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ENDOLUMINAL DELIVERY OF ANESTHESIA
专利权人:
David W. Chang
发明人:
David W. Chang
申请号:
US13674792
公开号:
US20130172852A1
申请日:
2012.11.12
申请国别(地区):
US
年份:
2013
代理人:
摘要:
Described herein are methods and devices for selectively applying fluids (particularly anesthetics) to a target tissue from within a blood vessel while minimizing the amount of fluid applied to non-target tissue. The injection catheters described herein may include an elongate body, a directional injector, and one or more holdfasts for securing the catheter before extending the injector. The methods of selectively applying anesthetic to a target structure generally include the steps of inserting an injection catheter into a body vessel, positioning the injection catheter within the body vessel near the target structure, anchoring the injection catheter before extending a directional injector from the injection catheter, and applying anesthetic from the injection catheter to the target structure.
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