Surgical instrument for tissue resection and dissection
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United States of America Patent
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Sep 22, 2009
Grant Date -
Apr 12, 2007
app pub date -
Oct 11, 2005
filing date -
Oct 11, 2005
priority date (Note) -
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Abstract
A surgical instrument has a shaft with a longitudinal axis, a proximal end, and a distal end. The shaft is rotatable about its longitudinal axis by user manipulation of the proximal end. A tissue retainer is positioned at the distal end and is rotatable with the shaft. The retainer has a curved portion that extends around a retainer axis, a tissue holding space within the curved portion, and an entry opening into the holding space. The retainer is configured to be received over and at least partly circumvent a target structure of a surgical field received in the holding space via the entry opening. A surgical component is positioned on a portion of the retainer laterally offset from both the retainer axis and the holding space, is rotatable with rotation of the shaft and retainer and is selectively energizeable to dissect selected tissue.
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