Effect of Strain Relief Loop Position on the RF-Induced Heating of Active Implantable Medical Devices at 1.5-T MRI

Akter, Mir Khadiza; Guo, Ran; Islam, Md Zahidul; Zheng, Jianfeng; Kainz, Wolfgang; Long, Stuart A.; Chen, Ji

doi:10.1109/temc.2024.3403508

IEEE Trans. Electromagn. Compat.

2024

DOI: 10.1109/temc.2024.3403508

|View full text |Cite

Effect of Strain Relief Loop Position on the RF-Induced Heating of Active Implantable Medical Devices at 1.5-T MRI

Mir Khadiza Akter,

Ran Guo,

Md Zahidul Islam

et al.

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...

Citation Types

Supporting

Mentioning

Contrasting

Year Published

2024

Publication Types

Select...

Article1

Relationship

Self Cite0

Independent1

Authors

Journals

Cited by 1 publication

References 39 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

RF‐induced heating reduction by minimizing the external portion of the partially in and partially out medical devices under MRI at 1.5 T

Islam,

Guo,

Akter

et al. 2024

Magnetic Resonance in Med

View full text Add to dashboard Cite

PurposeTo address the issue of RF‐induced heating for partially in and partially out (PIPO) medical devices during 1.5 T MRI scans by proposing a method of minimizing the external portion.MethodsA method of tightly winding the external segment of the PIPO device is proposed to minimize the overall device effective reception length during MRI scans to mitigate the RF‐induced heating. Two commercially available PIPO medical devices and simplified solid wires were used to demonstrate the concept. RF heating results are compared between typical and minimized‐length trajectories under the American Society for Testing and Materials (ASTM) testing procedure. In addition, 16 scaled and validated device models were used in conjuncture with human body numerical simulations within three virtual human models to estimate clinically relevant heating.ResultsThe wound segments in PIPO devices functioned as a lumped element rather than a receiving antenna, reducing induced energy/heating as compared to the original PIPO devices under typical straight or loop configurations. Minimizing the lead's external portion can reduce the RF‐induced heating by significant factors for all studied cases during ASTM phantom measurements and in human body simulations.ConclusionOur findings show a significant reduction in RF heating by minimizing the external segment, thereby enhancing patient safety during 1.5 T MRI procedures. Although limited to four devices at 1.5 T across two applications, the extent of heating reduction may vary for others. Nonetheless, tightly winding the external segment of PIPO electrodes holds promise for improving device safety under MRI.

show abstract

RF‐induced heating reduction by minimizing the external portion of the partially in and partially out medical devices under MRI at 1.5 T

Islam,

Guo,

Akter

et al. 2024

Magnetic Resonance in Med

View full text Add to dashboard Cite

show abstract

scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.

Contact Info

customersupport@researchsolutions.com

10624 S. Eastern Ave., Ste. A-614

Henderson, NV 89052, USA

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Blog Terms and Conditions API Terms Privacy Policy Contact Cookie Preferences Do Not Sell or Share My Personal Information

Made with 💙 for researchers

Part of the Research Solutions Family.

Effect of Strain Relief Loop Position on the RF-Induced Heating of Active Implantable Medical Devices at 1.5-T MRI

Cited by 1 publication

References 39 publications

RF‐induced heating reduction by minimizing the external portion of the partially in and partially out medical devices under MRI at 1.5 T

RF‐induced heating reduction by minimizing the external portion of the partially in and partially out medical devices under MRI at 1.5 T

Contact Info

Product

Resources

About