Automatic Vein Pressure Automatic Vein Pressure Measurement using UltrasoundMeasurement using Ultrasound

OrOrççun Gökselun GökselComputer Vision LaboratoryComputer Vision Laboratory

ETH ZürichETH Zürich

Vincent BaumannVincent BaumannVeinPress GmbHVeinPress GmbH

Central Venous Pressure (CVP)

Bern, 02.09.2014 2CTI MedTech Event: Venous Pressure Measurement

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

…

Conventional Measurement

Bern, 02.09.2014 3CTI MedTech Event: Venous Pressure Measurement

Catheterization of subclavial or internal jugular vein

Our Technique

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Automatic Measurement Device

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Measurement Process

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Under the Hood

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Noisy compression data

Statistical and Model-basedprocessing

Multiple candidates

Robust detection

(a)

(b)

(c)

Results

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Preliminary Study

* Clinical study is ongoing

at University Hospital Basel,

Angiology Clinic

(led by Dr. med. Stephan Imfeld)

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Why VeinPress

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Catheter VeinPress

Method Invasive Non-invasive

Why VeinPress

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Catheter VeinPress

Method Invasive Non-invasive

Complications Severe and several None

Why VeinPress

Bern, 02.09.2014 12CTI MedTech Event: Venous Pressure Measurement

Catheter VeinPress

Method Invasive Non-invasive

Complications Severe and several None

Time >20 minutes 1 minute

Why VeinPress

Bern, 02.09.2014 13CTI MedTech Event: Venous Pressure Measurement

Catheter VeinPress

Method Invasive Non-invasive

Complications Severe and several None

Time >20 minutes 1 minute

PersonnelTrained physician

+assistantA nurse

Why VeinPress

Bern, 02.09.2014 14CTI MedTech Event: Venous Pressure Measurement

Catheter VeinPress

Method Invasive Non-invasive

Complications Severe and several None

Time >20 minutes 1 minute

PersonnelTrained physician

+assistantA nurse

Material cost / procedure CHF 250+ Minimal

The only validated methodNon-invasively

No ComplicationsBenefit to patient

90% cost reducedBenefit to Healthcare System

Bern, 02.09.2014 15CTI MedTech Event: Venous Pressure Measurement

Why VeinPress

Research tool

Clinical focus areas: Venous diseases, e.g. thrombosis Urgency: Bleeding, sepsis, volume overload Chronic brain edema in low gravity Others

Potential Medical Applications

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University of Basel (CH)Dr. med. S. ImfeldDr. med. M. AschwandenAngiology Clinic

University of Zurich (CH)PD Dr. med. Ch. ThalhammerAngiology Clinic

University of Bari (I)Prof. C. Caiati

NASA, Houston (USA)Dr. Dean MartinHead of Ultrasound

University of Toulon (FR)Starting in 11/2014

ETH Computer Vision LabProf. Dr. Orcun Göksel

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Ongoing Projects

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Dr. med. Ulrich Baumann

Medical

Dr. med. Eric OdenheimerProduction / Sales

Vincent BaumannLegal

Dr. Markus WidmerEngineering

VeinPress Team

Bern, 02.09.2014 18CTI MedTech Event: Venous Pressure Measurement

Looking into the Future

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CTI

Wirtschaftsförderung, Kanton Bern

We would like to thank…

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ETH Zurich, Computer Vision Lab

Patrick Roth, CCMT

All clinical partners

Prof. em. Kurt Jäger

Thank you!

Stay tuned @ www.veinpress.com

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