US5358483A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable transdermal drug applicators
Assignee: Drug Delivery Systems Inc
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Filing: 1992-09-23
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Granted: 1994-10-25
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Expires: 2012-09-23
Abstract
Abstract An electrically/battery powered transdermal drug applicator comprising a flexible nonconductive substrate with a plurality of conductive coated areas, the conductive coated areas forming drug reservoir electrodes, and a plurality of drug reservoirs separated by occlusive adhesive dams and in electrical contact with said drug reservoir electrodes. The battery is connected to the electrodes of the drug reservoirs and said applicator including electrical current conditioning means, with a conformal cover adhesively secured to said transdermal drug applicator and with a release liner covering and protecting said plurality of drug reservoirs until use.
Inventors
- 👤 Dan Sibalis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:48
CPC Classifications
A; A61; A61N; A61N1/00; A61N1/18; A61N1/32; A61N1/325; A61M; A61M31/00; A61M31/002; A61M37/00; A61N1/02; A61N1/04; A61N1/0404; A61N1/0408; A61N1/0428; A61N1/0432; A61N1/044; A61N1/0436; A61N1/0448; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49204; Y10T29/49208; Y10T29/4921
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
96 words
A transdermal drug applicator which is electrically powered by a power source comprising: a flexible non-conductive substrate having a plurality ofconductive coated areas, said conductive coated areas forming drug reservoir electrodes, a plurality of drug reservoirs separated by occlusive adhesive dams and in electrical contact with said drug reservoir electrodes, said power source comprising a battery connected to the electrodes of the drug reservoirs and said applicator including electrical current conditioning means, a conformal cover adhesively secured to said transdermal drug applicator and a release liner for covering protecting said plurality of drug reservoirs until use.
Claim 2
Dependent Claim
96 words
A transdermal drug applicator which is electrically powered by a power source comprising: a flexible non-conductive substrate having a plurality ofconductive coated areas, said conductive coated areas forming drug reservoir electrodes, a plurality of drug reservoirs separated by occlusive adhesive dams and in electrical contact with said drug reservoir electrodes, said power source comprising a battery connected to the electrodes of the drug reservoirs and said applicator including electrical current conditioning means, a conformal cover adhesively secured to said transdermal drug applicator and a release liner for covering protecting said plurality of drug reservoirs until use.
Claim 3
Dependent Claim
40 words
The transdermal drug applicator which is electrically powered according to claim 1, wherein some of the conductive coated areas interconnecting the drug reservoir electrodes are of a predetermined resistance so as to perform the function of a current limiting resistor.
Claim 4
Dependent Claim
27 words
A transdermal drug applicator as in claim 1, wherein the battery comprises offset apertures of different size to ensure installation of the battery in the proper direction.
Claim 5
Dependent Claim
16 words
An applicator as in claim 1, wherein the release liner comprises silicone for facilitating its release.
Claim 6
Dependent Claim
14 words
An applicator as in claim 1, wherein the occlusive adhesive dams comprise silicone material.
Claim 7
Dependent Claim
17 words
An applicator as in claim 1, wherein the drug reservoirs are part of a removable, replaceable sub-assembly.
Claim 8
Dependent Claim
18 words
A transdermal drug applicator as in claim 1, wherein the battery is part of a replaceable, removable sub-assembly.
Claim 9
Dependent Claim
14 words
A drug applicator as in claim 1, including indicator means observable through window means.
Claim 10
Dependent Claim
20 words
An applicator as in claim 1, wherein the electrodes of the battery are in the form of layered flat sheets.
Claim 11
Dependent Claim
16 words
An applicator as in claim 1, wherein some of the layered flat sheets are of carbon.
Claim 12
Dependent Claim
16 words
An applicator as in claim 10, wherein some of the layered flat sheets are of zinc.
Claim 13
Dependent Claim
15 words
An applicator as in claim 1, wherein the drug reservoir electrodes are thin and flat.
Claim 14
Dependent Claim
30 words
An applicator as in claim 1, wherein the drug reservoirs, drug reservoir electrodes, occlusive adhesive dams, and nonconductive substrate comprise a foldable, removable, and replaceable sub-assembly within said conformal cover.
Claim 15
Dependent Claim
14 words
An applicator as in claim 1, wherein the drug reservoirs comprise a gelled electrolyte.
Claim 16
Dependent Claim
21 words
An applicator as in claim 1, wherein the drug reservoirs further comprise a semipermeable membrane between high and low density reservoirs.
Claim 17
Dependent Claim
17 words
A transdermal drug applicator as in claim 1, wherein the conductive coated areas comprise a noble metal.
Claim 18
Dependent Claim
18 words
A transdermal drug applicator as in claim 1, wherein the flexible substrate has a plurality of battery electrodes.
Claim 19
Dependent Claim
24 words
A transdermal drug applicator as in claim 1, wherein said indicating means providing an indication of the operative condition of said transdermal drug applicator.
Claim 20
Dependent Claim
20 words
An applicator as in claim 1, wherein said battery comprises a separate battery package connectable to said transdermal drug applicator.
Claim 21
Dependent Claim
24 words
An applicator as in claim 19, wherein connections between said battery package and said transdermal drug applicator comprise opening means in said conformal cover.
Claim 22
Dependent Claim
23 words
An applicator as in claim 20, wherein said opening means comprise openings for battery terminals connectable to the electrodes of said drug reservoirs.
Claim 23
Dependent Claim
12 words
An applicator as in claim 21, wherein said openings have parallel axis.
Claim 24
Dependent Claim
12 words
An applicator as in claim 22, wherein said axis are actually aligned.
Claim 25
Dependent Claim
84 words
A transdermal drug applicator which is electrically powered by a power source comprising: a flexible non-conductive substrate having a plurality of conductive coated areas, said conductive coated areas forming drug reservoir electrodes, a plurality of drug reservoirs separated by occlusive adhesive dams and in electrical contact with said drug reservoir electrodes, said power source comprising a battery connected to the electrodes of the drug reservoirs and said applicator including electrical current conditioning means, and a conformal cover adhesively secured to said transdermal drug applicator.
Claim 26
Dependent Claim
84 words
A transdermal drug applicator which is electrically powered by a power source comprising: a flexible non-conductive substrate having a plurality of conductive coated areas, said conductive coated areas forming drug reservoir electrodes, a plurality of drug reservoirs separated by occlusive adhesive dams and in electrical contact with said drug reservoir electrodes, said power source comprising a battery connected to the electrodes of the drug reservoirs and said applicator including electrical current conditioning means, and a conformal cover adhesively secured to said transdermal drug applicator.
Claim 27
Dependent Claim
23 words
The transdermal drug applicator as in claim 24, further including a release liner covering and protecting said plurality of drug reservoirs until use.
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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) | 1997-10-24 | 1998-04-25 | 1998-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-10-24 | 2002-04-25 | 2002-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-10-24 | 2006-04-25 | 2006-10-25 | $7700.00 | Window Closed / Lapsed |