Accutome a-scan plus User manual

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Table of Contents
Chapter 1: Introduction.................................................................1
Accutome A-Scan Plus Overview.............................................................1
Features..............................................................................................................2
Measurements........................................................................................................2
IOL Calculations....................................................................................................3
Components...........................................................................................................3
Optional Components............................................................................................4
About this Manual...........................................................................................4
Chapter 2: Safety..................................................................................6
Safety Information..........................................................................................6
Safety Issues to Consider When Using the Accutome A-Scan Plus.....................6
Indications for use.................................................................................................6
Symbols Denitions for the Accutome.................................................................7
Safety Precautions...........................................................................................8
Sterilization...........................................................................................................8
Disinfection and Cleaning.....................................................................................9
Electrical Hazard and Safety...............................................................................10
Avoiding Equipment Damage.............................................................................10
Avoiding Electromagnetic and Other Interference..............................................11
ALARA Principle................................................................................................11
Chapter 3: Getting Started.............................................................12
Assembling the Accutome A-Scan Plus.................................................12
What you need....................................................................................................12
Probe...................................................................................................................13
Footswitch...........................................................................................................13
Battery Specication and Installation.................................................................13
Placing the Accutome A-Scan Plus.....................................................................14
Quick-Close Kickstand........................................................................................14
Mounting.............................................................................................................15
Connecting the Components................................................................................15
Connecting the Footswitch..................................................................................16
Connecting the Power..........................................................................................16
Connecting the Ethernet Connection...................................................................17

Connecting the USB Keyboard and USB disk...................................................17
Connecting the RS232 Connector.......................................................................17
Connecting the Probe...........................................................................................18
Probe Setup......................................................................................................19
Accutome Ultrasonic Probe Kit..........................................................................20
Accutome Probe with Goldman Tonometer Adapter..........................................21
Accutome Probe with Handle Extension.............................................................22
Basic Operation..............................................................................................24
How to Power On the Accutome A-Scan Plus....................................................24
How to Adjust the Contrast.................................................................................25
Using the Test Block............................................................................................26
Preparation of Patient for Examination...............................................................27
How to Start a New Patient.................................................................................27
How to Enter Text without a Keyboard...............................................................31
Screen Keyboard Features...................................................................................32
Entering a Patient with the Screen Keyboard......................................................33
How to Take a Measurement...............................................................................34
How to Perform a Calculation.............................................................................36
How to Print a Records........................................................................................41
How to Save Patient Records..............................................................................41
Chapter 4: How to Use the Buttons and Screens..........43
Overview..............................................................................................................43
Accutome A-Scan Plus Buttons................................................................44
Dedicated Buttons................................................................................................44
Measure Button....................................................................................................45
Patient Record Button.........................................................................................45
Calculate..............................................................................................................45
Preferences...........................................................................................................45
Print.....................................................................................................................46
Check or Afrmative ( √ )...................................................................................46
Negative or Delete (X)........................................................................................46
Soft Menu Buttons...............................................................................................46
Buttons that Toggle between Two Selections......................................................47
Buttons that Display Other Screens or Soft Menus............................................47
Accutome A-Scan Plus Knob.............................................................................47
How the Knob Works..........................................................................................47
Screens...............................................................................................................47
What the Screen Displays....................................................................................48

Types of Information...................................................................... ....................48
Soft Menus..........................................................................................................48
Tips.....................................................................................................................48
Sounds..................................................................................................................48
Error Messages....................................................................................................49
Moving between Screens....................................................................................49
Screen Hierarchy..................................................................................................49
High Level Screen Buttons..................................................................................50
Top Level Screens................................................................................................50
Associated Sub-Level Screens............................................................................50
From the Measure Screen....................................................................................50
From the Patient Records Screen........................................................................51
From the Preferences Screen...............................................................................51
How Buttons, Screens and Knob Work Together................................................51
Changing Fields and Table Cells.........................................................................51
Changing Fields and Table Cells.........................................................................51
Active Area.........................................................................................................52
Text Entry.............................................................................................................52
Selecting a New Active Area..............................................................................52
Changing Fields in the Active Area....................................................................52
Pre-entered Fields................................................................................................52
Fields Requiring Information..............................................................................53
Numeric Fields....................................................................................................53
Keyboard Shortcuts.......................................................................................53
Using the Footswitch....................................................................................55
Setting Up the Accutome A-Scan Plus...................................................56
Chapter 5: Preferences...................................................................56
How to Access Preferences.........................................................................57
Top Level of Preferences.....................................................................................58
How to Add a New Eye Type....................................................................59
Adding a New Lens Material..............................................................................60
Assigning a Velocity to the New Lens Material..................................................62
Adding the New Eye Type Information..............................................................63
Eye Type Screen Menu Selections...........................................................69
Reset Field to Factory..........................................................................................69
Reset All to Factory.............................................................................................72
More Settings..................................................................................................74
Setup Screen Fields.............................................................................................74

Setup Screen Soft Menu.....................................................................................75
How to Set the Printer.........................................................................................76
How to Set the Print Title....................................................................................89
How to Select Automatic or Manual Network Address......................................93
How to Adjust the Contrast................................................................................96
How to Set the Default Patient Eye Type.........................................................100
How to Set the Default ID................................................................................103
How to Set the Default Gain............................................................................106
How to Set the Target Refraction.....................................................................108
How to Set the K Index....................................................................................111
How to Set the IOL Step...................................................................................114
How to Activate the Network Folder................................................................118
Congure Network Folder................................................................................119
Testing Network Connection on the A-Scan Plus.......................................... ..123
Connect to the PC folder................................................................................ ..123
Troubleshooting the problems...........................................................................123
How to Adjust the Date and Time.....................................................................124
How to Set the Auto Mode ...............................................................................127
Sound On/Sound Off........................................................................................133
Restart On/Restart Off......................................................................................133
Scr Save On/Scr Save Off.................................................................................133
Save and Restore Factory Default Gates and Threshold...................................134
About This Unit................................................................................................134
Overview............................................................................................................136
Chapter 6: Performing Measurements................................136
Measure Screen.............................................................................................137
Information Displayed on the Measure Screen.................................................138
Soft Menu Selections.........................................................................................138
Starting a New Patient.......................................................................................139
How to Set the Eye Type..........................................................................139
Eye Types..........................................................................................................139
Eye Type Materials and Velocities....................................................................140
Table 6-1 Eye Types..........................................................................................140
Table 6-2 Lens Materials and Velocities...........................................................140
Table 6-3 Anterior/Vitrous Materials and Velocities.........................................140
Setting the Eye Type.........................................................................................141
Probe Application Methods......................................................................143
Immersion..........................................................................................................143
Contact...............................................................................................................144

Capture Modes.............................................................................................144
Auto Mode........................................................................................................144
Manual Mode....................................................................................................145
How to Capture a Waveform....................................................................145
Using the Footswitch.........................................................................................145
Using the Running/Frozen Button.....................................................................145
Using the Measure Button.................................................................................146
How to Select a Measurement.................................................................146
Selecting a Measurement with the Knob..........................................................146
Selecting a Measurement Using Waveform Review Menu..............................147
Selecting a Measurement with the Footswitch..................................................148
How to Delete a Measurement................................................................149
Deleting a Measurement with X Button or Keyboard......................................149
Deleting a Measurement with the Footswitch...................................................149
How to Adjust Gates/Threshold..............................................................149
Available Gates/Threshold.................................................................................150
Selecting Gates/Threshold.................................................................................151
Waveform Review Menu..................................................................................152
How to Adjust the Cornea Gate........................................................................152
How to Adjust the Anterior Lens Gate..............................................................153
How to Adjust the Posterior Lens Gate............................................................155
How to Adjust the Retina Gate.........................................................................156
How to Apply Gate Adjustments to All Wavefor..............................................158
How to Adjust the Gain.............................................................................159
How to Use Zoom.............................................................................................161
How to Scroll................................................................................................162
Switching Eyes............................................................................................164
Customize Eye Type...................................................................................164
Overview............................................................................................................165
Patient Customization........................................................................................165
Chapter 7: Customizing Eye Types.......................................165
Customize Eye Type Screen.....................................................................166
Customize Fields and Menu Selections.............................................................166
OD.....................................................................................................................166
OS.....................................................................................................................166
Eye Type Table...................................................................................................166
AC.....................................................................................................................166
Lens...................................................................................................................166

VC.....................................................................................................................166
How to Customize an Eye Type.............................................................167
Overview............................................................................................................174
Calculating the Lens.........................................................................................174
Calculation after Corneal Refractive Surgery ..................................................174
Chapter 8: Performing Calculations.....................................174
Calculate IOL Screen..................................................................................176
Selecting an IOL Group.....................................................................................177
Selecting a Formula...........................................................................................177
Entering an ACD Value with the Haigis Formula.............................................177
Changing the AXL Value...................................................................................178
Selecting a Measurement...................................................................................178
Entering an AXL Value......................................................................................179
Entering the K1, K2 Values...............................................................................179
Entering the K1, K2 Values...............................................................................181
Calculation Results............................................................................................181
Formula Compare Feature ...............................................................................182
Switching Between OD/OS..............................................................................183
Calculating IOL Power After Corneal Refractive Surgery...........184
Double K Method..............................................................................................184
Determining Corneal Power after Refractive Surgery......................................185
Post Rx Surg IOL Calculation Steps ................................................................185
Changing Rx Surg Field to Yes.........................................................................186
Clinical History Method....................................................................................187
Clinical History Fields.......................................................................................187
Contact Lens Method.........................................................................................188
Shammas Clinical Method ...............................................................................189
Calculation Results............................................................................................190
Switching Between OD/OS..............................................................................190
Chapter 9: Setting Up IOL Groups................................191
How are IOL Groups Used...............................................................................191
How to Set Up an IOL Group..................................................................191
IOL Calculation Groups Screen........................................................................192
Entering IOL Group Names..............................................................................193
Entering the Group’s Lenses.............................................................................194

Chapter 10: Personalizing Lens Constants.....................200
Overview...........................................................................................................200
Personalizing Lens Constants...........................................................................200
How to Personalize Constants................................................................201
Accessing the Personalize IOLs Screen...........................................................201
Personalize IOLs Screen...................................................................................202
Personalize IOLs Screen Soft Menus...............................................................203
Selecting an IOL Group and Lens....................................................................203
Next IOL/Group...............................................................................................203
Selecting IOL Group with the Knob................................................................204
Entering Postoperative Results.........................................................................204
Pasting Patient Information..............................................................................205
Manually Entering Patient Information ..........................................................206
Entering Remaining Postoperative Results......................................................207
Deleting Postoperative Results.........................................................................207
Deleting Current Postoperative Result.............................................................207
Deleting All Postoperative Results...................................................................208
How to View Individual Results for a Formula................................................208
How to Sort Postoperative Results...................................................................208
How to Update IOL Constants..........................................................................209
Update IOL Constants Screen...........................................................................210
Selecting an IOL Group and Lens....................................................................211
Chapter 11: Storing and Recalling Records...................213
How to Recall a Record....................................................................................215
How to Adjust Parameters on Saved Records..................................................217
How to Update Calculations.............................................................................217
How to Sort Patient Records...................................................................218
Chapter 12: Printing Records....................................................219
How to Print a Record...............................................................................219
Screen Printout Formats....................................................................................219
How to Select the Right Printout Format.........................................................220
Sample Printouts...............................................................................................220
How to Batch Print............................................................................................222
Required Printer................................................................................................225

Chapter 13: Maintenance..............................................................226
General Maintenance........................................................................................226
Safety Inspections.............................................................................................226
Visual Inspection...............................................................................................226
Ultrasound Inspection.......................................................................................226
Calibration of Accutome A-Scan Plus..............................................................227
Battery Disposal...........................................................................................227
Instructions for Disposal...................................................................................227
Disposal in Europe............................................................................................227
Disposal in US..................................................................................................228
Chapter 14: Specications...........................................................230
Overview............................................................................................................230
Physical Specications......................................................................................230
Table 14-1 Accutome A-Scan Plus Physical Specications.............................230
Table 14-2 Accutome A-Scan Plus Physical Specications.............................231
Environmental Specications ................................................................231
Table 14-3 Environmental Specications.........................................................232
Measurement Accuracy.....................................................................................232
Table 14-4 Measurement Accuracy...................................................................232
Operating Modes.........................................................................................233
Table 14-5 Operating Mode(s)..........................................................................233
Formula References....................................................................................234
Table 14-6 Formula References........................................................................234
Storage/Range Specications..................................................................235
Table 14-7 Data Specications.........................................................................235
Table 14-8 Data Specications.........................................................................236
Acoustic Output...........................................................................................237
Table 14-9 Acoustic Output Reporting Table for Track 1................................237
Non-Autoscanning Mode.................................................................................237
Table 14-10 Acoustic Output Reporting Table for Track 1..............................238
Non-Autoscanning Mode.................................................................................238
EMC Compliance Information................................................................238
Table 14-11 electromagnetic emissions............................................................240
Table 14-12 electromagnetic immunity ..........................................................240
Table 14-12 electromagnetic immunity.............................................................241
Table 14-13 electromagnetic immunity.............................................................242
Table 14-14 Recommended separation distances ...........................................244