Invention Grant
US08090430B2 Methods and apparatus for acute or chronic delivery or substances or apparatus to extravascular treatment sites 有权
用于急性或慢性传播的方法和装置或血管外治疗部位的物质或装置

Methods and apparatus for acute or chronic delivery or substances or apparatus to extravascular treatment sites
Abstract:
Methods and apparatus for delivery of substances or apparatus to target sites within the body of a human or animal patient. A vessel wall penetrating catheter is inserted into the vasculature, positioned and oriented within a blood vessel near the target extravascular site and a penetrator is advanced from the catheter in the direction of the target site. Thereafter, a delivery catheter is passed through a lumen of the penetrator to the target site. A desired substance or apparatus is then delivered to or obtained from the target site.
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