High repetition rate erbium: YAG laser for tissue ablation
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United States of America Patent
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May 28, 2002
Issued Date -
N/A
app pub date -
Jun 13, 2000
filing date -
Apr 17, 1995
priority date (Note) -
Expired
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Abstract
A medical laser system is disclosed for ablating biological material. The system includes an Erbium:YAG gain medium capable of generating a pulsed output having a wavelength of 2.9 microns. The laser is optimized to generate a pulsed output having a repetition rate of at least 50 hertz and preferably at least 100 hertz. The output is delivered to the target tissue via an optical fiber. Preferably, a suction source is provided to aspirate the tissue as it is being ablated. The erbium laser system provides accurate ablation with minimal damage to surrounding tissue.
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