Patent US6238398B1 successfully refreshed from Google Patents.
US6238398B1
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US
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Surgical reamer
Assignee: Viant AS&O Holdings LLC
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Filing: 1999-06-14
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Granted: 2001-05-29
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Expires: 2019-06-14
Abstract
Abstract Surgical reamer consisting of a cutting head integral with a drive rod for driving it in rotation. The cutting head has, to the rear, auxiliary cutting teeth whose cutting edges are oriented alternately rightward and leftward in such a way as to permit easy withdrawal of the reamer, by the cutting effect of said teeth, in both directions of rotation.
Inventors
- 👤 André Lechot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:26
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/16; A61B17/164
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A surgical reamer consisting of a rod ( 2 ) driven in rotation, equipped with a cutting head ( 1 ) having cutting teeth ( 4 ) and, toward the rear, auxiliary cutting teeth ( 5 ) permitting easy withdrawal of the reamer, wherein the cutting edges of the auxiliary teeth ( 5 ) are formed from the same flutes as the cutting teeth ( 4 ) and are oriented both leftward and rightward in such a way as to ensure cutting in both directions of rotation.
Claim 2
Dependent Claim
87 words
A surgical reamer consisting of a rod ( 2 ) driven in rotation, equipped with a cutting head ( 1 ) having cutting teeth ( 4 ) and, toward the rear, auxiliary cutting teeth ( 5 ) permitting easy withdrawal of the reamer, wherein the cutting edges of the auxiliary teeth ( 5 ) are formed from the same flutes as the cutting teeth ( 4 ) and are oriented both leftward and rightward in such a way as to ensure cutting in both directions of rotation.
References Cited (Backward Citations)
US2746722A
Cited
US4751922A
Cited
EP0440317A1
Cited
US5122134A
Cited
EP0648477A2
Cited
US5690634A
Cited
DE29616633U1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2004-05-28 | 2004-11-27 | 2005-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2008-05-28 | 2008-11-27 | 2009-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2012-05-28 | 2012-11-27 | 2013-05-29 | $7700.00 | Window Closed / Lapsed |