Wire-guided cytology brush

Details Wire-guided cytology brush Wire-guided cytology brush

1991-02-20

1993-04-13

Hindenburg, Max

Surgery

Truss

Pad

128749, A61B 1000

Patent

active

052013235

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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Foutch et al., "Endoscopic Retrograde Wire-Guided Brush . . . " The American Journal of Gastroentenology vol. 85, No. 7 (1990) pp. 791-795.
Venu et al., "Endoscopic Retrograde Brush Cytology: A New Technique", Gastroenterology, vol. 99, pp. 1457-1479, 1990.
Foutch et al., "Endoscopic Retrograde Wire-Guided Brush Cytology for Diagnosis of Patients With Malignant Obstruction of the Bile Duct", Gastroentestinal Endocscopi, vol. 35, No. 3, 1989.

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