Devices, systems, and methods for delivering fluid to tissue
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United States of America Patent
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Jun 14, 2016
Issued Date -
N/A
app pub date -
Jan 13, 2014
filing date -
Jul 20, 2009
priority date (Note) -
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Abstract
A needleless fluid injection device including a flexible shaft with a proximal end, a distal end, an injection lumen extending from the proximal end to the distal end of the shaft, and at least one injection orifice extending through a wall of the injection lumen at the distal end of the shaft. The injection lumen can include a depth-limiting system (462) at its distal end for controlling the depth of insertion of the injection lumen relative to a target tissue of a patient. The injection lumen can alternatively or additionally include at least one guidance feature. The injection lumen can alternatively or additionally include at least one flow-modifying protrusion extending from the inner tubular wall of the injection lumen and toward a longitudinal axis of the injection lumen.
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