1. Computer Vision Laboratory
Automatic Vein Pressure Measurement using Ultrasound
Orçun Göksel
Computer Vision Laboratory
ETH Zürich
Vincent Baumann
VeinPress GmbH

2. Central Venous Pressure (CVP)
Blood pressure in thoracic vena cava, near right atrium
Amount of blood returning to the heart
Ability of the heart to pump the blood into the arterial system
CVP for monitoring hemodynamics
Preload
Volume overload
Cardiac failure
Sepsis …
Bern,
CTI MedTech Event: Venous Pressure Measurement

3. Conventional Measurement
Catheterization of subclavial or internal jugular vein
Bern,
CTI MedTech Event: Venous Pressure Measurement

4. CTI MedTech Event: Venous Pressure Measurement
Our Technique
Bern,
CTI MedTech Event: Venous Pressure Measurement

5. Automatic Measurement Device
Bern,
CTI MedTech Event: Venous Pressure Measurement

6. CTI MedTech Event: Venous Pressure Measurement
Measurement Process
Bern,
CTI MedTech Event: Venous Pressure Measurement

7. CTI MedTech Event: Venous Pressure Measurement
Under the Hood
Robust detection
Noisy compression data
(a)
(b)
(c)
Statistical and Model-based
processing
Multiple candidates
Bern,
CTI MedTech Event: Venous Pressure Measurement

8. CTI MedTech Event: Venous Pressure Measurement
Results
Preliminary Study
* Clinical study is ongoing
at University Hospital Basel,
Angiology Clinic
(led by Dr. med. Stephan Imfeld)
Bern,
CTI MedTech Event: Venous Pressure Measurement

9. CTI MedTech Event: Venous Pressure Measurement
Bern,
CTI MedTech Event: Venous Pressure Measurement

10. CTI MedTech Event: Venous Pressure Measurement
Why VeinPress
Catheter
VeinPress
Method
Invasive
Non-invasive
Bern,
CTI MedTech Event: Venous Pressure Measurement

11. CTI MedTech Event: Venous Pressure Measurement
Why VeinPress
Catheter
VeinPress
Method
Invasive
Non-invasive
Complications
Severe and several
None
Bern,
CTI MedTech Event: Venous Pressure Measurement

12. CTI MedTech Event: Venous Pressure Measurement
Why VeinPress
Catheter
VeinPress
Method
Invasive
Non-invasive
Complications
Severe and several
None
Time
>20 minutes
1 minute
Bern,
CTI MedTech Event: Venous Pressure Measurement

13. CTI MedTech Event: Venous Pressure Measurement
Why VeinPress
Catheter
VeinPress
Method
Invasive
Non-invasive
Complications
Severe and several
None
Time
>20 minutes
1 minute
Personnel
Trained physician +assistant
A nurse
Bern,
CTI MedTech Event: Venous Pressure Measurement

14. CTI MedTech Event: Venous Pressure Measurement
Why VeinPress
Catheter
VeinPress
Method
Invasive
Non-invasive
Complications
Severe and several
None
Time
>20 minutes
1 minute
Personnel
Trained physician +assistant
A nurse
Material cost / procedure
CHF 250+
Minimal
Bern,
CTI MedTech Event: Venous Pressure Measurement

15. CTI MedTech Event: Venous Pressure Measurement
Why VeinPress
Non-invasively
The only validated method
No Complications
Benefit to patient
90% cost reduced
Benefit to Healthcare System
Bern,
CTI MedTech Event: Venous Pressure Measurement

16. Potential Medical Applications
Research tool
Clinical focus areas:
Venous diseases, e.g. thrombosis
Urgency: Bleeding, sepsis, volume overload
Chronic brain edema in low gravity
Others
Bern,
CTI MedTech Event: Venous Pressure Measurement

17. CTI MedTech Event: Venous Pressure Measurement
Ongoing Projects 1
ETH Computer Vision Lab
Prof. Dr. Orcun Göksel 2
University of Basel (CH)
Dr. med. S. Imfeld
Dr. med. M. Aschwanden
Angiology Clinic 3
NASA, Houston (USA)
Dr. Dean Martin
Head of Ultrasound
University of Zurich (CH)
PD Dr. med. Ch. Thalhammer
Angiology Clinic 6 4 5 5
University of Bari (I)
Prof. C. Caiati
University of Toulon (FR)
Starting in 11/2014
Bern,
CTI MedTech Event: Venous Pressure Measurement

18. CTI MedTech Event: Venous Pressure Measurement
VeinPress Team
Dr. Markus Widmer
Engineering
Dr. med. Ulrich Baumann
Medical
Vincent Baumann
Legal
Dr. med. Eric Odenheimer
Production / Sales
Bern,
CTI MedTech Event: Venous Pressure Measurement

19. Looking into the Future
Bern,
CTI MedTech Event: Venous Pressure Measurement

20. CTI MedTech Event: Venous Pressure Measurement
We would like to thank…
CTI
Wirtschaftsförderung, Kanton Bern
ETH Zurich, Computer Vision Lab
Patrick Roth, CCMT
All clinical partners
Prof. em. Kurt Jäger
Bern,
CTI MedTech Event: Venous Pressure Measurement

21. Stay tuned @ www.veinpress.com
Thank you!
for your vote
Stay

22. Questions?