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Published Article

PUBLISHED ARTICLE

A Haystack with No Needle: Is an Extractables Study Appropriate for Limited-Contact Devices?

Published In: Medical Device and Diagnostic Industry (MD+DI)

With the update to ISO 10993-18, is an extractables study required for all medical devices regardless of contact type and duration of contact? In this article, Helin Räägel, Matthew R Jorgensen, and Thor Rollins from Nelson Labs share insights on the new requirement for physical or chemical information and what it means for manufacturers.

 

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To see what tests we offer for extractables and leachables for medical devices, click here. 

Helin Räägel

Helin Räägel

PhD
Senior Biocompatibility Expert

Dr. Räägel is a globally recognized expert in medical device biocompatibility. She has extensive expertise in writing biological evaluations and assessments for regulatory submissions. These documents focus on using a risk-based approach in defining the path to evaluating medical devices, with US FDA and EU regulatory bodies as the primary audience. She works closely with...

Thor Rollins

Thor Rollins

BS, RM (NRCM)
Toxicology and E&L Expert

Thor Rollins is a certified microbiologist and specializes in the selection and conduct of in vitro and in vivo biocompatibility tests. He actively speaks on biocompatibility related topics through Nelson Labs’ external seminars, webinars, and tradeshows. He presented on biocompatibility at the American College of Toxicology annual meeting in 2013 and has published many articles...

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Matthew R Jorgensen, Ph.D.

Chemistry and Materials Scientist

Dr. Jorgensen is an expert in chemistry and materials science. He has over a decade of experience designing, synthesizing, and analyzing complex materials. To characterize materials, Dr. Jorgensen has extensively used a wide variety of techniques including GC/MS, LC/MS, FTIR, UV/VIS, SEM, NMR, and several types of advanced spectroscopic techniques. His Ph.D. in Physical Chemistry from the University of Utah was based on the fabrication and analysis of titanium dioxide and silicon dioxide photonic crystals templated from the three-dimensional structure found in the exoskeleton of exotic weevils. During his time at the University of Utah, he received the Henry Eyring Research Fellowship, the DOW Chemical First Year Scholarship, and additional grants to travel and present his research at national and international conferences. His research has resulted in over 30 peer-reviewed publications.