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US6015408A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for impacting bone chips in a bone canal

Assignee: Stryker European Operations Holdings LLC
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Filing: 1998-06-30
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Granted: 2000-01-18
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Expires: 2018-06-30
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Abstract

Abstract An apparatus for impacting bone chips in a bone canal. The impactor has an impaction head of predetermined dimensions and a stem extending therefrom. There is a visual indicator provided with means for secure location on said stem to visually indicate the distance of insertion of the impaction head within a bone canal.

Inventors

  • 👤 Denis Pichon
  • 👤 John Andrew Storer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 17:39
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/30; A61F2/46; A61F2/4601; A61B; A61B90/00; A61B90/06; A61B2090/062; A61F2/32; A61F2/36; A61F2/3662; A61F2/4657; A61F2002/4662

Claims Analysis

Total Claims: 18
Claim 1
Independent Claim 76 words
A kit including an apparatus for impacting bone chips in a bone canal of a bone having a longitudinal axis and having a reference position marked on said bone with respect to said axis, comprising a series of impactors each having an impaction head of predetermined different diametrical dimensions and a stem extending therefrom, and position indicators selectively engagable with each of said stems at a position therealong corresponding to the reference position on the bone.
Claim 2
Dependent Claim 76 words
A kit including an apparatus for impacting bone chips in a bone canal of a bone having a longitudinal axis and having a reference position marked on said bone with respect to said axis, comprising a series of impactors each having an impaction head of predetermined different diametrical dimensions and a stem extending therefrom, and position indicators selectively engagable with each of said stems at a position therealong corresponding to the reference position on the bone.
Claim 3
Dependent Claim 25 words
The apparatus as claimed in claim 1 in which said visual indicator comprises a clip with means for securing it in position on the stem.
Claim 4
Dependent Claim 25 words
The apparatus as claimed in claim 2 in which said clip is adapted to engage one of a series of grooves provided in said stem.
Claim 5
Dependent Claim 18 words
The apparatus as claimed in claim 2 in which said clip is an interference fit onto said stem.
Claim 6
Dependent Claim 25 words
The apparatus as claimed in claim 2 in which said clip is secured by a screw locating in a series of openings in said stem.
Claim 7
Dependent Claim 28 words
The apparatus as claimed in claim 1 in which said visual indicator is provided by a pin adapted to locate in a series of openings in said stem.
Claim 8
Dependent Claim 28 words
The apparatus as claimed in claim 1 in which said visual indicator is provided by a slide which can be locked into a track provided on said stem.
Claim 9
Dependent Claim 26 words
The apparatus as claimed in claim 1 in which said visual indicator is a screw threaded member located on a screw thread carried on said stem.
Claim 10
Dependent Claim 110 words
A set of parts for impacting bone chips into a bone canal of a bone having a longitudinal axis and having a reference position marked on said bone with respect to said axis comprising an impaction tool and two or more impactors with an impaction head of each impactor being of different diameter, each impactor having a stem with at least two positioning elements formed thereon, each impaction head and stem being cannulated as well as a distal part of said impaction tool and a position indicator removably engageable with each of the positioning elements on said stem at a position therealong corresponding to said reference position on said bone.
Claim 11
Dependent Claim 110 words
A set of parts for impacting bone chips into a bone canal of a bone having a longitudinal axis and having a reference position marked on said bone with respect to said axis comprising an impaction tool and two or more impactors with an impaction head of each impactor being of different diameter, each impactor having a stem with at least two positioning elements formed thereon, each impaction head and stem being cannulated as well as a distal part of said impaction tool and a position indicator removably engageable with each of the positioning elements on said stem at a position therealong corresponding to said reference position on said bone.
Claim 12
Dependent Claim 25 words
The apparatus as claimed in claim 9 in which said visual indicator comprises a clip with means for securing it in position on the stem.
Claim 13
Dependent Claim 25 words
The apparatus as claimed in claim 9 in which said clip is adapted to engage one of a series of grooves provided in said stem.
Claim 14
Dependent Claim 26 words
The apparatus as claimed in claim 9 in which said clip is a push fit onto said stem and is too tight to be manually removed.
Claim 15
Dependent Claim 25 words
The apparatus as claimed in claim 9 in which said clip is secured by a screw locating in a series of openings in said stem.
Claim 16
Dependent Claim 28 words
The apparatus as claimed in claim 9 in which said visual indicator is provided by a pin adapted to locate in a series of openings in said stem.
Claim 17
Dependent Claim 28 words
The apparatus as claimed in claim 9 in which said visual indicator is provided by a slide which can be locked into a track provided on said stem.
Claim 18
Dependent Claim 26 words
The apparatus as claimed in claim 9 in which said visual indicator is a screw threaded member located on a screw thread carried on said stem.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2003-01-17 2003-07-19 2004-01-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2007-01-17 2007-07-19 2008-01-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2011-01-17 2011-07-19 2012-01-18 $7700.00 Window Closed / Lapsed

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