Patent US5018970A successfully refreshed from Google Patents.
US5018970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Implant teeth--permanent bases with replaceable caps
Assignee: Individual
•
Filing: 1989-05-05
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Granted: 1991-05-28
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Expires: 2009-05-05
Abstract
Abstract The present invention relates to dental endosteal implants with devices to aid in the placement of the implant, and procedures for placing the implant.
Inventors
- 👤 Finn R. Stordahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:35
CPC Classifications
A; A61; A61C; A61C8/00; A61C8/0089
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
147 words
A dental jig for precisely holding and guiding a dental cutting tool for cutting the gum and bone for implanting a dental implant, said jig comprising a central portion and two skirt portions extending from said central portion, said central portion having at least one opening through which a cutting element of said cutting tool passes, said jig further comprising a tool guide, said tool guide having means for connecting said guide to a dental cutting tool and further having two wing portions, said two skirt portions and said two wing portions being removably engaged to provide guiding surfaces, whereby in use the jig is placed over the alveolar ridge with the two skirts covering the gum and a dental cutting tool having the tool guide attached thereto is inserted through said opening with the wing portions engaging the skirt portion to guide said tool while cutting.
Claim 2
Dependent Claim
147 words
A dental jig for precisely holding and guiding a dental cutting tool for cutting the gum and bone for implanting a dental implant, said jig comprising a central portion and two skirt portions extending from said central portion, said central portion having at least one opening through which a cutting element of said cutting tool passes, said jig further comprising a tool guide, said tool guide having means for connecting said guide to a dental cutting tool and further having two wing portions, said two skirt portions and said two wing portions being removably engaged to provide guiding surfaces, whereby in use the jig is placed over the alveolar ridge with the two skirts covering the gum and a dental cutting tool having the tool guide attached thereto is inserted through said opening with the wing portions engaging the skirt portion to guide said tool while cutting.
Claim 3
Dependent Claim
29 words
A jig as claimed in claim 1 wherein the jig and opening are sized to extend over several existing teeth for cutting in several areas at the same time.
Claim 4
Dependent Claim
75 words
A jig as claimed in claim 1 and further including in combination therewith a scalpel for cutting the gum, said scalpel having a handle and a cutting blade, said tool guide being attached to said scalpel so that a wing extends along opposite sides of said blade, whereby when the blade is placed through said opening, the wings engage the skirts and guide the blade to precisely cut along the center of the aveolar gum.
Claim 5
Dependent Claim
76 words
A jig as claimed in claim 1 and further including therewith a router for drilling openings in the jaw bone, said router having a handle and a router bit extending therefrom, said tool guide being attached to said router so that a wing extends along opposite sides of said router bit, whereby when the blade is placed through said opening, the wings engage the skirts and guide the bit to precisely cut into the jaw bone.
Claim 6
Dependent Claim
26 words
A jig and router as claimed in claim 4 wherein, said wings extend straight down, whereby a straight hole will be drilled in the jaw bone.
Claim 7
Dependent Claim
44 words
A jig and router as claimed in claim 4 wherein, the wings extend down at an angle, whereby an angled hole is cut into the jaw bone and whereby, by reversing the wings the drill will cut two precisely angled holes at apposite angles.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-05-27 | 1994-11-26 | 1995-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-05-27 | 1998-11-26 | 1999-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-05-27 | 2002-11-26 | 2003-05-28 | $7700.00 | Window Closed / Lapsed |