Patent US5331979A successfully refreshed from Google Patents.
US5331979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Iontophoretic cigarette substitute
Assignee: MEDICAL IONOSONIC TECHNOLOGIES LLP
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Filing: 1992-07-27
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Granted: 1994-07-26
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Expires: 2012-07-27
Abstract
Abstract An improved iontophoretic cigarette substitute device is disclosed having a driver unit and a disposable mouthpiece. The mouthpiece has a drug coating applied to its external surface which is iontophoretically driven into the mucous membranes of the user's lips upon use. Nicotine is a preferred drug to be administered to the user through an electrode employed on the mouthpiece.
Inventors
- 👤 Julian L. Henley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 04:04
CPC Classifications
A; A61; A61N; A61N1/00; A61N1/18; A61N1/20; A61N1/30
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
55 words
An iontophoretic drug delivery device comprising in combination: (a) a first driver unit comprising an electrical power source; and (b) a second mouthpiece unit detachably connectable to the driver unit having an external surface, the external surface having electrodes thereon and a coating containing the drug to be delivered to a user of the device.
Claim 2
Dependent Claim
55 words
An iontophoretic drug delivery device comprising in combination: (a) a first driver unit comprising an electrical power source; and (b) a second mouthpiece unit detachably connectable to the driver unit having an external surface, the external surface having electrodes thereon and a coating containing the drug to be delivered to a user of the device.
Claim 3
Dependent Claim
27 words
The drug delivery device according to claim 1 further comprising the mouthpiece unit being hollow and having vents therein to permit the user to draw air therethrough.
Claim 4
Dependent Claim
16 words
The drug delivery device according to claim 1 further comprising first driver having a voltage multiplier.
Claim 5
Dependent Claim
22 words
The drug delivery device according to claim 3 further comprising first driver having a current limited distributor connected to the voltage multiplier.
Claim 6
Dependent Claim
24 words
The drug delivery device according to claim 4 further comprising first driver having a current limited distribution circuit connected to the current limited distributor.
Claim 7
Dependent Claim
23 words
The drug delivery device according to claim 5 further comprising the source of electrical power comprising a battery connected to the voltage multiplier.
Claim 8
Dependent Claim
23 words
The drug delivery device according to claim 1 further comprising the electrode comprising a circuit pattern etched onto the surface of the mouthpiece.
Claim 9
Dependent Claim
15 words
The drug delivery device according to claim 1 further comprising the coating being a gel.
Claim 10
Dependent Claim
18 words
The drug delivery device according to claim 8 further comprising the drug contained within the gel being nicotine.
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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) | 1997-07-25 | 1998-01-24 | 1998-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-07-25 | 2002-01-24 | 2002-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-07-25 | 2006-01-24 | 2006-07-26 | $7700.00 | Window Closed / Lapsed |