MR procedures and biomedical implants, materials, and devices: 1993 update.

FG Shellock, S Morisoli, E Kanal - Radiology, 1993 - pubs.rsna.org
PURPOSE: To provide information on ferromagnetic metallic implants, materials, and
devices that may be exposed to static magnetic fields during magnetic resonance (MR) …

Metallic stents: evaluation of MR imaging safety.

FG Shellock, VJ Shellock - AJR. American journal of …, 1999 - Am Roentgen Ray Soc
The objective of our investigation was to evaluate safety during MR imaging (ie, magnetic
field interactions, heating, and artifacts) for metallic stents. Different types of metallic stents …

Accessory equipment considerations with respect to MRI compatibility

EK Keeler, FX Casey, H Engels… - Journal of Magnetic …, 1998 - Wiley Online Library
Abstract The MR Section of The National Electrical Manufacturers Association (NEMA), in
response to a request from the Food & Drug Administration (FDA), recently issued a position …

MR imaging and metallic implants for anterior cruciate ligament reconstruction: assessment of ferromagnetism and artifact

FG Shellock, JH Mink, S Curtin… - Journal of Magnetic …, 1992 - Wiley Online Library
Magnetic resonance (MR) imaging is contraindicated for patients with certain ferromagnetic
implants, primarily because of potential risks related to movement or dislodgment of the …

Magnetic resonance imaging and cochlear implants: compatibility and safety aspects

C Teissl, C Kremser, ES Hochmair… - Journal of Magnetic …, 1999 - Wiley Online Library
With cochlear implants, magnetic resonance imaging (MRI) has until recently been
contraindicated due to excessive magnetic and electromagnetic interference. The aim of this …

Comparison of Artifact from Caniomaxillofacial Internal Fixation Davices: Magnetic Resonance imaging

TGS Fiala, TL Davis - Plastic and reconstructive surgery, 1994 - journals.lww.com
This study compares artifact from craniomaxillofacial internal fixation devices in magnetic
resonance images and examines heating and magnetic deflection effects on these devices …

Cardiovascular catheters and accessories: ex vivo testing of ferromagnetism, heating, and artifacts associated with MRI

FG Shellock, VJ Shellock - Journal of Magnetic Resonance …, 1998 - Wiley Online Library
The purpose of this study was to evaluate the MR safety of cardiovascular catheters and
accessories. Intravascular cardiovascular catheters and accessories were tested for MR …

Ex vivo evaluation of ferromagnetism, heating, and artifacts produced by heart valve prostheses exposed to a 1.5‐T MR system

FG Shellock, SM Morisoli - Journal of Magnetic Resonance …, 1994 - Wiley Online Library
Ex vivo testing techniques were used to determine the ferromagnetic qualities of, presence
of heating in, and artifacts produced by 13 different heart valve prostheses exposed to a 1.5 …

Assessing the MR compatibility of dental retainer wires at 7 Tesla

J Wezel, BJ Kooij, AG Webb - Magnetic resonance in medicine, 2014 - Wiley Online Library
Purpose To determine the MR compatibility of common dental retainer wires at 7 Tesla in
terms of potential RF heating and magnetic susceptibility effects. Methods Electromagnetic …

Cochlear implants: in vitro investigation of electromagnetic interference at MR imaging--compatibility and safety aspects.

C Teissl, C Kremser, ES Hochmair… - Radiology, 1998 - pubs.rsna.org
In vitro experiments were performed to determine the compatibility of a cochlear implant at
0.2-and 1.5-T magnetic resonance (MR) imaging. Except for the torque at 1.5 T, all …