Mizuho MST-7300B User manual

Microsurgery Operating Table Operator's Manual
MST-7300B
MST-7300BX
This operating table is designed for medical operations. Using this operating table for any
other purpose other than this intended use may cause serious injury.
The operator and the person in charge of the maintenance of this operating table must read
this operator's manual thoroughly and understand the contents before operating, inspecting,
adjusting and maintaining it.
Keep this manual for reference in a place where is readily accessible.
MES-CK18-350-10EN Ver.6 2021-10-01

Table of contents
1. Introduction ………………………………………………………… 1
1.1 This manual ……………………………………………………………………… 1
1.2 Intended use and this product ………………………………………………… 1
1.3 Operation of this product ……………………………………………………… 2
1.4 Accessories ……………………………………………………………………… 2
2. Safety precaution ………………………………………………… 4
2.1 Read thoroughly before using ………………………………………………… 4
2.2 Labeling ………………………………………………………………………… 9
3. Section Introduction ………………………………………………13
3.1 Main unit …………………………………………………………………………13
3.2 Touch screen...……………………………………………………………………14
3.3 Control unit ………………………………………………………………………19
3.4 Foot switch (optional) ……………………………………………………………21
4. Installation …………………………………………………………22
4.1 Installation of the operating table ………………………………………………22
4.2 Attaching/Detaching the control unit …………………………………………23
4.3 Turning on/off the power ………………………………………………………26
4.4 Charging the battery ……………………………………………………………30
5. Settings ………………………………………………………………31
5.1 Setting the pause functions at the level and center positions ………………31
5.2 Changing the movement of the lateral tilt (MST-7300BX only) ……………32
5.3 Activating buzzer at limit of travel………………………………………………34
5.4 Switching speed …………………………………………………………………36

6. Operation ……………………………………………………………37
6.1 Display the monitor………………………………………………………………37
6.2 Operating the emergency stop switch…………………………………………38
6.3 Fixingandunxingtheoperatingtable ………………………………………39
6.4 Tilting the tabletop laterally ……………………………………………………40
6.5 Trendelenburg ……………………………………………………………………41
6.6 Bending the back plate …………………………………………………………43
6.7 Bending the leg plate ……………………………………………………………45
6.8 Changing the tabletop height …………………………………………………46
6.9 Sliding the tabletop (MST-7300BX only) ………………………………………48
6.10 Operating/Registering memory…….…………………………….……………..50
6.11 Checking the current position of the tabletop…………………………………54
6.12 Returning to level ………………………………………………………………55
6.13 Adjusting the head plate ………………………………………………………56
6.14 Attaching/detaching the auxiliary back plate …………………………………59
6.15 Attaching/detaching the back plate ……………………………………………61
6.16 Attaching/detaching the leg plate………………………………………………63
7. Maintenance and inspection ……………………………………65
7.1 Inspection before and after use ………………………………………………65
7.2 Periodic replacement parts ……………………………………………………67
7.3 Version information of the software ……………………………………………67
8. Specication ………………………………………………………68
8.1 Specicationtable ………………………………………………………………68
8.2 External view ……………………………………………………………………72
9. Troubleshooting ……………………………………………………73
10. Before contacting for repairs ……………………………………80
App.-1 Electromagnetic compatibility…………………………………84
App.-2 Glossary……………………………………………………………88

1
1
Introduction
1. Introduction
1.1 This manual
This manual contains information for safely and effectively using this product.
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.
WARNING
If this indication is ignored and the product is incorrectly used, serious injury or
death may result.
CAUTION
If this indication is ignored and the product is incorrectly used, serious injury and/or
damage to property may result.
NOTE
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.
1.2 Intended use and this product
 Operating table
This product is an operating table on which a patient is placed for surgical operations.
The product is intended to support a patient during neurosurgical 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.
The product uses both medical grade outlets and batteries as power sources.
This product is to be used by health care professionals, including but not limited to surgeons, nurses and
biomedical technicians.
Touch screen
This product is provided with a touch screen. The touch screen displays a status of the operating table and
its error status. For the details of the touch screen, refer to Page 14.

2
1
Introduction
1.3 Operation of this product
The description of the operations written in this manual focuses mainly on those to be done by the
control unit. For some operations operable only by the touch screen, however, those by the touch screen
are described.
The pictures of the control unit which are depicted in this manual are using the MST-7300BX.
1.4 Accessories
 Standard components and accessories
Mattresses
(for head plate, auxiliary back plate, back plate, seat plate, and leg plate)
Control unit
Main unit
Operator's manual
Power cord

3
1
Introduction
 Optional
Foot switch Control unit charging adapter

4
2
Safety precaution
2. Safety precaution
2.1 Read thoroughly before using
Never perform the following when you use the product.
Otherwise,damagetotheoperatingtable,electricalshock,and/orremayoccur.
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)
(6)
(4)
(3)
(2)
(5)
(1) Head plate and leg plate
WARNING
Do not step or sit on the head plate or the leg plate(s).
The operating table may tip over resulting in injury.
CAUTION
•Before lowering the table or placing it in a reverse
Trendelenburg position, check if there are any devices
under the leg plate.
If the leg plate comes in contact with devices that
are to be subjected to excessive force, the leg plate
insertion shaft may be damaged.
•When the operating table is put into the Trendelenburg
or the back plate/tabletop is moved down with any
accessory such as a head frame attached, do not
operate the table until the accessory contacts with the
oor.Itmaygetdamaged.

5
2
Safety precaution
CAUTION
When transferring a patient from an operating table (Fig. a) or changing a patient’s
body position (Fig. b), do not apply excessive force to the head plate or leg plate.
The operating table may get deformed or damaged.
Fig. a
Head plate Leg plate
Fig. b
Head plate Leg plate
(2) Touch screen
CAUTION
•Do not push the touch screen by any sharps such as a pen and a screw driver. The
touch screen may get damaged.
•Do not apply great impact or pressure to the touch screen. The touch screen may
get damaged.
•Do not use organic solvents such as paint thinner to wipe the display and the
protective cover. They may get damaged. To wipe the display and the protective
cover, use a natural detergent diluted with water.
• Thetouchscreendoesnotacceptsimultaneousmultiple-keypressingand flicking
operations. When operating the touch screen, press the switch one by one.
(3) Power cord
WARNING
•Do not place any heavy objects on the power cord.
•Do not roll over the power cord with a castered device.
•Do not forcibly pull the power cord.
•Do not place any objects in the place where the power
cord is to be unplugged from the medical grade outlet,
which would obstruct it from being unplugged. Power cord
(4) Installation of the operating table
WARNING
•Do not install the operating table
onanunevenoor(morethan5°).
•Do not place a pad under the
base for raising the operating
table. The operating table may tip
over resulting in injury.
Uneven floor Pad
(5) Base
CAUTION
Do not place any objects on the base. An object may get caught and the operating
table may get damaged.
(6) Control unit
CAUTION
•Do not forcibly pull the control unit cord.
•Do not subject the control unit to strong shocks. The control unit may get
damaged.

6
2
Safety precaution
 Patient's position during surgical operation
WARNING
• Make sure to always securely attach the mattresses to the operating table so that
they do not come off.
The mattresses may come off, and the patient may get injured.
• 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.
z Positioning the patient
Follow the steps below to position the patient.
1. Attach the accessory mattress onto the tabletop with their Velcro fastenings aligned
with each other.
2. Put the patient on the mattresses. (Do not reverse the head side and the leg side and put
the patient on them.)
3. Position the patient according to the purpose of the surgical operation.
CAUTION
Have the person who operates the operating
table to operate it in a position where the
emergency stop switch can be immediately
pressed, and the patient’s condition can
constantly observed.
180°
Head plate
Patient’s
head
Operator position
 Other
WARNING
●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.
●Other medical electrical equipment to be used together with the operating table
• Whenusingahigh-frequencysurgicalequipmentand/oracardiacdebrillator
etc. with the operating table, refer to their operator's manual provided by the
manufacturers and observe the precautions and usage. Improper precautions
and usage may cause the operator or the patient to get burned and/or devices to
malfunction.
• When using medical electrical equipment etc. with the operating table, check
that the operating table does not malfunction before using it. Electromagnetic
interference may result in malfunctioning of the operating table.
●Allowable patient body weight
• Do not apply loads which exceed allowable patient body weight (total of the patient
and accessories)*. The operating table may not function, which may result in
failures.
* 360 kg (800 lbs)

7
2
Safety precaution
WARNING
●Preventive maintenance and inspections
• Make sure to inspect and maintain the operating table before and after use. The
operatingtablemayrequirereplacementofthepartsduetosignicantwear,
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
• Donotusetheoperatingtableonoorsand/orwithaccessoriesthatdonot
possess static electricity countermeasures. This may impede surgical operations.
CAUTION
●Devices and accessories used together with this product
• Before using other devices or accessories, thoroughly read the instruction manual
of the devices and make sure that the operating table is not affected adversely.
Beforettingonaccessoriesfromthirdpartycompanies,contactyourdistributoror
Mizuho.Someaccessoriescannotbettedon.
• 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.
1. Turn off the power and disconnect the power cord from the medical grade outlet.
2. Detach all the mattresses from the operating table.
3. Use a lint-free cloth soaked with proper volume of disinfectant to wipe off the
upper, side, and back side of the mattresses.
4. As with step 3, disinfect the surfaces of the tables and side rails.
5. Wipe off the operating table with a clean dry cloth 15 minutes after disinfecting it.
• Make sure to use Mizuho authorized disinfectants. The disinfectants are as shown
below.
a) Sodium hypochlorite 0.1% (halogen containing compound)
b) Hypo Alcohol (iodine color removing agent)
c) Chlorhexidine (chlorhexidine gluconate 0.5%)
d)
Benzalkonium chloride (invert soap 10%)
e) Povidone iodine
f) Ethanol 80%
g) Hydrogen peroxide
h) Saline (0.9%)
i) Isopropyl alcohol (IPA)

8
2
Safety precaution
CAUTION
●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.
1. Turn off the power and disconnect the power cord from the medical grade outlet.
2.Checkifthehandlesandleversareinxedpositions,andeachsectionisxed
rmly.
3. Unlock the brakes, and move the operating table.
* Do not move the operating table by pulling on the head plate or leg plate.
• The operating table should be transported with the following conditions met.
1.Disinfect the entire operating table before transporting it.
2.Take measures to prevent it from tipping over, such as lowering the tabletop to
the bottom position.
3.Actuate the brake.
4.Suitably position cushioning on the product to prevent it from getting damaged
during transport.
5.Store the product in a container so that it does not get exposed to dust, and the
weather.
●Disposal
• In accordance with the European Union Waste Electrical and Electronic Equipment
(WEEE) Directive, all electrical components and batteries must be disposed of in
accordance with local regulations. Please contact your local distributor for proper
disposal.

9
2
Safety precaution
2.2 Labeling
The operating table is labeled at the locations shown as below. Before use, make sure to understand the
contents of the labels.
 Warning and Caution labels
(1)
(3)
(7) (8)
(9)
(2)
(6) (5)
(4)
(1) C643013(4) C657312(2) C643012(3) C657332
(5) C656740(6) C657331
(7) C655803
(9) C653624
(8) C657333

10
2
Safety precaution
 Other labels (1/2)
(12)
(10)
(11)
(13)
(14)
(19)
(20)
(21)
(23) (22)
(15)
(14)
(16)(17)
(18)
(24)(25)
(12) C657343
(18) C657306(19) C657318(20) C655711
(22) C657311(23) C657310
(10) C657337(MST-7300BX)
(17) C657307
(21) C656741
(10) C657335(MST-7300B)
(11) C657334(MST-7300B)
(11) C657336(MST-7300BX)
(25) C657340(MST-7300B)(24) C657341(MST-7300BX)
(14) C657313(15) C657309(16) C657308
(13) C642002
YYYY-MM-DD
Made in ＊＊＊

11
2
Safety precaution
 Other labels (2/2)
(31) (32) (33) (34) (35)
(30)
(26) (27) (28) (29)
(30) (30) (30) (30)
(30) C653620
(29) C657301(ASIA)
(31) PIN 50005M2 (32) PIN 722B6M4
(33) PIN 722B6M3 (34) PIN 722B7M2 (35) PIN 722B8M2
(26) C657305(ASIA) (27) C657303(ASIA) (28) C657302(ASIA)
or
C657344(US)
or
C657348(EU)
or
C657347(US)
or
C657351(EU)
or
C657345(US)
or
C657349(EU)
or
C657346(US)
or
C657350(EU)

12
2
Safety precaution
 Symbol mark for labeling
Symbol Description Label no.
Indicates a possibility of injury or even death if operates the
table without following the warning
(1) (2) (3) (5) (6) (7)
(8) (9)
General prohibition sign (3) (5)
General mandatory action sign. (3) (5) (6)
Emergency stop (4)
Refer to the operator's manual (5) (13) (14)
Indicates AC power supply. (13) (17)
Enclosure Class (Splash-proof) (13)
Serial number (13)
Catalogue Number (13)
Indicates waste disposal information (13)
European authorized representative (13)
Manufacturer (13) (31) (32) (33)
(34) (35)
Equalization terminal (15)
Indicatesprotectionagainstelectricshockanddebrillator
(Class B) (26)
Debrillation-proofTypeBappliedpart (31) (32) (33) (34)
(35)
Medical Device (13)
USB (16)
POWER ON (18)
POWER OFF (18)

13
3
Section Introduction
3. Section Introduction
3.1 Main unit
Control unit
Back plate
attaching/detaching
lever
Auxiliary
back plate (*1) Back plate (*1) Seat plate Leg plate (*1)Head plate (*1)
Leg plate
attaching/
detaching
lever
Emergency brake
release handle
Brake lamp
Brake
Caster
Power cord
switch
Head plate
fixing handle
Auxiliary back plate
fixing handle
Mattresses
Side rail
Base
Emergency stop
Touch screen
Head plate
flexing lever
Light receiver
Power
connector
Control unit
connector
Foot switch
connector (*3)
Auxiliary
switch
Main power switch
Fig. A Fig. B Fig. C
Fig. C
Fig. B
Fig. A
Light
receiver
Equipotential
terminal
Power switch for
the touch screen
USB
terminal (*2)
*1: The head plate, auxiliary back plate, back plate, and the leg plate are detachable.
*2: The USB terminal is intended to be used for maintenance. Do not connect a device such as a personal
computer to the USB terminal.
*3: The foot switch is optional.

14
3
Section Introduction
3.2 Touch screen
 TOP PAGE screen
BACK-UP CONTROLS screen (Refer to Fig. B-1)
Select Stop at Level screen (Refer to Fig. D)
MEMORY FUNCTION screen (Refer to Fig. C)
SUPPORT screen (Refer to Fig. F)
Battery indicator
CAUTION/WARNING screen (Refer to Fig. E-1, E-2)
ISO CENTER mode (MST-7300BX only)
Fig. A (MST-7300BX)
Power source (AC/BATTERY)
Memory mode being used
Completion of memory position
Operation speed (LOW/HIGH)
Position in operation
 BACK-UP CONTROLS screen (1/2)
Current positional direction
Position
(Travel (in/mm), angle (deg))
Trendelenburg: Head down
Lateral tilt: Left down
in the view from the leg
Back plate bending: Down
Table down
Slide head
(MST-7300BX only)
Slide left
in the view from the leg
(MST-7300BX only)
Leg plate bending: Down
Page (Refer to Fig. B-2)
Fig. B-1 (MST-7300BX)
Reverse Trendelenburg: Head up
Lateral tilt: Right down
in the view from the leg
Back plate bending: Up
Table up
Slide foot
(MST-7300BX only)
Slide right
in the view from the leg
(MST-7300BX only)
Leg plate bending: Up
TOP PAGE screen

15
3
Section Introduction
 BACK-UP CONTROLS screen (2/2)
Level
Low speed
Buzzer at limit of travel
MEMORY FUNCTION
screen
Setup memory
Page
TOP PAGE screen
Brake unlock
(Tap more than 1 second)
Fig. B-2 (MST-7300BX)
High speed
ISO CENTER mode
(MST-7300BX only)
Reset memory
 MEMORY FUNCTION screen
Settings of the position
Page
TOP PAGE screen
Fig. C (MST-7300BX)
NOTE
For the details of the MEMORY FUNCTION, refer to Page 51

16
3
Section Introduction
 Select Stop at Level screen
Pause ON/OFF
TOP PAGE screen
Trendelenburg
Lateral tilt
Back plate bending
Head-to-foot slide
(MST-7300BX only)
Right-to-left slide
(MST-7300BX only)
Leg plate bending
Fig. D (MST-7300BX)
NOTE
•With the default setting, all functions are set to ON.
•For the details of the Select Stop at Level screen, refer to Page 31.