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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 056 Date of Entry 06/07/2021 
FR Recognition Number 8-558
ASTM  F3333-20
Standard Specification for Chopped Carbon Fiber Reinforced (CFR) Polyetheretherketone (PEEK) Polymers for Surgical Implant Applications
1.1 This specification covers chopped carbon-fiber reinforced (CFR) polyetheretherketone (PEEK) polymer in pellets, filaments used in additive manufacturing, or fabricated forms. It provides requirements and associated test methods for these thermoplastic composites when they are to be used in the manufacture of intracorporeal devices such as surgical implants or components of surgical or dental devices.

1.2 The properties included in this specification are those applicable for chopped CFR-PEEK compounds and fabricated forms only. Materials or forms containing colorants, fillers other than carbon fibers, processing aids, or other additives, as well as polymer blends which contain PEEK, or reclaimed materials, are not covered by this specification.

1.2.1 This standard does not include continuous carbon-fiber reinforced PEEK composites, which are fabricated using a different process than chopped CFR-PEEK.

1.2.2 This standard can include CFR-PEEK compounds that are fabricated with the use of coupling (sizing) agents. However, when coupling agents are used to improve wetting of the carbon fibers, the biological risk assessments and biocompatibility testing should consider these coupling agents.

1.3 This specification is designed to recommend physical, chemical, and biological test methods to establish a reasonable level of confidence concerning the performance of CFR-PEEK polymers for use in medical implant devices.
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)*
Regulation Number Device Name Device Class Product Code
§882.5880 Stimulator, Spinal-Cord, Implanted (Pain Relief) Class 2 GZB
§888.3030 Appliance, Fixation, Nail/Blade/Plate Combination, Multiple Component Class 2 KTT
§888.3040 Pin, Fixation, Smooth Class 2 HTY
§888.3040 Screw, Fixation, Bone Class 2 HWC
§888.3040 Pin, Fixation, Threaded Class 2 JDW
§888.3040 Fastener, Fixation, Nondegradable, Soft Tissue Class 2 MBI
§888.3060 Appliance, Fixation, Spinal Intervertebral Body Class 2 KWQ
§888.3060 Spinal Vertebral Body Replacement Device Class 2 MQP
§888.3070 Thoracolumbosacral Pedicle Screw System Class 2 NKB
§888.3080 Intervertebral Fusion Device With Bone Graft, Lumbar Class 2 MAX
§888.3080 Intervertebral Fusion Device With Bone Graft, Cervical Class 2 ODP
N/A Implantable Cardioverter Defibrillator (Non-Crt) Class 3 LWS
N/A Defibrillator, Automatic Implantable Cardioverter, With Cardiac Resynchronization (Crt-D) Class 3 NIK
FDA Technical Contact
 Jinrong (Jinny) Liu
Standards Development Organization
ASTM ASTM International http://www.astm.org/
FDA Specialty Task Group (STG)
*These are provided as examples and others may be applicable.