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4) Manual Cleaning of Suction System by Brush
CAUTION:
1) It is highly recommended that only PENTAX cleaning brushes specified in our manuals should be used to clean
PENTAX endoscopes.
2) PENTAX cleaning brushes have been specially designed to clean various PENTAX internal channel systems and
valves, ports or cylinders. Validation studies have been performed supporting the use of PENTAX supplied
brushes and cleaning adapters for cleaning PENTAX scopes following PENTAX manual reprocessing instruc-
tions.
3) Over the years some other manufacturers’ cleaning brushes/devices have been found to damage PENTAX
scopes and/or create the need for servicing as some cleaning devices can become lodged (“stuck”) inside various
lumens of PENTAX scopes. The likelihood for scope damage or servicing increases if a cleaning device does not
have a protective tip (or contains any sharp-edged surface), if its flexible shaft uses a flimsy plastic material that is
not firm enough to allow for easy accessory advancement and/or if the proper sequence and/or direction of chan-
nel cleaning is not followed as described in PENTAX manuals.
4) The cleaning brushes should be always inserted as described in this manual.
5) It is recommended that cleaning brushes should be grasped about 5 cm (2 inches) from any channel ports/open-
ings while advancing/withdrawing a brush. To avoid scope and brush damage, do not use force.
6) To prevent excess friction between brush and channel, do NOT tightly coil the scope while brushing. Keep the
insertion tube and umbilical cable as straight as possible and never attempt to pass the cleaning brush through a
fully angulated scope. Failure to follow these instructions could result in scope or brush damage.
7) Cleaning brushes/devices, especially those with metal coiled flexible shafts should NOT be inserted into the distal
exit/opening of channels. Doing so can damage the endoscopes.
Fig. Place Brush Entrance Exit Fig.
①
Suction Tube CS6021SN Suction Nipple Suction Cylinder 4-a)
②
Suction Channel CS6021SN Suction Cylinder
—
4-b)
③
Instrument Channel CS6021SN Channel Inlet Distal Tip 4-c)
④
Suction Cylinder CS-C5S Suction Cylinder
—
4-d)
⑤
Suction Valve CS-C5S Suction Valve
—
4-e)
Suction Nipple
①Suction Tube
②Suction Channel
③Instrument Channel
Rubber Inlet Seal
⑤Suction Valve
④Suction Cylinder
Channel Inlet
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