Designing MRI-compatible implants
Eliminate repeated prototyping and accelerate development with fast, ISO-aligned transfer-function modelling
Full-body MRI compatibility is rapidly becoming a baseline expectation for active implantable medical devices. Clinicians want unrestricted imaging access, regulators expect clearer evidence of safety, and MRI-safe performance becomes a baseline requirement across the active implantable medical devices (AIMD) market.
For many device developers, the challenge is the associated extensive prototype-and-test cycles.
TTP’s Neurotechnology team has developed a faster modelling approach based on ISO 10974 transfer-function methods, reducing design iteration time and incorporating MRI compatibility considerations early in the development cycle.
The MRI compatibility challenge: rising expectations, complex constraints
Most implant recipients will require at least one MRI scan during the lifetime of their device. As a result, AIMD manufacturers are moving beyond restrictive MRI-conditional limitations toward broader scan access.
Achieving MRI labelling requires addressing multiple hazards: magnetic forces, artefacts, and electronic integrity.
For systems with long leads RF-induced heating remains a separate aspect of MRI compatibility.
A faster route: ISO-aligned modelling to reduce prototyping burden
ISO 10974 provides a widely accepted Tier 3 pathway for evaluating RF-induced heating using transfer-function methods. These assessments have traditionally relied heavily on physical prototyping and phantom testing.
Using an efficient computational modelling approach, we can support the assessment of RF heating with far less experimental overhead, resulting in faster design cycles, more informed decisions, and targeted validation.
TTP’s Neurotechnology team has developed an efficient computational modelling approach that enables assessment of RF heating with far less experimental overhead, supporting faster design cycles, more informed decisions, and targeted validation.
Explore the full methodology
Download the full eBook to learn how ISO-aligned transfer-function modelling can reduce prototyping cycles and accelerate MRI-compatible implant development.
The eBook explains the MRI safety challenges facing AIMD developers, how ISO 10974 transfer-function methods evaluate RF-induced heating, how modelling can reduce the experimental burden of testing and how to integrate MRI compatibility earlier in the development process.
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Meet some of the team
Qing Liu
Simon Calcutt
Chris Dawson
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