Welch Allyn VS-100 User manual
VideoPath
®
VS-100
VideoSigmoidoscope
Operating
Manual
Endo Menu
Service Manual
Thank you for your purchase of a Welch Allyn Flexible
VideoSigmoidoscope.The operating and maintenance instructions
found in this manual should be followed to ensure many years of
reliable service. Please read these instructions thoroughly before
attempting to use your new Flexible VideoSigmoidoscope.
WARNING: The user of this equipment should be thoroughly trained in
the medical procedures appropriate to the equipment. Furthermore, time
should be taken to read and understand these instructions before performing any procedures. Instructions for other equipment used in conjunction with any VideoEndoscope (e.g., suction machines) should also be
read and understood. Failure to do so may result in injury to the patient
and/or damage to the instrument.
While this manual describes the recommended protocol for inspecting
and operating the equipment, it does not outline procedural techniques.
Only physicians trained and versed in flexible endoscopy should use this
equipment.
CAUTION: Federal (USA) law restricts this device to sale by/to or on the
order of a physician or other appropriately licensed medical professional.
Infection Control Note
This manual includes a current list of disinfecting and sterilizing solutions
and processes. However, since infection control procedures involve
complex and controversial issues and are constantly changing, it is recommended that the users of this equipment keep informed of the latest
information and regulations pertaining to infection control.
Table of Contents
Conventions .......................................................................................................2
Specifications.....................................................................................................2
Components.......................................................................................................3
Nomenclature and Function...........................................................................6
Flexible VideoSigmoidoscope............................................................................6
Light Source ......................................................................................................8
Water Bottle/Cleaning Bottle .............................................................................9
Preparation and Inspection for Use............................................................10
Prior to Initial Use ............................................................................................10
System Set-up .................................................................................................10
Physical System Inspection.............................................................................12
Operations ........................................................................................................15
Procedure.........................................................................................................15
Holding the Instrument....................................................................................16
Preparation Before Insertion of the VideoEndoscope......................................16
Insertion and Withdrawal.................................................................................17
Biopsy Passage................................................................................................18
Cleaning and Disinfection .............................................................................19
Endoscope Internal Schematic........................................................................20
Semi-Automated Cleaning Method...............................................................22
Cleaning at the Examination Room .............................................................22
Leakage T esting...........................................................................................24
Disinfection Procedure #1 (Using Tray)........................................................26
Disinfection Procedure #2 (Total Immersion) ..............................................27
Final Rinse...................................................................................................28
Manual Cleaning Method................................................................................28
Cleaning at the Examination Room .............................................................28
Leak T est Procedure....................................................................................30
Cleaning the Instrument..............................................................................32
Enzymatic Cleaning Solutions..........................................................................34
Cleaning of Accessories – Biopsy Forceps......................................................34
High-Level Disinfection....................................................................................35
Disinfecting Solutions..................................................................................35
Sterilization and Aeration.............................................................................36
Ethylene Oxide Gas Sterilization......................................................................36
Cold Sterilization..............................................................................................37
Other Sterilization Methods.............................................................................37
Accessory Sterilization.....................................................................................38
Accessory and Instrument Storage............................................................38
Servicing ...........................................................................................................39
Care and Maintenance Tips..........................................................................40
Troubleshooting...............................................................................................42
VS-100 Sigmoidoscope 1
Conventions
WARNING alerts the user to possible serious injury, death or other
adverse reaction associated with the use or misuse of the device.
CAUTION indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. It also alerts against unsafe
practices.
NO
TE provides supplemental information to the text and indicates a
potentially hazardous situation, which, if not avoided, may result
in property damage. Additionally, it highlights important information on the use of this equipment.
Specifications
Parameter Sigmoidoscope (30500)
Angle of View 145°
Depth of View 3-100mm
Tip Deflection Up: 180°
Down: 180°
Right: 160°
Left: 160°
Distal Rigid Diameter 213.6mm
Insertion T ube Diameter 212.8mm
Diameter of Accessory 22.8mm
Suction Channel
Insertion T ube 70cm
Working Length
Total Length 103cm
2 VideoPath
Components
Flexible VideoSigmoidoscope Set Includes:
30500 Flexible VideoSigmoidoscope
31020 Channel Cleaning Brush (2 each)
31021 Valve Reprocessing Caps
33930 Biopsy Seals (10 each)
31023 60cc Syringes (2 each)
33924 Air/Water Nozzle Cleaning Brush
31024 Air/Water Valve “O” Ring Kit
31025 Suction Valve “O” Ring Kit
31027 Air/Water Reprocessing Adapter
31029 Shipping/ET O Vent Cap
31030 Distal Reprocessing Cap (6 each)
VS-100 Sigmoidoscope 3
Components (continued)
31038 Suction Reprocessing Adapter
31031 Valve Well Cleaning Brush
31037 Leakage T ester
33918 Valve Lubricant
31028 Soaking Cap
Optional Accessor ies (not included in set):
31032 Air/Water V alv e
31033 Suction Valv e
31035 Instrument Hanger
33902 Disinfection Tray
33950 Biopsy Forceps w/Window and Needle (Sigmoid)
04060 Lamp Replacement Assembly
4 VideoPath
Components (continued)
VLX-10 Light Source Includes:
40500 Light Source
45510 Water Bottle
761076-0 Power Cord
45512 S-VHS Video Cable
45520 Cleaning Bottle
VS-100 Sigmoidoscope 5
Nomenclature and Function
Flexible VideoSigmoidoscope
VideoSigmoidoscope
6 VideoPath
CONTROL BODY
INSERTION TUBE
BENDING SECTION
DIST AL TIP
ENDOSCOPE CONNECTOR
TERMINAL
Suction Valv e
Air/Water V alv e
Biopsy Seal
Biopsy Port
Up/Down Deflection
Control Knob
Air
Nozzle
Light
Guides
Biopsy/Suction
Channel
Objective Lens
Water
Nozzle
Suction Port
Side View
Rear/T op V iew
Front/Bot tom
View
Soaking Cap
ET O/Shipping Vent
Electrical Contacts
Air/Water
Input Ports
Suction Port
Right/Left
Deflection
Control Knob
Light Guide
Light
Guides
Nomenclature and Function (continued)
Flexible VideoSigmoidoscope
CONTROL BODY
Suction V alve – Depress to aspirate fluids or air through the biopsy/suction channel.
Air/Wat er V alve – Covering the vent hole in the top of the valve delivers pressurized air
through the air nozzle in the distal tip. Covering the hole and fully depressing the valve
delivers pressurized water through the water nozzle in the distal tip.
Biopsy Seal – Allows passage of accessories while preventing escape of fluids and air.
Biopsy Port – For introduction of biopsy forceps and other accessories.
Up/Down Deflection Control Knob – Rotation of the knob toward the operator will
deflect the bending section up. Rotation away will deflect the bending section down.
Right/Left Deflection Control Knob – Rotation of the knob toward the operator will
deflect bending section left. Rotation away will deflect the bending section right.
INSERTION TUBE – Cont ains random light guides, biopsy/suction channel, air and water
lines, steering cables and wires from CCD (Charge Coupled Device).
BENDING SECTION – Contains articulating vertebra that allows deflection in two planes. DIST AL TIP
Air Nozzle – Directs pressurized air across objective lens to remove moisture and to
distend cavity being examined.
Light Guides – Provide illumination of examination area.
Biopsy/Suction Channel – Opening from which biopsy forceps and other accessories
exit and where fluid/debris is aspirated when the suction valve is depressed.
Objective Lens – Contains the lens system that provides depth of field and field of view.
Water Nozzle – Directs pressurized water, via the water nozzle, across objective lens to
remove debris.
ENDOSCOPE CONNECTOR TERMINAL
Air/Water Input Ports – Couples with the air/water bottle to allow the introduction of
pressurized air and water to the instrument.
Suction Port – Port where the auxiliary suction machine hose is attached to the
instrument.
Soaking Cap – Covers electrical contacts during immersion (cleaning/disinfection).
Electrical Contacts – Provides power to the endoscope and provides pathway for video signal input into the light source.
ETO/Shipping V ent – Vent where ETO/Shipping Vent Cap couples to equalize instrument’s
internal pressure with room pressure during shipping and ETO gas sterilization.
Light Guides – Couple to lamps in light source to provide illumination.
VS-100 Sigmoidoscope 7
Nomenclature and Function (continued)
Light Source
Front Panel
Main Power Switch – Primary power control for the light source. If not activated, other
controls will not function.
Air Pump Switch – Activates flow of air at air output connector in light source’s endo-
scope connector port.
Lamp Ignition – Activates the lamps when switch is depressed and main power switch
is on.
Lamp Standby Indicator – When LED blinks, lamps cannot be ignited even if lamp igni-
tion switch is depressed.
Endoscope Connector Port – Accepts VideoEndoscope connector terminal to transmit
light, electrical signals, water, and air through the endoscope.
Water Bottle – Couples to endoscope connector terminal’s air and water input ports and
light source’s air output port.
Air Output Port – Couples to water bottle to provide air and water to the endoscope.
Picture Brightness Control – Pressing up or down arrows adjusts image on monitor to
desired average brightness level (level indicated by illuminated green LED).
8 VideoPath
Main
Power
Switch
Air
Pump
Switch
Lamp
Ignition
Lamp
Standby
Indicator
Endoscope
Connector
Port
Air Output
Port
Picture
Brightness
Control
Water
Bottle
Composite
Nomenclature and Function (continued)
Back View
Power Supply Cord Receptacle – Couples with power cord which should be plugged into
an 115V hospital grade outlet.
S-Video – Outputs S-Video or Y/C, 4 pin DIN.
Composite – Outputs NTSC (composite video), BNC connector.
Water Bottle/Cleaning Bottle
Water Bottle
Air Input Terminal – Couples to light source air output port.
Air Output Terminal – Couples to VideoEndoscope air input port.
Water Output Terminal – Couples to VideoEndoscope water input port.
Fill Line – Indicates maximum water level bottle should be filled to.
NO
TE: The Cleaning Bottle is identical to water bottle with the exception
that it allows fluid to be introduced into the air input port of the
endoscope. The cleaning bottle can be easily identified via the
red caution label on the front of the bottle.
VS-100 Sigmoidoscope 9
Fill Line
Air Input
Terminal
Air Output Terminal
Water Output Terminal
S-Video
Power Supply
Cord Receptacle
Fuse Drawer
Preparation and Inspection for Use
Prior to Initial Use
Before preparation or set up of the equipment, check all components received against
the list of components (see components section) to verify a complete set. If parts are
missing, please notify Welch Allyn. Review the nomenclature, set-up, operation, and
cleaning/disinfection sections to become familiar with the equipment.
Specifically, inspect:
Video Sigmoidoscope
Insertion T ube – for tears, cuts, dents, bubbles, bumps
Control Section – depress valves and test bending section deflection to assure smooth
rotation of controls.
Biopsy Port – pass cleaning brush through biopsy/suction channel to verify smooth passage
Leak T est – the watertight integrity of the instrument should be verified following the
procedures outlined on page 24.
Light Source
Cabinet – for any dents, scratches or other abnormalities
Water Bottle – for any cracks, leaks, etc.
System Set-up
NOTE: The instrument should be cleaned and disinfected prior to initial
use, following the steps starting on page 22 and 28.
1. Connect the power cord to the power cord receptacle on the back of the light source.
2. Plug the remaining end of the power cord into a properly grounded 110-120 volt AC
outlet.
3. Fill the water bottle to the fill line with clean, distilled water and replace the sealing cap.
10 VideoPath
Fill Line
Sealing Cap
Preparation and Inspection f or Use (continued)
4. Plug the endoscope connector terminal into the
endoscope connector port of the light source.
The endoscope connector terminal should fully
engage and “click” into place.
5. Plug the water bottle into the
recessed area on the front panel
of the light source. This will couple
the water bottle to the light
source’s air output port and the
VideoSigmoidoscope’s connector
terminal’s air/water input ports.
6. Activate the Power switch on the
front panel. The green Lamp
Ignition/Stand-By light will blink for
approximately 11 seconds. Once the
LED stops blinking, the lamps are
ready to be ignited.
7. Once the green Lamp Ignition/Standby light remains
lit, press the Lamp Ignition Switch. The lamps will
ignite and the Lamp Ignition/Standby light will go
out. The lamps require 11 seconds to warm up. This
length of time will be indicated by the center LED of
the Picture Brightness Indicator, which blinks until
the lamps reach full intensity. Once the Picture
Brightness Indicator remains constant, the lamps are
fully warmed up, and the system is ready for use.
NO
TE: If the Light Source is powered up without having the Video-
Sigmoidoscope attached, the lamp ignition Standby LED will
remain blinking and lamp ignition cannot occur.
WARNING: Once lamps have been lit, do not remove the instrument
from the light source without turning the main power switch off or
putting the lamps on Stand-By by pressing the Lamp Ignition switch. If
the
VideoSigmoidoscope is removed from the light source, avoid looking
directly into the intense light provided by the light source to prevent
damage to your eyes.
VS-100 Sigmoidoscope 11
Standby LED Light
Standby
LED
Center
LED of the
Picture
Brightness
Indicator
Preparation and Inspection f or Use (continued)
8. Activate the Air switch to verify functionality of the pump. Air should begin to flow immediately out of the top hole in the air/water valve on the control section of the instrument.
Physical System Inspection
Before inspecting the system, the VideoEndoscope should be tested to verify that it is watertight. Refer to the Leak Test procedures on page 24.
The following steps should be repeated prior to every procedure to verify that the system is
working properly. If any problem is encountered, immediately consult the troubleshooting
section of this manual or contact Welch Allyn Customer Service (1-800-535-6663) for assistance.
Insertion T ube, Umbilical T ube, and Bending Section
N
OTE: The insertion tube may have a slight curve when first removed
from the package due to product settling. This can be eliminated by
storing the instrument with the insertion tube in a straight position.
1. Inspect the insertion tube and bending section for tears, cuts, dents, bubbles, bumps or
other abnormalities on the surface.
2. Run your fingers carefully over the entire length of the insertion tube and bending section
to check for protruding braid.
3. Inspect the umbilical cord for outward indications of damage (e.g., dents, cuts).
CAUTION: To avoid harm to the patient and further damage to the equipment, Do Not use a VideoSigmoidoscope with outward signs of damage.
NO
TE: Make sure the distal end of the instrument is not damaged. The
distal end has an atraumatic non-removable tip. Do Not try to
remove the distal tip. Doing so will result in damage to the distal
portion of the instrument.
12 VideoPath
Preparation and Inspection f or Use (continued)
CAUTION: Do Not wind the insertion
tube into a tight radius. Serious
internal damage could result. Proper
storage procedures are outlined
on page 38.
Deflection Controls
1. Rotate the up/down and right/left deflection
control knobs to the limit in each direction.
The knobs should rotate without excess
friction or grinding.
NO
TE: Do Not attempt to rotate the deflection
knobs past their limits. This can result
in severe damage to the steering
mechanism.
CAUTION: Do Not deflect the bending
section of the VideoSigmoidoscope
by hand. This applies excess force
to the deflection mechanism and
may result in steering cable failure.
If the deflection controls do not
operate smoothly, there may be
internal damage. Do Not use the
VideoSigmoidoscope. Doing so will
result in injury to the patient or further
damage to the VideoSigmoidoscope.
Inspection of Light Guides and Optics
1. With the lamps on, hold the distal tip approximately
40mm from any surface.
2. Verify light is being emitted from both light guides.
VS-100 Sigmoidoscope 13
Do Not
Wind
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