Cytologic brush for endoscope
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 25, 2000
Grant Date -
N/A
app pub date -
Feb 1, 1999
filing date -
Feb 13, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cytologic brush for an endoscope has a flexible sheath removably inserted into an instrument-inserting channel. A brush member is provided at the distal end of the sheath. A single control wire is inserted in the sheath to change the direction of the brush member from the proximal end of the sheath. The proximal end of the brush member is connected to a forward link member of a link mechanism provided at the distal end of the sheath. The distal end of the control wire is connected to the rear end of the link mechanism. By moving the control wire back and forth at an operating part connected to the proximal end of the sheath, the link mechanism is operated to change the direction of the brush member with respect to the distal end of the sheath.
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