US4979504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oral irrigator
Assignee: Individual
•
Filing: 1986-01-16
•
Granted: 1990-12-25
•
Expires: 2006-01-16
Abstract
Abstract An oral irrigator for lavaging all of the gingival crevice including the interdental area of the gums, provided with a tip at the end of a probe for separating the gum part known as the gingival collar from the facial or linqual and interproximal sides of the tooth and having a steady flow of antimicrobial fluid expelled from a zone surrounding said tip. Also shown is such an oral irrigator in combination with a tap water, pressure operated, germicidal-containing container forcing germicidal fluid through said oral irrigator tip, and with a tap water syphon delivery system.
Inventors
- 👤 Herbert J. Mills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:52
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/02; A61C17/032
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
145 words
An oral irrigator comprising a major horizontal extending conduit having a central lumen and having an inner and outer surface terminating in a minor portion of said conduit having a symetrical axis substantially perpendicular to said major conduit portion, a solid cone portion means axially positioned within the opening of said minor conduit and singularly integral with an inner wall of said major conduit extending outwardly beyond the terminal walls of said minor conduit, said cone portion means to deflect the gingival collar of a patient's gum so as to permit lavaging the papillary area and sulcus with an antimicrobial fluid, said minor portion of said irrigator having an internal lumen means in fluid communication with said lumen of said major conduit to direct antimicrobial fluid to the operative site, said lumen of said minor portion of said conduit complete surrounding said solid cone portion.
Claim 2
Dependent Claim
145 words
An oral irrigator comprising a major horizontal extending conduit having a central lumen and having an inner and outer surface terminating in a minor portion of said conduit having a symetrical axis substantially perpendicular to said major conduit portion, a solid cone portion means axially positioned within the opening of said minor conduit and singularly integral with an inner wall of said major conduit extending outwardly beyond the terminal walls of said minor conduit, said cone portion means to deflect the gingival collar of a patient's gum so as to permit lavaging the papillary area and sulcus with an antimicrobial fluid, said minor portion of said irrigator having an internal lumen means in fluid communication with said lumen of said major conduit to direct antimicrobial fluid to the operative site, said lumen of said minor portion of said conduit complete surrounding said solid cone portion.
Claim 3
Dependent Claim
50 words
The oral irrigator of claim 1 wherein the opposite end of said conduit from said minor portion of said conduit is connected through a flexible hose to a flexible receptacle capable of containing an antimicrobial solution and means for expelling said antimicrobial solution through said flexible hose to said conduit.
Claim 4
Dependent Claim
44 words
The oral irrigator of claim 2 wherein said means for expelling said antimicrobial solution through said flexible hose to said conduit includes a flexible container provided with a container surrounding said flexible container adapted to receive fluid under pressure to compress said flexible container.
Claim 5
Dependent Claim
24 words
The oral irrigator of claim 2 wherein said means for expelling said antimicrobial solution through said flexible hose to said conduit includes a syphon.
Claim 6
Dependent Claim
26 words
The oral irrigator of claim 2 wherein said means for expelling said antimicrobial solution through said flexible hose to said conduit includes an electric motor-driven pump.
References Cited (Backward Citations)
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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) | 1993-12-24 | 1994-06-25 | 1994-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-12-24 | 1998-06-25 | 1998-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-12-24 | 2002-06-25 | 2002-12-25 | $7700.00 | Window Closed / Lapsed |