Retractable brush for use with endoscope for brush biopsy

Details Retractable brush for use with endoscope for brush biopsy Retractable brush for use with endoscope for brush biopsy

2006-02-28

2006-02-28

Campbell, Thor S. (Department: 3742)

Surgery

Diagnostic testing

Sampling nonliquid body material

C600S562000

Reexamination Certificate

active

07004913

ABSTRACT:
A retractable brush structure is attached to a cylindrical rigid rod which in the closed position passes through a channel in an endoscope. After the brush passes through the endoscope, the brush moves against the tissue in order to remove cells from an area under examination. The brush is withdrawn from the endoscope and sample tissue is removed from said brush for examination after it is withdrawn from the endoscope.

REFERENCES:
patent: 6494845 (2002-12-01), Rutenberg
patent: 6676609 (2004-01-01), Rutenberg et al.

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