Intervertebral spacer device having a wave washer force restoring element
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United States of America Patent
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-
Jul 6, 2004
Grant Date -
Feb 27, 2003
app pub date -
Oct 16, 2002
filing date -
Jul 16, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An intervertebral spacer device having a pair of opposing plates for seating against opposing vertebral bone surfaces, separated by at least one force restoring element. The preferred force restoring mechanism is a wave washer. In a first embodiment the wave washer is ring-shaped. In a second embodiment the wave washer is spiral-shaped.
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Cited Art Landscape
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