Gaymar Medi-Therm II MTA6012CE User manual

P/N 12955000 Rev A 8/07
Operator's Manual [EN]
Manuel de l’opérateur [FR]
Manuale per l’operatore [IT]
Manual del operario [ES]
Manual de utilização [PT]
Bedienungsanleitung [DE]
Bedieningshandleiding [NL]
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Medi-ThermTM II
REF MTA6012CE

Medi-ThermTM II
Table of Contents
Section Description Page
1.0 Indications for Use.................................1
2.0 Safety Precautions ..................................1
3.0 Description..............................................2
4.0 Operator Control Panel.......................4
5.0 Start-up Procedure ................................6
6.0 Modes of Operations:
BLANKET CONTROL .........................8
PATIENT CONTROL............................9
MONITOR ONLY................................10
7.0 Shutdown Procedure...........................10
8.0 Safety Systems.......................................11
9.0 Troubleshooting....................................12
10.0 Care and Cleaning................................14
11.0 Blankets/Accessories ...........................16
12.0 Customer Training................................16
13.0 Warranty................................................16
14.0 Specifications.........................................17
Illustrations
Figure Description Page
1 Medi-Therm II System..........................3
2 Medi-Therm II Control Panel.............5
3 Float..........................................................6
4 Pinch Clamps..........................................6
5 Quick-disconnects ................................7
6 Clik-Tite Connector.............................7
7 Probe Check Well ...............................13
8 Probe Check Well ...............................15
Gaymar® and Clik-Tite® trademarks are registered in the U. S. Patent andTrademark Office.
Gaymar®, Clik-Tite®, and Medi-ThermTM are trademarks of Gaymar Industries, Inc.
© 1999. Gaymar Industries, Inc. All rights reserved.
Before you begin . . .
Receiving Inspection
Refer to the Medi-Therm II Service Manual for Receiving
Inspection and Check-out Procedures.
If you have any questions, contact your local dealer.
Dangerous voltage
Year of manufacture

Medi-ThermTM II
1.0 Indications for Use
For the prevention or treatment of hyperthermia/
hypothermia.
1.1 Contraindications
Patients with an elevation of cold agglutin levels (cold
agglutinemia) should not be placed on a cooling blanket.
In rare instances, the cold temperature of the cooling
blanket may lead to acrocyanosis and necrosis of distal
body structures (Talisman, R., et al. Surgery 123(5): 592-
595 (1998).
2.0 Safety Precautions
Read and understand this operating manual and all
precautions listed below prior to using the Medi-Therm II
Hyper/Hypothermia Machine.
• If the patient’s temperature is not responding or
does not reach the prescribed temperature in the
prescribed time or deviates from the prescribed
temperature range, notify the attending physician
promptly.Failuretonotifythephysician
promptlymayresultinseriousinjuryor
death.
• When performing the PROBE CHECK, use a
protective sheath on the probe. Failuretousea
sheathcouldresultincross-contamination.
• A physician’s order is required for setting blanket
temperature and for continued use of equipment.
At least every 20 minutes or as directed by
a physician, check patient’s temperature and
skin condition of areas in contact with blanket;
also, check blanket temperature. Pediatric,
temperature-sensitive, and operating room
patients should be checked more frequently.
Failuretomonitorpatientmayresult
inskindamageorinappropriatepatient
temperature.
•Avoid placing additional heat sources between the
patient and blanket.Skindamagemayresult.
• Use only Gaymar probes (see Accessories, page 16)
or probes having characteristics equivalent to
YSI 400 series probes in the Patient Probe jack. 
Useofotherprobescouldresultin
erroneouspatienttemperaturevalues.
• Prevent excessive and/or prolonged tissue
pressure and shearing forces, especially over
boney prominences.Skindamagemayresult.
•For grounding reliability, plug only into a properly
grounded outlet.
•Fill with distilled water only.Do not use alcohol.
Do not operate without water. Do not overfill.
Overllingmayresultinoverowwhenthe
waterintheblanketdrainsbackintothe
machine.
•Place a dry absorbent sheet between the patient
and the blanket when using all-vinyl blankets.
Moisturemayaccumulatewhichmayresult
inskindamage.
•The POWER LOSS INDICATOR battery may discharge
if the Medi-Therm II machine has not been used
for two months or more. Thebatterymaynot
becomerechargeduntilthemachinehas
operatedforfourhours.
•Keep the area between the patient and the blanket
dry.Excessivemoisturemayresultinskin
damage.
•Do not tip machine over without first draining the
water out and unplugging the power cord. Damage
tothemachineorelectricalshockcanresult.
• Use of thermally conductive materials (e.g., water
or gel) on a patient when the Medi-Therm II is
switched off may decrease the patient's body
temperature.
•Repairs should be performed only by qualified
medical service personnel in accordance with this
product's service manual.Otherwise,damageto
themachineorimpropertherapymayresult.
• All wire-lead, patient-connected transducer
assemblies are subject to reading error, local heating,
and possible damage from high-intensity sources of
RF energy. Inadequately grounded electrosurgical
equipment represents one such source, since
capacitively-coupled currents may seek alternate
paths to ground through probe cables and associated
instruments. Patientburnsmayresult.
If possible, remove the probe from patient contact
before activating the surgical unit or other RF
source. If probes must be used simultaneously with
electrosurgical apparatus, hazards can be reduced by
selecting a temperature monitoring point which is
remote from the expected RF current path to the
ground return pad.
Indications/Safety Precautions
1
WARNING
!
WARNING
!
CAUTION
!

Medi-ThermTM II
2
3.0 Description
The MTA6012CE provides a means of regulating patient
temperature by supplying temperature-controlled
water through a connector hose to a hyperthermia/
hypothermia blanket.The blanket provides an interface
for heating and cooling the patient. The machine controls
the blanket temperature to a prescribed set point.
To ensure safe operation of the Medi-Therm
machine, use only with Gaymar CE-labelled
accessories. See page 16 for a complete list.
The feedback for control purposes depends upon the
machine's operating mode.The machine may be operated
in one of three operating modes:
In BLANKET CONTROL mode, the operator sets the
desired blanket temperature. A temperature sensor
within the machine monitors the water temperature
and the machine heats or cools the water as required
to bring the blanket to the SET POINT temperature.
The patient temperature may be monitored by use of a
patient probe connected to the patient probe jack on the
front of the unit.
In PATIENT CONTROL mode, the Medi-Therm II machine
automatically regulates the patient's temperature to the
selected SET POINT. The machine constantly compares
actual patient temperature with the SET POINT value, and
automatically adjusts the blanket temperature so that the
desired patient temperature is achieved.
In MONITOR ONLY mode, the operator can monitor
patient temperature through the patient probe, without
providing therapy.
Hyperthermia/hypothermia blankets may be placed either
under or over the patient, depending upon the type of
procedure. Some applications may require a second
blanket in order to achieve additional or more rapid
heating or cooling. For these situations, a second blanket
may be connected to the Medi-Therm II machine.The
rate of patient heating or cooling may also be increased
by positioning half- and full-sized blankets so that greater
body surface is in contact with the blankets.
In the event of a power loss, a battery backup circuit will
light the POWER LOSS light and sound the audible alarm.
Upon restoring power, the mode of operation and the set
points will have to be reselected.
Description
NOTE: Refer to the MTA6012CE Medi-Therm II Service
Manual for information on maintenance/replacement of
the rechargeable battery.
The MTA6012CE Medi-Therm II Service Manual contains
circuit diagrams, functional test information, and
component parts lists.
CAUTION
!

Medi-ThermTM II
Water Fill Opening
Lift cover. Fill unit with
distilled water until green
band on float is fully visible
(p. 6)
Dual Blanket Connections
with Quick-disconnects
and Probe Check Well
Use the PROBE CHECK well
to verify the integrity of the
patient probe (p. 13).
Description
Figure 1—Medi-Therm II Hyper/Hypothermia System
3
ON/OFF Switch
(Circuit Breaker)
Controls power to
Medi-Therm II.
Patient Probe Jack
Accepts patient probe plug connecting
patient probe to machine (pp. 8, 10).
Use only Gaymar probes or equivalent
YSI 400 series probes.

Medi-ThermTM II
Operator Control Panel
4
MACHINESTATUS
HEAT indicates the machine is heating.
IN-TEMPindicates that the blanket or
patient temperature is at the desired
temperature setting.
COOLindicates the machine is cooling.
TESTLIGHTS flashes all indicator lights
and digital displays, while sounding an
audible alarm.
ALARMSILENCE temporarily silences
the CHECK FLOW, CHECK PATIENT PROBE,
FLASHING DISPLAY, and ADDWATER alarms
for 10 minutes.
ALERTS
CHECKFLOW indicates the flow of
water to the blanket has been restricted.
CHECKPATIENT indicates the patient
probe is sensing a temperature below 29°C
or above 40°C.
ADDWATER indicates the water
reservoir is filled to less than the
recommended level.
REMOVEFROMUSENOW indicates
the Medi-Therm II machine has shut down. 
Removethemachinefromuse.
FLASHINGDISPLAY indicates that
the blanket or patient temperature is not
being maintained within 0.5°C of the set
point temperature. It is accompanied by an
audible alarm.
POWERLOSSINDICATOR
lights when power is removed and
ON/OFF circuit breaker is ON.
[located on front of machine]
4.0 Operator Control Panel
See figure 2, page 5.

Medi-ThermTM II Operator Control Panel
Figure 2—Medi-Therm II Control Panel
5
SELECTMODE
BLANKETCONTROL—
Adjust SET POINT to control
blanket temperature.
(4°C to 41°C)
PATIENTCONTROL—
Connect patient probe, then
adjust SET POINT to control
patient temperature.
(30°C to 39°C)
MONITORONLY—
Connect patient probe,
then use to monitor patient
temperature. No therapy is
provided.
TEMPERATURE
BLANKETTEMPERATURE—
This display lights when either PATIENT
CONTROL or BLANKET CONTROL is
selected.
PATIENTTEMPERATURE—
As measured by the patient probe.
This display lights whenever a patient
probe is plugged in.
SETPOINTCHANGE—
Press the “” or “” button to select
machine set point.When selecting a
temperature outside the normothermic
range (36°C to 38°C), an audible alarm
will chime. Press and hold the “” or
“” button until the chime stops to
access the extended temperature range.
PATIENTPROBEJACK—
Insert only a Gaymar probe or an
equivalent YSI 400 series probe.
[located on front of machine]

Medi-ThermTM II
6
5.0 Start-up Procedure
The POWER LOSS INDICATOR battery may
discharge if the Medi-Therm II machine
has not been used for two months or more. 
Thebatterymaynotbecomerecharged
untilthemachinehasoperatedforfour
hours.
Perform the following start-up procedure each time the
Medi-Therm II system is used:
5.1 Check Water Level
Check to make sure water is at the proper level by
raising the cover on the water fill opening. Fill with
distilled water until the green band on the float is fully
visible (fig. 3).
Start-up Procedure
5.2 Close Pinch Clamps
Pinch clamps are provided on both the DBK35CE
Connector Hose and the blanket hoses to prevent water
spillage when blankets are changed (fig. 4).
Close the pinch clamps on the connector hose and
Hyper/Hypothermia blanket.
Figure 4—Pinch Clamps
Figure 3—Float, showing proper water level
green
band
• Donotoperatewithoutwater, since
damage to internal components may result.
• Donotoverll. Overfilling may result in
overflow because the water in the blanket
drains back into the machine when the machine
is turned off.
5.3 Attach Blanket
Check the surface of reusable blankets prior to
each use. If the blanket shows signs of cracking
or begins to leak, remove it from use and
replace the blanket.
Attach the Hyper/Hypothermia blanket to the
Medi-Therm II machine using a DBK35CE Connector
Hose (fig. 1, p. 3):
1. Attach one quick-disconnect fitting to the upper
machine connection and one to the lower (fig. 5,
p. 7). Push each retaining collar toward the cabinet
and insert the quick-disconnect fitting firmly.While
holding the fitting, allow the retaining collar to snap
back into position. Check to make sure the fitting is
fully engaged by tugging firmly on the hose.
CAUTION
!
CAUTION
!
CAUTION
!

Medi-ThermTM II Start-up Procedure
7
Figure 5—Quick-disconnects
Figure 6—Clik-Tite Connector
2. Attach the two Clik-Tite connectors (fig. 6 below)
on the connector hose to the blanket. Insert the
male fitting into the female.When fittings are fully
seated, snap the locking ring into place to assure a
positive lock.
3. Some applications may require a second blanket
using an additional DBK35CE Connector Hose in
order to achieve additional or more rapid heating
or cooling. For these situations, a second blanket
may be connected to the machine.The rate of
patient heating or cooling may also be increased by
positioning half- and full-size blankets so that greater
body surface is in contact with the blankets.
NOTE: When connecting a second blanket to the
Medi-Therm II machine, check the water level prior
to connecting the additional blanket (see Start-up
Procedure, pp. 6-7).
5.4 Open All Pinch Clamps
Open all pinch clamps on the connector hose and the
Hyper/Hypothermia blanket.
Failure to open the pinch clamps will prevent water flow
and will trigger the CHECK FLOW alert.
5.5 Connect Power/Turn Machine On
Insert the power cord plug into a properly grounded AC
receptacle. Press the ON/OFF Switch to the ON position.
When first turned on, the Medi-Therm II enters its
standby mode:
•the ON/OFF switch will light;
•the machine will beep once;
•the BLANKET, PATIENT, and SET POINT
temperature displays will show dashes;
•the SELECT MODE heading will flash.

Medi-ThermTM II
6.1 BLANKET CONTROL
When operating in BLANKET CONTROL mode, the
Medi-Therm II machine regulates the blanket
temperature to the selected SET POINT. A temperature
sensor within the machine monitors water temperature,
and the machine heats or cools the blanket as required
to bring it to the SET POINT temperature.
In BLANKET CONTROL mode, the operator must observe
the patient’s temperature and manually adjust the blanket
temperature to obtain the desired results.
To operate in BLANKET CONTROL mode:
1. Perform all start-up procedures (pp. 6-7).
2. Press the BLANKET CONTROL button.The upper
window on the BLANKET CONTROL button will
light.
The BLANKET display will indicate blanket
temperature.The SET POINT display will indicate
the default temperature (37°C ) at start-up, until
selecting the SET POINT temperature in step 3
below.
3. Adjust the SET POINT display to the prescribed
blanket temperature setting (4°C to 41°C). See
page 5, SET POINT CHANGE.
The STATUS display will indicate heating or cooling
while the machine is heating or cooling the blanket
water.When the blanket temperature stabilizes
(within 0.5°C of the SET POINT temperature), the
IN-TEMP indicator will light indicating that the
desired blanket temperature is being maintained.
8
6.0 Modes of Operation
The Medi-Therm II machine is designed to operate in
three (3) modes:
• BLANKET CONTROL (blanket temperature control),
• PATIENT CONTROL (automatic patient temperature
control), and
• MONITOR ONLY (patient temperature monitoring).
When the Medi-Therm II machine is turned on, the set
point defaults to 37°C for both the BLANKET CONTROL
mode and the PATIENT CONTROL mode. If either set
point is changed, the new value is retained in memory
until power is removed.
Modes of Operation/BLANKET CONTROL
NOTE: It takes approximately 8 minutes or less to
raise the blanket temperature from 22°C
(room temperature) to 37°C.
NOTE: Within the SET POINT range of 30°C to
41°C, if the blanket temperature does not get to
within 0.5°C. of the SET POINT temperature after
4 hours, the BLANKET display will flash and the
audible alarm will sound.Additionally, if the BLANKET
temperature reaches the set point and then deviates
by more than 0.5°C for more than 10 minutes, the
BLANKET display will flash and the audible alarm will
sound.When this occurs:
•Pressing the ALARM SILENCE button will
silence the alarm for 10 minutes.
•Check the patient's condition and consult
with a physician.
•Changing the set point will restart the four-
hour timer.
4. At least every 20 minutes, or as directed by
a physician, check the patient’s temperature
and skin condition at areas in contact with
blanket.
Failuretomonitorpatientmayresult
inskindamageorinappropriate
patienttemperature.
5. While operating in the BLANKET CONTROL mode,
the patient probe may be used to monitor the
patient’s temperature.
To observe patient temperature, insert sensing end
of patient probe into patient and tape securely to
prevent accidental dislodgment. Insert plug end of
patient probe into PATIENT PROBE jack. Make sure
probe plug is fully seated.
 UseonlyGaymarprobesorequivalent
YSI400seriesprobes.If in doubt that the correct
probe is being used and is operating properly,
perform a PROBE CHECK test (p. 13).
Patient temperature will be indicated on the PATIENT
temperature display.
WARNING
!

Medi-ThermTM II PATIENT CONTROL
9
5. Adjust the SET POINT display to the prescribed
patient temperature setting (30°C to 39°C). See
page 5, SET POINT CHANGE.
The STATUS display will indicate heating or cooling
while the machine is heating or cooling the patient.
When the patient temperature stabilizes within
0.5°C of the SET POINT temperature, the IN-TEMP
indicator will light.
In PATIENT CONTROL mode, if the machine
senses a patient probe temperature below
29°C or above 45°C, therapy will stop.
The CHECK PATIENT alert and audible alarm
will be on. When this occurs:
• Checkthepatient'stemperature.
• Checkalsotodetermineifthe
patientprobehasbecomedislodged,
anincorrectprobeisbeingused,
ortheprobehasbecomedefective
(seeTroubleshooting,pp.12-13).
• SwitchtoBLANKET CONTROLmode
ifcontinuedtherapyisdesired.
NOTE: For patient probe temperatures
between 40°C and 45°C, therapy will still be
provided even though the CHECK PATIENT
alert light and audible alarm are on.
NOTE: If the PATIENT temperature does not get
to within 0.5°C. of the SET POINT temperature
after 4 hours, the PATIENT display will flash and
audible alarm will sound. Additionally, if the PATIENT
temperature reaches the set point and then deviates
by more than 0.5°C for more than 10 minutes, the
PATIENT display will flash and audible alarm will
sound. Pressing the ALARM SILENCE button will
silence the alarm for 10 minutes.
When this occurs:
•Pressing the ALARM SILENCE button will silence
the alarm for 10 minutes.
•Check the patient's condition and consult with a
physician.
•Switch to BLANKET CONTROL mode if continued
therapy is desired.
•Changing the set point will restart the four-hour
timer.
NOTE: In BLANKET CONTROL mode, if the machine
senses a patient probe temperature below 29°C or
above 40°C, the CHECK PATIENT alert will light and
audible alarm will sound.Therapy will continue.When
this occurs:
•Check the patient's temperature.
•Check also to determine if the patient probe
has become dislodged, an incorrect probe
is being used, or the probe has become
defective. See Troubleshooting (pp. 12-13).
6.2 PATIENT CONTROL
When operating in the PATIENT CONTROL mode, the
Medi-Therm II automatically regulates the patient’s
temperature to the selected SET POINT.The machine
constantly compares actual patient temperature with the
SET POINT value, and automatically adjusts the blanket
temperature so that the desired patient temperature is
achieved.
To operate in PATIENT CONTROL mode:
1. Perform all start-up procedures (pp. 6-7).
2. Insert sensing end of patient probe into
patient and tape securely to prevent accidental
dislodgment.
3. Insert plug end of patient probe into PATIENT PROBE
jack. Make sure probe plug is fully seated.
UseonlyGaymarprobesorequivalentYSI
400seriesprobes. If in doubt that the correct
probe is being used and is operating properly,
perform a PROBE CHECK test (p. 13).
4. Press the PATIENT CONTROL button.The upper
window on the button will light.
NOTE: Since the probe initially senses room
temperature, to prevent accidental triggering of
the CHECK PATIENT alert, place probe in patient
and wait five minutes before pressing PATIENT
CONTROL button.
The BLANKET display will indicate blanket
temperature.The PATIENT display will indicate
patient temperature.The SET POINT temperature
will indicate the default temperature (37°C)
at start-up, until selecting the SET POINT
temperature in step 5.
WARNING
!

Medi-ThermTM II
6.3 MONITOR ONLY
(PatientTemperature Monitoring,
NoTherapy)
Press MONITOR ONLY when no therapy is required,
but monitoring of patient temperature is desired.
To operate in MONITOR ONLY mode:
1. Insert sensing end of patient probe into
patient and tape securely to prevent accidental
dislodgment.
2. Insert plug end of patient probe into the
PATIENT PROBE jack. Make sure probe plug is
fully seated.
UseonlyGaymarprobesorequivalentYSI
400seriesprobes. If in doubt that the correct
probe is being used and is operating properly,
perform a PROBE CHECK test (p. 13).
3. Press the MONITOR ONLY button.The upper
window on the button will light.The patient’s
temperature will be displayed.
If the machine senses a patient probe temperature
below 29°C or above 40°C, the CHECK PATIENT
alert will light and an audible alarm will sound.
REMEMBER—
inMONITOR ONLY,notherapyisprovided.
10
7.0 Shutdown Procedure
When therapy is completed, turn off the Medi-Therm II
machine. Close the pinch clamps before disconnecting the
blanket.
NOTE: Do not discard the DBK35CE Connector Hose.
MONITOR ONLY/Shutdown

Medi-ThermTM II
11
8.0 Safety Systems
8.1 Overtemp Safety Circuits
In the event of a controller failure, there are two separate
backup circuits which prevent the blanket temperature
from surpassing safe operating limits.
The first overtemp backup consists of an electronic
sensing circuit, totally independent of the main control
circuitry.This circuit will interrupt heater power and
initiate a REMOVE FROM USE NOW audible and visual
alert to keep the blanket temperature below 42°C.The
second overtemp backup is a bimetallic thermostat which
will directly interrupt power to the heater in the event
that both the main control circuitry and the first backup
fail. This device will also initiate a REMOVE FROM USE
NOW alert.
8.1.1 Overtemp VerificationTest
Performthefollowingtesttoverifyoperationof
therstovertempsafetybackupwithouthaving
toopenupthemachine.RefertotheMedi-Therm
II MTA6012CE Service Manualifcompleteservice
testingofthemachineisrequired.
1. Disconnect the hoses from the SUPPLY and RETURN
fittings on the front of the machine.
2. Turn the machine on while simultaneously pressing
the TEST LIGHTS button.This will put the unit into
a TEST MODE. In this TEST MODE, the blanket
temperature display will light, the set point will
display “0”, and the temperature will start to
increase.
NOTE: If the unit flashes CHECK FLOW, the
hoses have not been disconnected
and the temperature will not increase.
Disconnect the hoses.
3. If the first overtemp safety circuit is working
properly, the unit should go into a REMOVE FROM
USE NOW alert condition.The audible indicator will
remain on continuously.The entire test should take
approximately 3 minutes.
If the unit goes into a REMOVE FROM USE NOW alert
condition, but the audible indicator does not remain
on, the first overtemp backup is not functioning and
the second overtemp backup has tripped. Do not use
the machine. Request service.
Safety Systems
If the unit does not go into a REMOVE FROM USE
NOW alert condition, do not use the machine.
Request service.
4. Turn the machine off. This will end the TEST MODE.
5. Reconnect hoses to the fittings on the front of the
unit.
6. Turn the unit on and select BLANKET CONTROL
mode immediately.This will allow water to flow past
the first over-temp probe and reset it.
NOTE: If the machine goes into a REMOVE FROM
USE NOW alert condition again when selecting
BLANKET CONTROL, the second over-temp backup
device (the thermostat) has also tripped.Turn the
machine off. Connect a hose to the SUPPLY fitting.
Direct the other end of the hose into a water
container so that water from the cold reservoir
will siphon past the thermostat and reset it. Allow
water to flow for approximately two minutes.

Medi-ThermTM II
12
Troubleshooting
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9.0 Troubleshooting

Medi-ThermTM II
13
9.1 Probe Check
When performing the PROBE CHECK, use a
protective sheath on the probe.
(Becton-Dickinson catalog 3700 oral sheath
or equivalent.)
Failuretouseasheathcouldresultin
cross-contamination.
1. Insert probe into protective sheath and
then into PROBE CHECKWELL on front
of machine base (fig. 7).
2. Operate machine in BLANKET CONTROL mode
with a blanket connected. Adjust SET POINT
temperature to between 33°C and 37°C. Wait
until machine temperature stabilizes (IN-TEMP
lights and patient temperature display stabilizes).
Blanket and patient temperature displays should
read within 2°C of each other. If not, patient
probe may be defective or incorrect probe is
being used.
 UseonlyGaymarprobesorequivalentYSI
400seriesprobes.
3. If probe appears defective, try another probe and
repeat PROBE CHECK. If a new, correct probe
does not meet this test, remove machine from
use and request service.
Check Patient Probe/Probe Check
Figure 7—Probe Check Well
probe
check
well
protective
sheath
probe
WARNING
!
protective
sheath
probe
probe
check
well

Medi-ThermTM II
14
10.0 Care and Cleaning
As with any precision equipment, proper care and
maintenance will insure proper performance and
reliability.The following routine maintenance procedures
will help insure dependable Medi-Therm II operation.
10.1 Machine Care
• Fill with distilled water only.
 Failuretousedistilledwatermayresultin
poormachineperformance.
• Donot use alcohol.Alcohol may accelerate
blanket deterioration. Alcohol is flammable.
• Donotoperate without water, since damage to
internal components may result.
• Donot overfill. Overfilling may result in
overflow because the water in the blanket drains
back into the machine when the machine is
turned off.
•When filling an empty Medi-Therm II machine,
add a small amount of germicidal or sanitizer
solution to the water (Air-Kem A-33 liquid or
equivalent). Carefully follow the manufacturer’s
recommended concentration to prevent algae
growth within the Medi-Therm II system and
Hyper/Hypothermia blanket.
Donot use too much concentrate, since it will
result in “foaming,” which can reduce the blanket
efficiency and may damage the circulating pump.
•Donot use bleach. Bleach will damage the
heating element.
10.2 Draining the Machine
It is not necessary to drain the Medi-Therm II
machine after each use. However, periodic draining is
recommended at least once a month.
10.3 Machine Cleaning
Users should not use cleaning or decontamination
methods different from those recommended.
To clean the external surfaces of the machine and
connector hose, use a nonabrasive cleaning solution
(such as warm, soapy water) and a clean cloth.
Wipe or air dry.Apply a disinfectant such as 10%
chlorinated bleach solution (chlorinated bleach with
5.25% sodium hypochlorite) to the external surfaces
and allow to dry.
10.4 Blanket Care
• Do not store filled blankets. Algae growth may
occur inside.
• Do not use a blanket if severe algae buildup occurs.
• Do not expose blankets to temperatures over
65°C.
Disposable Blankets
1. After the machine has been turned off, raise the
blanket higher than the machine to allow most of
the water to drain back into the machine.
2. Close both sets of hose clamps.
3. Disconnect the blanket from the machine.
4. Dispose of blanket.
Reusable Blankets
1. After the machine has been turned off, raise the
blanket higher than the machine to allow most of
the water to drain back into the machine.
2. Close both sets of hose clamps.
3. Disconnect the blanket from the machine.
4. Manually clean both sides of the blanket on a
flat surface with warm water, a mild commercial
detergent, and a sponge or cloth.
5. Thoroughly rinse with clean water for 30 seconds.
Care & Cleaning
CAUTION
!
CAUTION
!
CAUTION
!

Medi-ThermTM II
15
Care and Cleaning
Figure 8—Probe Check Well
probe
check
well
protective
sheath
probe
6. Air dry or wipe with a clean cloth.
7. Apply a disinfectant such as a 10% chlorinated bleach
solution (chlorinated bleach with 5.25% sodium
hypochlorite) to both sides of the blanket.
8. Allow to air dry. Solution contact time is what makes
disinfection effective.
NOTE: Excess solution pooled in the buttons can
be removed with a clean, dry cloth.
9. Loosely roll up the blanket and store for next use.
Reusable blankets can be cleaned and reused so
long as they do not crack or leak.
10.5 Probe Care
Reusable Probes
For cleaning, disinfecting, and sterilizing reusable Gaymar
probes (or equivalentYSI 400 series reusable probes),
refer to the instructions provided with the probe.
Disposable Probes
Gaymar disposable probes should be discarded after use.
10.6 Probe Check Well Care
The PROBE CHECKWELL should be cleaned with a
small tubular brush as outlined in section 10.3, Machine
Cleaning.
10.7 Quick-Disconnects
The quick-disconnects joining the connector hose to the
machine may become difficult to engage.This problem
can be prevented by periodically applying a silicone base
or light machine oil to the outside of the male connector
prior to engagement.
10.8 Preventive Maintenance and Service
Preventive maintenance and service procedures are
described in the Medi-Therm II MTA6012CE Service
Manual. These procedures should be performed annually
(or as required by hospital protocol) by qualified
personnel such as certified biomedical electronics
technicians or certified clinical engineers.
protective
sheath
probe
probe
check
well

Medi-ThermTM II
16
Blankets/Accessories/Training/Warranty
11.0 Blankets/Accessories
SinglePatientUseBlankets,
PolymerwithNonwovenFabric
REF DHP810CE O.R.Table and General Use
(64 cm x 163 cm)
REF DHP812CE Pediatric General Use
(56 cm x 84 cm)
REF DHP813CE Adult General Use
(76 cm x 163 cm)
SinglePatientUseBlankets,AllPolymer
REF DHP901CE Adult General Use
(64 cm x 175 cm)
REF DHP902CE Pediatric General Use
(64 cm x 91 cm)
REF DHP903CE Adult General Use (Narrow)
(51 cm x 150 cm)
SinglePatientUseBlankets,
AllPolymerwithNonwovenFabric
REF DHP911CE Adult General Use
(64 cm x 175 cm)
REF DHP912CE Pediatric General Use
(64 cm x 91 cm)
ReusableBlankets,HeavyDutyPolymer
REF HP7010CE Adult General Use
(64 cm x 175 cm)
REF HP7020CE Pediatric General Use
(64 cm x 91 cm)
All blankets require use of the reusable DBK35CE
Connector Hose.
Accessories*
REF DBK35CE Connector Hose (3 meters)
REF PAT101CE Reusable Adult Patient Probe
(3 meters) Rectal/Esophogeal
(YSI 401AC)
REF PAT102CE Reusable Pediatric Patient Probe
(3 meters) Rectal/Esophogeal
(YSI 402AC)
REF PAT108CE Reusable Patient Probe (3 meters)
Skin Surface (YSI 409AC)
12.0 CustomerTraining
In-service training is recommended and can be arranged
through your Gaymar dealer.
13.0 Warranty
The Medi-Therm II Hyper/Hypothermia machine is
warranted free of defects in material and workmanship
for a period of two years under the terms and conditions
of the Gaymar warranty in place at the time of purchase.
The compressor portion of the machine carries a five
year prorated warranty. Contact your local dealer if you
have questions about warranty or repair.
13.1 Return Authorization
Please contact your local dealer to obtain an RG
(Returned Goods) number prior to returning the
machine.
NOTE: Machines and blankets will not be accepted
for repair unless they have been cleaned and
disinfected.
* These Gaymar probes, adapters, and hoses
should be used only with Gaymar Hyper/
Hypothermia Machines.
NOTE: Other style YSI 400 series probes are available
throughYellow Springs Instruments.
REF DP400CE Disposable Adult and Pediatric Patient
Probe (0.9 meters) Rectal/Esophogeal
[requires ADP10CE Adaptor Cable]
REF ADP10CE Reusable Probe Adaptor Cable
for DP400CE Probe

Medi-ThermTM II Specifications
14.0 Specifications
Physical
Dimensions 94.0 cm (height) x 35.6 cm (width) x 47.6 cm (depth)
Floor area 0.17 m2
Weight 66.2 kg empty; 73.9 kg full
Reservoir capacity 9.5 L distilled water
Refrigerant HFC-134a (does not contain chlorine)
Power loss indicator battery 8.4V NiMH
Power cord Detachable, 4.6 meters. Use only an international
(harmonized) 3-wire cord using cordage approved to
HD-21 conductor size 1.00mm² (HO5VVF3G1.00).
Performance
Patient temperature measurement accuracy:
with Gaymar disposable probe ±0.4°C (±0.2°C display accuracy; ±0.2°C probe accuracy)
with Gaymar reusable probe ±0.3°C (±0.2°C display accuracy; ±0.1°C probe accuracy)
Heater 500 W at 240 V
Flow rate with Gaymar blanket 1 liter per minute
Ambient operating temperature 15.6°C to 32.2°C
Storage temperature >0°C
Electrical
Voltage/frequency ~220V to ~240V ±10%, 50 Hz
Current 6 A
Circuit breaker 10 A
Regulatory Medical Device Directive (93/42/EEC) Class IIB
(indicated by CE mark)
Classification IEC 601-1 Class 1, grounded, not suitable for use in the
presence of flammable anaesthetic mixture with air or
with oxygen or nitrous oxide. Not classified for protection
against harmful ingress of liquid.
17

Medi-ThermTM II
Table des matières
Section Titre Page
1.0 Indications................................................1
2.0 Mesures de sécurité...............................1
3.0 Description..............................................2
4.0 Panneau de commande
de l’opérateur..........................................4
5.0 Procédure de mise en route................6
6.0 Modes de fonctionnement :
CONTRÔLE COUVERTURE..............8
CONTRÔLE PATIENT .........................9
SURVEILLANCE UNIQUEMENT.....10
7.0 Procédure d’arrêt.................................10
8.0 Systèmes de sécurité......................... 11
9.0 Dépannage ........................................... 12
10.0 Entretien et nettoyage....................... 14
11.0 Couvertures/Accessoires................. 16
12.0 Formation............................................. 16
13.0 Garantie................................................ 16
14.0 Caractéristiques.................................. 17
Illustrations
Figure Description Page
1 Système Medi-Therm II........................3
2 Panneau de commande
Medi-Therm II........................................5
3 Flotteur................................................... 6
4 Colliers de serrage............................... 6
5 Raccords rapides .................................. 7
6 Raccord Clik-Tite................................. 7
7 Orifice de test de la sonde ............. 13
8 Orifice de test de la sonde ............. 15
Avant de commencer . . .
Contrôle de réception
Se reporter au Manuel d’entretien
Medi-Therm II pour le contrôle de réception et
les procédures de vérification.
Pour toute question, prendre contact avec un
revendeur local.
Les marques commerciales Gaymar® et Clik-Tite® sont déposées auprès du U.S. Patent and Trademark Office.
Gaymar®, Clik-Tite® et Medi-Therm TM sont des marques commerciales de Gaymar Industries, Inc.
© 1999. Gaymar Industries, Inc.Tous droits réservés.
Tension dangereuse
Année de fabrication