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Part B: Supplementary Information Sheet (SIS)
FR Recognition List Number 054 Date of Entry 07/06/2020 
FR Recognition Number 11-367
ISO 14243-3 Second edition 2014-11-01 Implants for surgery - Wear of total knee-joint prostheses - Part 3: Loading and displacement parameters for wear-testing machines with displacement control and corresponding environmental conditions for test [Including AMENDMENT1 (2020)]
Scope/Abstract
This part of ISO 14243 describes a test method that specifies flexion/extension relative angular movement between articulating components, the pattern of the applied force, speed and duration of testing, sample configuration and test environment to be used for the wear testing of total knee-joint prostheses in wear-testing machines having axial load control, flexion/extension angular motion control, AP displacement control and tibial rotation control.

The kinematics of this part of ISO 14243 may not be applicable to knee designs with a high degree of constraint, which could result in damage to the articulating components in the early stages of the test that would not be representative of clinical service.

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.
Transition Period
FDA recognition of ISO 14243-3 Second edition 2014-11-01 [Rec# 11-292] will be superseded by recognition of ISO 14243-3 Second edition 2014-11-01 including Amendment 1(2020) [Rec# 11-367]. FDA will accept declarations of conformity, in support of premarket submissions, to [Rec# 11-292] until July 11, 2021. After this transition period, declarations of conformity to [Rec# 11-292] will not be accepted.
Public Law, CFR Citation(s) and Procode(s)*
Regulation Number Device Name Device Class Product Code
Unclassified Prosthesis, Knee, Patello/Femorotibial, Semi-Constrained, Uncemented, Polymer/Metal/Polymer Class 3 LXY
Regulation Number Device Name Device Class Product Code
§888.3480 Metal Cemented Constrained Femorotibial Knee Prosthesis Class 3 KRN
Regulation Number Device Name Device Class Product Code
§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
Regulation Number Device Name Device Class Product Code
§888.3500 Prosthesis, Knee, Femorotibial, Semi-Constrained, Cemented, Metal/Composite Class 2 KYK
Regulation Number Device Name Device Class Product Code
§888.3510 Prosthesis, Knee, Femorotibial, Constrained, Cemented, Metal/Polymer Class 2 KRO
Regulation Number Device Name Device Class Product Code
§888.3530 Prosthesis, Knee, Femorotibial, Semi-Constrained, Cemented, Metal/Polymer Class 2 HRY
§888.3550 Prosthesis, Knee, Patello/Femorotibial, Constrained, Cemented, Polymer/Metal/Metal Class 3 KRP
§888.3550 Prosthesis, Knee, Patello/Femorotibial, Constrained, Cemented, Polymer/Metal/Polymer Class 2 KRQ
Regulation Number Device Name Device Class Product Code
§888.3565 Prosthesis, Knee, Patello/Femorotibial, Semi-Constrained, Uncemented, Porous, Coated, Polymer/Metal/Polymer Class 2 MBH
Regulation Number Device Name Device Class Product Code
§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
Regulation Number Device Name Device Class Product Code
§888.3520 Prosthesis, Knee, Femorotibial, Non-Constrained, Cemented, Metal/Polymer Class 2 HSX
Relevant FDA Guidance and/or Supportive Publications*
Guidance for Industry and FDA: Class II Special Controls Guidance Document: Knee Joint Patellofemorotibial and Femorotibial Metal/Polymer Porous-Coated Uncemented Prostheses, Issued January 2003.
FDA Technical Contact
 John Goode
  FDA/OC/CDRH/OPEQ/OHTVI/DHTVIA/
  301-796-6407
  john.goode@fda.hhs.gov
Standards Development Organization
ISO International Organization for Standardization https://www.iso.org/
FDA Specialty Task Group (STG)
Orthopedic
*These are provided as examples and others may be applicable.
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