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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 050 Date of Recognition 09/17/2018 
FR Recognition Number 11-330
Standard
ASTM F2028-17
Standard Test Methods for Dynamic Evaluation of Glenoid Loosening or Disassociation
Scope/Abstract
1.1 These test methods measure how much a prosthetic anatomic glenoid component rocks or pivots following cyclic displacement of the humeral head to opposing glenoid rims (for example, superior-inferior or anterior-posterior). Motion is quantified by the tensile displacement opposite each loaded rim after dynamic rocking. Similarly, these test methods measure how much a prosthetic reverse glenoid component rocks or pivots following cyclic articulation with a mating humeral liner. Motion is quantified by the magnitude of displacement measured before and after cyclic loading.

1.2 The same setup can be used to test the locking mechanisms of modular glenoid components, for example, disassociation of both anatomic and reverse shoulder components.

1.3 These test methods cover shoulder replacement designs with monolithic or modular glenoid components for cemented fixation as well as reverse glenoid components for uncemented fixation.

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
§888.3680 Metallic Cemented Glenoid Hemi-Shoulder Prosthesis Class 3 KYM
§888.3670 Prosthesis, Shoulder, Semi-Constrained, Metal/Polymer, Uncemented Class 2 MBF
§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
§888.3650 Prosthesis, Shoulder, Non-Constrained, Metal/Polymer Cemented Class 2 KWT
§888.3640 Prosthesis, Shoulder, Constrained, Metal/Metal Or Metal/Polymer Cemented Class 3 KWR
Relevant FDA Guidance and/or Supportive Publications
Guidance for Industry and FDA Staff: Class II Special Controls Guidance: Shoulder Joint Metal/Polymer/Metal Nonconstrained or Semi-Constrained Porous-Coated Uncemented Prosthesis, Issued October 2000
FDA Technical Contact
 John Goode
  FDA/OMPT/CDRH/ODE/DOD/JFDB2/
  301-796-6407
  john.goode@fda.hhs.gov
Standards Development Organization
ASTM ASTM International http://www.astm.org/
FDA Specialty Task Group (STG)
Orthopedic
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