Surgical instrument for injecting a drug into prostate tissue
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United States of America Patent
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Jan 21, 2014
Grant Date -
Oct 13, 2005
app pub date -
Jun 8, 2005
filing date -
Oct 12, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
Method and surgical instrument for treating prostate tissue including a surgical instrument having a main body, a needle deployment port, a needle, first and second handles and a lockout release mechanism to limit needle extension. Additionally, a kit includes the surgical instrument, together with a cystoscope, and optionally a syringe and reservoir of ethanol. The method includes needle-less injection and visualizing the ethanol injection by delivering both an echogenic agent and ethanol either by needle or needle-less injection or by providing an ultrasonically visible marker near the tip of the ethanol delivery cannula. The method also includes extending the needle transversely of the instrument housing using a link assembly.
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