Extraction tool for a shaft of a hip joint prosthesis or of a corresponding rasp
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 7, 1997
Grant Date -
N/A
app pub date -
Jan 21, 1997
filing date -
Apr 25, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The extraction tool comprises a sleeve part (13) which can be coupled to a neck portion (6) of a shaft which is to be withdrawn, and a coupling element (15) in the form of a collet which can be fitted onto the neck portion (6). The collet has an elongate section with wall segments (16a) which can be clamped against the neck portion (6), and comprises fittings (23) which can be guided into a constriction (24) of the neck portion (6), and a head part (17) which projects beyond the neck portion (6), wherein the head part (17) can be clamped against the sleeve part (13) via a bias screw (18). The coupling element (15) is loosely connected to the sleeve part (13) and fitted onto the neck portion (6). It can then be clamped by approaching the bias screw (16) against the sleeve part (13) and against the neck portion (6). A rigid yet easily releasable connection between the extraction tool and the shaft to be withdrawn is thus achieved in a simple manner.
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Cited Art Landscape
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