Vividly simulated prosthetic intervertebral disc
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United States of America Patent
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May 17, 2005
Grant Date -
Sep 30, 2004
app pub date -
Mar 31, 2003
filing date -
Mar 31, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A prosthetic intervertebral disc includes an upper fusion member adapted to be gradually fused and secured to an upper vertebra, a lower fusion member adapted to be gradually fused and secured to a lower vertebra, and a restorable cushioning coupler retained in between the upper and lower fusion members, whereby upon bending or twisting of a patient's spine, the upper and the lower fusion members may be flexibly moved with each other for enhancing free movement of the patient's spine and body, safely resiliently cushioned and easily restored by the cushioning coupler in between the upper and lower fusion members.
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