FDA « drperry.org

FEA and the FDA

I just returned from a workshop sponsored by the FDA (and the NHLBI and NSF) on Computer Methods for Cardiovascular Devices. It was an excellent workshop providing an audience of regulatory, academic and industrial interests a chance to get caught up on the state-of-the-art, trends and, in general, to exchange ideas on the issues of [...]

ASTM Standard for FEA of Metallic Vascular Stents

Follow this link to the ASTM website and find the long awaited for “Standard Guide for Finite Element Analysis of Metallic Vascular Stents Subjected to Uniform Radial Loading”.

This guide establishes general requirements and considerations for using finite element analysis techniques for the numerical simulation of metallic stents subjected to uniform radial loading. These stents are [...]

Protected: ASTM Axial Fatigue of Stent

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Comprehensive Fatigue Analysis: Complex Loading of Implantable Medical Device

Medical device manufacturers are increasingly required to demonstrate that their products are safe and effective when subjected to complex loading conditions in the human body such as when the device may experience combinations of bending, twisting and compression. Physical test methods are difficult to implement in such cases, can only consider a finite number of [...]

Carotid Artery Stent Fractures: An Engineer’s Perspective

You can download my presentation at the 2007 Cleveland Clinic Stent Summit on carotid artery stent fractures from an engineers perspective which discusses combined loading conditions, fatigue, material limits and other factors.

Characterization of Nitinol Material Behavior for the Design and Validation of Medical Implants

Direct strain measurements in AAA stent using phase shifted moire interferometry.

You can download a poster I presented at the MPMD fall 2007 conference illustrating our method for characterizing Nitinol material behavior for the design and validation of medical implants.

Biological and Implant Mechanics Symposium at the 2007 SEM Annual Conference in Boston

You can download the brochure for this special symposium that brings together state-of-the-art developments in clinical imaging techniques, computer modeling, medical device testing and materials characterization with a focus on medical implants, their design and the Experimental Mechanics underlying device interaction with the human body.

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