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U.S. Department of Health and Human Services

Recognized Consensus Standards
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Part B: Supplementary Information Sheet (SIS)
FR Recognition List Number 054 Date of Entry 07/06/2020 
FR Recognition Number 11-366
Standard
ASTM F2381-19
Standard Test Method for Evaluating Trans-Vinylene Yield in Irradiated Ultra-High Molecular Weight Polyethylene Fabricated Forms Intended for Surgical Implants by Infrared Spectroscopy
Scope/Abstract
1.1 This test method describes the measurement of the number of trans-vinylene groups in ultra-high molecular weight polyethylene (UHMWPE) intended for use in medical implants. The material is analyzed by infrared spectroscopy.

1.2 This test method is based on Guide F2102.

1.3 The applicability of the infrared method has been demonstrated in other literature reports. This particular method, using the intensity (area) of the C-H absorption centered at 1370 cm-1 to normalize for the sample's thickness, will be validated by an Interlaboratory Study (ILS) conducted according to Practice E691.
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
§888.3160 Prosthesis, Elbow, Semi-Constrained, Cemented Class 2 JDB
§888.3310 Prosthesis, Hip, Constrained, Cemented Or Uncemented, Metal/Polymer Class 2 KWZ
§888.3310 Prosthesis, Hip, Constrained, Cemented Or Uncemented, Metal/Polymer, + Additive Class 2 PBI
§888.3340 Prosthesis, Hip, Semi-Constrained, Composite/Metal Class 2 KMC
§888.3350 Hip, Semi-Constrained, Cemented, Metal/Polymer + Additive, Cemented Class 2 OQH
§888.3350 Prosthesis, Hip, Semi-Constrained, Metal/Polymer, Cemented Class 2 JDI
§888.3353 Hip, Semi-Constrained, Cemented, Metal/Ceramic/Polymer + Additive, Porous Uncemented Class 2 OQI
§888.3353 Prosthesis, Hip, Semi-Constrained, Metal/Ceramic/Polymer, Cemented Or Non-Porous Cemented, Osteophilic Finish Class 2 MAY
§888.3353 Prosthesis, Hip, Semi-Constrained, Metal/Ceramic/Polymer, Cemented Or Non-Porous, Uncemented Class 2 LZO
§888.3353 Prosthesis, Hip, Semi-Constrained, Uncemented, Metal / Polymer, Non-Porous, Calcium Phosphate Class 2 MEH
§888.3358 Hip Prosthesis, Semi-Constrained, Cemented, Metal/Polymer, + Additive, Porous, Uncemented Class 2 OQG
§888.3358 Prosthesis, Hip, Semi-Constrained, Metal/Polymer, Porous Uncemented Class 2 LPH
§888.3358 Prosthesis, Hip, Semi-Constrained, Uncemented, Metal/Polymer, Porous Class 2 MBL
§888.3390 Prosthesis, Hip, Hemi-, Femoral, Metal/Polymer, Cemented Or Uncemented Class 2 KWY
§888.3490 Prosthesis, Knee, Femorotibial, Non-Constrained, Metal/Composite Cemented Class 2 KTX
§888.3490 Prosthesis, Knee, Non-Constrained (Metal-Carbon Reinforced Polyethylene) Cemented Class 2 KMB
§888.3500 Prosthesis, Knee, Femorotibial, Semi-Constrained, Cemented, Metal/Composite Class 2 KYK
§888.3510 Prosthesis, Knee, Femorotibial, Constrained, Cemented, Metal/Polymer Class 2 KRO
§888.3520 Prosthesis, Knee, Femorotibial, Non-Constrained, Cemented, Metal/Polymer Class 2 HSX
§888.3530 Prosthesis, Knee, Femorotibial, Semi-Constrained, Cemented, Metal/Polymer Class 2 HRY
§888.3530 Prosthesis, Knee, Femorotibial, Semi-Constrained, Cemented, Trunnion-Bearing Class 2 LGE
§888.3535 Prosthesis, Knee, Femorotibial, Unicompartmental/Unicondylar, Uncemented, Porous-Coated, Metal/Polymer Class 2 NJD
§888.3540 Prosthesis, Knee, Patello/Femoral, Semi-Constrained, Cemented, Metal/Polymer Class 2 KRR
§888.3410 Prosthesis, Hip, Pelvifemoral Resurfacing, Metal/Polymer, Uncemented Class 3 OCG
§888.3560 Prosthesis, Knee Patellofemorotibial, Partial, Semi-Constrained, Cemented, Polymer/Metal/Polymer Class 2 NPJ
§888.3560 Prosthesis, Knee, Patello/Femorotibial, Semi-Constrained, Uhmwpe, Pegged, Cemented, Polymer/Metal/Polymer Class 2 MBV
§888.3560 Prosthesis, Knee, Patellofemorotibial, Semi-Constrained, Cemented, Polymer + Additive/Metal/Polymer + Additive Class 2 OIY
§888.3560 Prosthesis, Knee, Patellofemorotibial, Semi-Constrained, Cemented, Polymer/Metal/Polymer Class 2 JWH
§888.3650 Prosthesis, Shoulder, Non-Constrained, Metal/Polymer Cemented Class 2 KWT
§888.3660 Prosthesis, Shoulder, Semi-Constrained, Metal/Polymer + Additive, Cemented Class 2 PAO
§888.3660 Prosthesis, Shoulder, Semi-Constrained, Metal/Polymer Cemented Class 2 KWS
§888.3670 Prosthesis, Shoulder, Semi-Constrained, Metal/Polymer, Uncemented Class 2 MBF
§888.3800 Prosthesis, Wrist, 2 Part Metal-Plastic Articulation, Semi-Constrained Class 2 JWI
§888.3800 Prosthesis, Wrist, 3 Part Metal-Plastic-Metal Articulation, Semi-Constrained Class 2 JWJ
§888.3800 Prosthesis, Wrist, Semi-Constrained Class 2 KWM
§888.3810 Prosthesis, Wrist, Hemi-, Ulnar Class 2 KXE
FDA Technical Contact
 John Goode
  FDA/OC/CDRH/OPEQ/OHTVI/DHTVIA/
  301-796-6407
  john.goode@fda.hhs.gov
Standards Development Organization
ASTM ASTM International http://www.astm.org/
FDA Specialty Task Group (STG)
Orthopedic
*These are provided as examples and others may be applicable.
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