Access sheath and needle assembly for delivering therapeutic material
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United States of America Patent
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Feb 3, 2015
Grant Date -
Mar 22, 2012
app pub date -
Jun 4, 2010
filing date -
Jun 5, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
Medical device (10) for delivering therapeutic material to a patient. The device comprises an access sheath (12) having a proximal section (18) extending to a distal section (20). A working lumen (22) is formed in the proximal and distal sections. The distal section has a plurality of side ports (48) formed therethrough in fluid communication with the working lumen. The distal section has a deflection section (42) actuatable to bend at an angle for positioning the side ports in the patient. A needle assembly (14) is configured to move within the working lumen between a retracted position and an extended position. In fluid communication with a central lumen is a plurality of needles (80). The needles are disposed within the access sheath in the retracted position and the needles extend through the side ports outwardly from the access sheath in the extended position.
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