Patent US4617918A successfully refreshed from Google Patents.
US4617918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for combined therapeutic and stimulative treatment of the gums
Assignee: Colgate Palmolive Co
•
Filing: 1984-10-03
•
Granted: 1986-10-21
•
Expires: 2004-10-03
Abstract
Abstract A device for delivering an irrigant and/or a medicament fluid to the gingival sulcus comprises an elongated handle member terminating in a flexible tip portion provided with aperture(s), the tip being connected to a fluid reservoir via a conduit and operable to discharge the fluid through the apertures only on the application of pressure to the reservoir and/or opening of a normally closed valve or apertures in the tip by flexing the tip, e.g., by pressing same against a tooth. In preferred embodiments, the handle is tubular, the distal end portion thereof comprising the fluid reservoir.
Inventors
- 👤 John J. Donohue
- 👤 William J. Dunn
- 👤 Kedar N. Rustogi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:25
CPC Classifications
A; A61; A61C; A61C19/00; A61C19/06
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
115 words
A device for the combined therapeutic and stimulative treatment of the gums comprising an elongated handle member terminating proximally in a flexible tip portion provided with an aperture for the discharge of fluid at low pressure and configured to expedite probing contact of the tip portion with gingival sulcus, a fluid reservoir with a portion thereof movable along the longitudinal axis of the reservoir by an applied force and physically separate from the handle comprising a pressurized or pressurizable unit whose flow rate is controllable to deliver a fluid at a low pressure, and conduit means connecting the tip portion with the fluid reservoir to communicate the fluid from the reservoir to the tip portion.
Claim 2
Independent Claim
115 words
A device for the combined therapeutic and stimulative treatment of the gums comprising an elongated handle member terminating proximally in a flexible tip portion provided with an aperture for the discharge of fluid at low pressure and configured to expedite probing contact of the tip portion with gingival sulcus, a fluid reservoir with a portion thereof movable along the longitudinal axis of the reservoir by an applied force and physically separate from the handle comprising a pressurized or pressurizable unit whose flow rate is controllable to deliver a fluid at a low pressure, and conduit means connecting the tip portion with the fluid reservoir to communicate the fluid from the reservoir to the tip portion.
Claim 3
Dependent Claim
40 words
A method for treating gingivitis comprising inserting the tip portion of the device of claim 1 into an affected gingival pocket and irrigating the affected areas with a sufficient amount of fluid at low pressure to cause a beneficial effect.
Claim 4
Independent Claim
118 words
A device for combined therapeutic treatment of the gums comprising an elongated handle member terminating proximally in a flexible tip portion provided with one or more apertures for discharge of fluid under pressure and configured to expedite probing contact of the tip with the gingival sulcus, a fluid reservoir portion physically separate from the handle member hermetically sealed by a removable insert cap movable along the longitudinal axis of the reservoir portion, and a conduit means in communication between the tip portion and the reservoir portion such that movement of the insert cap along the longitudinal axis of the reservoir portion decreases the total volume of the reservoir and correspondingly increases the pressure on the fluid contoured therein.
Claim 5
Independent Claim
118 words
A device for combined therapeutic treatment of the gums comprising an elongated handle member terminating proximally in a flexible tip portion provided with one or more apertures for discharge of fluid under pressure and configured to expedite probing contact of the tip with the gingival sulcus, a fluid reservoir portion physically separate from the handle member hermetically sealed by a removable insert cap movable along the longitudinal axis of the reservoir portion, and a conduit means in communication between the tip portion and the reservoir portion such that movement of the insert cap along the longitudinal axis of the reservoir portion decreases the total volume of the reservoir and correspondingly increases the pressure on the fluid contoured therein.
References Cited (Backward Citations)
US2287209A
Cited
US2754590A
Cited
US3277894A
Cited
DE1566628A1
Cited
US3724076A
Cited
US4386911A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-10-20 | 1990-04-21 | 1990-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-10-20 | 1994-04-21 | 1994-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-10-20 | 1998-04-21 | 1998-10-21 | $7700.00 | Window Closed / Lapsed |