Wire-guided cytology brush
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United States of America Patent
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-
Apr 13, 1993
Grant Date -
N/A
app pub date -
Feb 20, 1991
filing date -
Feb 20, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A wire-guided cytology brush is disclosed. The brush comprises a flexible outer sheath and a flexible inner sheath. The inner sheath is disposed within the lumen of the outer sheath. A means for collecting a tissue sample is disposed at a distal end of the inner sheath, a first handle is disposed at a proximal end of the inner sheath, and a second handle is disposed at a proximal end of the outer sheath. The inner and outer sheaths are inserted over a guide-wire such that the guide-wire passes through the lumen of the inner sheath. A retainer clip maintains the relative positioning of the inner sheath within the outer sheath during insertion and removal of the brush assembly over the guide wire.
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