TJF
Table of contents
Loading...
Refer to the endoscope’s companion manual, the “OLYMPUS TJF TYPE 160VR
REPROCESSING MANUAL” for reprocessing information.
INSTRUCTIONS
EVIS EXERA DUODENOVIDEOSCOPE
OLYMPUS TJF TYPE 160VR
Contents
i
EVIS EXERA TJF TYPE 160VR OPERATION MANUAL
Contents
Symbols......................................................................................... 1
Important Information — Please Read Before Use.................... 2
Intended use ............................................................................................ 2
Applicability of endoscopy and endoscopic treatment ............................. 2
Instruction manual..................................................................................... 3
User qualifications .................................................................................... 3
Instrument compatibility ........................................................................... 3
Reprocessing before the first use/reprocessing and storage after use..... 4
Spare equipment ...................................................................................... 4
Repair and modification ........................................................................... 4
Signal words ............................................................................................. 4
Warnings and cautions.............................................................................. 5
Examples of inappropriate handling ......................................................... 7
Chapter 1 Checking the Package Contents............................ 8
Chapter 2 Instrument Nomenclature and Specifications ...... 10
2.1 Nomenclature.................................................................................. 10
2.2 Endoscope functions....................................................................... 12
2.3 Specifications .................................................................................. 14
Chapter 3 Preparation and Inspection .................................... 17
3.1 Preparation of the equipment.......................................................... 18
3.2 Inspection of the endoscope ........................................................... 19
3.3 Preparation and inspection of accessories ..................................... 23
3.4 Attaching accessories to the endoscope ........................................ 28
3.5 Inspection and connection of ancillary equipment .......................... 37
3.6 Inspection of the endoscopic system .............................................. 39
Chapter 4 Operation ................................................................. 44
4.1 Insertion .......................................................................................... 46
4.2 Using endo-therapy accessories..................................................... 52
4.3 Withdrawal of the endoscope.......................................................... 61
4.4 Transportation of the endoscope .................................................... 62
Contents
ii
EVIS EXERA TJF TYPE 160VR OPERATION MANUAL
Chapter 5 Troubleshooting ...................................................... 63
5.1 Troubleshooting guide .................................................................... 63
5.2 Withdrawal of the endoscope with an abnormality.......................... 67
5.3 Returning the endoscope for repair................................................. 69
Appendix........................................................................................ 71
System chart ............................................................................................ 71
EMC information........................................................................................ 80
Symbols
1
EVIS EXERA TJF TYPE 160VR OPERATION MANUAL
Symbols
The meaning(s) of the symbol(s) shown on the package with the components,
the back cover of this instruction manual and/or this instrument are as follows:
Refer to instructions.
Endoscope
TYPE BF applied part
Manufacturer
Authorized representative in the European Community
2
Important Information — Please Read Before Use
EVIS EXERA TJF TYPE 160VR OPERATION MANUAL
Important Information — Please Read
Before Use
Intended use
This instrument has been designed to be used with an Olympus video system
center, light source, documentation equipment, video monitor, endo-therapy
accessories (such as a biopsy forceps) and other ancillary equipment for
endoscopy and endoscopic surgery within the duodenum.
Do not use this instrument for any purpose other than its intended use.
Applicability of endoscopy and endoscopic treatment
If there is an official standard on the applicability of endoscopy and endoscopic
treatment that is defined by the hospital’s administration or other official
institutions such as academic societies on endoscopy, follow that standard.
Before starting endoscopy and endoscopic treatment, thoroughly evaluate its
properties, purposes, effects, and possible risk (their natures, extent and
probability). Perform endoscopy and endoscopic treatment only when its
potential benefits are greater than its risks.
Fully explain to the patient the potential benefits and risks of the endoscopy and
endoscopic treatment as well as any examination/treatment methods that can be
performed in its place, and perform the endoscopy and endoscopic treatment
only after obtaining the consent of the patient.
Even after starting the endoscopy and endoscopic treatment, continue to
evaluate the potential benefits and risks, and immediately stop the
endoscopy/treatment and take proper measures if the risks to the patient
become greater than the potential benefits.
Important Information — Please Read Before Use
3
EVIS EXERA TJF TYPE 160VR OPERATION MANUAL
Instruction manual
This instruction manual contains essential information on using this instrument
safely and effectively. Before use, thoroughly review this manual and the
manuals of all equipment which will be used during the procedure and use the
equipment as instructed.
Note that the complete instruction manual set for this endoscope consists of this
manual and the “REPROCESSING MANUAL” whose cover lists the model of
your endoscope. It also accompanied the endoscope at shipment.
Keep this and all related instruction manuals in a safe, accessible location.
If you have any questions or comments about any information in this manual,
please contact Olympus.
User qualifications
The operator of this instrument must be a physician or medical personnel under
the supervision of a physician and must have received sufficient training in
clinical endoscopic technique. This manual, therefore, does not explain or
discuss clinical endoscopic procedures. For details on clinical endoscopic
procedures, the physician and operator are requested to form judgments from
their viewpoints as specialists.
Instrument compatibility
Refer to the “System chart” in the Appendix to confirm that this instrument is
compatible with the ancillary equipment being used. Using incompatible
equipment can result in patient or operator injury and/or equipment damage.
This instrument complies with EMC standard for medical electrical equipment;
edition 2 (IEC 60601-1-2: 2001). However, when connected with an instrument
that complies with EMC standard for medical electrical equipment; edition 1
(IEC 60601-1-2: 1993), the whole system complies with edition 1.
4
Important Information — Please Read Before Use
EVIS EXERA TJF TYPE 160VR OPERATION MANUAL
Reprocessing before the first use/reprocessing and
storage after use
This instrument was not cleaned, disinfected or sterilized before shipment.
Before using this instrument for the first time, reprocess it according to the
instructions given in the endoscope’s companion manual, the “REPROCESSING
MANUAL” whose cover lists the model of your endoscope. After using this
instrument, reprocess and store it according to the instructions given in the
endoscope’s companion reprocessing manual. Improper and/or incomplete
reprocessing or storage can present an infection-control risk, cause equipment
damage or reduce performance.
Spare equipment
Be sure to prepare another endoscope to avoid that the examination will be
interrupted due to equipment failure or malfunction.
Repair and modification
This instrument does not contain any user-serviceable parts. Do not
disassemble, modify or attempt to repair it; patient or operator injury and/or
equipment damage can result. This instrument is to be repaired by Olympus
technicians only.
Signal words
The following signal words are used throughout this manual:
Indicates a potentially hazardous situation which, if not
avoided, could result in death or serious injury.
Indicates a potentially hazardous situation which, if not
avoided, may result in minor or moderate injury. It may also
be used to alert against unsafe practices or potential
equipment damage.
Indicates additional helpful information.
Important Information — Please Read Before Use
5
EVIS EXERA TJF TYPE 160VR OPERATION MANUAL
Warnings and cautions
Follow the warnings and cautions given below when handling this instrument.
This information is to be supplemented by the warnings and cautions given in
each chapter.
• After using this instrument, reprocess and store it according
to the instructions given in the endoscope’s companion
reprocessing manual. Using improperly or incompletely
reprocessed or stored instruments may cause patient
cross-contamination and/or infection.
• Do not strike, bend, hit, pull, twist, or drop the endoscope’s
distal end, insertion tube, bending section, control section,
universal cord, or endoscope connector of the endoscope
with excessive force. The endoscope may be damaged and
could cause patient injury, burns, bleeding and/or
perforations. It could also cause parts of the endoscope to fall
off inside the patient.
• Never perform angulation control forcibly or abruptly. Never
forcefully pull, twist or rotate the angulated bending section.
Patient injury, bleeding and/or perforation can result. It may
also become impossible to straighten the bending section
during an examination.
• Never insert or withdraw the endoscope’s insertion tube while
the bending section is locked in position. Patient injury can
result.
• Do not touch the light guide of the endoscope connector
immediately after removing it from the light source because it
is extremely hot. Operator or patient burns can result.
• Do not twist the insertion tube within a narrow tube. This
could cause the distal cover to come off.
• Never operate the bending section, feed air or perform
suction, insert or withdraw the endoscope’s insertion tube,
without viewing the endoscopic image. Never use
endo-therapy accessories without viewing the endoscopic
image. Patient injury can result.
• Never operate the bending section, feed air or perform
suction, insert or withdraw the endoscope’s insertion tube
while the image is frozen. Never use endo-therapy
accessories while the image is frozen. Patient injury, can
result.
6
Important Information — Please Read Before Use
EVIS EXERA TJF TYPE 160VR OPERATION MANUAL
• Never insert or withdraw the endoscope’s insertion tube with
excessive force. Otherwise, patient injury could result.
• Do not pull the universal cord during an examination. The
endoscope connector will be pulled out from the output
socket of the light source and the endoscopic image will not
be visible.
• Do not coil the insertion tube or universal cord into a diameter
of less than 12 cm. Equipment damage can result.
• Do not touch the electrical contacts inside the electrical
connector. CCD damage may result.
• Do not apply shock to the distal end of the insertion tube,
particularly the objective lens surface at the distal end.
Visual abnormalities may result.
• Do not twist or bend the bending section with your hands.
Equipment damage may result.
• Do not squeeze the bending section forcefully. The covering
of the bending section may stretch or break and cause water
leaks.
• Turn the video system center OFF before connecting or
disconnecting the videoscope cable from the electrical
connector on the endoscope. Turn the switch ON or OFF
only when the videoscope cable is connected to both the
video system center and electrical connector on the
endoscope. Failure to do so can result in equipment damage,
including destruction of the CCD.
• The endoscope’s remote switches cannot be removed from
the control section. Pressing, pulling or twisting them with
excessive force can break the switches and/or may cause
water leaks.
• If remote switch 1 does not return to the OFF position after
being pressed strongly from the side, gently pull the switch
upwards to return it to the OFF position.
• Do not hit or bend the electrical contacts on the endoscope
connector. The connection to the light source may be
impaired and faulty contact can result.
• Do not attempt to bend the endoscope’s insertion tube with
excessive force. Otherwise, the insertion tube may be
damaged.
Important Information — Please Read Before Use
7
EVIS EXERA TJF TYPE 160VR OPERATION MANUAL
• The endoscope contains a memory chip that stores
information about the endoscope and communicates this
information to the CV-160. Although the memory chip is
durable, damage will prevent data from being backed up on
it. When data are lost or damaged, contact Olympus.
• Electromagnetic interference may occur on this instrument
near equipment marked with the following symbol or other
portable and mobile RF (Radio Frequency) communications
equipment such as cellular phones. If electromagnetic
interference occurs, mitigation measures may be necessary,
such as reorienting or relocating this instrument, or shielding
the location.
Examples of inappropriate handling
Details on clinical endoscopic technique are the responsibility of trained
specialists. Patient safety in endoscopic examinations and endoscopic treatment
can be ensured through appropriate handling by the physician and the medical
facility. Examples of inappropriate handling are given below.
• Over-insufflating the lumen may cause patient pain and/or perforation.
• Applying prolonged suction with the distal end in contact with the
mucosal surface may cause bleeding or lesions.
• Retroflexing the endoscope within the esophagus or duodenal bulb may
cause mucosal trauma or impaction of the endoscope.
• Inserting, withdrawing and using endo-therapy accessories without a
clear endoscopic image may cause burns or perforation.
• Inserting or withdrawing the endoscope, feeding air, applying suction or
operating the bending section without a clear endoscopic image may
cause patient injury.
8
Chapter 1 Checking the Package Contents
EVIS EXERA TJF TYPE 160VR OPERATION MANUAL
Chapter 1 Checking the Package
Contents
Match all items in the package with the components shown below. Inspect each
item for damage. If the instrument is damaged, a component is missing or you
have any questions, do not use the instrument; immediately contact Olympus.
This instrument was not disinfected or sterilized before shipment.
Before using this instrument for the first time, reprocess it according to the
instructions given in the endoscope’s companion manual, the “REPROCESSING
MANUAL” whose cover lists the model of your endoscope.
Chapter 1 Checking the Package Contents
9
EVIS EXERA TJF TYPE 160VR OPERATION MANUAL
Endoscope
Channel-opening cleaning
brush (MH-507)
Channel cleaning brush
(BW-20T)
Water-resistant cap (MH-553)
Injection tube (MH-946)
Channel plug (MH-944)
Operation manual Reprocessing manual
AW channel cleaning
adapter (MH-948)
Biopsy valve
(MB-358, 10 pcs)
Air/water valve
(MH-438, 2 pcs)
Suction valve
(MH-443, 2 pcs)
Mouthpiece
(MB-142, 2 pcs)
Washing tube
(MH-974)
Distal cover
(MAJ-311, 2 pcs)
Suction cleaning adapter
(MH-856)
Instructions
(Leaflet type,
fixing the guidewire)
Instructions
(Caution for attaching
the distal cover)
Instruction manual
(Distal cover)
10
Chapter 2 Instrument Nomenclature and Specifications
EVIS EXERA TJF TYPE 160VR OPERATION MANUAL
Chapter 2 Instrument Nomenclature
and Specifications
2.1 Nomenclature
Universal cord
Air pipe
Light guide
Product name and serial number
Electrical contacts
1. Suction connector
2. S-cord connector mount5. Electrical connector
3. Air supply connector
3. Water supply connector
4. Endoscope connector
Chapter 2 Instrument Nomenclature and Specifications
11
EVIS EXERA TJF TYPE 160VR OPERATION MANUAL
Suction cylinder
17. RIGHT/LEFT
angulation lock
18. RIGHT/LEFT
angulation
control knob
Control
section
Air/water cylinder
Grip section
Boot
Working length
Insertion tube
Distal end
Biopsy valve
(MB-358)
Guidewire fixing
function color (blue)
Guidewire fixing
function mark
Distal cover
(MAJ-311)
8. Suction valve (MH-443)
9. Air/water valve (MH-438)
7. UP/DOWN angulation lock
6. UP/DOWN angulation control knob
19. Elevator control lever
16. Color code
15. Elevator channel plug
10. Instrument channel port
11. Insertion tube
limit mark
14. Remote switches
12. Forceps elevator
13. Bending section
To p v ie w
12
Chapter 2 Instrument Nomenclature and Specifications
EVIS EXERA TJF TYPE 160VR OPERATION MANUAL
2.2 Endoscope functions
1. Suction connector
This connector connects the endoscope to the suction tube of the suction
pump.
2. S-cord connector mount
This mount connects the endoscope with the Olympus electrosurgical unit
via the S-cord. The S-cord conducts leakage current from the endoscope to
the electrosurgical unit. To connect the S-cord, refer to the instruction
manual for the electrosurgical unit.
3. Water supply connector and air supply connector
These connectors connect the endoscope to the water container via the
water container tube, to supply water to the distal end of the endoscope.
4. Endoscope connector
This connector connects the endoscope to the output socket of the light
source and transmits light from the light source to the endoscope.
5. Electrical connector
This connector connects the endoscope to the video system center via the
videoscope cable. The endoscope contains a memory chip that stores
information about the endoscope and communicates this information to the
video system center CV-160. For more details, refer to the instruction
manual of the CV-160.
6. UP/DOWN angulation control knob
When this knob is turned in the “ U” direction, the bending section moves
UP; when the knob is turned in the “D ” direction, the bending section
moves DOWN.
7. UP/DOWN angulation lock
Moving this lock in the “F ” direction frees angulation. Moving the lock in
the opposite direction locks the bending section at any desired position.
8. Suction valve (MH-443)
This valve is depressed to activate suction. The valve is used to remove any
fluid, debris, flatus or air from the patient.
9. Air/water valve (MH-438)
The hole in this valve is covered to insufflate air and the valve is depressed
to feed water for lens washing. It also can be used to feed air to remove any
fluid or debris adhering to the objective lens.
10. Instrument channel port
The instrument channel port functions as:
− channel for the insertion of endo-therapy accessories
− suction channel
− fluid feed channel (from a syringe via the biopsy valve)
Chapter 2 Instrument Nomenclature and Specifications
13
EVIS EXERA TJF TYPE 160VR OPERATION MANUAL
11. Insertion tube limit mark
This mark shows the maximum point to which the endoscope may be
inserted into the patient’s body.
12. Forceps elevator
The elevator moves endo-therapy accessories when the elevator control
lever is operated. In addition, the forceps elevator is used for assistance of
the fixation function of the guidewire while inserting/withdrawing the wire
guided type endo-therapy accessory.
13. Bending section
This section moves the distal end of the endoscope when the UP/DOWN
and RIGHT/LEFT angulation control knobs are operated.
14. Remote switches 1 to 4
The functions of remote switches 1 to 4 can be selected on the video system
center. When selecting the functions, also refer to the instruction manual for
the video system center.
15. Elevator channel plug
This plug is used for connection of the washing tube to clean and disinfect
the elevator channel.
16. Color code (orange)
This code is used to quickly determine the compatibility of endo-therapy
accessories. The endoscope can be used with endo-therapy accessories
that have the same color code.
17. RIGHT/LEFT angulation lock
Turning this lock in the “F ” direction frees angulation. Turning the lock in
the opposite direction locks the bending section at any desired position.
18. RIGHT/LEFT angulation control knob
When this knob is turned in the “R ” direction, the bending section moves
RIGHT; when the knob is turned in the “ L” direction, the bending section
moves LEFT.
19. Elevator control lever
When this lever is moved in the “ U” direction, the forceps elevator is
raised. When the lever is turned in the opposite direction, the forceps
elevator is lowered.
14
Chapter 2 Instrument Nomenclature and Specifications
EVIS EXERA TJF TYPE 160VR OPERATION MANUAL
2.3 Specifications
Environment
Operating
environment
Ambient temperature 10 – 40°C (50 – 104°F)
Relative humidity 30 – 85%
Atmospheric pressure 700 – 1060 hPa
(0.7 – 1.1 kgf/cm
2
)
(10.2 – 15.4 psia)
Transportation and
storage
environment
Ambient temperature –47 to 70°C (–52.6 to 158°F)
Relative humidity 10 – 95%
Atmospheric pressure 700 – 1060 hPa
(0.7 – 1.1 kgf/cm
2
)
(10.2 – 15.4 psia)
Chapter 2 Instrument Nomenclature and Specifications
15
EVIS EXERA TJF TYPE 160VR OPERATION MANUAL
Specifications
Endoscope functions
Model TJF-160VR
Optical system Field of view 100°
Direction of view Backward
Sideviewing 5°
Depth of field 5 – 60 mm
Insertion tube Distal end outer
diameter
ø13.5mm
Distal end enlarged 1. Air/water nozzle
2. Objective lens
3. Light guide lens
4. Instrument channel outlet
5. Forceps elevator
6. Guidewire-locking groove
7. Elevator wire
8. Hook
9. White ring
Insertion tube outer
diameter
ø11.3mm
Working length 1240 mm
Instrument channel Channel inner
diameter
ø4.2mm
Minimum visible
distance
10 mm
Direction from which
endo-therapy
accessories enter
and exit the
endoscopic image
UP
LEFT
RIGHT
DOWN
8.
3.
2.
1.
9.
4.
7.
5.
6.
16
Chapter 2 Instrument Nomenclature and Specifications
EVIS EXERA TJF TYPE 160VR OPERATION MANUAL
Air flow rate
25 cm
3
/s
Note: Standard when CLV-160 (high
air pressure) is used.
Bending section Angulation range UP 120°, DOWN 90°
RIGHT 110°, LEFT 90°
Total length 1550 mm
Medical Device
Directive
This device complies with the
requirements of Directive 93/42/EEC
concerning medical devices.
Classification: Class ΙΙ a
EMC Applied standard;
IEC 60601-1-2: 2001
This instrument complies with the
standards listed in the left column.
CISPR 11 of emission:
Group 1, Class B
This instrument complies with the
EMC standard for medical electrical
equipment; edition 2 (IEC 60601-1-2:
2001). However, when connecting to
an instrument that complies with the
EMC standard for medical electrical
equipment; edition 1 (IEC 60601-1-2:
1993), the whole system complies
with edition 1.
Year of manufacture
The last digit of the year of
manufacture is the second digit of the
serial number.
Degree of protection
against electric
shock
TYPE BF applied part
2412345
Chapter 3 Preparation and Inspection
17
EVIS EXERA TJF TYPE 160VR OPERATION MANUAL
Chapter 3 Preparation and Inspection
Before each case, prepare and inspect this instrument as instructed below.
Inspect other equipment to be used with this instrument as instructed in their
respective instruction manuals. If the irregularities are suspected after
inspection, follow the instructions given in Chapter 5, “Troubleshooting”.
If this instrument malfunctions, do not use it. Return it to Olympus for repair as
described in Section 5.3, “Returning the endoscope for repair”.
• Using an endoscope that is not functioning properly may
compromise patient or operator safety and may result in
more severe equipment damage.
• This instrument was not cleaned, disinfected or sterilized
before shipment. Before using this instrument for the first
time, reprocess it according to the instructions given in the
endoscope’s companion manual, the “REPROCESSING
MANUAL” whose cover lists the model of your endoscope.
18
Chapter 3 Preparation and Inspection
EVIS EXERA TJF TYPE 160VR OPERATION MANUAL
3.1 Preparation of the equipment
Prepare the equipment shown in Figure 3.1 (for compatibility, see the “System
chart” in the Appendix) and personal protective equipment, such as eye wear,
face mask, moisture-resistant clothing and chemical-resistant gloves, before
each use. Refer to the respective instruction manuals for each piece of
equipment.
Figure 3.1
• Paper towels • Trays • Lint-free cloths • Personal protective equipment
Video monitor
Video system center
Light source
Water container
Suction pump
Endoscope
Endo-therapy accessories Mouthpiece Distal cover
Chapter 3 Preparation and Inspection
19
EVIS EXERA TJF TYPE 160VR OPERATION MANUAL
3.2 Inspection of the endoscope
Clean and disinfect or sterilize the endoscope as described in the
“REPROCESSING MANUAL” whose cover lists the model of your endoscope.
Then remove the water-resistant cap from the endoscope connector.
Inspection of the endoscope
1. Inspect the control section and the endoscope connector for excessive
scratching, deformation, loose parts or other irregularities.
2. Inspect the boot and the insertion tube near the boot for bends, twists or
other irregularities.
3. Inspect the external surface of the entire insertion tube including the
bending section and the distal end for dents, bulges, swelling, scratching,
holes, sagging, transformation, bends, adhesion of foreign bodies, dropout
of parts, any protruding objects or other irregularities.
4. Holding the insertion tube gently with one hand, carefully run the fingertips
over the entire length of the insertion tube in both directions (see Figure
3.2). Confirm that no object or protrusion of metallic wire around the
insertion tube is stopping the hand. Also confirm that the insertion tube is
not abnormally rigid.
Figure 3.2
20
Chapter 3 Preparation and Inspection
EVIS EXERA TJF TYPE 160VR OPERATION MANUAL
5. Using both hands, bend the insertion tube of the endoscope into a
semicircle. Then, moving your hands as shown by the arrows, confirm that
the entire insertion tube can be smoothly bent to form a semicircle and that
the insertion tube is sufficiently pliable (see Figure 3.3).
Figure 3.3
6. Gently hold the midpoint of the bending section and a point 20 cm from the
distal end. Push and pull gently to confirm that the junction between the
bending section and the insertion tube is not loose.
7. Inspect the objective lens and light guide lens at the distal end of the
endoscope’s insertion tube for scratching, cracks, stains, gaps around the
lens or other irregularities.
8. Inspect the air/water nozzle at the distal end of the endoscope’s insertion
tube for abnormal swelling, bulges, dents or other irregularities.
9. Inspect the guidewire locking groove of the forceps elevator for stain.
Chapter 3 Preparation and Inspection
21
EVIS EXERA TJF TYPE 160VR OPERATION MANUAL
Inspection of the bending mechanisms
Perform the following inspections while the bending section is straight.
If the movement of the UP/DOWN angulation lock,
RIGHT/LEFT angulation lock and their angulation control
knobs are loose and/or not smooth, or the bending section
does not angulate smoothly, the bending mechanism may be
abnormal. In this case, do not use the endoscope because it
may be impossible to straighten the bending section during
an examination.
Inspection for smooth operation
1. Confirm that both the UP/DOWN and RIGHT/LEFT angulation locks move
all the way in the “F ” direction.
2. Turn the UP/DOWN and RIGHT/LEFT angulation control knobs slowly in
each direction until they stop, and return to their respective neutral
positions. Confirm that the bending section angulates smoothly and
correctly, and confirm that maximum angulation can be achieved and return
the bending section to its respective neutral positions.
3. When the UP/DOWN and RIGHT/LEFT angulation control knobs are turned
to their respective neutral positions as shown in Figure 3.4, confirm that the
bending section returns smoothly to an approximately straight condition.
Figure 3.4
22
Chapter 3 Preparation and Inspection
EVIS EXERA TJF TYPE 160VR OPERATION MANUAL
Inspection of the UP/DOWN angulation mechanism
1. Move the UP/DOWN angulation lock all the way in the opposite direction of
the “F ” mark. Then turn the UP/DOWN angulation control knob in the
“ U” or the “D ” direction until it stops.
2. Confirm that the angle of the bending section is roughly stabilized when the
UP/DOWN angulation control knob is released.
3. Confirm that the bending section straightens out when the UP/DOWN
angulation lock is moved all the way in the “F ” direction and the
UP/DOWN angulation control knob is released.
Inspection of the RIGHT/LEFT angulation mechanism
1. Turn the RIGHT/LEFT angulation lock all the way in the opposite direction of
the “F ” mark. Then turn the RIGHT/LEFT angulation control knob in the
“R ” or the “ L” direction until it stops.
2. Confirm that the angle of the bending section is roughly stabilized when the
RIGHT/LEFT angulation control knob is released.
3. Confirm that the bending section straightens out when the RIGHT/LEFT
angulation lock is turned in the “F ” direction and the RIGHT/LEFT
angulation control knob is released.
Inspection of the forceps elevator mechanism
Perform the following inspections while the bending section is straight.
Inspection for smooth operation
1. Move the elevator control lever slowly all the way in the opposite direction of
the “ U” direction. Visually confirm that the portion of the elevator wire
extending from the distal end of the insertion tube is not broken or bent (see
Figure 3.5).
2. While observing the forceps elevator at the distal end of the insertion tube,
slowly move the elevator control lever all the way in the “ U” direction.
Confirm that the lever can be operated smoothly and that the forceps
elevator is raised smoothly. Also confirm that the forceps elevator remains
stationary when pushed from behind while holding the elevator control lever
stationary (see Figure 3.5).
Chapter 3 Preparation and Inspection
23
EVIS EXERA TJF TYPE 160VR OPERATION MANUAL
3. Move the elevator control lever slowly all the way in the opposite direction of
the “ U” direction. Confirm that the lever can be operated smoothly and
that the forceps elevator is lowered smoothly (see Figure 3.5).
Figure 3.5
3.3 Preparation and inspection of accessories
Clean and disinfect or sterilize the air/water valve, suction valve, biopsy valve
and distal cover as described in the endoscope’s companion reprocessing
manual.
Inspection of the air/water and suction valves
Confirm that the top hole of the air/water valve is not blocked
(see Figure 3.6). If the hole is blocked, air is fed continuously
and patient pain, bleeding and/or perforation can result.
Forceps elevator
Elevator control
lever
Elevator wire
Loading...