ENHANCING COMPLEX EVAR PRECISION
WITH THE RIGHT FENESTRATION-OSTIUM ALIGNMENT
PlanOp™ Aortic FEVAR
Using digital twin to enhance safety and accuracy of custom-made endograft designs*
Growing scientific evidence shows that digital twin technology is both safe and accurate for custom-made endograft designs
For complex EVAR, check with PlanOp that the custom endograft design is a perfect fit for your patient. Adjust fenestration position according to simulation and avoid misalignment issue on the day of the procedure*.
99% Spot on
Right alignment fenestrations Vs ostia²
100% technical success
in fen catheterization and stenting²
100% technical success
in fen catheterization and stenting²
Why PlanOp™ Aortic FEVAR?
Accurate simulations for short interventions times*
Right fenestration – Ostium alignment
- In tortuous anatomies, not taking into account the interaction between the custom made endograft and the aorta can lead to significant fenestrations malposition.
- As the interactions between the custom made endograft and the aorta are taken into account, PlanOp ® anticipates fenestration misalignment.
- PlanOp® computes fenestrations positions iteratively, until the right alignment with the corresponding ostia is obtained;
- Prospective use of PlanOp for fenestration positioning in custom made endograft results in median catheterization time as low as 60 sec³.
3: Commercial post-market registry (95 patients, 363 fenestrations).
Selecting the right size device for your intervention
Digital simulation supports physicians in selecting the right device before the intervention. It takes into account the different devices’ interactions, allowing results closer to the reality.
Retrospective simulations
Misaligned fenestrations detection
Retrospective simulation of this cases shows that the fenestration was not well positioned. This is probably due to initial use of 3D-printed model for fenestration positioning, which does not take into account the interactions between endograft and aorta.
Scientific evidences
Numerical simulation vs in-vitro test
Validation of fenestration position
This study compared the accuracy of fenestration positioning in fenestrated stent grafts for complex aortic abdominal aneurysms using numerical simulation (NS) and in vitro testing. Conducted across six European centers, 50 patients were included, with 176 fenestrations analyzed.
The results showed:
- Numerical simulation was as accurate as in vitro testing, with differences in positioning within 2.5 mm for 98-99% of fenestrations.
- Numerical simulation significantly reduced the process duration from 20.6 days to 2.1 days.
- Numerical simulation can accurately and efficiently position fenestrations, decreasing the delivery time of fenestrated stent grafts.
Realistic simulation thanks to digital twin technology*
Computational prediction of proximal sealing in endovascular abdominal aortic aneurysm repair with unfavorable necks
Anatomic data extracted from the preop CT-scan were used to simulate stent-graft deployment using finite element technology.
The 3D simulation closely matched postoperative CT scans, accurately predicting the stent-graft collapse and the deformation of three stent rings distal to the fenestration zone.
Dr. Lucie Derycke paper:
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