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Toxicol Pathol. 2008 Jan;36(1):63-9. doi: 10.1177/0192623307309926.

Medical device regulations and testing for toxicologic pathologists.

Author information

1
Applied Veterinary Pathobiology PLLC, Bainbridge Island, Washington 98110-3663, USA. Schuhj@bainbridge.net

Abstract

Awareness of the regulatory environment is fundamental to understanding the biological assessment of biomaterials and medical devices. Medical devices are a diverse and heterogeneous group of medical products and technologies defined by the lack of chemical action or requirement for metabolism. Regional activity and the Global Harmonization Task Force are now working on harmonizing the categorization and testing of medical devices. The International Organization for Standardization (ISO) has published 19 standards for biological evaluation. ISO 10993 standards are generally accepted outright or as an alternative to most national regulatory directives or acts, although Japan and the United States require more stringency in some tests. Type of materials, intended use, and risk are the basis for drafting testing programs for biomaterials and medical devices. With growth of the medical device industry and advent of new biomaterials and technologies, the need for toxicologic pathologists in safety (biocompatibility) and efficacy (conditions of use) evaluation of moderate- to high-risk devices is expanding. Preclinical evaluation of biomaterials and medical devices increasingly requires a basic understanding of materials science and bioengineering to facilitate interpretation of complex interface reactions between biomaterials, cellular and secretory factors, and vascular and tissue responses that modulate success or failure of medical devices.

PMID:
18337222
DOI:
10.1177/0192623307309926
[Indexed for MEDLINE]

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