RF induced heating during MRI: Evaluation of a passive implant in an anatomical model

Introduction: RF induced heating in anatomical models using a coupled Electromagnetic (EM)/thermal FEA approach and NURBS-based geometry...

Radiopacity Testing

Radiopacity is the ability of a material to impede the passage of x-rays, thus allowing for visibility...

Radiopacity

Radiopacity refers to the relative inability of electromagnetic radiation, specifically x-rays, to pass through a particular material....

Radial Force

Radial force testing is used to determine the stiffness (hoop strength) of a medical device when placed...

MR Safety Evaluation of Orthopedic Devices: Why it’s important and how to select test device configuration

It is important to evaluate orthopedic devices to ensure patient safety. An MR Safe device is  nonmagnetic,...

OMTEC 2015: Design Verification Testing: What should you do when a testing standard doesn’t exist?

Test methods are critical to success of design verification and validation. Many medical device industries (e.g., cardiovascular)...

Anatomic Modeling

Challenges and Benefits Accurate modeling of normal anatomy as well as of morphologic changes caused by disease...

Are slender devices with low electrical conductivity unlikely to exhibit RF-inducing heating?

Are slender devices with low electrical conductivity unlikely to exhibit RF-induced heating? This publication evaluates representative generic...

Draft Guidance Sheds Much Needed Light On MRI-Compatibility

Electrical Conductivity

Many medical devices are primarily nonmetallic, but do have minimal electrical conductivity (for example, a plastic stent...