Intervertebral spacer device having a slotted domed arch strip spring
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United States of America Patent
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Dec 5, 2006
Issued Date -
N/A
app pub date -
Aug 22, 2005
filing date -
Oct 18, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
An intervertebral spacer device includes first and second plate members, each having plate surfaces thereof, the plate members being disposed in a spaced apart relationship such that inner ones of the plate surfaces oppose one another, and external ones of the plate surfaces face in opposite directions. The device includes at least one slotted domed arch strip spring disposed between the inner surfaces of the first and second plate members for counteracting compressive load applied to the external surfaces of the plate members, one of the plate members having a ball-shaped head attached thereto and spaced from the inner surface thereof, and the at least one slotted domed arch strip spring having a central opening including a curvate volume for receiving and holding therein the ball-shaped head.
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