Sonomed E-Z Scan AB5500 Plus Operator'S Manual Download Page 4

Table of Contents 

 

 

 

 

 

 

 

ii 

 
3.4 PATIENT 

PREPARATION 

 

3-3 

 

         Direct Contact Measurements 

 Immersion 

Technique 

 

3.5  PATIENT EXAMINATION   

 3-4 

 

 

Direct Contact Scanning/Automatic Mode 

 

 

Direct Contact Scanning in Manual Mode 

 

 

Water Immersion Technique 

 

 

Performing IOL Calculations 

 Printing 

 

3.6  IMAGE ARCHIVE   

 3-9 

 

3.7  SOURCES OF ERRORS AND HOW TO   

3-10 

 

AVOID THEM  

 

  Corneal 

Compression 

  A-Scan 

Pattern 

  Examination 

Modes 

  Immersion 

Technique 

 
 

Section 4 

B-Scan Operation and Clinical Use 

 

4.1  SELECTING B-SCAN MODE   

4-1 

 
4.2  SYSTEM SET-UP     

4-1 

 

 

Entering User Information 

 

 

Entering Patient Information 

 

 

 

4.3  PATIENT PREPARATION    

4-2 

 
4.4 PATIENT EXAMINATION 

4-2 

 
4.5 B-SCAN 

OPERATING 

CONTROLS    

4-3 

  Printing 
  Soft-Key 

Descriptions 

 External 

Controls 

 

4.6  IMAGE ARCHIVE   

 4-6 

 

 
 

Summary of Contents for E-Z Scan AB5500 Plus

Page 1: ...0 Combined A Scan B Scan B5500 B Scan 5550 A 1901 1C Operators Manual Sonomed Inc A Subsidiary of Escalon Medical 1979 Marcus Avenue Lake Success NY 11042 USA Tel 800 227 1285 516 354 0900 Fax 516 354...

Page 2: ...t 2006 Sonomed Inc All rights reserved Contents of this publication may not be reproduced in any form without the express written permission of Sonomed Inc Specification change privileges are reserved...

Page 3: ...d on the Equipment Terms as Used in This Manual General Warnings General Cautions 2 3 SYSTEM SET UP 2 3 Connecting Accessories Printer Set Up Power Up Check Using the Touch Screen Screen Brightness Ad...

Page 4: ...ting 3 6 IMAGE ARCHIVE 3 9 3 7 SOURCES OF ERRORS AND HOW TO 3 10 AVOID THEM Corneal Compression A Scan Pattern Examination Modes Immersion Technique Section 4 B Scan Operation and Clinical Use 4 1 SEL...

Page 5: ...ITY CHECK 5 2 Sensitivity Test 5 3 TROUBLESHOOTING 5 4 Electromagnetic Interference 5 4 WARRANTY 5 5 5 5 DISPOSAL 5 5 Section 6 System Specifications PHYSICAL 6 1 ELECTRICAL 6 1 ENVIRONMENTAL 6 1 INTE...

Page 6: ...Table of Contents iv Appendices VELOCITY TABLES Appendix 1 TABLE OF IOL CONSTANTS Appendix 2 HAIGIS FORMULA INFORMATION Appendix 3...

Page 7: ...PEN A PROBE E Z SCAN 5500 PART NO 9200 1604 1A CAUTION 15 VDC 2A AC ADAPTER AC ADAPTER LINEMASTER SWITCH CORP WOODSTOCK CT USA TREADLITE II NORTH AMERICA UNITED KINGDOM EUROPE INSTRUCTION MANUAL B PR...

Page 8: ...ration of the instrument should arise please feel free to contact Sonomed customer service at 1 800 227 1285 or in NY at 516 354 0900 at any time with questions or concerns regarding system use Thank...

Page 9: ...f the results using the video printer included with the system The hardcopy will include all information that is displayed on the screen when the print key is depressed Several features help to distin...

Page 10: ...White Video Printer Ultrasonic Coupling Gel Use only those items supplied with the instrument or approved by Sonomed Inc Use of unapproved parts may damage the instrument or degrade performance Optio...

Page 11: ...ing applying power to or operating the system BEFORE OPERATION the instrument and this manual should be reviewed for safety markings and instructions Specific warnings and cautions are found throughou...

Page 12: ...uld be moved with care Quick stops or uneven surfaces may cause the cart to overturn Only connect or disconnect the probe while the instrument is in the OFF position POUR VOTRE PROTECTION S V P lire c...

Page 13: ...E Z SCAN on a flat level surface 2 Connect the foot pedal cable connector to the rear panel of the system into jack labeled FOOT PEDAL Place the foot pedal on the floor 3 Verify that the Power Switch...

Page 14: ...wer OFF the system and contact your local representative or Sonomed for assistance USING THE TOUCH SCREEN The touch screen provided with the E Z SCAN system is a highly sensitive device which enables...

Page 15: ...ton Enter the appropriate two digits for the month for example 01 for January and then select the ENTER button Repeat for the day and year 3 To edit the time select the ENTER TIME key Enter the approp...

Page 16: ...rs It is recommended that the functionality of the A scan portion of the EZ SCAN be verified by means of the calibration procedure prior to performing actual measurements The EZ SCAN defaults into the...

Page 17: ...ton Touch the USER key to advance to the next user selection Touch the DONE key when finished 2 IOL Formula Selection Within the User Data Screen touch the FORMULA button to scroll through the differe...

Page 18: ...r converting K readings If entering K readings in millimeters which were obtained using a keratometer with a different index the values must first be manually converted to Diopters and then entered Ap...

Page 19: ...Lens may be selected touching the LENS key The average tissue velocity will be automatically adjusted for the selected lens type The velocity for the Custom lens can obtained from the manufacturer an...

Page 20: ...creen The location of the key structures in the scan waveform will be indicated by flashing gate markers displayed above the waveform as well as a blinking red dot at the threshold level of each echo...

Page 21: ...hing the mode button until the desired mode is shown The following examination modes are available Cataract Dense Cataract Aphakic Pseudophakic Manual Mode 3 Tissue Velocity Ensure the appropriate tis...

Page 22: ...n Eye Press the footswitch and pick up the syringe from its place on the patient s shoulder Slowly inject the saline or BSS into the shell As soon as the liquid fills the shell sufficiently to reach t...

Page 23: ...under the eyelid Pivot the shell downward directing the patient to continue to look straight ahead Pull the shell away from the eye without making contact with the cornea Upon initial release the rema...

Page 24: ...e requires a serial cable not supplied which should be connected at one end to the RS 232 serial type connector on the rear of the unit and the other end to a serial port on the computer A software pr...

Page 25: ...the user should review each scan to determine whether or not the scan pattern is acceptable It is important to remember that the automatic modes are meant to facilitate the examination procedure but n...

Page 26: ...o automatically capture the waveform If a seemingly proper waveform is not automatically captured check to see whether the leading edge of the corneal echo is either inside as shown in Figure 3 15 or...

Page 27: ...user identification and selection of a particular system operating parameters e g Gain TVG Processing 1 Entering Editing User Identification Touch the USER button Verify that the User Data Screen appe...

Page 28: ...toggle between the left and right When the correct eye has been selected touch the ENTER key Press DONE to return to the examination screen The patient should be seated in a comfortable upright posit...

Page 29: ...B only B a or A b MEASURE Display Measurement menu Distance or Area measurements ENHANCE Display image Enhance menu REJECT Adjust which signal levels to view or reject COLOR MAP Select grayscale or co...

Page 30: ...outline is complete pressing SET again will enable the Area measurement to be shown at the top of the display Pressing BACKUP will allow the user to erase previous measurement points along the trace...

Page 31: ...the displayed images from the EZ scan to a Personal Computer via the RS 232 connector on the rear of the unit Once this key is pressed a status message will be displayed Sonomed Scan Viewer Software...

Page 32: ...ich allows the user to download actual scans and associated scan information to a computer Use of this feature requires a serial cable not supplied which should be connected at one end to the RS 232 s...

Page 33: ...rom becoming entangled CLEANING System Periodic cleaning of the EZ SCAN enclosure with a soft cloth is all that is usually required to keep the system looking new Stubborn stains may be removed using...

Page 34: ...Carefully examine the probe tip for any chipping or rough edges which may injure the cornea 6 If applicable examine the Soft Touch mechanism of the A probe to ensure that it slides freely and with mi...

Page 35: ...cable connector 2 Adjust the GAIN control to maximum 3 Press MEASURE key to view the A Scan display 4 Place a small amount of coupling gel onto the calibration cylinder 5 Place probe against top surfa...

Page 36: ...fy Footpedal is connected properly 3 If problem cannot be solved please contact Sonomed service department for further help Prior to contacting Sonomed please gather as much information as possible co...

Page 37: ...r factory by Sonomed Sonomed reserves the right to make changes in the design and material of Equipment without incurring any obligations to incorporate such changes in equipment already completed on...

Page 38: ...rtion Key 10 Pin with Insertion Key Printer Output BNC Connector DISPLAY Type Color RGB LCD Backlit Display with Touch Screen Overlay Resolution 640 x 480 pixels h x v Dimensions Width Height 135 mm 5...

Page 39: ...Measurement Accuracy Electronic Clinical 0 023 mm 0 1 mm Measurement Range 18 40 mm Calibration Automatic w built in calibration cylinder SYMBOLS Footswitch Port Direct Current Input Type BF Applied P...

Page 40: ...robe to the transducer focus in centimeters which is the point of measurement For this device f xx and z yy This formula was also used to calculate the derated values shown above Transducer parameters...

Page 41: ...68 3 31 Pr 3 MPa 0 300 W0 mW 0 00134 0 00134 fc MHz 12 29 12 29 12 29 zsp cm 1 7 1 7 1 7 Beam Dimension x 6 cm 0 383 0 383 Beam Dimension y 6 cm 0 310 0 310 PD s 0 107 0 107 PRF Hz 19 2 19 2 EBD Az cm...

Page 42: ...above The user can enter any desired velocity to replace the default value but this is not recommended except in the case where silicone oil or some other material is present 2 If the velocity is chan...

Page 43: ...3 80 118 5 1 51 5 26 111 1 2 68 0 94 113 6 1 27 2 40 116 1 0 15 3 86 118 6 1 56 5 32 111 2 2 63 1 00 113 7 1 21 2 46 116 2 0 20 3 91 118 7 1 62 5 37 111 3 2 57 1 06 113 8 1 16 2 51 116 3 0 26 3 97 118...

Page 44: ...The Optimized constants are derived based upon an analysis of at least 50 sets of postoperative patient data To obtain the Optimized constants contact Wolfgang Haigis MS Ph D Head of the Biometry Dep...

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