Patent US4516581A successfully refreshed from Google Patents.
US4516581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
EKG electrode
Assignee: Ferris Pharmaceuticals Inc
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Filing: 1983-06-20
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Granted: 1985-05-14
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Expires: 2003-06-20
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 10:31
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)
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 |