Annulus-reinforcing band
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United States of America Patent
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Mar 30, 2004
Issued Date -
N/A
app pub date -
Dec 17, 2001
filing date -
Dec 15, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A pliable band or hoop that is flexible to normal handling, but cannot stretch circumferentially once it has reached the limits of its circumferential length. The band may have a structural portal to be used for filling, or it may simply be constructed of a fabric-like material that allows a fill tube to perforate its walls to allow for filling. In the latter case, the perforated wall tends to self-seal once the fill tube is withdrawn. The band may be flat or tubular in cross-section. However, unlike a balloon, the band does not require either a bottom or a top, as we found that a top and bottom are unnecessary when using a band or hoop to enclose material injected into a reamed out intervertebral space.
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