gbo ULTRATHERM 908i User manual

gbo Medizintechnik AG 2004 Version 1.6
Short-wave-Therapy-Unit
ULTRATHERM 908i
User Manual

2ULTRATHERM 908i
gbo Medizintechnik AG 2004 Version 1.6
Das vorliegende Handbuch wurde von der gbo Medizintechnik AG erstellt und auf seine
Richtigkeit überprüft. Es erhebt jedoch keinen Anspruch auf Richtigkeit oder Vollständigkeit.
Alle Angaben und Daten können ohne vorherige Ankündigung geändert werden.
Ohne ausdrückliche schriftliche Genehmigung der gbo Medizintechnik AG darf kein Teil dieses
Handbuchs für irgendwelche Zwecke vervielfältigt oder übertragen werden, unabhängig davon,
auf welche Art und Weise oder mit welchen Mitteln, elektronisch oder mechanisch, dies
geschieht.
© 2004 gbo Medizintechnik AG
The gbo Medizintechnik AG has taken care in preparation of this operating instruction, but
makes no expressed or implied warranty of any kind and assume no responsibility for errors or
omissions.
All rights reserved. No part of this operating instruction may be reproduced, in any form or by
any means (electronic, mechanical, or otherwise) without the prior written permission of the gbo
Medizintechnik AG.
© 2004 gbo Medizintechnik AG
gbo Medizintechnik AG
Kleiststrasse 6
D-64668 Rimbach
Telefon: + 49 (0) 6 25 3/808-0
Telefax: + 49 (0) 6 25 3/808-300
E-Mail: [email protected]
Internet: http://www.gbo-med.de

ULTRATHERM 908i 3
gbo Medizintechnik AG 2004 Version 1.6
Comments according to the Medical Device Directive
ULTRATHERM 908i is a mains operated short-wave therapy unit.
The device fulfils the EC directive for medical devices and bears the CE-mark. You will find the
appropriate symbol on type label. The applicated regulations and standards are given in the EC-
declaration of conformity.
ULTRATHERM 908i is, according to the medical devices directive, an equipment of class IIb.
As manufacturers, we can assume responsibility for the safety of the unit and for its reliability and
performance only if:
•the unit is used in accordance with the operating instructions;
•the electrical room installation complies with common standards, such as IEC or VDE;
•the unit is not operated in wetrooms or areas where there is a risk of explosion;
•maintenance, repairs and modifications have been carried out by us or by agencies expressly
authorized by us;
•all user directives are met within the scope of the medical devices directive, especially
concerning safety controls.
Unaffected from the medical devices directive or national regulations a safety inspection every 12 month
is recommended. This inspection should be carried out by the manufacturer or an authorized service
agency.
Technical support is available from the manufacturer or from agencies, authorized by the manufacturer.
The product is intended for a lifetime of 10 years.
ULTRATHERM 908i is an electronic device. Disposing has to be done according to regulations for
electronic devices.
On request, the manufacturer supplies for all serviceable parts additional information, such as wiring
diagrams, spare part lists and service informations as far as they are of use for the qualified and
authorized service personnel of the user.
Comments on electromagnetic compatibility (EMC)
Medical, electrical devices are subject to special precautions concerning the EMC. They must be
installed and operated according to the EMC-advice given in the accompanying documents. In particular
medical, electrical devices may be influenced by portable and mobile RF-communication devices.
The manufacturer guarantees the conformity of the unit with the EMC-requirements only when using
accessories which are listed in the EC declaration of conformity. The usage of other accessories my
cause an increased emission of electromagnetic disturbances or may lead to a reduced electromagnetic
immunity.
The unit must not be arranged physically close to other devices or stacked with them. If such an order is
necessary nevertheless, the unit must be observed in order to check it for the intentional operation.
You find more EMC-comments in the chapter “Warnings and Safety Precautions” of this manual as well
as in the Technical Information on the next two pages.

4ULTRATHERM 908i
gbo Medizintechnik AG 2004 Version 1.6
In accordance with the EMC-regulations for medical products we are obliged by law to
provide the following information.
Guidance and manufacturer’s declaration — electromagnetic emissions
The equipment is intended for use in the electromagnetic environment specified below. The customer or the user of the
equipment should assure that it is used in such an environment.
Emissions test Compliance Electromagnetic environment – guidance
RF emissions,
CISPR 11
Group 2 The equipment must emit electromagnetic energy in order to perform
its intended function. Nearby electronic equipment may be affected.
RF emissions,
CISPR 11
Class B
Harmonic emissions,
IEC 61000-3-2 (*)
Class A
Voltage fluctuation/flicker
emissions, IEC 61000-3-3 (*)
Complies
The equipment is suitable for use in all establishments, including
domestic establishments and those directly connected to the public
low-voltage power supply network that supplies buildings used for
domestic purposes.
(*) Note: For devices with a power consumption between 75 W and 1000 W only.
Guidance and manufacturer’s declaration — electromagnetic immunity
The equipment is intended for use in the electromagnetic environment specified below. The customer or the user of the
equipment should assure that it is used in such an environment.
Immunity test IEC 60601- test level Compliance level Electromagnetic environment –
guidance
Electrostatic discharge (ESD),
IEC61000-4-2
±6 kV contact
±8 kV air
±6 kV contact
±8 kV air
Floors should be wood, concrete or
ceramic tile. If floors are covered with
synthetic material, the relative humidity
should be at least 30 %.
Electrical fast transient/burst,
IEC 61000-4-4
±2 kV for power supply
lines
±1 kV for input/output
lines
±2 kV for power supply
lines
±1 kV for input/output
lines
Mains power quality should be that of a
typical commercial or hospital
environment.
Surge,
IEC 61000-4-5
±1 kV differential mode
±2 kV common mode
±1 kV differential mode
±2 kV common mode
Mains power quality should be that of a
typical commercial or hospital
environment.
Voltage dips, short
interruptions and voltage
variations on power supply
input lines,
IEC 61000-4-11
<5% Uτ
for ½ cycle
(>95% dip)
40% Uτ
for 5 cycles
60% dip)
70% Uτ
for 25 cycles
30% dip)
<95% Uτ
for 5 s
(>5% dip)
<5% Uτ
for ½ cycle
(>95% dip)
40% Uτ
for 5 cycles
60% dip)
70% Uτ
for 25 cycles
30% dip)
<95% Uτ
for 5 s
(>5% dip)
Mains power quality should be that of a
typical commercial or hospital
environment.
If the user of the equipment requires
continued operation during power mains
interruptions, it is recommended that the
equipment be powered from an
uninterruptible power supply or a
battery.
Power frequency (50/60 Hz)
magnetic field,
IEC 61000-4-8
3 A/m 3 A/m Power frequency magnetic fields should
be at levels characteristic of a typical
location in a typical commercial or
hospital environment.
Note: Uτis the a.c. mains voltage prior to application of the test level.

ULTRATHERM 908i 5
gbo Medizintechnik AG 2004 Version 1.6
Guidance and manufacturer’s declaration — electromagnetic immunity
The equipment is intended for use in the electromagnetic environment specified below. The customer or the user of the
equipment should assure that it is used in such an environment.
Immunity test IEC 60601- test level Compliance level Electromagnetic environment –
guidance
Portable and mobile RF communications
equipment should be used no closer to any
part of the equipment, including cables,
than the recommended separation distance
calculated from the equation applicable to
the frequency of the transmitter.
Recommended separation distance:
Conducted RF,
IEC 61000-4-6
3 Vrms
150 kHz to 80 MHz
3 Veff d=1,2√P
Radiated RF,
IEC 61000-4-3
3 V/m
80 MHz to 2,5 GHz
3V/m d=1,2√P
for 80 MHz to 800 MHz
d=2,3√P
for 800 MHz to 2,5 GHz
Where P is the maximum output power
rating of the transmitter in watts according
to the transmitter manufacturer and d is the
recommended separation distance in
meters (m).
Interference may occur in the vicinity of
equipment marked with the following
symbol:
Recommended separation distances to portable and mobile RF communication equipment
The equipment is intended to be operated in an electromagnetic environment, where radiated RF interference is
controlled. The user can help in avoiding interferences by means of meeting minimum separation distances between
portable and mobile RF communication equipment (transmitters) according to the maximum output power of the
communication equipment.
Separation distance according to the tranmission frequency (m)Rated power of the
transmitter (W) 150 kHz to 80 MHz
d=1,2√
√√
√P
80 MHz to 800 MHz
d=1,2√
√√
√P
800 MHz to 2,5 GHz
d=2,3√
√√
√P
0,01 0,12 0,12 0,23
0,1 0,38 0,38 0,73
1 1,2 1,2 2,3
10 3,8 3,8 7,3
100 12 12 23

6ULTRATHERM 908i
gbo Medizintechnik AG 2004 Version 1.6
EC - DECLARATION OF CONFORMITY
Name of manufacturer : gbo Medizintechnik AG
Address : Kleiststrasse 6
D - 64668 Rimbach
Germany
We hereby declare under our sole responsibility that the product described below conforms in design
and make as well as in the versions delivered to the corresponding safety and protection requirements
defined in the applicable EC regulations.
Harmonized standards have been used for all conformity checks, national standards have not been
applied.
Any change to the product design that is not validated by us will render this declaration invalid.
Type of product : Short-WaveTherapy Unit
Label : ULTRATHERM 908i
Options : Diplode,
Monode,
Minode,
Capacitor-Field-Radiator,
Soft-Rubber-Radiator
Corresponding EC regulations: EC medical devices directive (93/42/EEC)
Conformity assessment
procedure : Annex VI of the directive 93/42/EEC
Classification : IIb (according to MDD, appendix IX)
Name und registration no.
of the notified body : TÜV Product Service in Munich/Germany with the
registration no. 0123
Additional information : none
Date : January-1, 2006
Name of persons responsible : Dr. Eberhard Keck
Title/Function : CEO
Signature :

ULTRATHERM 908i 7
gbo Medizintechnik AG 2004 Version 1.6
Contents
1 INTENDED USE 8
2 FUNCTIONAL DESCRIPTION 9
2.1 Control panel 9
2.2 Structure of the unit 10
2.3 Support Arms 11
2.4 Applicators and applicator cables 11
2.4.1 Capacitor-field applicators (distance applicators according to „Schliephake") 11
2.4.2 Capacitor-field applicators, elastic 12
2.4.3 Coil applicators 12
2.4.4 Applicator connection cables 12
2.5 Cleaning and disinfecting 12
2.6 Tests, safety and regulations 13
3 INSTALLATION 15
3.1 Mains connection 15
3.2 Switching on 15
3.3 Mode of operation 15
3.4 Choice of the applicator 15
3.5 Connection of the applicators 16
3.6 Treatment time 16
3.7 Setting the dosage 17
3.8 Switching off (emergency disconnection by the patient) 18
3.9 Switching off by the safety circuit 18
4 TREATMENT 19
4.1 Preparation of the patient 19
4.2 Implants 19
4.3 Pregnant women, endangered organs 19
4.4 Heat effect of the applicators 20
4.4.1 Capacitive method of application 20
4.4.2 Inductive method of application 20
4.5 Power rating of the applicators 21
5 WARNINGS AND SAFETY PRECAUTIONS 22
6 TROUBLESHOOTING 23
7 SUMMARY OF OPERATIONS 24
8 TECHNICAL DATA 25
9 ACCESSORIES 26
10 KEY TO SYMBOLS 27

8ULTRATHERM 908i
gbo Medizintechnik AG 2004 Version 1.6
1Intended Use
The ULTRATHERM 908i is a high performance short wave therapy unit for high frequency
heat therapy that operates at the well proved frequency of 27.12 MHz (wave length 11 m). It
enables the classical therapy in capacitor-field and electromagnetic coil fields in both the
continuous and the modern pulsed modes of operation and, therefore, it is suited for all heat
therapy treatments in clinic as well as practice.
The use of high frequency energy for heat therapy has the advantage of larger penetration depth
in contrast to the conventional methods, such as hotpacks, baths, infrared light and heat pillows,
and even to the microwave.
The heat endogenically generated by this therapy unit induces a whole range of physiological
processes which, for example, spasmodically influence the muscular system, tendons and other
connective tissue structures, increase the cell metabolism and rate of enzyme reaction and
improve the blood circulation in the area under treatment.
As the high frequency energy can be applied in short but high energy shocks (pulsed mode) the
penetration depth can be increased further, particularly the positive effect on the blood
circulation, while the thermosensitive skin hardly feels the heat.
High frequency heat therapy can be applied in a wide field. It is particularly suited for all
rheumatic ailments of the joints and muscular system, inflammatory ailments of respiratory
organs, kidneys and urinary tracts and all ailments caused by poor blood circulation.
Please, observe the table of application.
For acute conditions the pulsed mode of operation offers advantages.

ULTRATHERM 908i 9
gbo Medizintechnik AG 2004 Version 1.6
2Functional description
2.1 Control panel
1Power switch with light indicator
2RESET key
3Key „Continuous mode of operation“
4Key „Pulsed mode of operation“ 70 Hz/2 ms
5Key „Pulsed mode of operation“ 350 Hz / 0.4 ms
6Key „Coil applicator“ MINODE ∅8 cm
14 16 15
1
2 3 4 5 6 7 8 11 10 9 12 13 17

10 ULTRATHERM 908i
gbo Medizintechnik AG 2004 Version 1.6
7Key „Coil applicator“ MONODE ∅14 cm
8Key „ Coil applicator“ DIPLODE 18 x 39 cm
9Key „Capacitor-field applicator“ ∅4.2 cm and
„Capacitor-field applicator, elastic 8x12 cm
10 Key „Capacitor-field applicator“ ∅8.5 cm and
„Capacitor-field application“, elastic 12x18 cm
11 Key „Capacitor-field application“ ∅13 cm
„Capacitor-field application“, elastic 15x25 cm
12 Key „Decrease treatment time“
13 Key „Increase treatment time“
14 Display „Treatment time“ in minutes
15 Display „Dosage“
16 Display „Coupling with patient“
17 Dosage knob
2.2 Structure of the unit
The therapy unit is trolley-mounted with casters, two of which are fitted with brakes that can be
actuated for the required stability.
The top part of the therapy unit is designed as control panel. On the panel, covered by an easily
cleaned and, thus, user-friendly protective foil, there are arranged all the necessary control and
display elements.
By means of dosage knob (17) the output power is adjusted via an angular impulse generator.
Power switch (1) (ON/OFF) is provided on the left side of the panel. At the rear of the therapy
unit there are the screws for attaching the arms (46),the sockets for connecting the cables of the
capacitor-field (43) and coil (30) applicators and the connection part of the detachable mains
supply cable (44) including fuses. The ripcord (45) for the patient emergency-OFF switch passes
through a bushing mounted in the arm fastening area so that it can be pulled from all directions.

ULTRATHERM 908i 11
gbo Medizintechnik AG 2004 Version 1.6
2.3 Support Arms
If DIPLODE coil-field electrodes are to be used, a support is required; 2 support arms are
required when using capacitor field electrodes according to Schliephake .
In general, support arms which have only one joint close to the electrode are used - apart from
the double joint where the support arm is fixed.
For applications on high treatment couches or for other special treatment situations, flexible arms
(Fig. 4) with an additional lockable joint (18) in the middle of the arm can be used. These arms
are available for right and left operation.
Both types of support arm can be adjusted by means of a fixing knob (19) axial displacement
(20) and rotatory displacement (21).
The connecting cables and most electrodes are secured to the support arm head by means of plug
and socket connections. The large electrodes hole (22) accepts the electrodes which are locked in
position by a spring pin locking fixture.
To do this, move the sliders (23) on each side perpendicular to the hole so that the locking pin
(24) does not prevent insertion of the electrodes.
Insert the adjuster pin of the Schliephake electrode into the hole (25) and plug socket end of the
electrode cable into the pin socket (26) underneath.
2.4 Applicators and applicator cables
Coil as well as capacitor-field applicators can be used with the ULTRATHERM 908i (see also
paragraph 7, Accessories).
2.4.1 Capacitor-field applicators (distance applicators according to „Schliephake")
Three pairs of different diameters are available. The capacitor-field electrode consists of 2 caps
(27/28), screwed together with enclose an axially movable metal plate with shaft (the actual
electrode c). An adjuster pin (30) on the shaft enables the plate electrode spacing to be adjusted
in a defined manner.
The smaller cap (28) is fitted with a slotted bush (31) with an external thread with which the
metal plate shaft can be guided and by means of which the locking nut (32) can be secured. The
locking nut has 4 holes (33) around its periphery and a guide groove (34). The locking pin of the
support arm must engage in one of the 4 holes. The locking nut is slotted on one side (35), so that
the entire electrode can be held by spring force in the support-arm head.
When the locking pin of the support arm is engaged, the electrode is disengaged by twisting the
two caps anticlockwise (36). The desired electrode spacing can be axially adjusted (38).
The electrode setting can then be secured by twisting the two caps clockwise (37). For further
information see paragraphs 2.4, 2.5 and 2.6.

12 ULTRATHERM 908i
gbo Medizintechnik AG 2004 Version 1.6
2.4.2 Capacitor-field applicators, elastic
These applicators are available in three different-sized pairs. The permanently attached, highly
flexible cable ensures maximum flexibility at the point of applicator connection and high
adaptability to bent or curved parts of the patient's body. The optimum distance between
applicator and skin is achieved with thick felt spacers that have to be placed in a cloth bag
together with the applicator. Velcro fastener or rubber bands can be used for fastening this
applicator arrangement.
2.4.3 Coil applicators
Three different sizes of different effective surfaces can be used for adjusting to size and volume
of the different treatment areas (for further information see subparagraphs 2.4, 2.5 and 2.6).
The electrode is held above the connection at the support arm (as for the capacitor-field
electrode).
The DIPLODE is designed as special electrode. Because of its swivelling side sections, it is
suitable for large-surface treatment and for treatment enclosing the area.
The twin-core electrode cable is permanently screwed to the diplode. A ball joint (39) in the
centre section facilitates optimum electrode application. The attachment to the support arm is by
means of the connection (40) into the fixing hole (41) of which the locking pin of the support
arm must snap. The claw (42) is to stabilize the electrode attachment and must enclose the
narrow side of the support-arm head.
2.4.4 Applicator connection cables
Highly flexible, low-loss special cables are used to connect the capacitor-field applicators.
To avoid any unwanted and inadmissible heat application to the patient he/she should not touch a
cable. Therefore, abundant cable length should be fed through the lower arm part (24) to secure
it.
2.5 Cleaning and disinfecting
Before cleaning or disinfecting the therapy unit must be switched off and the mains plug
disconnected.
For cleaning and disinfecting the therapy unit and accessories (except for the felt spacers, of
course) we recommend commercially available surface disinfectants to be used according to their
instructions for use.

ULTRATHERM 908i 13
gbo Medizintechnik AG 2004 Version 1.6
For reasons of material acceptance, only surface disinfectants basing on agents like aldehydes,
alcohols or ammonium compounds are suitable for wipe and spray disinfection. They are to be
used according to their instructions for use and duration of action.
Examples: Hexaquart Nucosept o. F.
Ultrasol Bazillotox
Hansa-Sept Buratron 10F
Lysoform Dismozon
Incidur Frekanol
Melsitt
For users in the Federal Republic of Germany we basically recommend the use of disinfectants
published in the DGHM (Deutsche Gesellschaft für Hygiene und Mikrobiologie) list. The
DGHM list contains also the basic agent of the corresponding disinfectant.
For reasons of possible material damage, also products basing on halogen-splitting compounds,
strong organic acids and oxygen-splitting compounds, solvents, benzene and similar agents are
not suitable.
ATTENTION! While cleaning and disinfecting it is to be observed that no fluid penetrates into
the therapy unit or accessories. Sockets that have become wet are to be
thoroughly dried before any further use!
2.6 Tests, safety and regulations
The ULTRATHERM 908i conforms to MDD class IIb. Due to the strict application of legal
standards and rules and maintaining the definitions of the design documentation it complies with
the general requirements of labour safety.
According to the MDD this electromedical device shall only be applied by people which ensure
the correct handling due to their special training or knowledge and practical experience and
which have been trained for the correct operation on the basis of the present operating
instructions. The training shall be only performed by people which are suited for instructing the
handling of the device due to their knowledge and practical experience.
As the manufacturer of this therapy unit we only consider ourselves responsible for the technical
safety qualities if the ULTRATHERM 908i is used according to the present operating
instructions.
Any repair - including opening the unit - shall only be performed by our staff or after-sales
service shops especially authorized by us. In the interest of functional safety of the therapy unit
we recommend at least one annual safety check by the after-sales service.
The experience showed that most of the supposed troubles base only on inadvertent operation
errors. Therefore, please, check the operation prior to any contacting the after-sales service.

14 ULTRATHERM 908i
gbo Medizintechnik AG 2004 Version 1.6
Prior to the application, the therapy unit has to be checked by the user for convincing that its
function and condition are correct. This includes regular inspections of all cables and lines for
possible insulation defects.
The ULTRATHERM 908i complies to the Medical Devices Directive (MDD) 93/42/EEC and
therefore carries the CE sign with the number of the notified body for medical devices.
ATTENTION: According to its designation the therapy unit generates high frequency electric
and magnetic fields that penetrate even walls, ceilings and floors. It cannot be
excluded that components of these fields exists in the vicinity of the therapy unit.
Sensitive electronic instruments which are arranged in the immediate vicinity of
the ULTRATHERM 908i can be disturbed. This danger largely depends on the
distance between the devices. Therefore, during the installation of the therapy
unit, it should be taken into consideration that the distance to other sensitive
devices should exceed 5 m, if possible, and the applicators are not directed to
sensitive devices, as for instance current stimulators.
This problem can be completely eliminated when the therapy unit is accommodated in a shielded
room, that means in a Faraday cage. (A Faraday cage enclosed by a metal housing or grid
prevents the penetration of electric fields.) Often, a sufficient interference suppression is obtained
by only connecting the devices to isolated mains circuits or using screening curtains (special
curtains between the treatment cabins). Supplier is:
nsp- Sicherheitsprodukte GmbH
Hauptstr. 17
86695 Nordendorf
Germany
Phone: [phone].
To stay within the limits given by DIN 0848, Part 2, we recommend that the operators and other
persons keep a distance of at least 2 meters to the applicators and cables. In case of doubt, it is
recommended to measure the field strength. Pregnant women should not operate the therapy unit.
ATTENTION: The therapy unit is not designed to be operated in environments in which there is
danger of explosion. If used in anaesthesia rooms where inflammable narcotics
are simultaneously used an explosion can not be ruled out!

ULTRATHERM 908i 15
gbo Medizintechnik AG 2004 Version 1.6
3Installation
3.1 Mains connection
The standard therapy unit is to be connected to a mains voltage of 230 V +/- 15 %, 50/60 Hz.
However, a special version is also available for the connection to 115V +/- 15 %, 50/60 Hz. (The
actual value is shown on the rating plate at the rear of the unit).
Before connecting to the supply mains check the conformity of the voltage values of the available
mains and therapy unit. The therapy unit is to be only connected to a properly installed earthend
socket outlet by means of the shielded mains connecting cable included in the basic accessories.
For the 230-V mains we recommend a slow-acting 10-A fuse.
3.2 Switching on
Switch on the power with switch (1) on the left of the operating panel. Now, the therapy unit is in
the stand-by mode of operation. The indicators „Dosage" (15) and „Treatment time" (14) are lit.
Further settings are to be made on the keyboard (cf. figure).
3.3 Mode of operation
Select the mode of operation with the buttons (3), (4) and (5) in the „MODE" field. Pressing
button (3) turns the therapy unit to the continuous mode of operation. Different pulsed modes of
operation can be selected by pressing button (4) or (5). They differ in pulse width and pulse
repetition frequency (cf. paragraph 6). The chosen mode is shown by the indicator light in the
corresponding button marked by the symbol. The mode of operation can only be selected when
the dosage display (15) shows „0".
3.4 Choice of the applicator
The choice of the appropriate applicator is made according to area and volume of the body parts
to be treated and according to preferring the coil or capacitor-field field application.
By pressing button (6), (7), (8) or (9), (10), (11) in the "APPLICATOR" button pad the dosage
(output power) is limited according to the selected applicator so that an unintended overheating
of the tissues is avoided.

16 ULTRATHERM 908i
gbo Medizintechnik AG 2004 Version 1.6
The following buttons are assigned to the corresponding applicators:
Button Applicator Symbol
6Coil applicator Minode,∅8 cm
7Coil applicator Monode, ∅14 cm
8 Coil applicator Diplode,18 x 39 cm
9 Capacitor-field applicator; capacitor-field applicator,
∅4.2 cm elastic, 8x12 cm
10 Capacitor-field applicator; capacitor-field applicator,
∅8.5 cm elastic, 12x18 cm and larger
11 Capacitor-field applicator;
∅13 cm
As mentioned above, any programming is only possible with the dosage display (15) showing
„0".
WARNING: The coil applicator MONODE must not be used in the pulsed mode of operation!
3.5 Connection of the applicators
Applicators are electrically connected to the sockets (43).
Insert the plug pins into the socket up to the stop!
Please, observe that in any case only the connectors of the capacitor-field applicator cables or the
connectors of the coil applicator cable are plugged into sockets (43).
3.6 Treatment time
Set the treatment time with buttons (12), increasing, or (13), decreasing. The actual value is
shown on display (14). Pressing the buttons for a short time will set the time in 1 -minute
intervals, pressing them continuously will set the time in 5-minute intervals. When both buttons
are simultaneously pressed the time is reset to „O". The maximum time that can be set is 30
minutes. Changing the time during the treatment is also possible.

ULTRATHERM 908i 17
gbo Medizintechnik AG 2004 Version 1.6
After the clock is set it starts automatically when dosage knob (17) is shortly turned to the right,
display „Ab" fades and the selected treatment time appears again on display (14). During the
treatment the remaining time is shown on display (14). The end of the programmed time is
acoustically signalled. This signal is constantly repeated every minute until dosage knob (17) is
reset to 0 (turn to the left).
3.7 Setting the dosage
After the settings described in subparagraphs 2.3, 2.4 and 2.6 have been completed the dosage
can be selected with dosage knob (17). Before the automatic tuning process can start the
„MODE“ and the „APPLICATOR“ have to be selected. An incomplete setting results in the error
message „FEO“ appearing on „Dosage“ display (15). Cancel the error message by turning the
dosage knob to the left and complete the setting. Keep in mind that the dosage is to be only
selected with the applicator(s) correctly adjusted to the patient’s body and connected to the
therapy unit according to subparagraphs 2.5. Dosage knob (17) has no right and left stops.
Turning to the right increases the dosage in dependence on the dosage range in the following
steps per lock point:
Up to 30 W in 3-W steps
From 30 W to 90 W in 5-W steps
From 90 W to 200W in 10-W steps
This applies for both the continuous and pulsed modes of operation.
In order for the therapy unit to deliver the high frequency dosage level selected with dosage knob
(17) it is automatically tuned to the patient data after a short right turn of dosage knob (17).
During this process the tuning symbol „Ab" appears on the „Treatment time" display (14)
instead of the treatment time. No further operator settings are accepted by the unit in this time
period. Termination is only possible by pressing „RESET" button (2). The effect of the tuning
process is shown on the display „Coupling to the patient" (16). The best RF power transfer to the
patient is achieved when display (16) is totally lit. As the tuning takes place with minimum
dosage the position of the applicator(s) to the patient can be changed during this process to
enhance the dosage transfer. After the tuning process is terminated the treatment time is shown
on display (14) again and, starting at this moment, the actual output power (dosage) is shown on
display (15). The tuning process can be repeated by turning dosage knob (17) to the left down to
„0" and subsequently turning it to the right again. The dosage can then be increased to the desired
level by turning dosage knob (16) further to the right.
The display shows first the selected dosage. After the tuning it changes to the actual value. Then,
this dosage level is stored and automatically readjusted by the therapy unit in case the patient
moves or the mains voltage fluctuates. Thus, any accidental increase of the dosage due to patient
movements is safely avoided, too.

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3.8 Switching off (emergency disconnection by the patient)
The high frequency power or the entire therapy unit can be switched off by either of the
following ways:
a) Turn off the power switch (1). (Entire therapy unit).
b) Press the RESET button (2). (The therapy unit is set to the stand-by mode as after switching
on the power switch.)
c) Simultaneously press the time buttons (12) and (13). (The mode of operation and applicator
type remain stored.)
d) Turn dosage knob (17) to the left until „0“ appears on display (15). (The mode of operation,
applicator type and remaining treatment time are kept stored.)
e) End of the adjusted treatment time. (The mode of operation and applicator type remain stored.
Cancel the acoustic signal by turning the dosage knob to the left.)
f) Emergency off by the patient by using the ripcord (45). Any use of the ripcord is indicated by
an intermittent „beep“ sound and „FEC“ appearing on display (15). Switching back to the
stand-by mode is done by pressing the RESET button (2).
3.9 Switching off by the safety circuit
After switching on the therapy unit and during the operation the microcontroller, in charge of the
entire control functions of the unit, automatically performs many control sequences to ensure the
safety of patient and therapy unit. If any error is being detected it is shown on the “Dosage“
display (15) and the output power is immediately switched off. This error condition is
additionally indicated by an intermittent acoustic signal.
The error messages are indicated by the symbols:
FE 1, FE 2, FE 4, FE 5, FE 6, FE 7, FE 9, FE a, FE b, FEC.
If anyone of these error messages is displayed the therapy unit must be switched off and the after-
sales service informed.
The FE 0 message means the parameter settings are incomplete. This condition is to be
eliminated as described in subparagraph 2.7. No acoustic signal follows this error message.

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4Treatment
4.1 Preparation of the patient
To ensure an optimum therapy the patients and especially the parts of their bodies that are to be
treated should be completely relaxed. A comfortable lying or sitting position is the best condition
for this.
Patients shall never be treated on metal chairs or beds.
Hearing aids, watches, rings, chains, bracelets and other metal objects are to be removed for
safety reasons before the treatment is started. This also applies to persons close to the therapy
unit or applicators and cables, e. g. the operating staff.
The parts of the body involved should be treated in unclothed condition. Especially clothes made
of synthetic materials are to be removed because they absorb moisture insufficiently, so that local
areas with excessive moisture (e.g. skin folds) can absorb too much energy and can cause local
overheating.
Before starting the treatment the ripcord is to be handed to the patient so that he/she can switch
off the therapy unit when he/she feels nausea or unbearable heat sensation.
4.2 Implants
High frequency heat therapy is contra-indicated for patients with pacemakers.
Body parts with metal insertions (e. g. bone-fixation nails, grenade splinters, etc.) shall not be
treated.
4.3 Pregnant women, endangered organs
Treatment of pregnant women is contra-indicated in the abdominal area.
Other contra-indications are growing-grooves, tumours, tuberculosis, disturbed arterial blood
circulation of stages III and IV, varicose veins, general tendency to bleeding.
The doses must be carefully selected for organs with low vascularization and low blood
circulation (e. g. eyes, testicles)!

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4.4 Heat effect of the applicators
The evaluation of the heat effect of applicators on the basis of the subjective heat sensation by
the patient is strongly influenced by a number of factors, e. g. the thickness of fat layers,
treatment through clothes or bandages, blood circulation, temperature of the skin, etc.
Therefore, the following subparagraphs generally explain the operation of the applicators used
with the
ULTRATHERM 908i. The heat effect of the electrodes differs fundamentally between the
inductive and capacitive method of application.
4.4.1 Capacitive method of application
With the capacitive method of application the transformation of energy into heat mainly takes
place in tissues with low blood circulation (e. g. fat, connective tissue). Thus, the greater part of
heat is generated in areas near the surface (upper-skin fat tissue) so that not only the transformed
energy but also the distance between applicator and skin is important for the subjective sensation
of heat.
4.4.2 Inductive method of application
The high frequency magnetic field of a coil applicator generates eddy currents in the tissue.
These currents increase with the electric conductivity of the corresponding tissue region (tissues
with good blood circulation, e. g. muscle tissue and inner organs).
To reach these deeper tissues the coil applicators of the ULTRATHERM 908i are provided with
an electrostatic shielding that prevents the technically unavoidable electric field of the coil
applicator from effecting the upper-skin fat tissue and its heating. Therefore, the feeling of heat is
basically delayed and it is recommended to start the treatment with a dosage level below the
desired one and increase then guided by the patients heat sensation in the treated area. The
dosage and treatment time values given in the application table should be observed.
During all the treatment time, the patient must be in contact with the Diplode!
If the patient is excessively heated up, do not change the body-Diplode contact position but
decrease the output power or the patient turns off the ULTRATHERM 908i by pulling the
ripcord.
Intermediate checks are recommended. In doing, observe the actual dosage shown on display
(15) to obtain reproducible results within a treatment series.
An excessive output power (dosage) and missing intermediate inspections by the therapist often
result in mismatching in the practice because the patient often does not switch off the
ULTRATHERM 908i by means of ripcord and emergency-off switch but changes his/her