Leica M820, M844 User Manual

Leica M844 Leica M820

User manual

10 713 294 – Version I

Living up to Life

Leica M844 – Leica M820 / Ref. 10 713 294 / Version I

Thank you for purchasing a Leica surgical microscope system.

In developing our systems, we have placed great emphasis on simple, self-explanatory operation. Nevertheless, we suggest studying this user manual in detail in order to utilize all the benefits of your new surgical microscope.

For valuable information about Leica Microsystems products and services and the address of your nearest Leica representative, please visit our website,

www.leica-microsystems.com.

Thank you for choosing our pro ducts. We hope that you will enjoy the quality and performance of your Leica Microsystems surgical microscope.

Leica Microsystems (Schweiz) AG Surgical Division CH-9435 Heerbrugg

Chapter overview

Leica M844 – Leica M820 / Ref. 10 713 294 / Version I

Introduction 3

Operating elements 8

Preparation before operation 21

Use 38

Safety notes 48

Care and maintenance 58

What to do if...? 62

Technical data 66

This manual covers the following systems:

Leica M844 F40 Leica M844 F19 Leica M844 C40 Leica M844 CT40

Leica M820 F40 Leica M820 F19 Leica M820 C40 Leica M820 CT40

Contents

Leica M844 – Leica M820 / Ref. 10 713 294 / Version I

Page

Introduction

Design and function 4

Operating elements

Stands/ceiling mounts 8 Control unit 12 Leica M844 and Leica M820 surgical microscopes 13 Leica M844 accessories 14 Leica M820 accessories 15 Beam splitter, rotatable, 50/50% 15 Leica M844 and Leica M820 accessories 16 Foot/handswitches and handles 17 Video and photo accessories for Leica M844 19 Video and photo accessories for Leica M820 20

Preparation for operation

Pre-operation checklist 21 Fitting optical accessories for Leica M844 22 Fitting optical accessories for Leica M820 23 Mounting beam splitter, rotatable 23 Adjusting optical accessories – general information 24 Adjusting optical accessories for Leica M844 25 Fitting documentation accessories 26 Selecting documentation accessories 27 Fitting the slit lamp 28 Adjusting the slit lamp 30 Wide-angle observation system 32 Stand settings (F40, C40, CT40) 33 Stand settings (F19) 34 Transport, transporting and rest positions 35 Positioning at the operating table 36 Sterile controls 37

Use

Positioning the microscope 38 Adjusting the microscope 39 Touch panel 40 Switching the microscope on 41 Selecting users 41 Editing the user list 42 Configuring users (User Settings menu) 42 StepCycle 45 Auto Reset 46 The Maintenance menu 46 The How to... menu 47 The Service menu 47

Safety notes

Intended use 48 Directions for the person responsible for the instrument 48 User qualifications 48 Directions for the operator of the instrument 48 Dangers of use 49

Page

Manufacturer's declaration of electromagnetic compatibility 51 Signs and labels 55

Care and maintenance

Maintenance instructions 58 Cleaning the touch panel 58 Maintenance 58 Changing fuses 59 Changing bulbs 59 Notes on reprocessing of sterilizable products 60 Instructions 60 Table: Sterilization 61

What to do if...?

General 62 Microscope 62 Control unit 64 Error messages on the control unit 64 F40 stand 64 C40 ceiling mount 64 CT40 ceiling mount 65 F19 stand 65 TV, photography 65

Technical data

Microscope 66 Lamps 66 Accessories 66 Electrical data 67 Auxiliary power socket 67 Optical data 67 Stands/ceiling mounts 68 Ambient conditions 69 Standards 69 Limitations of use 69 Dimensioning drawing (mm) Leica M844 F40 and Leica M820 F40 70 Dimensioning drawing (mm) Leica M844 C40 and Leica M820 C40 71 Dimensioning drawing (mm) for Leica M844 CT40 and Leica M820 CT40 72 Dimensioning drawing (mm) for Leica M844 F19 and Leica M820 F19 73

3Leica M844 – Leica M820 / Ref. 10 713 294 / Version I

Introduction

User manual

In addition to instructions for use, this user manual also provides important safety notes (see the chapter entitled, "Safety notes"). Read the user manual carefully and thoroughly before placing the product in operation.

Product identification

The model code and serial number of your product are provided on the nameplate found on the underside of the swing arm. Write this data into your user manual and always refer to it when you contact us or the service workshop regarding any questions you may have.

Model: Serial No.:

Symbols in this user manual

The symbols used in this user manual have the following meanings:

Warning Warning regarding use hazard or

noncompliant use that can lead to serious injury or death.

Caution Warning regarding use hazard or

noncompliant use that can lead to minor injury, but significant article, property or environmental damage.

Useful information that can help the user operate the product correctly and efficiently.

Request for action; here, you are requested to take action.

➩

Introduction

Leica M844 – Leica M820 / Ref. 10 713 294 / Version I

1 Control unit 2 Horizontal arm 3 Swing arm 4 XY unit 5 Binocular tube 6 0° assistant’s attachment (Leica M844 only) 7 Handle 8 Optics carrier

9 Tilt head 10 Column 11 Cable support 12 Base 13 Holding fixture for video control unit 14 Handle 15 Suspension device for footswitch

Design and function

Leica M844 F40 and Leica M820 F40

Introduction

Leica M844 – Leica M820 / Ref. 10 713 294 / Version I

Leica M844 F19 and Leica M820 F19

1 Control unit 2 Horizontal arm 3 Swing arm 4 XY unit 5 Binocular tube 6 0° assistant’s attachment (Leica M844 only) 7 Handle 8 Optics carrier

9 Tilt head 10 Column 11 Cable support 12 Base 13 Holding fixture for video control unit 14 Handle 15 Suspension device for footswitch

6 Leica M844 – Leica M820 / Ref. 10 713 294 / Version I

Introduction

Leica M844 C40 and Leica M820 C40

1 Control unit 2 Horizontal arm 3 Swing arm 4 XY unit 5 Binocular tube 6 0° assistant’s attachment 7 Handle 8 Optics carrier

9 Tilt head 13 Holding fixture for video control unit 16 C40 ceiling mount 17 Wall mount for control unit (optional)

7Leica M844 – Leica M820 / Ref. 10 713 294 / Version I

Introduction

Leica M844 CT40 and Leica M820 CT40

1 Control unit 2 Horizontal arm 3 Swing arm 4 XY unit 5 Binocular tube 6 0° assistant’s attachment (Leica M844 only) 7 Handle 8 Optics carrier

9 Tilt head 13 Holding fixture for video control unit 17 Wall mount for control unit (optional) 18 CT40 ceiling mount

8 Leica M844 – Leica M820 / Ref. 10 713 294 / Version I

Controls

Type 10448139 SN 211004003 Made in CH

Leica Microsystems (Schweiz) AG CH-9435 Heerbrugg

LEICA M844 F40 100V -230V

~ 50/60Hz

400VA 2x T6.3A/250V

MODEL

25 Power supply 26 Fuse holder (2x 6.3 A, time-lag) 27 Running-time meter for the surgical microscope 28 Potential equalization socket 29 Socket for remote brake release 30 Auxiliary power outlet (max. output power 100 VA)

For requirements of use, see the Technical data, page 67.

31 Fuse holder (1 A, time-lag)

31 30

27 28 29

Caution 1 Connecting unauthorized secondary devices to the auxiliary power socket can lead to damage to the surgical microscope and to the secondary device!

➩Never connect secondary devices to the auxiliary

power socket unless they conform to the specifications. For requirements of use, see the Technical data, page 67.

7 Handles 19 Power switch 20 Balancing knob 21 Swing arm stop lever 22 Footbrake release lever 23 Footbrake 24 Touch panel

Stands/ceiling mounts

F40 floor stand

Controls

Leica M844 – Leica M820 / Ref. 10 713 294 / Version I

2328 30 31 26 25

25 Power supply 26 Fuse holder (2x 6.3 A, time-lag) 27 Hour meter for the surgical microscope 28 Potential equalization socket 30 Auxiliary power outlet (max. output power 100 VA)

For requirements of use, see the Technical data, page 67.

31 Fuse holder (1 A, time-lag)

Caution 1 Connecting unauthorized secondary devices to the auxiliary power socket can lead to damage to the surgical microscope and to the secondary device!

➩Never connect secondary devices to the auxiliary

power socket unless they conform to the specifications. For requirements of use, see the Technical data, page 67.

F19 floor stand

7 Handles 19 Power switch 20 Balancing knob 22 Footbrake release lever 23 Footbrake 24 Touch panel 83 Retaining hook (blocks swing arm) 84 Retaining pin (holds retaining hook in released state) 85 Articulation brakes (regulate ease of movement)

10 Leica M844 – Leica M820 / Ref. 10 713 294 / Version I

Controls

C40 ceiling mount

7 Handles 19 Power switch 20 Balancing knob 21 Swing arm stop lever 24 Touch panel 26 No function 27 Up 28 Down

Remote control

Type 10448139 SN 211004003 Made in CH

Leica Microsystems (Schweiz) AG CH-9435 Heerbrugg

LEICA M844 C40 100V -230V

~ 50/60Hz

400VA 2x T6.3A/250V

MODEL

25 Power supply 26 Fuse holder (2x 6.3 A, time-lag) 27 Hour meter for the surgical microscope 28 Potential equalization socket 29 Socket for remote brake release 30 Auxiliary power outlet (max. output power 100 VA)

For requirements of use, see the Technical data, page 67.

31 Fuse holder (1 A, time-lag)

31 30

27 28 29

Caution 1 Connecting unauthorized secondary devices to the auxiliary power socket can lead to damage to the surgical microscope and to the secondary device!

➩Never connect secondary devices to the auxiliary

power socket unless they conform to the specifications. For requirements of use, see the Technical data, page 67.

11Leica M844 – Leica M820 / Ref. 10 713 294 / Version I

Controls

CT40 ceiling mount

7 Handles 19 Power switch 20 Balancing knob 21 Swing arm stop lever 24 Touch panel 27 Up 28 Down

Type 10448139 SN 211004003 Made in CH

Leica Microsystems (Schweiz) AG CH-9435 Heerbrugg

LEICA M844 CT40 100V -230V

~ 50/60Hz

400VA 2x T6.3A/250V

MODEL

For requirements of use, see the Technical data, page 67.

31 Fuse holder (1 A, time-lag)

31 30

27 28 29

Caution 1 Connecting unauthorized secondary devices to the auxiliary power socket can lead to damage to the surgical microscope and to the secondary device!

➩Never connect secondary devices to the auxiliary

power socket unless they conform to the specifi cations. For requirements of use, see the Technical data, page 67.

Remote control

12 Leica M844 – Leica M820 / Ref. 10 713 294 / Version I

Controls

Control unit

Front view

Connections

24 Touch panel 32 Brightness/contrast adjustment

Press once to adjust brightness Press twice to adjust contrast

Press three times to save adjustment and exit 33 Decrease value 34 Increase value 35 Video mode active LED 36 Video mode/control unit (microscope) mode switch 37 Control unit mode active LED

38 Service interface 39 Reset button 40 USB connection 41 Video input 42 Internal CAN 1 43 Internal CAN 2

44 External CAN 45 Footswitch or handswitch 1 46 Footswitch or handswitch 2 47 ADF Additional Function 1 48 ADF Additional Function 2

38 Service interface 39 Reset button 40 USB connection 41 Video input (BNC) 42 Internal CAN 1 43 Internal CAN 2

44 External CAN 45 Footswitch or handswitch 1 46 Footswitch or handswitch 2 47 ADF Additional Function 1 48 ADF Additional Function 2

ADF 1 and 2 are digital relay outputs that can switch 24 V/2 A. During operation, use only the cables provided for CAN, video and footswitch in order to prevent malfunctions.

38 39 40

24 32 33 34 35 36

41 42 43 44 45 46 47

DVI

SERVICE

LCD

RESET

USB

VIDEO

IN/OUT IN/OUT

EXTERN

FOOT/HAND ADF 1 1

63 62

595758

13Leica M844 – Leica M820 / Ref. 10 713 294 / Version I

Controls

Leica M844 and Leica M820 surgical microscopes

7 Handles 49 Lamp cover opener 50 OCF – Optics Carrier Functions 51 CAN bus 52 Socket for external supply of slit lamp 53 OttoFlex/slit lamp switch 54 Rotary knob for focus fine adjustment (0° assistant’s

attachment for Leica M844 only)

56 Rotary knob for tilt drive (motorized)

57 Magnification display with XY reverse display

58 Focus reset

59 XY reset

60 Manual zoom emergency drive

61 Quick-change lamp mount

62 Slot for filter slide

63 OttoFlex

II iris diaphragm

14 Leica M844 – Leica M820 / Ref. 10 713 294 / Version I

Controls

Leica M844 accessories

A comprehensive range of accessories enables the Leica M844 surgical microscope to be matched to the requirements of the task in hand. Your Leica representative will be pleased to help you select the appropriate accessories.

0° assistant’s attachment

Double wing

The Double Wing allows for a third observer in addition to the surgeon and the assistant.

• the same image detail for each observer

• 50 % light distribution with the assistant, still 100 % light for the surgeon

• 100 % stereopsis for all observers

• ±15° horizontal rotation of binocular tubes

The M84x Double Wing (10446740) is available as an optional accessory.

64 65

64 Documentation port 65 Rotary ring for adjusting the diaphragm

Closing the diaphragm can affect the red reflex in the video image.

66 Clamping screw for locking the binocular tube in place

Optionally, the clamping screw can be replaced with the provided slotted screw.

67 Clamping screw for releasing the quick changer 68 Focus fine adjustment knob 69 Lever for turning the binocular tube by ±15°

Controls

Leica M844 – Leica M820 / Ref. 10 713 294 / Version I

Leica M820 accessories

A comprehensive range of accessories enables the Leica M820 surgical microscope to be matched to the requirements of the task in hand. Your Leica representative will be pleased to help you select the appropriate accessories.

Beam splitter

Attachment for second observer

Beam splitter, rotatable, 50/50%

• Allows viewing by a second person or documentation

• Light distribution: 50% to the side, 50% backwards

• The side exit allows a 180° rotation to the left and right

• Rotate always completely to the left or right side and tighten with clamping screw (1)

16 Leica M844 – Leica M820 / Ref. 10 713 294 / Version I

Controls

Leica M844 and Leica M820 accessories

Binocular tube 10° – 50°, low

• adjustable viewing angle and height

• adjustable interpupillary distance

Binocular tube, 180° variable

• tilts 180°

Binocular tube 5° – 25°

• adjustable viewing angle and height

• adjustable interpupillary distance

Binocular tube, low

• not tiltable

Binocular tube 30° – 150°

• tilts 120°

• adjustable interpupillary distance

Binocular tube 10° – 50° with PD

• adjustable viewing angle and height

• adjustable interpupillary distance

Binocular tube 10° – 50° UltraLow

• with extra-low viewing height

• adjustable viewing angle and height

• adjustable interpupillary distance

17Leica M844 – Leica M820 / Ref. 10 713 294 / Version I

Controls

Foot/handswitches and handles

12-function footswitch, cross

12-function footswitch, long

16-function footswitch, cross

Handswitch

Handles

Standard configuration "Cataract"

Here is an overview of all possible footswitches and handswitches that you can use to control your Leica M820 and Leica M844 surgical microscopes with the standard configuration "Cataract".

Footswitches, handswitches and handles can be individually assigned for each user in the configuration menu (see page 43).

18 Leica M844 – Leica M820 / Ref. 10 713 294 / Version I

Controls

12-function footswitch, cross

12-function footswitch, long

16-function footswitch, cross

Handswitch

Handles

Standard configuration "Retina"

Here is an overview of all possible footswitches and handswitches that you can use to control your Leica M820 and Leica M844 surgical microscopes with the standard configuration "Retina".

Footswitches, handswitches and handles can be individually assigned for each user in the configuration menu (see page 43).

19Leica M844 – Leica M820 / Ref. 10 713 294 / Version I

Controls

Video and photo accessories for Leica M844

Leica 2D pick-up

• Video system for recording 2D video sequences.

• The camera (A) is installed between the assistant’s attachment and the binocular tube.

Leica 2D C-Mount

• Video system for recording 2D video sequences.

• The camera (I) is mounted on the TV attachment or zoom video adapter.

Photo/TV dual attachment

• For using a video camera with C-mount at the same time as an SLR camera. Complete with adapters.

• Video camera engageable in 45° increments.

• Video outlet with incorporated brightness adjustment (3 positions).

TV attachment

• For commercially-available video cameras with C-mount, complete with adapter.

• The TV tube attachment (E) is installed at the video port of the 0° assistant’s attachment.

• Video camera can be latched in 90° increments.

Zoom video adapter

• For commercially-available video cameras with C-mount, complete with adapter.

• The zoom video adapter (F) is installed at the video port of the 0° assistant’s attachment.

• Zoom and fine focus function for Leica zoom video adapter

Phototube

• Complete with adapter, for SLR cameras.

• Adapter f = 250 mm: for large fields of view and short

exposure times.

• Adapter f = 350 mm: for high magnifications.

• The phototube (G) is installed at the video port of the 0° assistant’s attachment.

A Leica 2D pick-up B 0° assistant’s attachment C Photo/TV dual attachment D Photocamera E TV attachment

F Zoom video adapter G Phototube H Video camera (such as the Leica D2D V3) I Leica 2D C-Mount

CFE

Controls

Leica M844 – Leica M820 / Ref. 10 713 294 / Version I

Video and photo accessories for Leica M820

Leica 2D pick-up

• Video system for recording 2D video sequences.

• The camera (A) is installed between the optics carrier and the binocular tube.

Leica 2D C-Mount

• Video system for recording 2D video sequences.

• The camera (I) is mounted on the TV attachment or zoom video adapter.

Photo/TV dual attachment

• For using a video camera with C-mount at the same time as an SLR camera. Complete with adapters.

• Video camera engageable in 45° increments.

• Video outlet with incorporated brightness adjustment (3 positions).

TV attachment

• For commercially-available video cameras with C-mount, complete with adapter.

• The TV tube attachment (E) is installed at the beam splitter.

• Video camera engageable in 90° increments.

Zoom video adapter

• For commercially-available video cameras with C-mount, complete with adapter.

• The zoom video adapter (F) is installed at the beam splitter.

• Zoom and fine focus function for Leica zoom video adapter

Phototube

• Complete with adapter, for SLR cameras.

• Adapter f = 250 mm: for large fields of view and short

exposure times.

• Adapter f = 350 mm: for high magnifications.

• The phototube (G) is installed at the beam splitter.

A Leica 2D pick-up B Beam splitter (50/50 % or 70/30 %) C Photo/TV dual attachment D Photocamera E TV attachment

F Zoom video adapter G Phototube H Video camera (such as the Leica D2D V3) I Leica 2D C-Mount

AB C FGE

21Leica M844 – Leica M820 / Ref. 10 713 294 / Version I

Preparation for operation

Checklist: Before the operation

Cleaning the optical accessories

➩Select the eyepieces, objective and the documentation

accessories (if used) and check them for cleanliness.

➩Remove dust and dirt (see page 58).

Checking accessories

➩Lock the swing arm. ➩Outfit the microscope with all accessories for use

(see pages 22-24).

➩Turn 0°-assistant’s attachment to the desired side

(Leica M844, see page 25) or install attachment for second observer on the desired side (Leica M820).

Balancing

➩Release and balance swing arm

(see pages 33 and 34).

Function check

➩Switch the microscope on.

Warning 1 Motors return to their home positions

➩Before switching on the microscope, ensure that the

travel paths of the X- and Y-axes and the focus motor are free of obstructions.

➩Check the Main Light 1, Main Light 2 and OttoFlex

II illuminators. Replace defective bulbs before the operation begins.

➩Test all handswitch and footswitch functions. ➩Check the brake function using both the handles and

the remote brake release (see page 33).

Positioning at the OP table

➩Position the surgical microscope at the operating table as

desired and secure the brakes on the floor stand. (see page 36).

Checking tube settings

➩Check the tube and eyepiece setting for the selected user

(see page 24).

➩Treat the eyepieces with an antifogging compound if

necessary.

Sterility

➩Fit sterile components and sterile drape if used

(see page 59).

Warning 2 Danger of fatal electric shock

➩Operate the system only with all equipment in its

proper position (all covers fitted, doors closed).

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