining pad and being unattached within said area to form an air-tight chamber larger than said retaining pad and enclosing said electrical conducting means.
Claim 2
Dependent Claim
153 words
A medical electrode assembly comprising a flexible carrier sheet having an adhesive releasing outer surface, an inner coating of heat sealable plastics material forming the inner surface of said carrier sheet, a retaining pad of flexible sheet material having a coating of adhesive on a surface thereof attached to said adhesive releasing outer surface of said carrier sheet, said carrier sheet having an opening covered by said retaining pad, electrical conducting means secured to said retaining pad and projecting through said opening, a flexible bottom cover sheet, an inner coating of heat sealable plastics material forming the inner surface of said bottom cover sheet, and said inner coating on said carrier sheet being heat-sealed to said inner coating on said bottom cover sheet in only an area surrounding said retaining pad and being unattached within said area to form an air-tight chamber larger than said retaining pad and enclosing said electrical conducting means.
Claim 3
Dependent Claim
34 words
An electrode assembly as defined in claim 1 wherein said carrier sheet and said bottom cover sheet each comprise a sheet of paper supporting the corresponding said inner coating of heat sealable plastics material.
Claim 4
Dependent Claim
38 words
An electrode assembly as defined in claim 2 and including a coating of silicon material on each of said paper carrier sheet and said paper cover sheet and forming the corresponding said outer surface of said carrier sheet.
Claim 5
Dependent Claim
37 words
An electrode assembly as defined in claim 1 wherein said carrier sheet and said cover sheet each has an outer coating of adhesive releasing material effective to restrict the passage of air and moisture through said sheets.
Claim 6
Dependent Claim
22 words
An electrode assembly as defined in claim 1 wherein said carrier sheet and said bottom cover sheet comprise the same sheet material.
Claim 7
Dependent Claim
82 words
An electrode assembly as defined in claim 1 wherein said carrier sheet and said bottom cover sheet are each elongated, said carrier sheet has a plurality of longitudinally spaced said openings, a corresponding plurality of longitudinally spaced said retaining pads attached to said carrier sheet, a corresponding plurality of said electrical conducting means secured to said retaining pads and projecting through said openings, and said carrier sheet and bottom cover sheet are heat-sealed together only outwardly of each of said retaining pads.
Claim 8
Dependent Claim
41 words
An electrode assembly as defined in claim 6 wherein said carrier sheet and said bottom cover sheet are also heat-sealed together in an area between adjacent said retaining pads to form a plurality of longitudinally disposed and individually sealed medical electrodes.
Claim 9
Dependent Claim
41 words
An electrode assembly as defined in claim 7 and including means forming a line of weakening disposed within said heat-sealed area between adjacent said retaining pads to provide for conveniently separating said electrodes while maintaining the air-tight chamber for each electrode.
Claim 10
Dependent Claim
178 words
A medical electrode assembly comprising an elongated flexible carrier sheet having an adhesive releasing outer surface, an inner coating of heat sealable plastics material forming the inner surface of said carrier sheet, a plurality of retaining pads of flexible sheet material, said pads having corresponding coatings of adhesive on a surface thereof attached to said adhesive releasing outer surface of said carrier sheet at longitudinally spaced intervals, said carrier sheet having a corresponding plurality of longitudinally spaced openings covered by said retaining pads, electrical conducting means secured to each said retaining pad and projecting through the corresponding said opening, an elongated flexible bottom cover sheet, an inner coating of heat sealable plastics material forming the inner surface of said bottom cover sheet, and said inner coating on said carrier sheet being heat-sealed to said inner coating on said bottom cover sheet in only an area surrounding all of said retaining pads and being unattached within said area to form an elongated air-tight chamber larger than all of said retaining pads and enclosing all of said electrical conducting means.
Claim 11
Dependent Claim
178 words
A medical electrode assembly comprising an elongated flexible carrier sheet having an adhesive releasing outer surface, an inner coating of heat sealable plastics material forming the inner surface of said carrier sheet, a plurality of retaining pads of flexible sheet material, said pads having corresponding coatings of adhesive on a surface thereof attached to said adhesive releasing outer surface of said carrier sheet at longitudinally spaced intervals, said carrier sheet having a corresponding plurality of longitudinally spaced openings covered by said retaining pads, electrical conducting means secured to each said retaining pad and projecting through the corresponding said opening, an elongated flexible bottom cover sheet, an inner coating of heat sealable plastics material forming the inner surface of said bottom cover sheet, and said inner coating on said carrier sheet being heat-sealed to said inner coating on said bottom cover sheet in only an area surrounding all of said retaining pads and being unattached within said area to form an elongated air-tight chamber larger than all of said retaining pads and enclosing all of said electrical conducting means.
Claim 12
Dependent Claim
50 words
An electrode assembly as defined in claim 9 wherein said carrier sheet and said bottom cover sheet each comprise a paper sheet having the corresponding said inner coating of plastics material and an outer coating of adhesive releasing material for restricting the passage of air and moisture through said sheets.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-05-03 | 1985-11-02 | 1986-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-05-03 | 1989-11-02 | 1990-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-05-03 | 1993-11-02 | 1994-05-04 | $7700.00 | Window Closed / Lapsed |