SOMNI 3 Manuale utente
VETERINARY ANESTHETIC
VAPORIZER OPERATIONS MANUAL
SOMNI 3
SOMNI PRODUCT MANUAL
TABLE OF CONTENTS
User Responsibility
Warnings and Cautions
Principles of Operation
Examination and
Preparation For Use
Installation
Operating Instructions
Filling Instructions
Funnel Fill
Draining Instructions
Funnel Fill
Specications
Warranty and Service
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USER RESPONSIBILITY
The SOMNI 3 is a precision medical vaporizer designed for Veterinary
Use Only. This vaporizer was designed to mix the vapors of specied
liquid anesthetic gas agents with anesthetic delivery gases. The vaporizer
will continue to provide reliable performance only if the manufacturer’s
operating and maintenance instructions are followed. The vaporizer,
as with any mechanical medical device, requires periodic preventative
maintenance and calibration. Any components, which become worn,
distorted, or contaminated should be replaced by a factory authorized
service center. A vaporizer that requires service should not be used until
it has been accurately tested and veried by a factory authorized service
center. Field-testing of vaporizer output using portable test equipment,
while valuable, is not a substitute for factory authorized preventative
maintenance. Factory service and calibration is recommended every
two years, eld testing is recommended annually at minimum. The
user assumes full responsibility and liability of any use of the vaporizer.
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WARNINGS AND CAUTIONS
• This vaporizer is intended for Veterinary Use Only
• Do not ll the vaporizer with any agent other than the one specied on the front
label. Vaporizers are specically designed dependent on agent type. Therefore,
any other agent used can prove to be dangerous to a patient.
• Do not use this vaporizer until it is mounted upright, vertical and out of operation
for a minimum of (1) hour aer initial lling to allow for proper initial wick
absorption. Failure to allow wicking time may result with inaccurate output
at the selected dial setting.
• Do not carry vaporizer by control dial. Handle and transport vaporizer with care
by grasping the vaporizer rmly with two hands.
• Do not modify, tamper, or disassemble the vaporizer. There is a probable
danger of damaging the vaporizer and altering the calibration accuracy.
• Do not put vaporizer into any liquid, including water.
• Do not attempt to sterilize vaporizer.
• Do not drain anesthetic agent into any container other than a properly
marked container.
• Do not tilt or tip vaporizer beyond a 45-degree angle while lled with liquid
agent. If unit is accidentally tipped on its side, please call the manufacturer
for specic instructions.
• Do not have vaporizer serviced by anyone other than a SOMNI Scientic
authorized service center.
• Do not operate vaporizer prior to leak testing the anesthetic equipment,
ensuring secure connections to prevent unnecessary anesthetic exposure
• Turn the vaporizer OFF when not in use
• It is recommended that the vaporizer is kept upright at all times, aer installation.
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PRINCIPLES OF OPERATION
VAPORIZER SUMP AND VALVE ASSEMBLY
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This anesthetic vaporizer is comprised of a vaporizing chamber and duct
system (located within the sump cover), rotary valve and concentration dial. The
concentration dial is connected to the rotary valve underneath. The rotary valve
contains ducts and a vapor control channel. With the concentration dial in the
o position, the rotary valve links the inlet and outlet of the vaporizer, allowing
carrier gas to pass through. When the concentration dial is turned on, the carrier
gas is split in, a stream and a stream owing into the vaporizing chamber.
The vaporizing chamber contains two concentric wicks that are in contact
with the liquid anesthetic agent. The wicks ensure the vapor is maintained at sat-
uration of concentration in the gas that leaves the vaporizing chamber. The ow
through the vaporizing chamber is controlled by the concentration dial.
Temperature compensation occurs automatically utilizing a bi-metallic
strip to keep the output of the vaporizer constant during conditions of
changing temperature.
Concentration Setting Dial
Filler
EXAMINATION AND PREPARATION FOR USE
1. Examine shipping carton for signs of external damage.
2. Remove contents from carton and inspect for visible damage
such as dents or missing parts.
3. If damage or missing parts are discovered or suspected, notify
customer service immediately at 1-877-637-3625.
4. Check that control dial operates freely.
5. Conrm the drain valve is completely closed .
6. Remove the mounting hardware (vaporizer spacer and 3-6mm bolts with
washers) and drain tube (*not shown) from package.
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INSTALLATION
The standard mounting system requires bolting of the vaporizer directly
to a rigid back bar of an anesthetic gas machine. The vaporizer should
always be mounted between the gas ow-metering unit and the
breathing circuit-always upstream of any absorber or humidier.
Ensure that emergency oxygen supplies or oxygen ush enter the
gas circuits downstream of the vaporizer.
The SOMNI 3 is supplied with mounting hardware consisting
of a spacer and 3-6mm bolts. While supporting the weight of
the vaporizer, install the spacer between the vaporizer and the
mounting surface and secure the vaporizer using the mounting
bolts provided. Ensure the bolts are tightly secured, but be sure
not to over-tighten.
Connect the 23mm inlet and outlet adapters to the corresponding
outlets on the cagemount. Twist and rmly push on for a secure,
leak-free connection. It may be necessary to connect the 23mm
adapters prior to mounting the vaporizer.
Complete a 10 second pressure test to conrm a leak free
installation. Instructions on Page 10.
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B.
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INSTALLATION
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• The direction of gas ow must be from “inlet to outlet”
(i.e. from le to right) when viewing the vaporizer from
the front.
• Ensure the liquid (which may accumulate in the
breathing circuit or the CO2 absorber) can not enter
the vaporizer while:
The vaporizer is tted with standard 23 mm inlet and
outlet taper connections.
IMPORTANT! Vaporizer Spacer Placement
-in use
-during disassembly of the circuit
-when the machine is not in use
OPERATING INSTRUCTIONS
1. Observe all instructions and warnings on the vaporizer
2. Fill only with agent indicated with vaporizer in OFF position
3. Perform a leak test prior to rst use (See instructions
below- “10 Second Test”)
4. Depress locking button to turn dial from OFF position
5. Turn dial counterclockwise to desired concentration
6. Then turn control dial counter clockwise to desired concentration
7. Turn vaporizer to “OFF” position when not in use
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10 SECOND PRESSURE TEST
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Before each use, “leak test” the anesthesia system and ensure the waste gases have a
patent way through the evacuation system.
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Close the pop-o valve and create a tight seal of the patient circuit
with your hand.
Push the oxygen flush button, or turn on oxygen flow meter, until the
bag is fully distended and/or manometer reads 30-40 cm of H20
pressure.
Release the oxygen flush button and/or ensure the oxygen flowmeter
is o; float is at the bottom of the tube. Observe the manometer (or
the bag if your machine does not have a manometer). The manometer
needle should remain steady. If the manometer needle drops, the bag
deflates, or if you hear a hissing sound, you have a leak.
Check hoses, bag, vaporizer inlet and outlet, any fittings or seals at the
top and/or bottom of your CO2 absorbent container for leaks (a soapy
water solution can be used for leak test). When the pressure remains
constant, with the oxygen turned o, your machine can be considered
leak-free on the low-pressure side.
Re-open the pop-o to your standard setting.
Squeeze the bag (with your hand still over the patient circuit) to ensure
the gases have a clear way out through your scavenging system.
Before each use, “leak test” the
machine, and also ensure that the waste
gases have a clear way through your
evacuation system.
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