Expandable implant for partial disc replacement and reinforcement of a disc partially removed in a discectomy and for reduction and maintenance of alignment of cancellous bone fractures and methods and apparatuses for same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Apr 17, 2003
app pub date -
Aug 27, 2002
filing date -
Aug 27, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Expandable implants for intervertebral disc repair, and methods and apparatuses for delivering the same into the disc. The present implants can also be used for repair of bone fractures. The implants generally comprise a compressed form having a size adapted for insertion into a defect in the intervertebral disc, and a composition that allows the implant to expand from the compressed form into an expanded form after the implant is inserted into the defect. The expanded form of the implant has a configuration that fills the defect in the disc. The defect in the disc can be an annular defect that resulted from repair of a herniation of the disc, or a nucleus that needs to be repaired. The composition used to make the implant can comprise a shape memory alloy (SMA) or any other suitable material.
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