Method of using a vertebral retainer-distracter
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United States of America Patent
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app pub date -
Apr 28, 2006
filing date -
Jul 21, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method for distracting at least two adjacent vertebrae and/or retaining them in a spaced apart position. Anchor screws are secured to the adjacent vertebrae and tubes of a retainer-distracter instrument frame are slid down over the anchor screws, after which the anchor screws are positively secured to the tubes of the frame. The frame includes a structure for moving the arms and hence the anchor screws and vertebrae toward and away from each other. After the anchor screws and frame are attached, a separate distracter distracts the vertebrae away from each other, whereupon the instrument acts only as a retainer to hold the vertebrae apart.
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