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Bhave A, Sittkus B, Urban G, Mescheder U, Möller K. Finite element analysis of the interaction between high-compliant balloon catheters and non-cylindrical vessel structures: towards tactile sensing balloon catheters. Biomech Model Mechanobiol 2023; 22:2033-2061. [PMID: 37573552 PMCID: PMC10613175 DOI: 10.1007/s10237-023-01749-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 07/06/2023] [Indexed: 08/15/2023]
Abstract
Aiming for sensing balloon catheters which are able to provide intraoperative information of the vessel stiffness and shape, the present study uses finite element analysis (FEA) to evaluate the interaction between high-compliant elastomer balloon catheters with the inner wall of a non-cylindrical-shaped lumen structure. The contact simulations are based on 3D models with varying balloon thicknesses and varying tissue geometries to analyse the resulting balloon and tissue deformation as well as the inflation pressure dependent contact area. The wrinkled tissue structure is modelled by utilizing a two-layer fibre-based Holzapfel-Gasser-Ogden constitutive model and the model parameters are adapted based on available biomechanical data for human urethral vessel samples. The balloon catheter structure is implemented as a high-compliant hyper-elastic silicone material (based on polydimethylsiloxane (PDMS)) with a varying catheter wall thickness between 0.5 and 2.5 µm. Two control parameters are introduced to describe the balloon shape adaption in reaction to a wrinkled vessel wall during the inflation process. Basic semi-quantitative relations are revealed depending on the evolving balloon deformation and contact surface. Based on these relations some general design guidelines for balloon-based sensor catheters are presented. The results of the conducted in-silico study reveal some general interdependencies with respect to the compliance ratio between balloon and tissue and also in respect of the tissue aspect ratio. Further they support the proposed concept of high-compliant balloon catheters equipped for tactile sensing as diagnosis approach in urology and angioplasty.
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Affiliation(s)
- Ashish Bhave
- Institute of Technical Medicine (ITeM), Furtwangen University, 78054, Villingen-Schwenningen, Germany
- Department of Microsystems Engineering, IMTEK, University of Freiburg, 79110, Freiburg, Germany
| | - Benjamin Sittkus
- Department of Microsystems Engineering, IMTEK, University of Freiburg, 79110, Freiburg, Germany.
- Institute for Microsystems Technology (iMST), Furtwangen University, 78120, Furtwangen, Germany.
| | - Gerald Urban
- Department of Microsystems Engineering, IMTEK, University of Freiburg, 79110, Freiburg, Germany
| | - Ulrich Mescheder
- Institute for Microsystems Technology (iMST), Furtwangen University, 78120, Furtwangen, Germany
- Associated to the Faculty of Engineering, University of Freiburg, 79110, Freiburg, Germany
| | - Knut Möller
- Institute of Technical Medicine (ITeM), Furtwangen University, 78054, Villingen-Schwenningen, Germany
- Associated to the Faculty of Engineering, University of Freiburg, 79110, Freiburg, Germany
- Department of Mechanical Engineering, University of Canterbury, Christchurch, New Zealand
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A Study for Parametric Morphogeometric Operators to Assist the Detection of Keratoconus. Symmetry (Basel) 2017. [DOI: 10.3390/sym9120302] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Analysis of Low Density Lipoprotein (LDL) Transport Within a Curved Artery. Ann Biomed Eng 2014; 43:1571-84. [DOI: 10.1007/s10439-014-1219-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2014] [Accepted: 12/08/2014] [Indexed: 01/08/2023]
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Effects of External and Internal Hyperthermia on LDL Transport and Accumulation Within an Arterial Wall in the Presence of a Stenosis. Ann Biomed Eng 2014; 43:1585-99. [DOI: 10.1007/s10439-014-1196-0] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2014] [Accepted: 11/19/2014] [Indexed: 12/31/2022]
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Inelasticity of Human Carotid Atherosclerotic Plaque. Ann Biomed Eng 2011; 39:2445-55. [PMID: 21618044 DOI: 10.1007/s10439-011-0331-4] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2010] [Accepted: 05/17/2011] [Indexed: 01/02/2023]
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