US4823810A
Expired / Lapsed
US
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Bipolar electrodes discharging sparks of piezo-electric origin for the relief of pains and contractures by direct application to the skin
Assignee: ANATOMIA-LA BOUTIQUE DU DOS
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Filing: 1988-02-04
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Granted: 1989-04-25
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Expires: 2008-02-04
Abstract
Abstract Bipolar electrodes discharge sparks of piezoelectric origin. The poles (4, 5) of the electrodes are less than a centimeter apart in order to avoid a double discharge and to provide better stimulation. A separation device (7) is placed between them; this device is substantially longer than the length of the electrodes (4, 5) so as automatically to distance the electrodes from the skin. This separation device also serves as insulation to prevent interdischarge of the electrodes.
Inventors
- 👤 Dominique Dervieux
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:08
CPC Classifications
A; A61; A61N; A61N1/00; A61N1/02; A61N1/04; A61N1/0404; A61N1/0408; A61H; A61H39/00; A61H39/002; A61N1/0472; H; H02; H02N; H02N2/00; H02N2/18
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
139 words
In an apparatus for the relief of pain and contractures by direct application to skin, comprising a piezoelectric generator having actuating means and at least one discharge electrode operatively connected to said piezoelectric generator, the improvement in which: said at least one discharge electrode is a bipolar electrode having coextensive elongated parallel positive and negative poles in closely spaced relation less than one centimeter apart, the length of the poles being substantially greater than the distance between them; and an insulating partition adapted to contact the skin of a patient to be treated, said partition extending between said positive and negative poles and projecting a substantial distance beyond said positive and negative poles sufficient to maintain said positive and negative poles spaced from the skin to which said apparatus is applied with said partition in contact with the skin.
Claim 2
Dependent Claim
139 words
In an apparatus for the relief of pain and contractures by direct application to skin, comprising a piezoelectric generator having actuating means and at least one discharge electrode operatively connected to said piezoelectric generator, the improvement in which: said at least one discharge electrode is a bipolar electrode having coextensive elongated parallel positive and negative poles in closely spaced relation less than one centimeter apart, the length of the poles being substantially greater than the distance between them; and an insulating partition adapted to contact the skin of a patient to be treated, said partition extending between said positive and negative poles and projecting a substantial distance beyond said positive and negative poles sufficient to maintain said positive and negative poles spaced from the skin to which said apparatus is applied with said partition in contact with the skin.
Claim 3
Dependent Claim
19 words
Apparatus according to claim 1, and a body encircling said discharge electrode, said body being integral with said partition.
Claim 4
Dependent Claim
23 words
Apparatus according to claim 2, wherein said body projects beyond said positive and negative poles the same said substantial distance as said partition.
Claim 5
Dependent Claim
34 words
Apparatus according to claim 1, wherein each said positive and negative pole is a planar array of parallel, spaced, needle-shaped projections, and said partition is planar and parallel to said positive and negative poles.
Claim 6
Dependent Claim
21 words
Apparatus according to claim 1, wherein said positive and negative poles are plate-shaped, each comprising a series of saw-toothed discharge projections.
Claim 7
Dependent Claim
20 words
Apparatus according to claim 1, wherein said substantial distance is from a few tenths of one millimeter to ten millimeters.
Claim 8
Dependent Claim
14 words
Apparatus according to claim 1, wherein said substantial distance is 2 to 3 mm.
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) | 1992-04-24 | 1992-10-24 | 1993-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-04-24 | 1996-10-24 | 1997-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-04-24 | 2000-10-24 | 2001-04-25 | $7700.00 | Window Closed / Lapsed |