US6416517B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaming tool for reaming bone canals
Assignee: Stryker European Operations Holdings LLC
•
Filing: 1998-08-04
•
Granted: 2002-07-09
•
Expires: 2018-08-04
Abstract
Abstract A reaming tool for reaming bone canals with a drill head which is mounted on an elongate flexible shaft which has a diameter smaller than that of the drill head and be which can be connected to a rotary drive motor, wherein the drill head and shank comprise a through-bore for a guiding wire wherein the shaft at least over a part of its length is spiraled in a thread-like manner.
Inventors
- 👤 Hans E. Harder
- 👤 Seyed-Mehdi Mousavi
- 👤 Vilmos Vécsei
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:48
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/16; A61B17/164; B; B23; B23B; B23B51/00; B23B51/02; B23Q; B23Q11/00; B23Q11/0042; A61B17/1613; A61B17/1631; B23B2251/00; B23B2251/14; B23B51/04; B23B51/0411; Y; Y10; Y10T; Y10T408/00; Y10T408/89; Y10T408/909; Y10T408/9095; Y10T408/9097
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
105 words
A reaming tool for reaming bone canals and conveying cut bone chips from a first depth within the canal to an open end of the bone comprising a drill head which is mounted on an elongated flexible shank which has a diameter smaller than that of the drill head and which can be connected to a rotary drive motor, wherein the drill head and the shank comprise a through-bore for a guiding wire, and wherein the shank contains a flexible spiraled section a substantial portion over of its length that is spiraled in a thread-like manner and has an arcuate thread groove and thread tip.
Claim 2
Dependent Claim
105 words
A reaming tool for reaming bone canals and conveying cut bone chips from a first depth within the canal to an open end of the bone comprising a drill head which is mounted on an elongated flexible shank which has a diameter smaller than that of the drill head and which can be connected to a rotary drive motor, wherein the drill head and the shank comprise a through-bore for a guiding wire, and wherein the shank contains a flexible spiraled section a substantial portion over of its length that is spiraled in a thread-like manner and has an arcuate thread groove and thread tip.
Claim 3
Dependent Claim
16 words
The reaming tool according to claim 1 , wherein the thread tip is rounded or flattened.
Claim 4
Dependent Claim
16 words
The reaming tool according to claim 1 , wherein the shank is of plastic or metal.
Claim 5
Dependent Claim
38 words
The reaming tool according to claim 1 wherein the shank is spiraled over a length such that the spiraled section extends to said open end of the bone canal when the drill head is at said first depth.
Claim 6
Dependent Claim
124 words
A reaming tool for reaming bone canals and conveying cut bone chips from a first depth within the canal to an open end of the bone comprising a drill head mounted on a cannulated elongated flexible shank, wherein the shank has a diameter smaller than that of the drill head, and wherein the shank contains a flexible spiraled section at least over part of its length that is spiraled in a thread-like manner, the spiraled section containing an arcuate thread groove for conveying bone chips and a rounded or flattened thread tip wherein the shank is spiraled over a length such that the spiraled section extends to said open end of the bone canal when the drill head is at a said first depth.
Claim 7
Dependent Claim
124 words
A reaming tool for reaming bone canals and conveying cut bone chips from a first depth within the canal to an open end of the bone comprising a drill head mounted on a cannulated elongated flexible shank, wherein the shank has a diameter smaller than that of the drill head, and wherein the shank contains a flexible spiraled section at least over part of its length that is spiraled in a thread-like manner, the spiraled section containing an arcuate thread groove for conveying bone chips and a rounded or flattened thread tip wherein the shank is spiraled over a length such that the spiraled section extends to said open end of the bone canal when the drill head is at a said first depth.
Claim 8
Dependent Claim
18 words
The reaming tool according to claim 5 wherein the shank can be connected to a rotary drive motor.
Claim 9
Dependent Claim
15 words
The reaming tool according to claim 5 wherein the shank is of plastic or metal.
References Cited (Backward Citations)
FR1280241A
Cited
US3081635A
Cited
US3180379A
Cited
US3667857A
Cited
DE2542056A1
Cited
US4549616A
Cited
US4507028A
Cited
US4751922A
Cited
EP0253526A1
Cited
US4811800A
Cited
US4936313A
Cited
US5122134A
Cited
US5148877A
Cited
US5462130A
Cited
US5908423A
Cited
DE19528242A1
Cited
US5891148A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2005-07-08 | 2006-01-07 | 2006-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2009-07-08 | 2010-01-07 | 2010-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2013-07-08 | 2014-01-07 | 2014-07-09 | $7700.00 | Window Closed / Lapsed |