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U.S. Department of Health and Human Services

Recognized Consensus Standards: Medical Devices
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Part B: Supplementary Information Sheet (SIS)
FR Recognition List Number 055 Date of Entry 12/21/2020 
FR Recognition Number 2-280
Standard
ASTM  F1408-20a
Standard Practice for Subcutaneous Screening Test for Implant Materials
Scope/Abstract
1.1 This practice covers a short-term testing method to screen the subcutaneous tissue reaction to implant candidate materials in small laboratory animals. The material may be dense or porous. This method may not work for absorbable materials, depending on the absorption kinetics. The tissue reactions will be evaluated in comparison to those evoked by control materials that are accepted as clinical implant materials.


1.2 This practice, along with other appropriate biological tests (including other ASTM test methods), may be used to assess the biocompatibility of candidate materials for use in the fabrication of devices for clinical application. It may also be applied to evaluate the effect of special surface textures and preparations of known materials.


1.3 This practice does not provide a comprehensive assessment of the systemic toxicity, carcinogenicity, teratogenicity, or mutagenicity of the material. Additional information may be needed on the material in its final finished form, such as implantation assessment at the clinically relevant location.
Extent of Recognition
Complete standard
Rationale for Recognition
This standard is relevant to medical devices and is recognized on its scientific and technical merit and/or because it supports existing regulatory policies.
Public Law, CFR Citation(s) and Procode(s)*
21 CFR 58 Good Laboratory Practices for Nonclinical Laboratory Studies
Relevant FDA Guidance and/or Supportive Publications*
ISO 10993-12:2012 Biological evaluation of medical devices - Part 12: Sample preparation and reference materials.

Use of International Standard ISO 10993-1, Biological evaluation of medical devices--Part 1: Evaluation and testing within a risk management process. Guidance for Industry and Food and Drug Administration Staff, Issued September 2023.


Appropriate Use of Voluntary Consensus Standards in Premarket Submissions for Medical Devices - Guidance for Industry and Food and Drug Administration Staff, issued September 2018.
FDA Technical Contacts
 Simona Bancos
  FDA/OC/CDRH/OPEQ/OHTI/DHTIA/
  301-796-6860
  simona.bancos@fda.hhs.gov
 Dhanya Williams
  CDRH/OPEQ/OHTV/DHTVA
  301-796-6498
  Dhanya.Kumar@fda.hhs.gov
Standards Development Organization
ASTM ASTM International http://www.astm.org/
FDA Specialty Task Group (STG)
Biocompatibility
*These are provided as examples and others may be applicable.
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