EndoNaut Fusion Imaging & Navigation

Make your OR ready for new challenges with EndoNaut, a unique image fusion system compatible with any C-arm!

Upgrade your OR NOW

EndoSize Structural Heart planning

AI-based software to empower physicians with the most user-friendly case planning solutions for TAVI/TAVR and TMVR treatments.

Try now

EndoSize Endovascular procedure planning

Fully plan your cases in minutes with EndoSize! Take control of the treatment strategies and the placement of devices.

Try now

AI-based software to make the most of image data – Easily

From case planning with EndoSize® to intra-operative navigation with EndoNaut®, we design the most advanced and user-friendly imaging software toolset for cardiovascular procedures. Our software help physicians and healthcare professionals to efficiently plan and safely execute minimally invasive endovascular interventions. EndoSize and EndoNaut embed cutting-edge data processing algorithms including AI, deep learning, and biomechanical simulation.

Get to know EndoSize® and EndoNaut®.

Endovascular Case Planning in Minutes

More information

Fusion & Navigation for any C-arm

More information

Celebrating 15 years of innovation

Therenva and Ziehm Imaging joined forces to deliver the most advanced solutions to the highest demands of cardiovascular professionals, from procedure planning to treatment follow-up through the best mobile C-arm imaging, planning, navigation and fusion imaging suite.

Therenva is a passionate 15-year-old teenager and we are proud of our mother company Ziehm celebrating her 50 years of continuous innovation too!

Stay tuned for new clinical applications and more stunning features to come through EndoSize and EndoNaut !

Contact Us

Upcoming Events

Card image cap
March 9-11, 2025 Maastricht, Netherlands

EVC 2025

Attend our shared workshop along with Artivion at the 28th European Vascular Course, to witness a live endovascular sizing demonstration using EndoSize software, showcasing high precision and accuracy.
Card image cap
February 26 - March 2, 2025 Vienna, Austria

ECR 2025

Join us at the Ziehm Imaging booth to discover how EndoNaut can enhance your endovascular procedures, by using an intraoperative navigation system with image fusion.
Card image cap
January 27-30, 2025 Dubai, United Arab Emirates

Arab Health 2025

Discover our Mobile Hybrid Suite at Arab Health 2025, where EndoNaut will be exhibited along with Ziehm Imaging C-arms, demonstrating its leading image fusion technology.

R&D Partners

We are thankful to institutional players for their support and trust in joining forces with tech leaders to build the next generation of navigation systems