Method of opening a ductal sphincter using controlled fluid...

Details Method of opening a ductal sphincter using controlled fluid... Method of opening a ductal sphincter using controlled fluid...

2007-03-27

2007-03-27

Hindenburg, Max F. (Department: 3736)

Surgery

Diagnostic testing

Sampling nonliquid body material

Reexamination Certificate

active

10746121

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.

REFERENCES:
patent: 6030399 (2000-02-01), Ignotz et al.
patent: 6398765 (2002-06-01), Hung
patent: 6413228 (2002-07-01), Hung et al.
patent: 2003/0065277 (2003-04-01), Covington

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