Annals of Biomedical Engineering

, Volume 46, Issue 6, pp 841–848 | Cite as

A Novel Plasma-Based Fluid for Particle Image Velocimetry (PIV): In-Vitro Feasibility Study of Flow Diverter Effects in Aneurysm Model

  • Johanna Clauser
  • Marius S. Knieps
  • Martin Büsen
  • Andreas Ding
  • Thomas Schmitz-Rode
  • Ulrich Steinseifer
  • Jutta Arens
  • Giorgio CattaneoEmail author


Particle image velocimetry (PIV) is a commonly used method for in vitro investigation of fluid dynamics in biomedical devices, such as flow diverters for intracranial aneurysm treatment. Since it is limited to transparent blood substituting fluids like water-glycerol mixture, the influence of coagulation and platelet aggregation is neglected. We aimed at the development and the application of a modified platelet rich plasma as a new PIV fluid with blood-like rheological and coagulation properties. In standardized intracranial aneurysm silicone models, the effect of this new PIV plasma on the fluid dynamics before and after flow diverter implantation was evaluated and compared with water-glycerol measurements. The flow diverting effect was strongly dependent on the used fluid, with considerably lower velocities achieved using PIV plasma, despite the same starting viscosity of both fluids. Moreover, triggering coagulation of PIV plasma allowed for intra-aneurysmal clot formation. We presented the first in vitro PIV investigation using a non-Newtonian, clottable PIV plasma, demonstrating a mismatch to a standard PIV fluid and allowing for thrombus formation.


Platelet rich plasma (PRP) Particle image velocimetry (PIV) Intracranial aneurysm Flow diverter Blood rheology 



This work was supported by the German Federal Ministry for Economic Affairs and Energy, Grant No. KF2335806AJ4. The authors thank the Department of Biochemical Engineering of the Aachener VerfahrensTechnik (AVT) Institute for the use of the rheometer.

Supplementary material

10439_2018_2002_MOESM1_ESM.avi (2.1 mb)
Supplementary material 1 (AVI 2176 kb)


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Copyright information

© Biomedical Engineering Society 2018

Authors and Affiliations

  1. 1.Department of Cardiovascular Engineering, Helmholtz Institute of Applied Medical EngineeringRWTH Aachen UniversityAachenGermany
  2. 2.Acandis GmbHPforzheimGermany
  3. 3.Department of Mechanical and Aerospace Engineering, Faculty of Engineering, Monash Institute of Medical EngineeringMonash UniversityMelbourneAustralia

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