Leica M500 OH3 Bedienungsanleitung
Leica M500 OH3
User manual
10 711 894 – Version -
Leica M500 OH3 / Ref. 10 711 894 / Version -
Survey of chapters
Leica M500 OH3 / Ref. 10 711 894 / Version -
Introduction 3
Operating elements 9
Preparation before surgery 12
After surgery 13
Operation 14
Accessories 31
Safety precautions 34
Care and maintenance 38
What to do if... 40
Technical data 43
1
Contents
Leica M500 OH3 / Ref. 10 711 894 / Version -
Page
Introduction
User manual 3
Product identification 3
Symbols used in this manual 3
Overview 4
Function 6
Operating elements
Leica M500 N microscope with
microscope carrier 9
Control unit 10
Footswitches 11
Mouth switch 11
Preparation before surgery
Transportation 12
Preparations before surgery 12
Performing function checks 13
Positioning at operating table 13
After surgery
Tasks to be completed after surgery 13
Operation
Setting/releasing footbrakes 14
Locking the Leica M500 OH3 14
Selecting XYZ-Free/Focus-Lock brakes 15
Balancing out the Leica M500 OH3 15
Switching on illumination 18
Switching from main illuminator to backup
illuminator 18
Setting light field diameter of illumination field and
working distance 19
Lock/release multifocal focus 19
Selecting name of operating doctor at control unit 20
Determining dioptres for users 21
Setting up eyepieces 21
Attaching protective glass to eyepiece 21
Attaching sterile operating elements 22
Operation of control unit 22
Settings at control unit 23
Controlling zoom and focus 28
Pulling in additional cables 29
Changing wheel counterweight at D axis 30
Accessories
180° dual stereo attachment 31
Binocular tube; can be tilted; with variable
viewing angles 30°–150° 31
Stereo/second-observer attachment 31
Beam splitter with counterweight 31
Video-zoom tube 32
Adapter piece for accessories of the
M 600 series 32
Beam splitter 32
Dual Imaging Color Module DI C500 32
Ultra Observer ULT500 32
Mounting accessories 33
2
Page
Safety precautions
Intended use of instrument 34
Directions for the person responsible for the
instrument 34
Directions for the user 34
Dangers of use 35
Labelling 36
Care and maintenance
Care instructions 38
Replacing lamps 38
Replacing fuses 39
Operational check 39
What to do if...?
General faults 40
TV, photography 42
Error messages at control unit 42
Technical data
Electrical data 43
Leica M500 N 43
Accessories 43
Floor stand 44
Standards 44
Environmental conditions 44
Limitations on use 44
Dimensional drawings 45
Introduction
Leica M500 OH3 / Ref. 10 711 894 / Version -
User manual
This user manual contains important safety
precautions as well as information on setting up
the instrument (see the chapter entitled «Safety
precautions»).
Before attempting to set up the product carefully
read through the user manual.
Product identification
The model and serial number of your product are located on the
identification label on the illumination unit. Copy this
information into your user manual and always refer to it if you
have questions for our representatives or service locations.
Model: Serial No.:
Symbols used in this manual
The symbols used in this user manual have the following
meaning:
Warning This indicates a potentially hazardous
situation which could result in death or
serious injury.
Caution Indicates a potentially hazardous situation
which, if not avoided, may result in minor
or moderate injury and/or appreciable
material, financial and environmental
damage. It may also be used to alert
against unsafe practices.
Important paragraphs, which must be
adhered to in practice as they enable the
product to be used in a technically-
correct and efficient manner.
Indicates that you have to do something.
➩
3
Introduction
4Leica M500 OH3 / Ref. 10 711 894 / Version -
Overview
Leica M500 OH3 surgical microscope system
1 Horizontal cable channel
2 Swing arm
3 Vertical cable channel
4 Control unit
5 Illumination unit
4
5
6
7
9
2
8
3
1
6 Footbrake
7 Foot
8 Locking knob
9 Leica M500 N microscope
Introduction
5
Leica M500 OH3 / Ref. 10 711 894 / Version -
1 Vertical arm
2 Tension rod
3 Handle
4 Footswitch holder
5 Locking knob
1
2
3
4
5
Introduction
6Leica M500 OH3 / Ref. 10 711 894 / Version -
Function
Balancing system and brakes
The Leica M500 OH3 surgical microscope consists of the Leica
M500 N surgical microscope and the Leica OH3 floor stand.
The stand and surgical microscope are balanced out by the
balancing system. All movements which must be carried out
during the surgery require only minimal force.
The AB swivel movement is balanced out via the A and B
pinion.
Movement C is balanced out at the microscope carrier.
C
BA
B
A
The internal weight of the stand balances the weight of the
surgical microscope and the fitted accessories (movement D).
D
D
Introduction
7
Leica M500 OH3 / Ref. 10 711 894 / Version -
There are 6 electromagnetic brakes on the Leica M500 OH3
surgical microscope, which block movement of the base and
surgical microscope:
• up/down and forward/backward in a parallelogram (0 and 1)
• at base (2)
• in microscope carrier (3)
• at A and B sledges of the surgical microscope (4)
• in rotatable joint (5)
5
3
4
1
0
2
Using the selector switch (Item 10, Page 10) for brakes (XYZ
FREE or FOCUS LOCK) at the control unit, two different brake
groupings can be selected.
The following movements with the surgical microscope can still
be performed if the selector switch is located in the FOCUS
LOCK position:
The following movements with the surgical microscope can be
performed if the selector switch is located in the XYZ FREE
position:
Introduction
Leica M500 OH3 / Ref. 10 711 894 / Version -8
Illumination
The illumination of the Leica M500 OH3 surgical microscope
consists of a main illuminator and a backup illuminator.
They are located in the illumination unit.
The main and backup illuminators consist of xenon lamps. The
light of the main and backup illuminators is lead to the optics
carrier via a fibre-optic cable through the base.
If the main illuminator fails, the plug of the fibre-optic cable is
switched over to the backup illumination.
1 Access hatch for lamp inserts of main and backup
illuminators
2 Regulating knob for brightness of main illuminator
3 Outlet for fibre-optic light guide of main illuminator
4 Regulating knob for brightness of backup illuminator
5 Outlet for fibre-optic light guide of backup illuminator
6 Power switch of Leica M500 OH3 surgical microscope
7 100 V/120 V/220 V/240 V switch
8 Power connection
9 Pullout fuse for power cable
10 Potential equalisation connector
2
1
3
4
5
6
7
8
9
10
Two LEDs at the control unit indicate which illuminator is being
used at the moment (see Page 18).
The light field diameter can be concentrated at the optics
carrier with the rotary knob (11).
11
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1
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