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QFR® 2.1
Simpler, faster, non-invasive coronary physiology powered by AI deep learning
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What are the benefits of using QFR®?

Proven accuracy

QFR® is proven to have good correlation and agreement with FFR, by 15.000+ patients and 17.000+ lesions in 150+ peer-reviewed articles.

Proven accuracy

QFR® is proven to have good correlation and agreement with FFR, by 15.000+ patients and 17.000+ lesions in 150+ peer-reviewed articles.

Time & cost efficiency

No pressure wire, no adenosine, reduces treatment costs and procedure time.

Time & cost efficiency

No pressure wire, no adenosine, reduces treatment costs and procedure time.

User friendly

Simpler intuitive workflow, applicable for online and offline usage.

User friendly

Simpler intuitive workflow, applicable for online and offline usage.

Clinical benefits of using QFR®

Quality control

QFR® can be used for the assessment of the result post-PCI , thereby facilitating quality control

Quality control

QFR® can be used for the assessment of the result post-PCI , thereby facilitating quality control

Saving 2nd intervention procedure

QFR® allows assessment of non-culprit lesions to decide on Yes or No staged procedure, potentially saving the second intervention procedure

Saving 2nd intervention procedure

QFR® allows assessment of non-culprit lesions to decide on Yes or No staged procedure, potentially saving the second intervention procedure

What are the features of QFR®?

What are the features of QFR®?

Image Acquisition

- Can be applied to monoplane and biplane system to fit the local clinical settings
- Automated calibration based on Isocenter data
- Patented acquisition guiding toll for optimal X-ray angulation

Image analysis

- Automated calibration based on Isocenter data
QFR® provides 2 different flow models:
- Fixed flow QFR®, using fixed flow velocity
- Contrast QFR® based on the contrast frame count. Automatic Frame Counting or Manual Frame Counting

QFR® results

- 3D anatomic info for stent sizing
- Allows prioritization of serial lesions
- Residual QFR® predicts the effect of an intervention on the resulting QFR® value
- User Lesion: Lesions can be combined by adding user lesion, so the lesion can be compared for optimal treatment planning

Image Acquisition

- Can be applied to monoplane and biplane system to fit the local clinical settings
- Automated calibration based on Isocenter data
- Patented acquisition guiding toll for optimal X-ray angulation

Image analysis

- Automated calibration based on Isocenter data
QFR® provides 2 different flow models:
- Fixed flow QFR®, using fixed flow velocity
- Contrast QFR® based on the contrast frame count. Automatic Frame Counting or Manual Frame Counting

QFR® results

- 3D anatomic info for stent sizing
- Allows prioritization of serial lesions
- Residual QFR® predicts the effect of an intervention on the resulting QFR® value
- User Lesion: Lesions can be combined by adding user lesion, so the lesion can be compared for optimal treatment planning

QFR 2.1 leaflet image for website
QFR Leaflet
QFR 2.1 product sheet image for website
QFR Product Sheet
QFR 2.1 product sheet image for website
QFR Pay Per Use
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XA Hardware Requirements

What our customers say

‘QFR is a simplified and cost effective way of functional testing without any potential for complications during testing’.
Dr. A. Sreenivas Kumar
Dr. A. Sreenivas KumarChairman Cardiovascular Sciences & Chief Cardiologist Citizens Hospital Nallagandla, Hyderabad, India
‘Since the installation of QFR in my cathlab, I no longer use wire FFR anymore’.
Dr. Jean Fajadet
Dr. Jean FajadetClinique Pasteur, Toulouse, France
‘QFR it is a robust technology and it provides good diagnostic data and guiding information’.
Dr. Niels Holm
Dr. Niels HolmAarhus University, Denmark
‘I’m a strong believer QFR adds invaluable parameters to the diagnostic angiogram. This will move us to one test that will give us all the information.’
Professor Andreas Baumbach
Professor Andreas BaumbachChair for Device Innovation, Queen Mary University of London, UK
'State-of-the-art approach in acute coronary syndrome targets on the ''pancoronary risk''. – This can be assessed easily, safely and reproducibly by QFR.'
Prof. Dr. Leistner
Prof. Dr. LeistnerCharité Berlin - Benjamin Franklin
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    Medis Medical Imaging Systems BV
    Schuttersveld 9, 2316 XG Leiden
    P.O. Box 384, 2300 AJ Leiden, The Netherlands

    ©2022 Medis Medical Imaging Systems B.V. All rights reserved.
    Last updated: 16-04-2022