Artificial disc prosthesis
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United States of America Patent
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Issued Date -
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app pub date -
Feb 24, 2006
filing date -
Apr 4, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A visco-elastic motion-limiting artificial intervertebral disc prosthesis is provided that mimics the physiologic function of a normal spinal disc. The disc comprises upper and lower endplates having therewithin channels or openings for optionally receiving one or more motion-limiting members fitted on each end with an enlarged portion. One or more compression stops is provided between the upper and lower endplates. Additionally, an elastomeric cushion is disposed between the endplates and surrounds the motion-limiting members. Also, force transducers and microelectronics can be utilized to provide data to the surgeon or the patient regarding the load state of the disc.
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