US5098291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressurized medicant applicator
Assignee: Colgate Palmolive Co
•
Filing: 1989-12-18
•
Granted: 1992-03-24
•
Expires: 2009-12-18
Abstract
Abstract This hand-held pressurized applicator is very effective to apply medicants to the perio pocket area of the tooth-gum margin. This pressurized applicator can be held and used in any orientation. The medicant is applied at a pressure of greater than about 20 psi, and preferably a pressure of greater than about 30 psi. In one embodiment, there is used a tip that fits into the perio pocket of teeth, and in a second embodiment there is used a toothbrush with the medicant flowing from between the bristles of the toothbrush or through hollow bristles.
Inventors
- 👤 John P. Curtis
- 👤 James H. Kemp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:18
CPC Classifications
A; A46; A46B; A46B11/00; A46B11/001; A46B11/0017; A61; A61C; A61C19/00; A61C19/06; A46B2200/00; A46B2200/10; A46B2200/1066
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
126 words
An oral hygiene device comprising a replaceable pressurized cartridge fitted into one end of a body housing, said body housing having at the other end means to deliver a substance to a particular region of the oral cavity, said body housing having a fitment means which is actuated by a trigger, one end of said fitment means receiving said replaceable pressurized cartridge and the other end of said fitment means connected by a conduit to said means to deliver a substance to a particular region of said oral cavity, said replaceable pressurized cartridge having a vapor tap valve whereby said replaceable pressurized cartridge can deliver said substance from the top or bottom of said replaceable pressurized cartridge depending on the orientation of said oral hygiene device.
Claim 2
Dependent Claim
126 words
An oral hygiene device comprising a replaceable pressurized cartridge fitted into one end of a body housing, said body housing having at the other end means to deliver a substance to a particular region of the oral cavity, said body housing having a fitment means which is actuated by a trigger, one end of said fitment means receiving said replaceable pressurized cartridge and the other end of said fitment means connected by a conduit to said means to deliver a substance to a particular region of said oral cavity, said replaceable pressurized cartridge having a vapor tap valve whereby said replaceable pressurized cartridge can deliver said substance from the top or bottom of said replaceable pressurized cartridge depending on the orientation of said oral hygiene device.
Claim 3
Dependent Claim
24 words
An oral hygiene device as in claim 1 wherein said replaceable pressurized cartridge serves as part of the handle of said oral hygiene device.
Claim 4
Dependent Claim
26 words
An oral hygiene device as in claim 1 wherein said substance in said replaceable pressurized cartridge is under a pressure of at least about 20 psi.
Claim 5
Dependent Claim
34 words
An oral hygiene device as in claim 1 wherein said replaceable pressurized cartridge has at least one projection and said body housing has at least one recess to accept said at least one projection.
Claim 6
Dependent Claim
46 words
An oral hygiene device as in claim 1 wherein said replaceable pressurized cartridge has threads on the exterior surface thereof which mate with internal threads on the inner surface of said body housing so as to maintain said replaceable pressurized cartridge fitted onto said body housing.
Claim 7
Dependent Claim
88 words
An oral hygiene device as in claim 1 including at least one coupling arm on said fitment means which extends over a projecting dispensing valve stem on said replaceable pressurized cartridge, said fitment means having an internal opening of a greater diameter to accept said dispensing valve and a decreased diameter passage against which the projecting dispensing valve on said replaceable pressurized cartridge contacts, whereby when said fitment means is pushed downwardly said dispensing valve stem is pushed downwardly to actuate a valve in said replaceable pressurized cartridge.
Claim 8
Dependent Claim
23 words
An oral hygiene device as in claim 6 wherein said trigger pivots and contacts said at least one contact arm on said fitment.
Claim 9
Dependent Claim
18 words
An oral hygiene device as in claim 6 wherein said trigger forms a part of the body housing.
Claim 10
Dependent Claim
47 words
An oral hygiene device as in claim 6 wherein said means to deliver a substance to a particular region of the oral cavity consists of an elongated rigid conduit having on the end thereof a tip for applying said substance to the margin between teeth and gums.
Claim 11
Dependent Claim
51 words
An oral hygiene device as in claim 6 wherein said means to deliver a substance to a particular region of the oral cavity consists of an elongated rigid conduit having on the end thereof a plurality of bristles and opening means to provide said substance to the region of the bristle.
Claim 12
Dependent Claim
37 words
An oral hygiene device as in claim 6 wherein said means to deliver a substance to a particular region comprises a plurality of hollow bristles for the delivery of medicants and other substances from the brush head.
Claim 13
Dependent Claim
18 words
An oral hygiene device as in claim 1 wherein said trigger forms a part of the body housing.
Claim 14
Dependent Claim
47 words
An oral hygiene device as in claim 1 wherein said means to deliver a substance to a particular region of the oral cavity consists of an elongated rigid conduit having on the end thereof a tip for applying said substance to the margin between teeth and gums.
Claim 15
Dependent Claim
51 words
An oral hygiene device as in claim 1 wherein said means to deliver a substance to a particular region of the oral cavity consists of an elongated rigid conduit having on the end thereof a plurality of bristles and opening means to provide said substance to the region of the bristle.
Claim 16
Dependent Claim
37 words
An oral hygiene device as in claim 1 wherein said means to deliver a substance to a particular region comprises a plurality of hollow bristles for the delivery of medicants and other substances from the brush head.
References Cited (Backward Citations)
US1681320A
Cited
US2645097A
Cited
US3164153A
Cited
US3144867A
Cited
US3189232A
Cited
US3391696A
Cited
US3612706A
Cited
US3742942A
Cited
US4236889A
Cited
US4457711A
Cited
DE3203723A1
Cited
US4512769A
Cited
EP0143617A2
Cited
US4655198A
Cited
US4906187A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-03-24 | 1995-09-23 | 1996-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-03-24 | 1999-09-23 | 2000-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-03-24 | 2003-09-23 | 2004-03-24 | $7700.00 | Window Closed / Lapsed |