Meshless Method for Simulation of Needle Insertion into Soft Tissues: Preliminary Results

Adam Wittek, George Bourantas, Grand Joldes, Anton Khau, Konstantinos Mountris, Surya Singh, Karol Miller

Research output: Chapter in Book/Conference paperChapter

Abstract

Needle insertion (placement) into human body organs is a frequently performed procedure in clinical practice. Its success largely depends on the accuracy with which the needle tip reaches the anatomical target. As the tissue deformsdue to interactions with the needle, the target tends to change its position. Onepossible way to decrease the risk of missing the target can be to account fortissue deformations when planning the needle insertion. This can be achieved byemploying computational biomechanics models to predict the tissue deformations. In this study, for computing the tissue deformations due to needle insertion, we employed a meshless formulation of computational mechanics that uses a spatial discretisation in a form of a cloud of points. We used the previously verified Meshless Total Lagrangian Explicit Dynamics (MTLED) algorithm that facilitates accurate and robust prediction of soft continua/soft tissues mechanical responses under large deformations. For modelling of interactions between the needle and soft tissues, we propose a kinematic approach that directly links deformation of the tissue adjacent to the needle with the needle motion. This approach does not require any assumptions about the exact mechanisms of such interactions. Its parameters can be determined directly from observation of the tissue sample/body organ deformations during needle insertion.
Original languageEnglish
Title of host publicationComputational Biomechanics for Medicine
Subtitle of host publicationPersonalisation, Validation and Therapy
EditorsMartyn Nash, Poul Nielsen, Adam Wittek, Karol Miller, Grand Joldes
Place of PublicationSwitzerland
PublisherSpringer International Publishing
Pages73-86
Number of pages14
Volume10
Edition1
ISBN (Electronic)9783030159238
ISBN (Print)9783030159221
Publication statusPublished - 14 Aug 2019

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Needles
Tissue
Computational mechanics
Biomechanics
Kinematics
Planning

Cite this

Wittek, A., Bourantas, G., Joldes, G., Khau, A., Mountris, K., Singh, S., & Miller, K. (2019). Meshless Method for Simulation of Needle Insertion into Soft Tissues: Preliminary Results. In M. Nash, P. Nielsen, A. Wittek, K. Miller, & G. Joldes (Eds.), Computational Biomechanics for Medicine: Personalisation, Validation and Therapy (1 ed., Vol. 10, pp. 73-86). Switzerland: Springer International Publishing.
Wittek, Adam ; Bourantas, George ; Joldes, Grand ; Khau, Anton ; Mountris, Konstantinos ; Singh, Surya ; Miller, Karol. / Meshless Method for Simulation of Needle Insertion into Soft Tissues : Preliminary Results. Computational Biomechanics for Medicine: Personalisation, Validation and Therapy. editor / Martyn Nash ; Poul Nielsen ; Adam Wittek ; Karol Miller ; Grand Joldes. Vol. 10 1. ed. Switzerland : Springer International Publishing, 2019. pp. 73-86
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Wittek, A, Bourantas, G, Joldes, G, Khau, A, Mountris, K, Singh, S & Miller, K 2019, Meshless Method for Simulation of Needle Insertion into Soft Tissues: Preliminary Results. in M Nash, P Nielsen, A Wittek, K Miller & G Joldes (eds), Computational Biomechanics for Medicine: Personalisation, Validation and Therapy. 1 edn, vol. 10, Springer International Publishing, Switzerland, pp. 73-86.

Meshless Method for Simulation of Needle Insertion into Soft Tissues : Preliminary Results. / Wittek, Adam; Bourantas, George; Joldes, Grand; Khau, Anton ; Mountris, Konstantinos; Singh, Surya; Miller, Karol.

Computational Biomechanics for Medicine: Personalisation, Validation and Therapy. ed. / Martyn Nash; Poul Nielsen; Adam Wittek; Karol Miller; Grand Joldes. Vol. 10 1. ed. Switzerland : Springer International Publishing, 2019. p. 73-86.

Research output: Chapter in Book/Conference paperChapter

TY - CHAP

T1 - Meshless Method for Simulation of Needle Insertion into Soft Tissues

T2 - Preliminary Results

AU - Wittek, Adam

AU - Bourantas, George

AU - Joldes, Grand

AU - Khau, Anton

AU - Mountris, Konstantinos

AU - Singh, Surya

AU - Miller, Karol

PY - 2019/8/14

Y1 - 2019/8/14

N2 - Needle insertion (placement) into human body organs is a frequently performed procedure in clinical practice. Its success largely depends on the accuracy with which the needle tip reaches the anatomical target. As the tissue deformsdue to interactions with the needle, the target tends to change its position. Onepossible way to decrease the risk of missing the target can be to account fortissue deformations when planning the needle insertion. This can be achieved byemploying computational biomechanics models to predict the tissue deformations. In this study, for computing the tissue deformations due to needle insertion, we employed a meshless formulation of computational mechanics that uses a spatial discretisation in a form of a cloud of points. We used the previously verified Meshless Total Lagrangian Explicit Dynamics (MTLED) algorithm that facilitates accurate and robust prediction of soft continua/soft tissues mechanical responses under large deformations. For modelling of interactions between the needle and soft tissues, we propose a kinematic approach that directly links deformation of the tissue adjacent to the needle with the needle motion. This approach does not require any assumptions about the exact mechanisms of such interactions. Its parameters can be determined directly from observation of the tissue sample/body organ deformations during needle insertion.

AB - Needle insertion (placement) into human body organs is a frequently performed procedure in clinical practice. Its success largely depends on the accuracy with which the needle tip reaches the anatomical target. As the tissue deformsdue to interactions with the needle, the target tends to change its position. Onepossible way to decrease the risk of missing the target can be to account fortissue deformations when planning the needle insertion. This can be achieved byemploying computational biomechanics models to predict the tissue deformations. In this study, for computing the tissue deformations due to needle insertion, we employed a meshless formulation of computational mechanics that uses a spatial discretisation in a form of a cloud of points. We used the previously verified Meshless Total Lagrangian Explicit Dynamics (MTLED) algorithm that facilitates accurate and robust prediction of soft continua/soft tissues mechanical responses under large deformations. For modelling of interactions between the needle and soft tissues, we propose a kinematic approach that directly links deformation of the tissue adjacent to the needle with the needle motion. This approach does not require any assumptions about the exact mechanisms of such interactions. Its parameters can be determined directly from observation of the tissue sample/body organ deformations during needle insertion.

KW - Meshless methods

KW - Needle insertion simulation

KW - Soft tissues

M3 - Chapter

SN - 9783030159221

VL - 10

SP - 73

EP - 86

BT - Computational Biomechanics for Medicine

A2 - Nash, Martyn

A2 - Nielsen, Poul

A2 - Wittek, Adam

A2 - Miller, Karol

A2 - Joldes, Grand

PB - Springer International Publishing

CY - Switzerland

ER -

Wittek A, Bourantas G, Joldes G, Khau A, Mountris K, Singh S et al. Meshless Method for Simulation of Needle Insertion into Soft Tissues: Preliminary Results. In Nash M, Nielsen P, Wittek A, Miller K, Joldes G, editors, Computational Biomechanics for Medicine: Personalisation, Validation and Therapy. 1 ed. Vol. 10. Switzerland: Springer International Publishing. 2019. p. 73-86