Method of opening a ductal sphincter using controlled fluid pressure
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United States of America Patent
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Mar 27, 2007
Grant Date -
Jun 23, 2005
app pub date -
Dec 23, 2003
filing date -
Dec 23, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
The invention provides methods, devices, and systems for collecting breast ductal fluids. The devices include a ductal access device comprising a low profile, ergonomic manifold hub usable to introduce fluids into a breast duct and collect ductal fluid samples including ductal epithelial cells and clumps of ductal epithelial cells from within a breast duct. The ductal access device also comprises an elongated access catheter having a distal end, one lumen and dimensions which permit introduction of the distal end through a ductal orifice so that a distal end of the catheter may be positioned distal to the ductal sphincter of a human breast. The methods comprise the opening a ductal sphincter or the manipulation of a breast duct using controlled fluid pressure through a ductal access device.
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Family
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