Modified needle catheter for directional orientation delivery
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United States of America Patent
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Sep 25, 2007
Grant Date -
N/A
app pub date -
Dec 31, 2003
filing date -
Dec 31, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
Methods and apparatus for delivering a treatment agent through a percutaneous delivery apparatus are herein disclosed. In some embodiments, an apparatus can include an expandable body with at least one delivery cannula having a lumen therethrough coupled to an exterior portion of the expandable body. The expandable body can be coupled to a delivery assembly with a hub. The delivery cannula can house at least one needle with a protuberance on a distal end. A portion of the hub can house at least one needle with a protuberance on a proximal end. In some embodiments, the protuberance (proximal or distal) can direct the orientation of the needle during an application of treatment agent. In some embodiments, the delivery cannula can include at least one stop for controlling the movement of the needle during an application of treatment agent. In some embodiments, a sheath can be disposed around the delivery cannula.
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