Leica M500 OH3 Manuel utilisateur

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

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

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.

➩

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

6 Footbrake

7 Foot

8 Locking knob

9 Leica M500 N microscope

Introduction

Leica M500 OH3 / Ref. 10 711 894 / Version -

1 Vertical arm

2 Tension rod

3 Handle

4 Footswitch holder

5 Locking knob

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.

The internal weight of the stand balances the weight of the

surgical microscope and the fitted accessories (movement D).

Introduction

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)

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

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).

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