Welch Allyn VLX-20 User manual
2
LAMP
IGNITION
STANDBY
LAMP
SERVICE
POWER
AIR
VideoPath
®
VLX-20
Light Source
Operating
Manual
Light Source Menu
Service Manual
Thank you for purchasing the Welch Allyn VideoPath VLX-20 Light
Source. 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
VLX-20 Light Source. This device serves as a light and air/water source
for the Welch Allyn VideoPath System and can be used with any compatible Welch Allyn videoscope.
IMPORTANT: The material outlined in this manual should be reviewed
and understood prior to operation of the equipment.
CAUTION: Federal Law restricts this device to sale by/to or on the order
of a physician or other appropriately licensed medical professional.
WARNING: The user of this equipment should be thoroughly trained
in the medical procedures appropriate to the instrumentation.
Furthermore, time should be taken to read and understand these
instructions before performing any procedures. Instructions for
other equipment used in conjunction (e.g., suction machines, electrosurgery generators) should also be read and understood. Failure
to do so may result in injury to the patient and/or damage to the
instrument.
The CE mark on this device indicates it has been tested to and conforms
with the provisions noted within the 93/42/EEC Medical Devices Directive.
Authorized European Representative Address:
European Regulatory Manager
Welch Allyn, Ltd.
Kells Road, Navan,
County Meath,
Republic of Ireland
Tel.: 353-46-79060
Fax: 353-46-27128
Table of Contents
Conventions
General Precautions..........................................................................................2
Symbols.............................................................................................................3
Specifications
....................................................................................................4
Components
.......................................................................................................5
VLX-20 Light Source .........................................................................................5
Optional Accessories.........................................................................................5
Nomenclature
Light Source Front Panel...................................................................................6
Light Source Bottom View.................................................................................7
Water Bottle/Cleaning Bottle .............................................................................7
Light Source Back View.....................................................................................8
Monitor..........................................................................................................9-10
Connection Diagrams
....................................................................................11
Preparation For Use
General Precautions........................................................................................12
Setting Up the VLX-20 Light Source...............................................................13
Connecting the VideoEndoscope and Water Bottle...................................13-14
Inspection
Powering Up the Light Source.........................................................................14
Lamp Ignition...................................................................................................15
Inspection of Illumination ............................................................................15-16
Inspection of Endoscope Control Buttons.......................................................16
Inspection of Air/Water Feed...........................................................................16
Operation
Power Switch...................................................................................................17
Lamp Ignition...................................................................................................17
Illumination Brightness ....................................................................................17
Air Pump .........................................................................................................17
Video Printer....................................................................................................18
Electrosurgery..................................................................................................18
Maintenance and Storage
After Each Procedure......................................................................................19
Water Bottle Cleaning......................................................................................19
Enzymatic Solutions....................................................................................19
Water Bottle Sterilization.................................................................................20
ETO Sterilization..............................................................................................20
Cold Sterilization..............................................................................................21
Sterilizing/Disinfecting Solutions......................................................................21
Bottle Storage..................................................................................................21
Replacing Lamps........................................................................................22-23
Light Source Storage .......................................................................................24
Troubleshooting
.........................................................................................25-26
VLX-20 Light Source 1
2 VideoPath
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.
NOTE:
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.
General Precautions
• For safety, this light source should only be coupled to a grounded 100-240V AC outlet.
• The light source should not be operated in the presence of flammable or explosive
gases or chemicals or installed in areas where these materials are commonly utilized.
• To avoid overheating, the light source should be positioned on a hard, level surface and
the back of the light source should not be positioned closer than 6" to any wall.
• Keep all liquids away from electrical equipment to avoid the possibility of operator shock
and instrument damage.
• Occasionally inspect the power cord for signs of cuts, abrasions or dents.
• The light source should never be stored or operated in areas where it could get wet or
exposed to any environmental conditions such as extreme temperature, humidity, direct
sunlight, dust, etc.
• All service to the light source must be performed by Welch Allyn or an authorized
repair center.
• Light source use should adhere to the operating conditions found in this manual.
Otherwise, instrument damage may occur and/or operator/patient safety compromised.
• High frequency surgical equipment used with the endoscope must comply with the IEC
601-2-2, Particular Requirements for the Safety of High Frequency Surgical Equipment.
NOTE:
This device complies with current required standards for electromagnetic interference and should not present problems to other equipment or be affected by other devices. As a precaution, avoid using this
device in close proximity to other equipment.
VLX-20 Light Source 3
Conventions
(Continued)
Symbols
Off: (Power: disconnects from the mains)
On: (Power: connects to the mains)
Off: (Power for air switch)
On: (Power for air switch)
Attention: Consult user’s manual for additional information
Dangerous voltage: Electric shock hazard due to high internal voltage.
There are no user serviceable parts inside the light source.
Protective earth (ground)
Risk of Explosion: Possible risk of explosion hazard if used in presence
of flammable anesthetics.
Caution High Temperatures
Warning: Risk of fire, replace fuses as marked
Caution: High Intensity Light
Equipotentiality
POWER
POWER
AIR
AIR
4 VideoPath
Specifications
Item Specification Technical Data
Power Requirements Voltage 100-240VAC
Frequency 50/60Hz
Current 2.0 Amps Max.
Operating Mode Continuous
Dimensions H x W x D 7 x 17 x16-1/2
(18 x 43 x 42cm)
Weight 15.0 lbs. (6.8 kg)
Operating Environment Ambient Temperature +10° C (50° F) to
+40°C (104° F)
Relative Humidity 30-75%
Atmospheric Pressure 700 hPa to 1060 hPa
Transport/Storage Ambient Temperature -20° C to +49° C
Relative Humidity 95% Max.
Atmospheric Pressure 700hPa to 1060 hPa
Illumination Lamp Type Metal Halide Arc
Lamp Life (average) 750 hrs @ 1 hr per start
Brightness Adjustment Automatic Shutter
Cooling Method Forced Air
Air Feeding Pump Type Linear Motor, Free Piston
Capacity 6.5 PSIG Maximum
Flow Rate .177 c.f.m. @ 2.84 PSIG
Control Power switch activated
Water Feed System Water Compression Pressurized by pumped air
Watter Bottle Capacity 260 ml
Compatible Endoscopes Welch Allyn Color CCD only
VideoEndoscopes
Other Manufacturer’s All models with use
Fiberscopes of light source adapter
module
Color System Color mosaic CCD
Video Outputs Dual Composite (NTSC)
Dual S-Video
Output Devices VCR
Monitor
Thermal or Video Printer
Compliance Designed in Accordance UL 2601-1, IEC 60601-2-18,
IEC 60601-1, CSA C22.2
No. 601.1, CE
Degree of explosion proofing Use in potentially flammable
surroundings prohibited
Classification Electro medical equipment Class I Equipment
Degree of protection against Use on heart is prohibited
electrical shock
Fuse T2.0A-250V
Lamp Welch Allyn Part No. 04060 Lamp Voltage 60 Volts
Components
VLX-20 Light Source Includes:
45500 Light Source
45510 Water Bottle
761076-0 Power Cord
45512 S-Video Cable
45520 Cleaning/Disinfection Bottle
Optional Accessories
04060 Lamp Replacement Assembly
65158 RS-232 Communication Cable
45513 NTSC Composite Video Cable
33915 Electrosurgical Ground Kit
VLX-20 Light Source 5
POWER AIR
!
STANDBY
PICTURE
BRIGHTNESS
LAMP
SERVICE
LAMP
IGNITION
2
6 VideoPath
Nomenclature
Light Source Front Panel
Front Panel
Name
Function
1. Main Power Switch Primary power control for the light source.
If not activated, other controls will not function.
2. Air Pump Switch Activates flow of air at air output port in
endoscope connector port.
3. Lamp Ignition Ignites and activates the lamps.
4. Lamp Standby Indicator When LED blinks, lamps cannot be ignited.
When LED remains on, lamps have warmed
up/cooled down and can be ignited.
5. Picture Brightness Control Pressing up or down arrows adjusts image on
monitor to desired brightness level (level indicated
by illuminated green LED)
6. Endoscope Connector Port Accepts endoscope connector terminal to transmit
light and electrical signals through the endoscope.
7. Water Bottle Water bottle couples to endoscope connector
terminal’s air and water input ports and light source
air output port.
8. Air Output Port Couples to and pressurizes the water bottle which
provides air and water to the endoscope.
POWER AIR
!
STANDBY
LAMP
IGNITION
LAMP
SERVICE
PICTURE
BRIGHTNESS
2
1. Main
Power Switch
2. Air Pump Switch
3. Lamp Ignition
4. Lamp Standby
Indicator
7. Water Bottle
5. Picture Brightness
Control
8. Air Output Port
6. Endoscope
Connector Port
VLX-20 Light Source 7
Nomenclature
(Continued)
Light Source Bottom View
Light Source Bottom View
Name Function
9. Lamp Access Door Opens for lamp replacement.
(Note: If door is not properly closed, interlock power
switch will deactivate and the unit will not power up.)
10. Ventilation Holes Allows air to enter unit to cool internal components.
Water Bottle/Cleaning Bottle
Name Function
11. Air Input Connector Couples to light source
air output port.
12. Air Output Connector Couples to endoscope
air input port.
13. Water Output Connector Couples to endoscope
water input port.
14. Fill Line Indicates maximum water level
to which bottle should be
filled for normal use.
Water Bottle
NOTE:
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 bottle can be easily identified via the red CAUTION
label on the front of the bottle.
14.Fill Line
11. Air Input
Connector
12.Air Output
Connector
13.Water
Output
Connector
9. Lamp
Access Door
10.Ventilation Holes
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