US4776793A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental aspirator
Assignee: Individual
•
Filing: 1987-09-17
•
Granted: 1988-10-11
•
Expires: 2007-09-17
Abstract
Abstract A dental appliance for attachment to an aspirator operated by power vacuum means wherein the tube projecting into the mouth of a patient to evacuate fluid and debris therefrom is provided with openings of preferably funnel shape disposed in spaced relation about the circumference of the tube and positioned adjacent to a generally cup shaped receptacle secured or integral with the tube to catch drippings therefrom of excess fluids or debris not caught by the tube portion projected into the mouth of the patient to prevent splashing therefrom.
Inventors
- 👤 Nina La Rocca
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:59
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/06; A61C17/08
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
118 words
A dental appliance for collecting and removing liquid and debris from the mouth of a patient during the conduct of dental operations therein comprising: tubular suction means adapted to be inserted into the mouth of the patient, power vacuum means adapted to withdraw said liquid and debris from the mouth through said tubular means, said tubular means being provided with a funnel shaped opening in a portion of the tubular means spaced outwardly of the mouth, an inverted cup shaped receptacle disposed on said tubular means above said opening adapted to receive excess fluid and debris from the mouth and to deposit the same into the opening and into the appliance, tubular suction means to withdraw the same.
Claim 2
Dependent Claim
118 words
A dental appliance for collecting and removing liquid and debris from the mouth of a patient during the conduct of dental operations therein comprising: tubular suction means adapted to be inserted into the mouth of the patient, power vacuum means adapted to withdraw said liquid and debris from the mouth through said tubular means, said tubular means being provided with a funnel shaped opening in a portion of the tubular means spaced outwardly of the mouth, an inverted cup shaped receptacle disposed on said tubular means above said opening adapted to receive excess fluid and debris from the mouth and to deposit the same into the opening and into the appliance, tubular suction means to withdraw the same.
Claim 3
Dependent Claim
27 words
A dental appliance according to claim 1 wherein a plurality of openings are provided in the tubular means in spaced relation about the circumference of the tube.
Claim 4
Dependent Claim
35 words
A dental appliance according to claim 1 wherein walls of the tubular means in which the opening is provided is distended to provide a relatively wide mouth for the reception of drippings from the receptacle.
Claim 5
Dependent Claim
15 words
A dental appliance according to claim 1 wherein the receptacle is integral with the tube.
Claim 6
Dependent Claim
17 words
A dental appliance according to claim 1 wherein the receptacle is provided with inwardly turned peripheral sides.
References Cited (Backward Citations)
US3139088A
Cited
US3460255A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-10-11 | 1992-04-11 | 1992-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-10-11 | 1996-04-11 | 1996-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-10-11 | 2000-04-11 | 2000-10-11 | $7700.00 | Window Closed / Lapsed |