Sun Nuclear MapCHECK 3 User manual

Your Most Valuable QA & Dosimetry Tools
MapCHECK®3 User Guide
The New Benchmark for 2D IMRT QA
Model 1178

ii
User Guide, MapCHECK®3
© Copyright 2017-2019 by Sun Nuclear Corporation. All rights reserved.
The information contained in this guide and the accompanying software program are copyrighted
and all rights are reserved by Sun Nuclear Corporation. Copying, duplicating, selling, or otherwise
distributing any part of this product without the prior written consent of Sun Nuclear Corporation
is prohibited.
Sun Nuclear Corporation reserves the right to make periodic modifications to this guide without
obligation to notify any person or entity of such revision.
This guide is written for:
MapCHECK 3 Firmware version: 1.0.0.8
MapCHECK 3 FPGA Firmware version: 1.0.0
SNC Patient Software version: 8.2
MapCHECK®3, SunPoint®2, SNC Patient™ Software, and MapPHAN™ are trademarks of Sun
Nuclear Corporation. Other trademarks or tradenames are the property of their respective
owners. Solid Water®is a registered trademark of Gammex Inc., a wholly owned subsidiary of
Sun Nuclear Corporation.
Document 1178012, Rev C-1, 25 January 2019
Sun Nuclear Corporation
3275 Suntree Boulevard
Melbourne, FL 32940 USA
[phone]
www.sunnuclear.com

Preface iii
Preface
Intended Use
Model 1178 MapCHECK 3 is a two-dimensional (2D) radiotherapy beam dosimetry QA system
intended for the measurement of radiation dose distributions for the purpose of comparison with
a simulated dose distribution in the same phantom geometry as calculated by the treatment
planning system (TPS).
CAUTION: Federal law restricts this device to sale by or on the order of a qualified
radiation therapy professional, such as a medical dosimetrist, medical physicist, or
radiation oncologist for use in radiation oncology.
Description
The MapCHECK®3 device contains an array of 1,527 SunPoint®2 Diode Detectors that measure
ionizing radiation to simulate patient structure during delivery of a treatment plan dose. The SNC
Patient™ software displays the MapCHECK 3 measurement and compares the results against the
imported treatment plan.
For detailed SNC Patient software instructions, see the SNC Patient online Help or the SNC Patient
Software Reference Guide, available on the Sun Nuclear Support website (see Support Website
on page 15).
Quality and Regulatory Systems
Sun Nuclear meets worldwide standards, including ISO 13485, FDA 21 CFR 820 Quality System
Regulations, Health Canada's Medical Device Regulations, the European Medical Device Directive
93/42/EEC, and all other relevant country regulations. Sun Nuclear is certified and authorized to
affix the CE mark on products for marketing and distribution in the Member States of the European
Union.
Sun Nuclear’s quality systems registrar and European Notified Body for Class II medical products
is BSI. Sun Nuclear’s Class I medical products are listed in Europe with the Competent Authority
of Germany.
Sun Nuclear Corporation is an ISO 13485 certified
company.
Health and Safety Information
• Use only the power supply that is provided with the device; it is a medical grade power
supply.
• Never pull on a cable to disconnect it. Always grasp the plug or connector.
•The device is not intended to be used in an oxygen rich environment.
• Do not operate the device in any strong magnetic fields (i.e., MRI).
For instructions to report health or safety related concerns, see Reporting Health or Safety Related
Issues or Concerns on page 24.
WARNING: To avoid risk of electric shock, this equipment must only be connected to
a supply mains with protective earth (ground).

iv Preface
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Contents v
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
Intended Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
Quality and Regulatory Systems. . . . . . . . . . . . . . . iii
Health and Safety Information . . . . . . . . . . . . . . . . iii
Section 1. Introduction . . . . . . . . . . . . . . . . . . 1
Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Products, Options and Accessories . . . . . . . . . . . . 1
MapCHECK 3 Quick Start Procedure . . . . . . . . . . . 2
Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Connect Hardware and Launch Software . . . . . 3
Overview of SNC Patient Software . . . . . . . . . . 4
Section 2. Operation . . . . . . . . . . . . . . . . . . . . 5
Temperature Equilibrium. . . . . . . . . . . . . . . . . . . . . 5
Background Measurement . . . . . . . . . . . . . . . . . . . 5
Array Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Array Calibration Conditions. . . . . . . . . . . . . . . . 5
Array Calibration Modes. . . . . . . . . . . . . . . . . . . 5
Flattening Filter Free (FFF) Beams . . . . . . . . . . . 6
Array Calibration Procedure . . . . . . . . . . . . . . . . 6
Recalibration Interval . . . . . . . . . . . . . . . . . . . . . 6
Absolute Dose Calibration. . . . . . . . . . . . . . . . . . . . 6
Dose Rate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Absolute Dose for Static Deliveries . . . . . . . . . . . . 6
Determine the Known Dose. . . . . . . . . . . . . . . . 6
Recommended Method . . . . . . . . . . . . . . . . 6
Alternate Methods. . . . . . . . . . . . . . . . . . . . . 7
Deliver Absolute Dose Calibration
Measurement . . . . . . . . . . . . . . . . . . . . . . . . 7
Absolute Dose for Rotational Deliveries . . . . . . . . . 8
Determine the Known Dose. . . . . . . . . . . . . . . . 8
Deliver Absolute Dose Calibration
Measurement . . . . . . . . . . . . . . . . . . . . . . . . 9
Set Up File Manager . . . . . . . . . . . . . . . . . . . . . . . . 9
Creating a New Patient Plan. . . . . . . . . . . . . . . . 9
Adding Files to Patient Plan . . . . . . . . . . . . . . . . 9
Position MapCHECK 3 for Measurement . . . . . . . . 9
Measurement Without MapPHAN Accessory . . 9
Measurement with MapPHAN Accessory . . . . 10
Acquire Measurement . . . . . . . . . . . . . . . . . . . . . . 10
MapCHECK 3 Measurement File Formats . . . . 11
Import Planned Dose. . . . . . . . . . . . . . . . . . . . . . . 11
Compare Device Measured to Planned Dose . . . . 12
Section 3. Support and Maintenance . . . . . . 13
Hardware Maintenance . . . . . . . . . . . . . . . . . . . . . 13
Minimizing Radiation Damage . . . . . . . . . . . . . 13
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Disposal and Recycling. . . . . . . . . . . . . . . . . . . 13
Maintaining Firmware . . . . . . . . . . . . . . . . . . . . . . 14
Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Shutdown. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Contacting Sun Nuclear Support . . . . . . . . . . . . . . 15
Support Website . . . . . . . . . . . . . . . . . . . . . . . . 15
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Section 4. Hardware Reference. . . . . . . . . . . 17
Top and Bottom Panels . . . . . . . . . . . . . . . . . . . . . 17
Detector Array . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Connector Panel . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Status LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Detector Plane Marking. . . . . . . . . . . . . . . . . . . . . 19
Section 5. Specifications . . . . . . . . . . . . . . . 21
System Requirements . . . . . . . . . . . . . . . . . . . . . . 21
MapCHECK 3 Specifications . . . . . . . . . . . . . . . . . 21
Appendix A: Regulatory Supplement . . . . . . 23
Sun Nuclear Corporation Symbols . . . . . . . . . . . . 23
Operator Responsibility . . . . . . . . . . . . . . . . . . . . . 24
Reporting Health or Safety Related Issues or
Concerns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Modifications to Equipment . . . . . . . . . . . . . . . . . 24
Interaction with Other Electrical Equipment . . . . . 24
Contents

vi Contents
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Parts 1
1 Introduction
Parts
Figure 1-1. Parts Provided with MapCHECK 3
No. Part Number Qty Description
11178400Z 1MapCHECK 3
2801073Z 1Power and data cable, 8-pin DIN, M/M, 25 m (82 ft.), blue
3801041Z 1USB Cable, A-B male, 2 m (6.5 ft.)
4801008Z 1Line power cord, plug style based on shipping address
50224502Z 1Power supply, switching, 110-240 VAC, 50-60 Hz to 18 VDC, filtered
60224500Z 1Power Data Interface (PDI) 3.0
-- 1177150 1Storage and carry case (not shown)
-- 1178012 1MapCHECK 3 User Guide (this guide, not shown)
-- 0224011 1Bulletin 02-09, Power Data Interface (PDI) 3.0 (not shown)
Products, Options and Accessories
Additional products, options, or accessories may be included in the shipment depending on
purchase options.
PC (provided by
user)
1
2
3
4
5
6
Table 1-1. Optional Accessories for MapCHECK 3
Part Number Description
801074Z Power and data cable, 8-pin DIN, M/M, 40 m (131 ft.), blue
1177000-VZ
1177000-SZ
1177000-EZ
Isocentric Mounting Fixture
1122000-EZ
1122000-EAZ
1122000-VZ
Gantry Mounting Fixture

2Section 1. Introduction
The following documents provide information about MapCHECK 3 accessories:
• Isocentric Mounting Fixture or Gantry Mounting Fixture: IMF/GMF User Guide, P/N 1122014
•MapPHAN:MapPHAN User Guide, P/N 1083012
MapCHECK 3 Quick Start Procedure
Perform the following steps to begin using MapCHECK 3
1 Download software, license, manuals, and virtual CT images.
a. Log in to the Sun Nuclear Support site at www.sunnuclear.com/support (see Support
Website on page 15) and navigate to the product panel for your MapCHECK 3 (by serial
number).
b. In the Product Downloads panel, select Generate Software License and follow the on-
screen instructions to save the license file.
c. Under Download Type select Software (Current Version), and then download the
appropriate SNC Patient software version for your PC (32-bit or 64-bit).
d. Under Download Type select Documentation, and then download the SNC Patient Soft-
ware Reference Guide.
e. If you will use MapCHECK 3 to perform VMAT QA measurements during which the gantry
rotates around the phantom, download a virtual CT phantom of MapCHECK 3 in a Map-
PHAN accessory. Select Download Type > CT Data, and then select the virtual phantom
that matches the buildup of your MapPHAN (5 cm or 10 cm). Each virtual phantom
includes an RT Structure that provides density overrides for each region.
2 Right-click the downloaded software executable and select Run as Administrator. When
prompted for the location of the license file, move the license file into the default directory
displayed on-screen. The software is now ready for use.
3 Set up MapCHECK 3 and connect cables. See Setup on page 3.
4 Using SNC Patient software, perform array calibration in ‘Standard’ mode. See Array
Calibration on page 5.
5 Using SNC Patient software, perform absolute dose calibration. See Absolute Dose
Calibration on page 6.
6 Using your TPS software, plan a static 10 cm x 10 cm field (or machine-specific reference) on
the MapCHECK 3 phantom and export DICOM RT Dose and RT Plan files.
7 Set up the MapCHECK 3 to the linac using the same setup as Step 6. See PositionMapCHECK
3 for Measurement on page 9.
1122-AZ Adapter plate for Gantry Mounting Fixture


1083000-0
1083000-1
Homogeneous water equivalent phantom that holds MapCHECK 3 at isocenter for
rotational dosimetry
• Model 1083 MapPHAN™ 5 cm
• Model 1083 MapPHAN™ 10 cm
1174105Z Solid Water® HE 30.0 cm x 35.2 cm x 0.5 cm buildup plate
1174106Z Solid Water® HE 30.0 cm x 35.2 cm x 1.0 cm buildup plate
1174107Z Solid Water® HE 30.0 cm x 35.2 cm x 2.0 cm buildup plate
1174108Z Solid Water® HE 30.0 cm x 35.2 cm x 5.0 cm buildup plate
WARNING: Use only parts and accessories supplied by Sun Nuclear for use with
MapCHECK 3. Use of other devices may result in incorrect measurements.
Table 1-1. Optional Accessories for MapCHECK 3 (Continued)
Part Number Description
Note: Each image in the virtual CT phantom is 512 x 512 pixels to allow use in most
treatment planning systems.

Setup 3
8 Using SNC Patient software, click Start and then turn on the beam. When the beam turns off,
click Stop. The radiation dose distribution is displayed in Set 1. See Acquire Measurement on
page 10.
9 Right-click in the Set 2 panel, select Open DICOM Plan/Dose File Set from the right-click
menu, select the DICOM data that you exported in Step 6, and then click Open. The planned
dose appears in Set 2. See Import Planned Dose on page 11.
10 Compare the MapCHECK 3 measurement to the planned dose. See Compare Device
Measured to Planned Dose on page 12.
If device measured to planned dose comparisons do not exhibit a satisfactory level of
agreement, investigate these differences as described in Eliminating Sources of Error in the
SNC Patient Software Reference Guide or online Help.
Setup
Connect Hardware and Launch Software
1Verify that the power source matches the power requirements. The power source must be
earth grounded.
2 Connect cables as shown in Parts on page 1. Route the 25 m power and data cable from the
control room to the treatment room such that it does not present a trip hazard.
3 Right-click SNC Patient desktop icon and select Run as administrator.
• The software checks the license and verifies computer hardware requirements.
• The software finds the connected device and then initiates a background measurement.
During the background measurement, each detector is checked for leakage. If leakage
exceeds the specified threshold, the detector is automatically disabled and a warning is
displayed.
Note: The MapCHECK 3 must be used with the provided PDI 3.0, blue power and data
cable, and PDI power supply. Other PDI devices (such as PDI 2.0) and other power and
data cables (such as the gray cable) are not supported for use with MapCHECK 3.
PDI 3.0 and the blue PDI power and data cable are compatible with all Sun Nuclear
products that use a PDI device.
CAUTION: If a system hardware warning is displayed, the computer hardware should
be upgraded as soon as possible. Otherwise, multi-frame measurement files may
display ‘missed’ updates, which could affect various analyses that require real-time
data.

4Section 1. Introduction
Overview of SNC Patient Software
Figure 1-2. Example of MapCHECK 3 Data Displayed in SNC Patient Software
No. Description
1Menu and toolbar
2Set 1 panel – displays device measured data or other data types
3Set 2 panel – displays planned dose data or other data types
4Profile and Histogram panel – displays a profile across a selected axis or displays a histogram
5Dose Summary/Statistics panel – displays absolute dose values or gamma/dose difference summary
index
6Compare panel – compares the data loaded in Sets 1 and 2
7Analysis panel – select analysis type, analysis criteria, and comparison results displayed in
Compare panel.
1 2 3
456
7