Bowa Lotus User manual

EXPLANATION OF SYMBOLS
SYMBOLS DESCRIPTION OF SYMBOLS MEANING ACTION REQUIRED
Transducer symbol
not illuminated.
Transducer has reached
the end of its operating
lifetime.
Transducer must be
replaced.
Transducer symbol
lights up briefly.
Transducer has been
recognised.
Transducer symbol is
continually illuminated.
Transducer must be
serviced after the
operation.
Return the decontaminated
transducer for servicing.
Transducer symbol lights
up when the activation
button is depressed.
Unit activated, instrument
in use.
Only the “L” LED is
illuminated.
Before initialisation the
generator is in standby
mode.
Briefly press the Power
Select button to begin.
LOW
“LOW” illuminated. The unit is switched to the
LOW power setting.
Switch between the HIGH
and LOW power setting
using the Power Select
button.
HIGH
“HIGH” illuminated. The unit is switched to the
HIGH power setting.
Switch between the HIGH
and LOW power setting
using the Power Select
button.
SYMBOLS DESCRIPTION OF SYMBOLS MEANING ACTION REQUIRED
RELEASE and SWITCH
warning symbols
illuminated.
- Power Select button
or activation button is
being pressed during
initialisation.
- Power Select button
remains depressed after
the power setting has
been changed.
Release the Power Select
button. The generator will
automatically restart.
RELEASE and SWITCH
warning symbols as well
as Handpiece and Clock
symbols illuminated.
The handpiece has been
used for longer than
25 seconds in a single
activation. The unit has
paused for safety.
Release the activation
button. The generator will
automatically restart.
Warning, ALLOW TO
COOL, Thermometer
and Transducer symbols
illuminated.
The transducer or the
waveguide is getting
warm.
- Remove transducer from
handpiece and wipe off
using a damp swab to
cool instantly.
- Transducer may be
defective or damaged
and must be replaced.
Warning symbol,
RELEASE JAW symbol
and Transducer symbol
illuminated.
Handpiece being
gripped too tightly.
Release handpiece trigger
and activation button.
The generator will
automatically reset in
1–2 seconds.
Warning symbol, Clock
symbol, FINAL SURGERY
and Transducer symbol
illuminated.
The transducer has
reached more than 98 %
of its operating lifetime.
The operation in progress
can be completed.
After the transducer
is unplugged from the
generator, it will be
disabled and can no
longer be used.
Warning symbol, Clock
symbol, DO NOT USE
and Transducer symbol
illuminated.
After the “FINAL SURGERY”
symbol was illuminated,
the transducer was
mistakenly reapplied and
connected. The transducer
can no longer be used.
Please replace the
transducer.
TORSIONAL ULTRASONIC SCALPEL
BOWA-POS-11935-LOTUS-2019-01-22-EN Printed in Germany We reserve the right to make technical and structural amendments Copyright of BOWA-electronic, Gomaringen
BOWA-electronic GmbH & Co. KG
Heinrich-Hertz-Strasse 4 – 10
72810 Gomaringen I Germany
Phone [phone]
Fax [phone]
[email protected] I bowa-medical.com
SRA Developments Ltd
a BOWA-electronic GmbH & Co. KG company
Bremridge House, Bremridge,
Ashburton, Devon, TQ13 7JX, UK
CONTRAINDICATIONS AND WARNINGS: For a full list of warnings, indications and contraindications for use, please refer to the full User Manual, a copy of which was supplied with the equipment.

SYSTEM OVERVIEW
GENERATOR
Torsional
transducer
Handpiece
Power select
button
Activation
button
LOTUS Series 4
generator
SET-UP OF HANDPIECE AND TRANSDUCER
Rotate the coloured fin on the
rotation wheel to 12 o’clock.
Ensure the coloured dot on the
transducer is aligned with the
coloured fin of the rotation
wheel.
Ensure that the jaw is in the
open position and then push
the transducer and handpiece
together.
Coloured dot on the transducer is
aligned with coloured fin
of the rotation wheel
Coloured fin on the
rotation wheel
at 12 o’clock
Open jaw
Open the jaw by releasing
the spring loaded trigger.
To remove the end cap, hold the
ribbed area of the connector cap
between thumb and forefinger and
pull back the ribbed sleeve of the
cap.
Do not remove the end cap until it
has been passed out of the sterile
field.
Align the red dot on the connector
with the red dot on the generator
cable socket and push together.
To remove the connector, pull back
the ribbed sleeve of the connector
in the same way.
Power select
button
Activation
button
Handpiece
Simple plug and
play set-up
LOTUS torsional transducer
Tool-less instrument
assembly
Power Select button
To start using the device, first press the Power
Select button. The system will be initialised on
LOW power. To switch to HIGH power press the
Power Select button again.
HIGH
LOW
When the activation button is depressed, the
transducer symbol on the generator lights up.
To engage the cable,
align the coloured dots
on the connector and
the generator and push
to insert.
CLEANING IN THE STERILE FIELD
1. Mild debris
2. Heavy debris
3. Hardened debris
Clean the transducer’s waveguide and the jaw of the hand-
piece with a damp swab. Remove the transducer from the
handpiece if required.
METAL
DEVICE COMPATIBILITY
L
LOTUS
dissecting shears
L
TYPE L REF
Open surgery 200,
curved jaw 176 mm
Handpiece
(disposable, 10 per package) DS4-200CD
Transducer (reusable) ES4-200CT*
Laparoscopy 400,
curved jaw 349 mm
Handpiece
(disposable, 10 per package) DS4-400CD
Transducer (reusable) ES4-400CT*
Bariatric surgery 500,
curved jaw 434 mm
Handpiece
(disposable, 10 per package) DS4-500CD
Transducer (reusable) ES4-500CT*
*only for LG4 Series 4 generators with software version Issue 6 or later.
TORSIONAL ULTRASONIC SCALPEL
IMPORTANT: Avoid using metal objects to clean debris from
the waveguide as this may cause scratches and other damage.
WE RECOMMEND AVOIDING ALL METAL ON METAL
CONTACT WITH THE WAVEGUIDE INCLUDING CUTTING
CLIPS AND TOUCHING GRASPERS ETC.
Remove the transducer from the handpiece. Clean the trans-
ducer’s waveguide with a damp swab. Debris around the
handpiece jaw mechanism can be removed using forceps or a
damp swab as required. Take care not to damage the jaw of
the handpiece by using excess force or bending it.
Submerge the instrument in water or saline and depress the
activation button. To remove remaining debris, wipe off the
transducer’s waveguide and the jaw of the handpiece with a
damp swab afterwards.
TYPE L REF
Open surgery 200,
straight jaw 176 mm
Handpiece
(disposable, 10 per package) LR4-200SD
Transducer (reusable) LR3-200
Laparoscopy 400,
straight jaw 349 mm
Handpiece
(disposable, 10 per package) LR4-400SD
Transducer (reusable) LR3-400
LOTUS
liver resector