Significance and Use
4.1 The objective of this guide is to recommend a panel of biological tests that can be used in addition to the testing recommended in Practice . This guide is designed to detect neurotoxicity caused by medical devices that contact nervous tissue.
4.2 The testing recommendations should be considered for new materials, established materials with different manufacturing methods that could affect nervous tissue response, or materials used in new nervous tissue applications.
4.3 Chemical characterization can be used to evaluate similarity for materials with a history of clinical use in a similar nervous tissue application.
1.1 Medical devices may cause adverse effects on the structure and/or function of the nervous system. In this guide, these adverse effects are defined as neurotoxicity. This guide provides background information and recommendations on methods for neurotoxicity testing. This guide should be used with Practice , and may be helpful where neurotoxicity testing is needed to evaluate medical devices that contact central and/or peripheral nervous system tissue or cerebral spinal fluid (CSF).
Note 1: The results of these in vitro and in vivo tests may not correspond to actual human response.
1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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