Patent US2490061A successfully refreshed from Google Patents.
US4731085A
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Enossal implant and process for inserting an enossal implant in the jawbone
Assignee: IMPLANTO-LOCK fur IMPLANTATFORSCHUNG- und ENTWICKLUNG NESS 1 D-2000 HAMBURG 11 BUNDESREPUBLIK DEUTSCHLAND GmbH
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Filing: 1985-11-06
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Granted: 1988-03-15
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Expires: 2005-11-06
Abstract
Abstract The invention relates to an enossal implant, which comprises a primary cylinder (10) with a central longitudenal bore (13) which can be introduced into the jawbone and is anchored therein in positive and/or non-positive manner, as well as a secondary cylinder (100) insertable into the primary cylinder (10) and which has an oscillating rod (211) inserted and held in the longitudenal bore (13) and guide tube (30) of primary cylinder (10), said rod carrying an upper modular tube (220) made from an elastic material arranged at a distance from guide tube (30), accompanied by the formation of an air gap (225) and which is constructed at its free upper end for the connection of the dental prosthesis, whereas its lower end is connected in fixed or detachable manner to the primary cylinder (10), so that an implant is obtained which not only leads to a positive and non-positive connection to the bone and a load-free stabilization of the primary cylinder (10), but whose oscillating rod (211) absorbs the horizontal, vertical and torsional forces occuring in the mouth and diverts same into the bottom of the implant.
Inventors
- 👤 Werner-Lutz Koch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:20
CPC Classifications
A; A61; A61C; A61C8/00; A61C8/0086; A61C8/0018; A61C8/0048; A61C8/005; A61C8/0054; A61C8/0057; A61C8/0065; A61C2201/00; A61C2201/007; A61C8/0012; A61C8/0013; A61C8/0059; A61F; A61F2210/00; A61F2210/0014; A61F2210/0019
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
203 words
Enossal implant for the securing of a fixed or removable dental prosthesis, comprising two interconnectable parts, whereof one part is constructed as a primary cylinder (10) with a central longitudinal bore (13), which can be introduced into the jawbone and is anchored therein and the other part is constructed as a secondary cylinder (100) having a post (111), which can be introduced into the longitudinal bore of the primary cylinder and is detachably held therein, said post being constructed as its free upper end for the connection of the dental prosthesis, characterized in that the implant post (150) of the secondary cylinder (100) is surrounded by a force line system (101, 102, 103) diverting the horizontal, vertical, torsional or any combination of the three forces and oscillations occuring in the vicinity of the dental prosthesis or mouth into the lower region of the secondary cylinder (100) and from there into the primary cylinder (10), said system comprising several superimposed modular members (101, 102, 103, 104) with different elastic characteristics, in such a way that a bottom, inelastic region (103, 104) is followed by a region (102) with a limited elasticity and onto the latter is connected a region (101) with a high elasticity.
Claim 2
Dependent Claim
203 words
Enossal implant for the securing of a fixed or removable dental prosthesis, comprising two interconnectable parts, whereof one part is constructed as a primary cylinder (10) with a central longitudinal bore (13), which can be introduced into the jawbone and is anchored therein and the other part is constructed as a secondary cylinder (100) having a post (111), which can be introduced into the longitudinal bore of the primary cylinder and is detachably held therein, said post being constructed as its free upper end for the connection of the dental prosthesis, characterized in that the implant post (150) of the secondary cylinder (100) is surrounded by a force line system (101, 102, 103) diverting the horizontal, vertical, torsional or any combination of the three forces and oscillations occuring in the vicinity of the dental prosthesis or mouth into the lower region of the secondary cylinder (100) and from there into the primary cylinder (10), said system comprising several superimposed modular members (101, 102, 103, 104) with different elastic characteristics, in such a way that a bottom, inelastic region (103, 104) is followed by a region (102) with a limited elasticity and onto the latter is connected a region (101) with a high elasticity.
Claim 3
Dependent Claim
25 words
Enossal implant according to claim 1, characterized in that the implant post (150) is made from a ceramic material, the implant post (150) being surrounded.
Claim 4
Dependent Claim
87 words
Enossal implant according to claim 1 or 2, further comprising an implant attachment (106), characterized in that said force line system (101, 102, 103, 104) surrounding the implant post (150) comprises at least one lower modular member (104, 103) made from inelastic material, a central modular member (102) following onto the same and made from a material with limited elasticity and an upper modular member (101) following onto the same made from a highly elastic material, the upper modular member (101) extending into said implant attachment (106).
Claim 5
Dependent Claim
19 words
Enossal implant according to claim 3, characterized in that said modular members (101 to 104) have approximately equal lengths.
Claim 6
Dependent Claim
46 words
Enossal implant according to claim 3, characterized in that a guide tube (30) as an elatically deformable intermediate layer is placed in the longitudinal bore (13) of primary cylinder (10) and receives the implant post (150) with said modular members (101 to 104) surrounding the same.
Claim 7
Dependent Claim
46 words
Enossal implant according to claim 1, characterized in that the primary cylinder (10) has a bearing surface (15) for implant attachment (106) and an upper all-round edge (14), the bearing surface (15) and edge (14) being highly polished over a width of 1 to 5 mm.
Claim 8
Dependent Claim
17 words
Enossal implant according to claim 1, characterized in that the primary cylinder (10) is made from titanium.
Claim 9
Dependent Claim
19 words
Enossal implant according to claim 1, characterized in that said primary cylinder (10) is externally coated with hydroxyapatite (11).
References Cited (Backward Citations)
US4270905A
Cited
US4543379A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-03-15 | 1991-09-14 | 1992-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-03-15 | 1995-09-14 | 1996-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-03-15 | 1999-09-14 | 2000-03-15 | $7700.00 | Window Closed / Lapsed |