Mizuho SPL-331 User manual

Operating Table SPL-331
Operator’s Manual
MES-CK08-010-93EN Ver.6 2021-04-07
The operating table is designed to support a patient during surgical procedures. Using it for
other purposes may result in damage or injury.
The operator and the person in charge of the maintenance of this operating table must
read this Operating Table Operator’s Manual carefully and understand the contents before
operating, inspecting, adjusting, or servicing the table.
Keep this Manual where it is readily accessible for reference by those concerned in case of need.

Table of contents
1
1
2
3
7
9
10
11
12
13
15
16
17
19
22
23
29
31
31
32
33
34
1
3
9
10
29
33
36
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This manual
Intended use and this product
Accessories
Read thoroughly before using
Labeling
Main unit
Changing the tabletop height
Tilting the tabletop laterally
Trendelenburg
Bending the back plate
Flexing the tabletop
Adjusting the head plate
Adjusting the leg plate
Rotating the tabletop
Accessories
Inspection before and after use
Periodic replacement parts
In case of malfunction
Warranty
External view
Fixing and unfixing the operating table
Specification table
1.1
1.2
1.3
2.1
2.2
3.1
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
4.10
5.1
5.2
5.3
5.4
6.1
6.2
Introduction
Safety precaution
Section Introduction
Operation
Maintenance and inspection
Glossary
Specification
1
2.
3.
4.
5.
6.
App.

1Introduction
1.1 This manual
1.2 Intended use and this product
1
1
Introduction
WARNING
CAUTION
NOTE
Before operating this product, read this manual thoroughly to understand how to operate and inspect the
product.
Failure to follow these instructions could lead to serious injury.
The safety information is categorized as per the following so that the contents of warnings and cautions, and
the details of warnings and cautions which are labeled on the product may be comprehended.
If this indication is ignored and the product is incorrectly used, serious injury or
death may result.
If this indication is ignored and the product is incorrectly used, serious injury and/or
damage to property may result.
This notice notes additional information on the product’s functions.
The warning and caution notices on this manual relating to operating and inspecting, apply to the intended
use (surgical operations) of this product.
If the product is used for purposes other than surgery, the user is responsible in regard to safety for
performing operations and inspections which are not contained in this manual.
This product is to be used by health care professionals, including but not limited to surgeons, nurses and
biomedical technicians.
This product is an operating table on which a patient is placed for surgical operations.
The product is intended to support a patient during surgical operations.
In conforming with the objectives of surgery, the product is equipped with features for adjusting its height,
and for freely changing and setting the patient’s body position.
This manual contains infomation for safely and effectively using this product.

1
Introduction
1.3 Accessories
2
Standard components
Main unit
Operator’s manual
Mattresses (for head, back and seat, and legs)
Standard accessories
Anesthesia Screen L Type
with Clamp
Standard Armboard
and Pad for Armboard Shoulder Supports
Foot RestsKnee CrutchesChest & Waist Support

3
2
Safety precaution
2. Safety precaution
2.1 Read thoroughly before using
WARNING
CAUTION
CAUTION
Never perform the following when you use the product.
Any serious incident that has occurred in relation to the device should be reported to the manufacturer and
the competent authority in which the user and / or patient is established.
(1)
(2)
(3)
(4)
(1) Head plate or leg plate
Do not sit on the head plate or the leg plate(s).
It could cause a person to tumble down and get injured.
Before lowering the tabletop or placing it in a reverse
Trendelenburg position, check if there are any devices
under the leg plates.
If the leg plates come in contact with such devices and
excessive force is applied to the leg plates, the leg
plates may be damaged.
When transferring a patient from the bed (Fig a) or changing a patient’s body position
(Fig b), do not apply excessive force on the head plate or leg plate.
The operating table may get deformed or damaged.
Fig. a Fig. b
Head plate Leg plate Head plate Leg plate

2
Safety precaution
CAUTION
WARNING
WARNING
WARNING
CAUTION
4
(2)
(3)
(4)
1.
2.
3.
Uneven floor Pad
Handle
Head plate
Patient's position during surgical operation
Operating handle
Base
Installation of the operating table
When operating the operating handle, do not hit
your hand against the head plate. Otherwise you
may get injured.
If the operation handle can no longer be rotated (at the limit position), do not force
rotating it. The operating table may get damaged.
Do not place any objects on the base. An object may
get caught and the operating table may get damaged.
If the elevation pedal can no longer be treaded on (at
the limit position), do not force treading on it. The
operating table may get damaged.
Do not install the operating
Do not place a pad under the
base for raising the operating
table. The operating table may
tip over resulting in injury.
table on an unevev floor.
Make sure to always securely attach the mattresses to the operating table so that
Position the patient's body 10 mm (0.39 in) or more away from the metal side rail. The
side rail may produce high temperatures due to the usage of electric scalpels, etc.,
which may result in a burn injury.
they do not come off.
The mattresses may come off, and the patient may get injured.
Positioning the patient
Follow the steps below to position the patient.
Attach the accessory mattress onto the tabletop with their Velcro fastenings aligned
with each other.
Put the patient on the mattresses.
Position the patient according to the purpose of the surgical operation.

WARNING
2
Safety precaution
5
Prohibited
Do not disassemble and/or modify the operating table. Otherwise, malfunction may
occur.
Patient position
When using the tabletop or accessories to secure a patient’s body position, always
observe the patient’s condition.
Being in the same position for long periods of time causes neuroparalysis or
bedsores.
Allowable patient body weight
Do not apply loads which exceed the allowable patient body weight (total of the
patient and accessories)*. The operating table may not function, which may result
in failures.
* Lift: 135 kg (300 lbs) / Lateral tilt and Trendelenburg: 135 kg (300 lbs)
Preventive maintenance and inspections
Make sure to inspect and maintain the operating table before and after use. The
deterioration, and/or breakage depending on the length of service and frequency of
use.
For preventive maintenance and inspections, contact your distributor or Mizuho
directly.
Antistatic measure
possess static electricity countermeasures. This may impede surgical operations.
Other
operating table may require replacement of the parts due to significant wear,
Do not use the operating table on floors and/or with accessories that do not

CAUTION
2
Safety precaution
*
6
Devices and accessories used together with this product
Before using other devices or accessories, thoroughly read the instruction manual
While operating the operating table, check the position of other devices or the
accessories used with them. They may come in contact with each other during the
operation, operating table, devices, and/or accessories may get damaged.
For hygiene, be sure to use sterilized drapes on the areas on this product where
the patient comes into contact with it.
Cleaning and disinfection
After using the operating table, make sure to follow the steps below to clean up
and disinfect the operating table.
upper, side, and back side of the mattresses.
Make sure to use Mizuho authorized disinfectants. The disinfectants are as shown below.
Moving and transporting
Do not move the operating table with a patient on it.
Follow the procedures below to move the operating table.
Before moving the operating table, disinfect the entire operating table in order to
prevent infection.
2. Unlock the brakes, and move the operating table.
* Do not move the operating table by pulling on the head plate or leg plate.
* Do not move the operating table by holding onto the operating handles (right and left).
The operating table should be transported with the following conditions met.
Disinfect the entire operating table before transporting it.
Take measures to prevent it from tipping over, such as lowering the tabletop to
the bottom position.
Actuate the brake.
Suitably position cushioning on the product to prevent it from getting damaged
during transport.
Store the product in a container so that it does not get exposed to dust, and the weather.
Disposal
All components must be disposed of in accordance with local regulations. Please contact
your local distributor for proper disposal.
1.
1.
2.
3.
4.
5.
a)
b)
c)
d)
e)
f)
g)
h)
i)
Sodium hypochlorite 0.1% (halogen containing compound)
Hypo Alcohol (iodine color removing agent)
Chlorhexidine (chlorhexidine gluconate 0.5%)
Benzalkonium chloride (invert soap 10%)
Povidone iodine
Ethanol 80%
Hydrogen peroxide
Saline (0.9%)
Isopropyl alcohol (IPA)
of the devices and make sure that the operating table is not affected adversely.
Before fitting on accessories from third party companies, contact your distributor or
Mizuho. Some accessories cannot be fitted on.
Use a lint-free cloth soaked with proper volume of disinfectant to wipe off the
Wipe off the operating table with a clean dry cloth 15 minutes after disinfecting it.
Check if the handles and levers are in fixed positions, and each section is fixed firmly.
As with step 2, disinfect the surfaces of the tables and side rails.
Detach all the mattresses from the operating table.1.
2.
3.
4.

2
Safety precaution
2.2 Labeling
7
YYYY-MM-DD
The operating table is labeled at the locations shown as below. Before use, make sure to understand the
contents of the labels.
Labels
(1)
(2)
(3) (4)
(5)*
(6)*
(7)
(8)
(9)
(10)
*: Applied on both sides.
(1) C650311□(2) C650312□(3) C600219□
(5) C650307□
(4) C600218□
(6) C600516□(7) C655611□(8) C610501□
(9) C642002□(10) C630053□

8
2
Safety precaution
Symbol Description Label no.
Symbol mark for labeling
General warning sign (WARNING, CAUTION) (7)
Refer to the operator’s manual (9)
Indicates waste disposal information (9)
Catalogue Number (9)
Serial number (9)
European authorized representative (9)
Manufacturer (9)
Medical Device (9)

9
3
Section Introduction
3. Section Introduction
3.1 Main unit
Head plate
fixing handle
Head plate
flexing lever
Leg plate fixing handle
Side box
Leg plate flexing lever
Operating handle: right
· Trendelenburg
· Lateral tilt
Operating handle: left
· Back plate bending
· Flexing
Table fixing handle
Brake pedal
Elevation pedal
Side rail
Mattresses
Brake
Column
Roller box Caster
*1: The head plate and the leg plates are detachable.
Head plate (*1) Back plate
Seat plate
Leg plate (*1)

4. Operation
4.1 Fixing and unfixing the operating table
4
Operation
WARNING
WARNING
10
1.
1.
Fixing the operating table
After activating the brake, check that the operating
Tread on the brake pedal, and hook it on the pedal catch.
The brake will actuate and the operating table will be locked.
The patient may fall from the operating table.
Tread on the pedal, and move it to outside.
The brake of the operating table will be unlocked.
Unfixing the operating table
table is fixed securely.
Do not unfix the operating table with a patient on it.

CAUTION
4.2 Changing the tabletop height
4
Operation
NOTE
NOTE
11
1010 mm
(39.76 in)
770 mm
(30.31 in)
1.
1.
Do not lower the table with the leg plates bent 90°.
The tips of the leg plates may come in contact with the
When moving down the tabletop with the leg plate
bent, do not operate it until the tip of the leg plate
Moving up the tabletop
Tread on the UP side of the elevation pedal.
When the elevation pedal is treaded on, the tabletop will move up.
When the maximum height is reached, the raising operation will come
to a stop.
Moving down the tabletop
Tread on the DOWN side of the elevation pedal.
The tabletop will move down.
When the minimum height is reached, the lowering operation will come
to a stop.
Leg plate
The maximum height from
upper surface is 1010 mm
(39.76 in).
While treading on the UP
side of the elevation pedal,
the moving up operation
works. Once the elevation
pedal is released, the
tabletop will stop at that
position.
The minimum height from
upper surface is 770 mm
(30.31 in).
While treading on the
DOWN side of the elevation
pedal, the moving down
operation works. Once the
elevation pedal is released,
the tabletop will stop at that
position.
Move up
Move down
floor and get damaged.
contact the floor, It may get damaged.
the floor to the tabletop
the floor to the tabletop

4.3 Tilting the tabletop laterally
4
Operation
WARNING
NOTE
NOTE
12
1.
1.
Right down
Operating handle: right
Left down
Operating handle: right
The maximum angle achieved
in the right down position is
20° from the level position.
The maximum angle
achieved in the left down
position is 20° from the level
position.
Tilting to the left
Push the right operating handle and turn it to the left.
The tabletop tilts to the left in the view from the head side.
When you tilt the tabletop laterally with a patient on the operating table, make sure to
The patient may fall from the operating table.
Tilting to the right
Push the right operating handle and turn it to the right.
The tabletop tilts to the right in the view from the head side.
use the fixture for the accessory of the Mizuho operating table.
20°
20°
20°
20°

4.4 Trendelenburg
WARNING
CAUTION
NOTE
4
Operation
13
When you operate the Trendelenburg operation with a patient on the operating table,
The patient may fall from the operating table.
Reverse Trendelenburg (Head up)
When performing the head down operation, be
careful that the head plate tip does not contact the
Do not operate reverse Trendelenburg position with
the leg plate bent.
The tip of the leg plate may come contact with the
Pull the right operating handle and turn it to the left.
The tabletop moves to the head up position.
Operating handle: right
The maximum angle of head
up is 25° from the level
position.
Head up position
make sure to use the fixture for the accessory of the Mizuho operating table.
floor. It may get damaged.
floor and get damaged.
1.
25°
25°

NOTE
NOTE
WARNING
4
Operation
14
Trendelenburg (Head down)
When operating the operating handles, do not hit
your hand against the elevation pedal. Otherwise you
may get injured.
Pull the right operating handle and turn it to the right.
The tabletop moves to the head down position.
1.
The maximum angle of head
down is 25° from the level
position.
By tilting the UP side
elevation pedal towards the
operating table’s main unit,
the right operating handle
can be operated without it
being an interference.
25°
25°
Head down position
Operating handle: right
Elevation pedal

4.5 Bending the back plate
4
Operation
WARNING
NOTE
NOTE
15
90°
12°
Head plate
Handle
Back plate
Seat plate Side frame
Seat plate
The maximum angle achieved
in the back plate down position
is 12° from the level position.
(N.b.: The side box is leveled,
and the head plate is removed.)
Keep your hands away from the following
gap during the operation of the table.
Otherwise you may get injured.
Gap between the back plate and seat
plate
Gap between the side frame and seat
plate
When operating the operating handle, do
not hit your hand against the head plate.
Otherwise you may get injured.
Moving up the back plate
Pull the left operating handle and turn it to the right.
The back plate moves up.
The maximum angle
achieved in the back plate
up position is 90° from the
level position.
Operating handle: left
1.
1.
Moving down the back plate
Pull the left operating handle and turn it to the left.
The back plate moves down.
Operating handle: left

WARNING
CAUTION
4
Operation
4.6 Flexing the tabletop
16
Operating handle: left
Keep your hands away from the following
gaps during the operation of the table.
Otherwise you may get injured.
Gap between the back plate and seat
plate
Gap between the side frame and seat
plate
When operating the operating handle, do
not hit your hand against the head plate.
Otherwise you may get injured.
Flexing the tabletop
get damaged.
Pull the left operating handle and turn it to the right.
The back plate bends downward and the seat plate turns to the
reverse Trendelenburg position.
Returning the tabletop to level position
Push the left operating handle and turn it to the left.
The back plate and seat plate will return to the level position.
1.
1.
Back plate
Seat plate Side frame
Seat plate
Head plate
Handle
Flexing
Operating handle: left
Do not flex with the leg plates bent.
The leg plates may come in contact with the floor and

4
Operation
4.7 Adjusting the head plate
17
NOTE
WARNING
The head plate weighs 4 kg (8.8 lbs). Pay special attention when handling it.
It may drop and cause damage or injury.
Bending the head plate
The head plate can be bent upward and downward. When When bending the head
plate upward, it can be
bent by lifting it up without
having to be pulled.
1.
Detaching the head plate
lower side of the back plate.
1.
2.
Head plate flexing lever
Head plate fixing handle
Back plate
Head plate
The head plate can be bent in 15°increments, to 2 different positions upward (maximum30°) and to 6
different positions downward (maximum90°). The head plate can also be detached.
Pull the head plate flexing lever toward the head direction.
releasing the lever, the head plate is fixed in that position.
Loosen the two head plate fixing handles located on the
Hold the both sides of the head plate firmly and pull straight.
the head plate flexing lever

WARNING
CAUTION
4
Operation
18
Attaching the head plate
securely.
If the head plate moves with the handles in a loosened
state, the patient may get injured.
Be sure to insert the head plate into the back plate.
If the operating table is used with the head plate
inserted incompletely, it may get damaged.
Do not move the operating table by pulling on the
damage or injury.
the back plate, and insert.
After checking that the head plate is completely inserted,
lower side of the back plate.
Head plate fixing handle Head plate
Back plate
1.
2.
Make sure to tighten the head plate fixing handles
head plate. The head plate may come off and cause
insertion shaft of the head plate with the reception hole in
Hold the both sides of the head plate firmly and align the
tighten the two head plate fixing handles located on the