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Vatech Smart Plus PHT-35LHS User Manual

Vatech Smart Plus PHT-35LHS
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Smart Plus (PHT-35LHS)
Technical Manual
VT-TECH-Smart Plus-001
88 / 188
COPYRIGHT© 2018 VATECH.
ALL RIGHTS RESERVED
8. CBCT Image Inspection
To perform the CBCT Image Inspection in Smart Plus (PHT-35LHS), the operator should follow the
standards and procedures below.
Before CBCT Image Inspection
1. Run VAKCAP.exe -> Click Settings tab -> Double-click reconstruction.vxm
2. Make sure that the UseArcCut value is as follows:
UseArcCut = 0
If not, change the value, save the file, and exit.
8.1. CBCT Image Inspection Standard
The following phantoms must be prepared in advance to perform CBCT image
inspection.
- S&C Check Phantom
- M&R Check Phantom
- Uniformity Check Phantom
- Geometry Check Phantom
- CT Number Check Phantom
High Contrast Resolution & Low Contrast Resolution Standard Value
Parameters
USL
(Upper Specification Limit)
High Contrast Resolution
1.0 mm
Low Contrast Resolution
8.0 mm
Contrast / Noise / Homogeneity Standard Value
Parameters
LSL
(Lower Specification Limit)
USL
(Upper Specification Limit)
Contrast <1000HU> 1.50 3.50
Noise 0.00 200.00
Homogeneity 0.00 250.00
Geometry Standard Value
Parameters LSL
(Lower Specification Limit)
USL
(Upper Specification Limit)
Eccentricity
0.97
1.00
Circle Area Ratio
0.80
1.20
CT Number Standard Value
Parameters
LSL
(Lower Specification Limit)
USL
(Upper Specification Limit)
Air CT Number
-1030
-900
Water CT Number
-20
20
Teflon CT Number
900
1100

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Vatech Smart Plus PHT-35LHS Specifications

General IconGeneral
BrandVatech
ModelSmart Plus PHT-35LHS
CategoryMedical Equipment
LanguageEnglish

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