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AL-4000
Tomey AL-4000 User Manual
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䕔
i-2
ڦ
Never mark or
dam
age the caution la
bels on the instrume
nt. The
caution label
s are provi
ded at two locati
ons as show
n below
.
ڦ
If a label is damag
ed or becomes il
legible, please contact T
omey
Corporati
on or our local distributor
.
3
5
Table of Contents
How to Read this Manual
7
Outline
7
Symbols Used in this Manual
8
Table of Contents
9
Prior to Use
13
Precautions for Operation
13
Glossary
18
Checking Package Contents
20
Overview
21
Names and Functions
23
Front of the Main Unit
23
Back of the Main Unit
25
Sides of the Main Unit
26
Top of the Main Unit
27
Bottom of the Main Unit
28
Screen
29
Basic Structure and Common Items
29
Axial Length Measurement (Biometry)
31
Corneal Thickness Measurement
37
Diagnosis in Mode a
39
Auto Power off Function
42
Operation Procedures
43
Safety Precautions
43
Precautions for Installing the Instrument
44
Precautions for Connecting the Power
45
Preparation before Use
46
Connections
46
Wireless Connection with UD-8000 and IOL Calculation Unit
54
Turning the Power on and Adjustment after Turning the Power on
58
Switching Modes
60
Setting Measurement Conditions
61
Entering the Patient Data
61
Clear All Measurement Data (Preparation for Measuring a New Patient)
64
Selecting the Eye to be Measured
65
Axial Length Measurement Function
66
Connecting the Biometry Probe
66
Setting Axial Length Calculation Method and Converted Acoustic Velocity for Eye to be Measured
66
Contact/Immersion Mode Settings
71
Operation Check
71
Preparation for Measurement
71
Precautions for Measurement
72
Measurement
82
Checking Waveforms after Measurement
87
IOL Power Calculation
95
Calculation
95
Setting Calculation Conditions
95
Entering Calculation Parameters
95
Setting Calculation Formula
101
Saving Measurement Data
102
Pachymetry Function
103
Connecting the Pachymetry Probe
103
Setting the Data Type to be Displayed
103
Setting How to Display the Converted Acoustic Velocity and Bias Value
103
Setting the Measurement Mode/Range and Data Display
105
Operation Check
107
Preparation for Measurement
107
Measurement
108
Checking the Measurement Data
115
Saving the Measurement Data
118
A-Scan Diagnosis
119
Connecting the Probe
119
Switching to the A-Scan Diagnosis
119
Gain Setting
121
Setting Analysis Method
122
Measurement
123
Various Functions in FREEZE Mode
124
Various Functions in Real Time Mode
127
Analysis Function
128
Utilities
132
Buttons and Icons on the Screen
133
Operations for each Setting
137
Technical Information
153
IOL Power Calculation Formula
153
SRK-II Formula
153
SRK/T Formula
154
HOLLADAY Formula
156
Hoffer Q Formula
158
HAIGIS Standard Formula
159
How to Calculate Axial Length Using the Axial Length Measurement Function
161
Phakic Eye
161
Dense Cataract Eye
161
Aphakic Eye
161
IOL Eye
162
Amplifier Characteristics of the A-Scan Diagnosis
163
Checking the Software Version
163
Ultrasound Wave Output
164
MI (Mechanical Index)
164
TIS (Thermal Index of Soft Tissue)
164
Inspection and Maintenance
165
Warranty
165
Durable Years
166
Inspection
166
Routine Maintenance
166
Maintenance of Measurement Probes
167
Cleaning and Disinfection of Measurement Probes (for Europe)
170
Maintenance of Main Unit
172
Replacing Consumables
173
Storing
173
Disposal
174
Troubleshooting
175
Spare Parts and Optional Parts
189
Spare Parts
189
Optional Parts
189
Specifications
191
Biometry/Iol Power Calculations
191
Function of Pachymetry
192
A-Scan Diagnosis
193
Main Unit
193
AC Adapter
193
Battery
193
Energy and Other Consumption
194
Influences of Ultrasound Energy on the Human Body
194
Ultrasound Energy
195
Noise
200
Environment Conditions
200
Classification Ofme Equipment
201
Declaration of Conformity to EMC
202
Index
207
4
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Tomey AL-4000 Specifications
General
Brand
Tomey
Model
AL-4000
Category
Measuring Instruments
Language
English
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