Babycare TENS OBITENS+ Instruction Manual

Suggested Electrode
Placement Chart
The sticky electrode pads need to
be placed in the correct position
for maximum pain relief. It is pref-
erable to obtain assistance from
either your birthing partner or
medical adviser when positioning
the pads. Please read the following
Bra line
instructions carefully:
1. Ensure unit remains switched
off. Carefully peel the pads from Navel line
the plastic backing using your
forefinger and thumb. Do not pull
Panty line
on the lead wires.
2. Position the top two pads
(connected to the left socket CH1)
approximately 4cm either side of
the spine and 4-5cm above the
imaginary navel line as seen in the
diagram.
Reference: Cluett E. (1994) SRN
RM ADM PGCEA. Analgesia in
3. Position the bottom two pads
Labour: A review of the TENS
(connected to the right socket
method. Professional Care of
CH2) approximately 4cm either
Mother and Child. Mar;4 (2): 50-2.
side of the spine and 4-5cm below
the imaginary navel line as seen in
the diagram.
7

Frequently Asked Questions

Troubleshooting Questions

Q When shall I start using my Q Why does the stimulation
Obi TENS+? not appear to be as strong
A Use as early as you can after after you have used the
the onset of labour to allow Obi TENS+ for a while?
time for your body's pain- A Increase the intensity, you may
killing chemicals to rise. have become used to a lower
setting.
Q Can I try the Obi TENS+
before going into labour? Q Why does the stimulation
A Yes, place 2 pads attached feel strong but ineffective?
to one leadwire on your A You may need to switch off
forearm to feel the different the unit and reposition the
pulse sensations following the electrode pads.
instructions on page 6.
Q Why does the stimulation
Q Can I combine the Obi TENS+ not feel sufficiently strong
with other medication? even on a high setting?
A Yes, you can still use analgesics A The batteries may need
such as gas and air (entinox) or replacing.
pethidine.
Q What do I do if there is no
Q Can the Obi TENS+ be used stimulation, intermittent
in hospital? stimulation, or weak
A Yes. However, a midwife stimulation felt even with
may ask you to switch it off a new battery?
temporarily. A Check electrode contact.
Check leads. Check batteries.
Q Can I use the Obi TENS+ Call our customer careline on
if I am considering a water +44 (0)208 5329 5959.
birth?
A Yes, but not in the water itself.
10

Using Your Obi TENS+

d) BURST 1 (use between
contractions): This is the
first mode that you will use.
a) You are now ready to start
It feels like a bursting, tingling
using your Obi TENS+.
sensation i.e. the pulses are
Switch the unit on by pressing
off and on periodically. This
the on/off button. The Obi
mode will help to promote
TENS+ will always start up in
those all-important natural
BURST 1 mode.
pain-killing chemicals known as
'endorphins' and 'encephalins'.
b) Begin by pressing the
CH1+ key. Each time you press
e) BOOST 1 (use during
this key, a small 'half-moon'
contractions): When
shape will appear on the
experiencing a contraction,
screen increasing in number
simply press the 'boost' button
and size as the intensity is
located on the left side below
increased. You will begin to feel
the screen. The Obi TENS+ will
a pulsating sensation which will
then switch automatically into
burst in time with the small
the BOOST 1 mode for that
arrow flashing on the screen.
extra surge of power required
Ensure that you increase the
to combat the pain during
intensity slowly.
contractions. This will feel like
a continuous sensation.
c) Repeat the previous step with
the CH2+ key. You will
f) Once the contraction has
now feel a sensation in both
passed, simply press the
sets of pads.
'BOOST' button. The Obi
TENS+ will return to the
original BURST 1 mode.
Continue this cycle during your
early stages of labour.
8

Useful Information

Post-Natal Pad Placement
Diagrams
1. Continue stimulation for as
long as necessary, unless you
KEY:
experience discomfort.
= first pair of electrodes
2. If you stimulate for a number
= second pair of electrodes
of hours ensure the pads do
N.B. Electrodes supplied with this
not become dry. If this occurs,
unit are all the same colour - the
switch off the unit, disconnect
black and white squares show
the electrodes, and apply a
suggested electrode placement only.
small drop of water to them.
3. The pads can be used several
Lower Back Pain
times. Replace the pads when
they stop sticking to the skin.
Replacement pads are available
from www.babycaretens.com.
4. Always ensure that the unit is
switched off before you remove
all the leads and pads. Do not
Period Pain
pull the wires. ALWAYS remove
the jack plug from its socket
by holding the plug between
the forefinger and thumb and
pulling gently.
5. The Obi TENS+ can also be
used as a standard TENS
Shoulder Pain and Frozen Shoulder
unit for relief of numerous
conditions, including after pains
and post operative pains. It is
worth bearing this in mind if
you have a caesarean section.
Outer and inner aspect of shoulder
Please seek medical advice first.
11
Using the Between N.B. To avoid losing contraction
Contraction Timer (BCT) timer history, do NOT switch unit off.
Remove the battereis if you wish to
reset the contraction history.
When in BURST mode, the unit
automatically measures your BCT.
The Mode Button
This appears at the bottom of
There are two modes available on
the display. When you switch to
the Obi TENS+, each with a BURST
BOOST, the last BCT will remain at
and BOOST function.
the bottom of the display. The BCT
will always refresh when re-entering
Mode 1 (Burst 1 and Boost 1),
the BURST mode from the BOOST
which has been described above, is
mode and will record the next BCT.
primarily used for the earlier stages
of labour.
N.B. The Obi TENS+ starts up in
BURST Mode. The BCT only appears
Mode 2 (Burst 2 and Boost 2) can
after one cycle of pressing the Boost
be used when your labour advances
Button on and off.
and your contractions become
more frequent.
Recalling contraction history
To recall a list of your last 5 'BCTs'
Press the Mode button to
press the CH1- and CH2-
switch between modes. You will
buttons simultaneously. The 1st
see from the User Display, that
symbol you will see is a single
the number next to the BURST or
moon which is the last BCT.
BOOST will change from 1 to 2 and
vice-versa.
Use CH2+ to reveal up to 5
BCTs . Use CH2- to
NB. Both modes are interchangeable
review more recent BCTs. Recalling
and can be used according to your
the contraction history will not
preference, not necessarily for the
disable functionality of the unit. To
stage of labour you are in. Mode 2
return to the main screen press the
can be operated in the same way
CH1- and CH2- buttons
as mode 1.
simultaneously.
9
Obi TENS+ Technical Data
Display TN type LCD
Operation Mode 4 treatment modes:
Burst 1, Burst 2, Boost 1, Boost 2
Pulse (Hz) Pulse Width (µs) Description
Frequency
Burst 1 16 150 1 Burst/sec and
8 pulses per burst
Burst 2 32 150 2 Burst/sec and
8 pulses per burst
Boost 1 80 150 Constant
Boost 2 100 150 Constant
- Output Voltage: 0 – 55V zero to peak at 500Ω load
- Output Waveform: Symmetrical biphasic rectangular
Automatic Power Off 5 Minutes
Output Channel Two Channel
Output Voltage 0 – 55V (zero-to-peak) across a 500Ω load;
adjustable in 14 steps
0 – 110 mA (max.) into a 500Ω load
Output Intensity
Output Waveform Symmetrical bi-phasic rectangle
Output Jacks CE Touch-proof jacks
Contact detection between the device and human skin
Load Detector
(This feature is activated from Level 2 and up)
Battery 2 x 1.5V AAA Battery
Battery Low Detect 2.2V ±0.2V
All output parameters are subjected to a ±20% tolerance
Tolerances
unless other specified.
Weight 52g
Size 40 x 125 x 20mm
12
Guarantee
Your Obi TENS + machine is guaranteed for a period of 1 year against
manufacturer's defects. Please record purchase details in the space
provided below for your record purposes. The guarantee does not
include leads, electrodes or battery. Applies to purchases only.
Date of purchase:
Invoice number:
204 2597 Cool grey 3
Distributed by
Body Clock Health Care Ltd
108 George Lane, South Woodford,
London E18 1AD
Tel (+44) (0)20 8532 9595
Fax (+44) (0)20 8532 9551
www.bodyclock.co.uk
e-mail customercare@babycaretens.com
Fuji Dynamics Ltd, Unit C,3/F, Manley Tower,
No828 Cheung Sha Wan Rd, HK 0120
Nov 2017 (2)
This manual is recyclable