Magnetic resonance imaging-induced forces on video capsule endoscopes: First systematic in vitro assessment

doi:10.3748/wjg.122550

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World Journal of Gastroenterology

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1007-9327

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

Observational Study

Copyright: ©Author(s) 2027. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial (CC BY-NC 4.0) license. No commercial re-use. See permissions. Published by Baishideng Publishing Group Inc.

World J Gastroenterol. Jan 7, 2027; 33(1): 122550
Published online Jan 7, 2027. doi: 10.3748/wjg.122550

Table 2 Calculated gravitational force and magnetically induced displacement force on the tested video capsule endoscopes

Video capsule endoscope	Gravitational force (mN)	Magnetically induced displacement force (mN)	F mag < F grav
PillCam SB3	29.14	288.27	Not fulfilled
OMOM HD	31.27	47.91	Not fulfilled
MiroCam 1200	32.87	571.96	Not fulfilled
CapsoCam Plus	36.56	672.66	Not fulfilled
MiroCam 2000	35.65	575.92	Not fulfilled
PillCam Colon2	28.88	299.57	Not fulfilled
OMOM CC	29.00	127.5	Not fulfilled
NaviCam Colon	27.67	21.96	Fulfilled
NaviCam	45.65	2232	Not fulfilled
OMOM RC	57.29	2366	Not fulfilled
MiroCam Navi	46.66	2415	Not fulfilled

Measurements were obtained at position 1 with the maximal gradient on the Z-axis (Z = 87 cm; |∇B| = 4.51 T/m; B = 1.78 T; B₀ × |∇B| = 8.03 T²/m). “Not fulfilled” indicates that the magnetically induced displacement force exceeded the safety threshold defined by the capsule’s gravitational force. F mag: Magnetically induced displacement force; F grav: Gravitational force.

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Citation: Beck MJ, Keuchel M, Paschen J, Laser RM, Roling J, Bandorski D, Windhorst AC, Kurniawan N, Baltes P. Magnetic resonance imaging-induced forces on video capsule endoscopes: First systematic in vitro assessment. World J Gastroenterol 2027; 33(1): 122550
URL: https://www.wjgnet.com/1007-9327/full/v33/i1/122550.htm
DOI: https://dx.doi.org/10.3748/wjg.122550

Beck MJ, Keuchel M, Paschen J, Laser RM, Roling J, Bandorski D, Windhorst AC, Kurniawan N, Baltes P. Magnetic resonance imaging-induced forces on video capsule endoscopes: First systematic in vitro assessment. World J Gastroenterol 2027; 33(1): 122550 [DOI: 10.3748/wjg.122550]

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