RF electrode array for low-rate collagen shrinkage in capsular shift procedures and methods of use
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United States of America Patent
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Jan 2, 2001
Grant Date -
N/A
app pub date -
Feb 25, 1999
filing date -
Feb 27, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Methods and apparatus are provided for an achieving low-rate collagen shrinkage using an electrode array comprising an elongated insulator strip having at least one pair of spaced-apart bi-polar RF electrodes, and a 'channeling' disposed on the strip between the bi-polar electrodes to direct the flow of RF current therebetween. The channeling electrode is not directly coupled to the RF power source, but only indirectly through the tissue in contact with the channeling electrode. The apparatus enables low RF power levels (e.g., 0.5 watts to 25 watts) to be applied over time intervals of 5 seconds to 180 seconds to attain low-rate collagen shrinkage by directing or focusing the path of the RF current.
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