Ultrasound device for treatment of intervertebral disc
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United States of America Patent
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Oct 23, 2012
Grant Date -
Jan 3, 2008
app pub date -
Jun 12, 2007
filing date -
Aug 29, 2001
priority date (Note) -
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Abstract
An ultrasound device and method for the treatment of intervertebral disc tissue for remediation of back pain. An applicator comprises a catheter and/or needle with a distal tip including one or more ultrasound transducer crystals. The crystals produce high-powered ultrasound energy that is transmitted and absorbed in the disc tissue. The resulting temperature elevation of the disc tissue shrinks the collagen fibers in the surrounding tissue, and/or destroying small nerves that may have invaded and innervated the surrounding degenerated tissue, and can provide increased structural integrity and disc support for the fragmented nucleus pulposus to relieve pressure on the spinal nerves.
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