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US4516581A Expired / Lapsed US ⏱️ 0.0 years remaining

EKG electrode

Assignee: Ferris Pharmaceuticals Inc
•
Filing: 1983-06-20
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Granted: 1985-05-14
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Expires: 2003-06-20
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Abstract

Abstract An EKG electrode is disclosed including a conductive ring positioned around a jelled foam member which is positioned against a surface of a metal contact. The ring may be formed of a conductive medical grade plastic or may be formed by plating a non-conductive ring with a conducting metal.

Inventors

  • 👤 Robert W. Sessions

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 09:06
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/24; A61B5/25; A61B5/251

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 76 words
In an EKG electrode with a body portion to which is attached a conducting contact member in electrical contact with a jell impregnated foam member, an improvement comprising: means for surrounding said foam member positioned so as to be in physical contact with a part of said body portion as well as in electrical contact with said foam member, and wherein; said means surrounding comprises a conductive annular ring formed of a selected medical grade plastic.
Claim 2
Dependent Claim 76 words
In an EKG electrode with a body portion to which is attached a conducting contact member in electrical contact with a jell impregnated foam member, an improvement comprising: means for surrounding said foam member positioned so as to be in physical contact with a part of said body portion as well as in electrical contact with said foam member, and wherein; said means surrounding comprises a conductive annular ring formed of a selected medical grade plastic.
Claim 3
Dependent Claim 15 words
The improved EKG electrode in accordance with claim 1 wherein said annular ring is flexible.
Claim 4
Dependent Claim 20 words
The improved EKG electrode in accordance with claim 1 wherein said annular ring is plated with a selected conducting metal.
Claim 5
Dependent Claim 31 words
The improved EKG electrode in accordance with claim 1 wherein said annular ring includes a selected quantity of carbon so as to be conductive and wherein said annular ring is flexible.
Claim 6
Dependent Claim 82 words
In an EKG electrode with a body portion to which is attached a conducting electrode in contact with a jell impregnated foam member, an improvement comprising: an annular ring positioned so as to surround and be in electrical contact with said jell impregnated foam member and so as to be in physical contact with a part of said body portion and wherein said annular ring is formed of a flexible plastic containing a selected amount of carbon so as to be conductive.
Claim 7
Dependent Claim 82 words
In an EKG electrode with a body portion to which is attached a conducting electrode in contact with a jell impregnated foam member, an improvement comprising: an annular ring positioned so as to surround and be in electrical contact with said jell impregnated foam member and so as to be in physical contact with a part of said body portion and wherein said annular ring is formed of a flexible plastic containing a selected amount of carbon so as to be conductive.
Claim 8
Dependent Claim 79 words
In an EKG electrode with a body portion to which is attached a conducting electrode in contact with a jell impregnated foam member an improvement comprising: an annular ring positioned so as to surround and be in electrical contact with said jell impregnated foam member and so as to be in contact with a part of said body portion, and wherein said annular ring is formed of a rigid plastic which has been plated with a selected conducting metal.
Claim 9
Dependent Claim 79 words
In an EKG electrode with a body portion to which is attached a conducting electrode in contact with a jell impregnated foam member an improvement comprising: an annular ring positioned so as to surround and be in electrical contact with said jell impregnated foam member and so as to be in contact with a part of said body portion, and wherein said annular ring is formed of a rigid plastic which has been plated with a selected conducting metal.
Claim 10
Dependent Claim 16 words
The improved EKG electrode according to claim 6 wherein said annular ring is plated with silver.

References Cited (Backward Citations)

US3610229A Cited
US3868946A Cited
US4088133A Cited
US4391279A Cited
US4441501A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1988-05-13 1988-11-12 1989-05-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1992-05-13 1992-11-12 1993-05-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1996-05-13 1996-11-12 1997-05-14 $7700.00 Window Closed / Lapsed

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