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6 Scanning
6 Scanning
This chapter describes the procedures to follow for a proper patient's or denture positioning and examination.
The exact procedure to perform a scan on a patient or on a denture can be found in the corresponding
chapter inside the “
Acquisition Operations with NewTom VGi-5G” document , annex to the “ NNT User
Manual” document.
It is also suggested to refer to Chapter 2 - “About safety“ and Chapter 3 - “Safety and maintenance of the
device“
It is possible to perform the scans in the following modalities:
–
[18x16] (volume diameter 18cm, height 16cm);
–
[15x22e] (eFOV scan) 3
–
[15x12];
–
[12x8];
–
[8x8];
–
[15x5] HiRes (High Resolution);
–
[12x8] HiRes;
–
[8x8] HiRes;
–
[6x6] HiRes.
WARNING:
Use the smallest field of view required, based on the clinical
requirements. In general, for small size and pediatric patients
it is recommended to use the smallest FOVs available (i.e.,
6x6, 8x8, 12x8, 15x5).
It is possible to perform the scans with 3 different options for each reported modalities 4 :
–
Eco Scan: < image quality, < exposure time for all modalities
< scan time only for HiRes modalities
–
Regular Scan: default option for image quality, scan time and exposure time
–
Enhanced Scan: > image quality, > scan time and exposure time
WARNING:
For children, we recommend using the lowest dose and
fastest scanning mode available: ECO SCAN.
3 FOV available only with the patient table with stretcher and software option enabled.
4 “Enhanced Scan” option not available in case of eFOV scan
NewTom 5G – User Manual 6-1