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EP0888752A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Apparatus for impacting bone chips in a bone canal

Assignee: HOWMEDICA INTERNATIONAL S DE RL
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Filing: 1998-07-01
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Granted: —
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Expires: 2018-07-01
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Abstract

Abstract Apparatus for impacting bone chips in a bone canal comprising an impactor having an impaction head of predetermined dimensions and a stem extending therefrom, and a visual indicator provided with means for secure location on said stem to visually indicate the distance of insertion of said impaction head within a bone canal.

Inventors

  • 👤 Denis Pichon
  • 👤 John Andrew Storer

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-24 22:30
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: 9
Claim 1
Independent Claim 52 words
Apparatus for impacting bone chips in a bone canal comprising an impactor having an impaction head of predetermined dimensions and a stem extending therefrom, and a visual indicator provided with means for secure location on said stem to visually indicate the distance of insertion of said impaction head within a bone canal.
Claim 2
Dependent Claim 24 words
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 3
Dependent Claim 24 words
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 4
Dependent Claim 28 words
Apparatus as claimed in claim 2 or claim 3 in which said clip is a push fit onto said stem and is too tight to be manually removed.
Claim 5
Dependent Claim 24 words
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 6
Dependent Claim 27 words
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 7
Dependent Claim 27 words
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 8
Dependent Claim 25 words
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 9
Dependent Claim 46 words
A set of parts for impacting bone chips into a bone canal including two or more impactors and visual indicators as claimed in any one of the preceding claims and in which the head of each impactor is of different dimensions to the other or others.

References Cited (Backward Citations)

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