recotom®

Innovative Reconstruction Engine

Based on proprietary, undisclosed MedCom technology

recotom® is a new algorithmic approach for reconstructing tomographic volumes from a series of X-ray projections. It has been designed and optimized for any type of CBCT scans – however the same principle applies also on conventional CT scanners

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recotom® is a new algorithmic approach for reconstructing tomographic volumes from a series of X-ray projections. It has been optimized for any type of CBCT scans – however the same principle applies also on conventional CT scanners recotom® is based on proprietary, undisclosed MedCom technology. No matter if you compare to Feldkamp (FDK), weighted back projection (WBP) or iterative reconstruction (IR), recotom® will clearly outperfom in terms of reconstruction quality, flexibility, versatility and speed.

recotom® functionality is organized in 3 blocks:
a) Calibration. Performed in the factory when calibrating a new device, in the field by company employee during maintenance, or by local user during the periodical QA procedure. All automatic approch uses MedCom’s GeoCal® phantom designed to eliminate any interaction with the user
b) Reconstruction. Offers functionalities like jitter suppression, motion suppression, MAR, soft tissue, bone enhancement, low dose, etc
c) Quality assurance – QA. Uses daily patient data in the field to continuously monitor the calibration quality and notify the user in case of deviation from the factory values

recotom and FDK

Reconstruction Features

Metal artefacts suppression (MAR)

MAR spine recotom OFFMAR spine recotom ON

Practically eliminates metal artefacts and related effects

recotom off - Dose Reductionrecotom on - Dose Reduction

Calibration-free beam-hardening and scatter correction

Auto-estimation and correction of scatter
HU values approximation

BHC6 with no recotomBHC6 with ON recotom

Auto-estimation and correction of beam-hardening
Individual correction estimated based just on scanned data

Motion correction

Motion Correction OFFMotion Correct with recotom

Detects patient motion and compensates for it
Overall sharper edges

elbow Motion Correction with recotom OFFelbow Motion Correction with recotom

“Virtual immobilization”
No markers, no pre-conditions, just patient data

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More Features…

Jitter suppression

recotom - ONoff- Jitter Suppression
  • Individually detects and corrects stochastic vibrations (jitter)
  • Individual correction on every scan

Soft tissue kernel

recotom on - Soft Tissue Kerneloff - Soft Tissue Kernel
  • Special kernel enhances soft tissue contrast
  • Bone sharpness remains unchanged

Dose reduction

recotom on - Dose Reductionoff - Dose Reduction
  • Needs only 1/3 of the usual number of X-ray projections
  • Reduces exposure to 1/3

Bone kernel

Off - Bone Kernelrecotom on -
  • Special kernel enhances bone contrast

| Calibration Monitoring

Quality Assurance

  • Uses daily patient scans, no phantom needed
  • Monitors deviation from factory values
  • “Traffic light” warnings

Speed up detection. Reduce errors. Improve outcomes

  • NVIDIA RTX3090
  • 360 X-ray images, 1024×768 pixels each
  • 512³ reconstructed voxels (volume size)
  • CBCT basic reconstruction: 7 sec
  • metal suppression:    + 8 sec
  • Windows
  • Linux

Factory

Customer location

Calibration

  • Optimized phantoms
  • Calibration curves
  • No user interaction

Reconstruction

  • Jitter correction
  • Patient movement correction
  • MAR
  • Dose reduction
  • Bone & soft-tissue kernels
  • “Calibration-free” scatter and beam hardening correction
  • … and more

QA

  • Permanent calibration monitoring
  • Uses patient data
  • Warning by substantial deviations

Geometric Calibration

| GeoCal® phantoms

  • Designed for optimal results
  • Auto-detection and estimation of all scanner parameters
  • No additional input parameters or user interaction required

| Calibration procedure

  • Designed for optimal results
  • Auto-detection and estimation of all scanner parameters
  • No additional input parameters or user interaction required