Ultrasound Technologies PFM1 User manual

Operating Manual

PFM1

Fetal Monitor

Ultrasound Technologies Ltd Foresters House, Itton, Chepstow, Gwent. NP6 6BZ U.K.

Telephone [phone] Fax [phone]

Contents

About This Manual.......................................................................................................... 1

Safety In Use ................................................................................................................... 2

Special Precautions...........................................................................................................................................2

Electrical Shock Hazard ..................................................................................................................................2

Explosion Hazard..............................................................................................................................................2

Handling the Delicate Transducers................................................................................................................3

Symbols Used....................................................................................................................................................3

Parts and Their Functions .............................................................................................. 4

PFM1 Front Panel Controls ............................................................................................................................4

Recorder On/Off.......................................................................................................................................4

Front Panel Event Mark...........................................................................................................................4

Volume Up.................................................................................................................................................4

Volume Down ...........................................................................................................................................4

US1 / US2 Transducer Select.................................................................................................................4

Toco Zero...................................................................................................................................................4

Indicators and Connectors...............................................................................................................................5

’Power On’ Indication..............................................................................................................................5

RS232 Output............................................................................................................................................5

Remote (Patient) Event Marker..............................................................................................................5

Probe Connection......................................................................................................................................5

Operating Procedures..................................................................................................... 6

User Configuration...........................................................................................................................................6

The Printer ..........................................................................................................................................................8

Ultrasound Fetal Monitoring...........................................................................................................................9

Uterine Activity Monitoring.........................................................................................................................10

Fetal Activity...................................................................................................................................................10

Interpretation...................................................................................................................................................11

Troubleshooting ............................................................................................................12

No Display Information on LCD.................................................................................................................12

Keyboard Does Not Respond.......................................................................................................................12

No Sound From Loudspeakers.....................................................................................................................12

No FHR Information on Display or Recorder...........................................................................................12

No Chart Printed.............................................................................................................................................12

Maintenance ..................................................................................................................13

General..............................................................................................................................................................13

System Cabinet........................................................................................................................................13

Transducers..............................................................................................................................................13

Specification ..................................................................................................................14

PFM1OpManualIssue5

About This Manual

This booklet explains the operation and use of the PFM1 Antenatal Cardiotocograph. Care
has been taken during the design and manufacture of this product so that it satisfies all of the
current safety standards set down by BS EN60601

To achieve the best from this product read the following sections several times and if you
have any problems in the operation of a particular part of the product then contact your dealer
immediately or contact :

Ultrasound Technologies Ltd. German Office

Lodge Way, Portskewett Kleinenbroicher Str. 54a
GB-Caldicot NP26 5PS D-41352 Korschenbroich
Phone: [phone] / 425 425 +49 (0) 2161 / 677 194
Fax: [phone] / 427 093 +49 (0) 2161 / 677 195
Email: [e-mail] [e-mail]
Website: http://www.doppler.co.uk http://www.mydoppler.de

A service manual containing circuit descriptions, diagrams, parts and spares lists is available
for the PFM1 by contacting the address above.

To maintain the PFM1’s performance it is recommended that it be included in a periodic
maintenance program. The user preventative maintenance program is covered in this manual.
Maintenance outside the scope of the user should be undertaken on an annual basis by
trained service personnel; full details are available from your supplier, service centre or from
Ultrasound Technologies Ltd.

The PFM1 is supplied complete with the following: -

PFM1 Single Fetus Monitor PFM1 Twin Fetus Monitor
US1 Monitoring Transducer US1 Monitoring Transducer
External Toco Transducer US2 Monitoring Transducer
Patient Event Marker External Toco Transducer
Belt set (x1) Patient Event Marker
Paper spindle Belt set (x2)
Chart roll (x1) Paper spindle
Power Cord Chart roll (x1)
Operating instructions Power Cord
Doppler size Coupling gel Operating instructions
Doppler size Coupling gel

PFM1OpManualIssue5 Page 1

Safety In Use

Special Precautions

Your PFM1 Antenatal Cardiotocograph has been designed for
electrical safety. All the safety and operating instructions should be
read before operating the PFM1. Failure to do so could result in
injury to the user, patient, or damage to the system and accessories.

Electrical Shock Hazard

l Do not defeat the grounding integrity of this system. Protection against electrical shock,

in the event of failure of basic insulation, is provided by the connection of the chassis to
the safety ground. Safety grounding occurs only when the 3-wire cable and plug provided
with the system are connected to a properly grounded receptacle.

l Do not remove the system cover. The system should be serviced by trained and qualified

personnel only. Contacting the hazardous voltages within the system could cause
serious injury.

l Do not use the system if the power cord has any cuts or openings.
l Do not use the transducer if the cable has any cuts or openings.
l Do not use the transducer if the transducer face is cracked or chipped.
l Do not immerse the transducer cable connectors in any liquids.
l Should the electrical safety fuses have to be replaced, use only fuses of the same type

and rating.

Don not use this device at or close to water deliveries!

Explosion Hazard

Do not operate or use this system in the presence of flammable

anesthetics or gases as it could lead to explosion.

PFM1OpManualIssue5 Page 2

Safety In Use

Handling the Delicate Transducers

The transducers are delicate parts of the ultrasound system and
should be treated with care. The delicate crystals in the transducer
may crack and render the transducer unusable if the transducer is
subject to shock. Room temperature liquids should be used for
cleaning. Never use alcohol or mineral oil as an acoustic coupling
agent as transducer or cable damage could occur.

Symbols Used

The following symbols are used on the PFM1 and are in accordance
with BS EN60601-1-1990.
Where they are associated with the connection of external
equipment, that equipment must meet the relevant safety standards
in all cases.

Alternating current

Associated with power on indicator

Type B Equipment
Unit classification

Off (power: disconnection from the mains)

On (power: connection to the mains)

Attention, consult accompanying documents.
Associated with auxiliary connections see
operating instructions.

Dangerous voltage.

Associated with components internal to the PFM1.

PFM1OpManualIssue5 Page 3

Parts and Their Functions

audio volume level, or in configuration

PFM1 Front Panel Controls

The front panel control area contains 6 buttons used to control the operation
of the unit, they are all indicated by icons to aid language variations.

Event Mark 1.
Places arrow in
upper portion of
chart

Recorder On/Off and Speed Change

Event Mark 1

Volume Up

Volume Down

This button is used to decrease the

mode to change user operations.
US1 / US1 Transducer Select and Twins trace mode.

Toco Zero

This button is used to control the operation of the recorder. Press once and
the chart recorder will start, each consecutive short press will change the
speed . Pressing and holding the button down will stop the recording.

Places an event mark arrow at the top of the FHR scale .

This button is used to increase the audio volume level, or in configuration
mode to change user options.

Pressing this button changes the selected probe from US1 to US2 for volume
output. This is used when the unit is in twins mode with two US channels for
listening to either of the two fetuses. If this button is held the trace format will
change into two separate trac es for twins monitoring, this mode is reset when
the units power is removed.

This button zeros the Toco trace to the selected baseline.

Recorder On /
Off and speed
control

Volume Up

Volume Down

Select ultrasound channel
for audio output and twins
split trace.

Mains “ON”
indicator

Toco Zero.
Sets Toco channel
to preset baseline
value.

PFM1OpManualIssue5 Page 4