Technical Brief

Augmented Reality for Improving Catheterization in Magnetic Resonance Imaging-Guided Cardiac Electrophysiology Therapy1

[+] Author and Article Information
Yue Chen, Ka-Wai Kwok, Jia Ge, Mable Fok, Zion Tsz Ho Tse

Department of Engineering,
The University of Georgia,
Athens, GA 30602

Yang Hu

Department of Surgery and Cancer,
Imperial College,
London SW7 2AZ, UK

Kent Ronald Nilsson

Athens Regional Medical Center,
The University of Georgia & Georgia Regents
University Medical Partnership,
Athens, GA 30602

Accepted and presented at the Design of Medical Devices Conference (DMD2014), Minneapolis, MN, April 7–10, 2014.

Manuscript received February 21, 2014; final manuscript received February 28, 2014; published online April 28, 2014. Editor: Arthur G. Erdman.

J. Med. Devices 8(2), 020917 (Apr 28, 2014) (2 pages) Paper No: MED-14-1046; doi: 10.1115/1.4027017 History: Received February 21, 2014; Revised February 28, 2014

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Saikus, C. E., and Lederman, R. J., 2009, “Interventional Cardiovascular Magnetic Resonance Imaging: A New Opportunity for Image-Guided Interventions,” JACC: Cardiovasc. Imaging, 2(11), pp. 1321–1331. [CrossRef]
Shah, D., Lambert, H., Langenkamp, A., Vanenkov, Y., Leo, G., Gentil-Baron, P., and Walpoth, B., 2011, “Catheter Tip Force Required for Mechanical Perforation of Porcine Cardiac Chambers,” Europace, 13(2), pp. 277–283. [CrossRef]
Yokoyama, K., Nakagawa, H., Shah, D. C., Lambert, H., Leo, G., Aeby, N., Ikeda, A., Pitha, J. V., Sharma, T., Lazzara, R., and Jackman, W. M., 2008, “Novel Contact Force Sensor Incorporated in Irrigated Radiofrequency Ablation Catheter Predicts Lesion Size and Incidence of Steam Pop and Thrombus,” Circ.: Arrhythmia Electrophysiol., 1(5), pp. 354–362. [CrossRef]
Kwok, K. W., Vitiello, V., and Yang, G. Z., 2010, “Control of Articulated Snake Robot Under Dynamic Active Constraints,” 13th International Conference on Medical Image Computing and Computer-Assisted Intervention (MICCAI 2010), Beijing, China, September 20–24, pp. 229–236. [CrossRef]
Kwok, K. W., Tsoi, K. H., Vitiello, V., Clark, J., Chow, G. C. T., Luk, W., and Yang, G.-Z., 2013, “Dimensionality Reduction in Controlling Articulated Snake Robot for Endoscopy Under Dynamic Active Constraints,” IEEE Trans. Rob., 29(1), pp. 15–31. [CrossRef]
Othonos, A., and Kalli, K., 1999, Fiber Bragg Gratings: Fundamentals and Applications in Telecommunications and Sensing, Artech House, Boston.


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Fig. 5

FBG-measured CF with respect to WL

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Fig. 4

Improvement over the task without haptic guidance, in terms of six performance indices: 1, number of tip deviations; 2, average tip deviation depth; 3, average accuracy; 4, average tip deviation time; 5, average RFA time; and 6, incomplete RFA length

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Fig. 3

Three types of clinically relevant indices for evaluating the simulated RFA performance

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Fig. 2

(a) Experimental setup for the WL determination of FBG; (b) implementation of FBG on the catheter; and (c) the catheter deflected until causing perforation on atrium wall of ex vivo pig heart

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Fig. 1

(a) Key components of the brake unit; (b) unbalanced-weighted rotor in the shaker unit; (c) MR-compatible mechatronic devices for regulation of pneumatic pressure; and (d) setup for the simulated RFA procedure




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