Catheter having tapered guide surface
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United States of America Patent
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Jul 14, 2015
Issued Date -
N/A
app pub date -
Mar 7, 2013
filing date -
Dec 16, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
Medical devices and methods for making and using medical devices are disclosed. An example catheter is disclosed. The catheter comprises a catheter body having a catheter lumen and a high pressure tube disposed within the catheter lumen. The high pressure tube has a substantially circular cross section. The catheter also includes a fluid jet loop coupled to the high pressure tube at a transition section. The transition section has a circular cross section and a non-circular cross section. The fluid jet loop includes fluid jet orifices along a tapered loop guide surface. The catheter also includes a distal guide. The intermediate guide surface of the catheter lumen flushly engages with a leading edge of the tapered loop guide surface and the distal guide is configured to guide the instrument over the intermediate guide surface, the tapered loop guide surface and through the fluid jet loop.
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