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Leica M844 User Manual

Leica M844
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MEDICAL DIVISION
User Manual
10 713 294 - Version 01
M

Table of Contents

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Leica M844 Specifications

General IconGeneral
BrandLeica
ModelM844
CategoryMicroscope
LanguageEnglish

Summary

Safety notes

Intended use

Describes the intended use of the M844 surgical microscope.

Indication for Use

Specifies the suitable applications and intended users for the microscope.

Directions for the person responsible for the instrument

Provides guidance for those responsible for the instrument's use and safety.

Directions for the operator of the instrument

Instructions for the operator to ensure safe and correct use of the instrument.

Phototoxic damage to the retina during eye surgery

Warns about potential eye damage from light exposure and provides exposure limits.

Dangers of use

Highlights hazards associated with movable parts and improper use.

Controls

Footswitch and handles

Explains the configuration and assignment of footswitches and handles.

Preparation before surgery

Transportation

Provides instructions for safely transporting the surgical microscope.

Transporting the M844 F20

Specific steps for transporting the M844 F20 model.

Transporting the Leica M844 F40

Specific steps for transporting the M844 F40 model.

Installing optical accessories

Guides on how to install optical accessories onto the microscope.

Fitting optical accessories for Leica M844

Instructions for fitting objectives, assistant attachments, tubes, and eyepieces.

Fitting the Leica Slit Illuminator

Detailed steps for mounting and fastening the slit illuminator.

General safety information when handling the Leica Slit Illuminator

Safety precautions specific to the slit illuminator.

Adjusting the brightness of the slit illuminator

Guidance on adjusting slit illuminator brightness safely.

Phototoxic damage to the retina during eye surgery (slit illumination)

Warnings and guidelines on phototoxic effects from slit illumination.

Wide-angle observation system (such as Oculus)

Instructions for installing and using wide-angle observation systems.

Stand settings (F40, CT40)

Covers balancing and locking the swing arm for F40/CT40 stands.

Releasing the brakes

Instructions on releasing the microscope's brakes.

Stand settings (F20)

Covers releasing, balancing, and adjusting brakes for the F20 stand.

Releasing the swing arm

Steps to release the swing arm for the F20 stand.

Balancing the swing arm

How to balance the swing arm for the F20 stand.

Locking the swing arm

How to lock the swing arm for the F20 stand.

Positioning at the operating table

Guide to positioning the microscope at the operating table.

Attaching sterile controls and drape

Instructions for attaching sterile controls and drapes.

Function check

A checklist for verifying readiness before starting surgery.

Operation

Positioning the microscope

Instructions for coarse and fine positioning of the microscope.

Adjusting the microscope

Covers adjusting brightness and using filters.

Adjusting the brightness

How to adjust main and OttoFlex illuminator brightness.

Retina protection

Explains how to activate and use the Retina Protection function.

Adjusting the magnification (zoom)

How to adjust magnification using footswitch or control unit.

Adjusting the focus

How to adjust focus and use reset functions.

Touch panel

Switching the microscope on

Steps for powering on the microscope via the touch panel.

Configuring users (User Settings menu)

Customizing user settings and saving configurations.

Footswitch assignment

Assigning functions to footswitch buttons.

Configuring individual buttons

Assigning functions to specific footswitch buttons.

Care and maintenance

Changing fuses

Instructions for safely changing fuses in the microscope.

Changing lamps

Steps for replacing main light and OttoFlex lamps.

What to do if ...?

Microscope

Troubleshooting no light, no OttoFlex light, and defective bulbs.

Error messages on the control unit

Explains common error messages and their remedies.

Camera, video

Troubleshooting issues related to camera and video image quality.

Annex

Checklist before the operation

A checklist for verifying readiness before starting surgery.

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