Preventive Maintenance & Regulatory Requirement Schedule

Written on Aug 8, 2017

Vatech America recommends that you contact your Authorized Dealer for service. Most service is outlined in your user manual 'Care & maintenance" section.

 

 

Maintenance Objectives:

 

Typically your dealer will do a visual inspection of the unit of the most common operational protocols up to but not limited to the following:

  • General Operation
  • Inspect all belts for wear
  • Inspect all cabling for any damaged or accelerated wear
  • Inspect / clean / service - all rail guides, worm gears and other like moving parts -  for dust, debris and lubricate with a fine White Lithium Grease
  • Recommends your dealer technician access the following link to download the general PM schedule and also keep this on file for any inspection.
  • Manufacture specific performance testing requirements.

Typically Daily/monthly/yearly CT calibration checks are not required unless outlined in your local State/Province special requirements (See local regulations). In some cases certain areas will require even when not technically needed; a specific yearly check or evaluation process for record.

 

 

Maintenance Schedule:

 

The following should be used In those areas requiring more frequent checks, please see the attached Manual schedule for CT Check Maintenance Schedule. 

 

  • Please always consult with your local physicist to set up maintenance schedule for your X-Ray device.  
  • If you need a phantom kit to test your X-Ray device, please contact your local dealer.  

 

Vatech Recommended Quality Test     Document VUS-CS-TEC-001
No Mode Description Recommended
Frequency
Instrument Remedial Level
1 Pano/Ceph Alignment of the X-Ray beam (4% Cut) Yearly View 16 R: 1~6 pixel
L: 1~6 pixel
T: 10~20 pixel
B: 10~20 pixel
※ Please refer to technical manual for each product
2 CT Alignment of the X-Ray beam (4% Cut) Yearly View 16 R: 1~6 pixel
L: 1~6 pixel
T: 10~20 pixel
B: 10~20 pixel
※ Please refer to technical manual for each product
3 Pano/Ceph Line Pair Resolution Yearly View 16 ≥ 2.5 lp/mm should be visible
4 Pano Panoramic Layer (Geometry) Yearly View 16 1. Pano Ball Phantom Center Pin Standard
Within 1386 pixels ± 10 pixels

2. Pano Ball Phantom Left/Right Pin Distance
Within ± 10 pixels
The discrepancy between right and left pin value from the center

3. Pano Ball Phantom Left/Right Pin Height from the bottom of the image
Within ± 13 pixels
※ Please refer to technical manual for each product
5 CT Slice Thickness Yearly Ez3D Plus or Ez3D-i 38 mm ~ 40 mm
6 CT CT Noise Yearly EzEval 0 ~ 150
7 CT Image Homogeneity - Uniformity Yearly EzEval 0 ~ 150
8 CT Mean CT Number Yearly EzEval Air: -900 ~ -1030
Water: -20 ~ +20
Teflon: +900 ~ +1100
9 CT Low Contrast Resolution Yearly Ez3D Plus or Ez3D-i ≤ 8 mm hole should be visible
10 CT High Contrast Resolution Yearly Ez3D Plus or Ez3D-i ≤ 1 mm hole should be visible

 

 

 

 

 

 

 

 

 

 

 

QA Maintenance Download:

Please download QA Maintenance Schedule here.  and retain for your records.

 

 

Regulatory By State Requirements:

All State and local codes are to be provided by the respected local regulatory commissions or agencies in your area. For the Regulatory guide by State; simply locate the document for your state please visit here:  Regulatory by State .

Note: Vatech America provides the fore mentioned solely as a guide line; and can change with out notice. Please check with your local regulatory for any discrepancies.