Patent US4952271A successfully refreshed from Google Patents.
Patent US4079515A successfully refreshed from Google Patents.
US4079515A
Expired / Lapsed
US
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Implant devices for retaining dentures
Assignee: Baxter International Inc
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Filing: 1975-11-19
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Granted: 1978-03-21
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Expires: 1995-11-19
Abstract
Abstract An implant device for retaining dentures comprised of a barrel portion capable of receiving a denture retaining means, preferably a magnet, and a base portion integrally formed with the barrel portion. The base portion is provided with a flange having a plurality of apertures formed therein. The device is capable of being permanently implanted into the mouth of a patient.
Inventors
- 👤 Joel Friedman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:30
CPC Classifications
A; A61; A61C; A61C8/00; A61C8/0081; A61C13/00; A61C13/225; A61C13/235; A61C8/0018
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
119 words
An implant device for retaining dentures comprising: a first portion capable of receiving a denture retaining means, and first portion comprising a barrel having a cavity therein, said first portion being provided with a magnet; and, a base portion integrally formed with said first portion, said base portion having at least one pair of flanges angled with respect to each other such that the device is capable of being implanted over the top of the ridge of the jaw and under the periosteum, said flange being provided with a plurality of apertures, said apertures allowing periosteal tissue ingrowth to permanently secure the device onto the jaw, the exterior surface of said device consisting essentially of a non-porous polymeric carbon.
Claim 2
Dependent Claim
119 words
An implant device for retaining dentures comprising: a first portion capable of receiving a denture retaining means, and first portion comprising a barrel having a cavity therein, said first portion being provided with a magnet; and, a base portion integrally formed with said first portion, said base portion having at least one pair of flanges angled with respect to each other such that the device is capable of being implanted over the top of the ridge of the jaw and under the periosteum, said flange being provided with a plurality of apertures, said apertures allowing periosteal tissue ingrowth to permanently secure the device onto the jaw, the exterior surface of said device consisting essentially of a non-porous polymeric carbon.
Claim 3
Dependent Claim
21 words
The implant device of claim 1 wherein the outer surface of said device consists essentially of a biocompatible and non-biodegradable material.
Claim 4
Dependent Claim
19 words
The implant device of claim 1 wherein the outer surface of said device consists essentially of a polymeric carbon.
Claim 5
Dependent Claim
11 words
The implant device of claim 1 wherein said flange is saddle-shaped.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-03-20 | 1981-09-19 | 1982-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-03-20 | 1985-09-19 | 1986-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-03-20 | 1989-09-19 | 1990-03-21 | $7700.00 | Window Closed / Lapsed |