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Natural-Knee II System

by Intermedics Orthopedics

510(k) K936159

Active United States

510(k)

Valid until

No expiry

510(k) clearance is not time-limited

FDA recalls

None ongoing

6 closed

Documents

Trust

Unverified

Registry data, not yet checked by deviCERTS. Source FDA 510(k), synced 22 Oct 2026. What this means

Regulatory status

as of registry sync 22 Oct 2026

RegionAuthorizationNumberDateStatus
United StatesFDA 510(k)SN Traditional NumberK936159 Date22 May 1995DecidedStatusActive

Recalls

6 recalls · FDA

    • Terminated Z-1033-2018 FDA Class II initiated 29 Nov 2017

    The LDPE bag packaging for various highly polished hip and knee implants may adhere to the highly polished surface, leaving residue or material from the LDPE bag on the implant after it is removed from the bag.

    • Terminated Z-0839-2016 FDA Class II initiated 11 Jan 2016

    LDPE bag containing the implant adheres to the highly polished implant surface.

  • 2 recalls, same reason

    • Terminated Z-1262-2014 FDA Class II initiated 25 Feb 2014
    • Terminated Z-1249-2014 FDA Class II initiated 25 Feb 2014

    A complaint was received for a discolored All Poly Tibia. Root cause analysis found that the discoloration was the result of free radical oxidation. The oxidation process was advanced prematurely as a result of the machined component being stored in a transparent container exposed to artificial light for six years prior to inert packaging and sterilization of the device.

  • 2 recalls, same reason

    • Terminated Z-0078-2014 FDA Class II initiated 30 Aug 2013
    • Terminated Z-0075-2014 FDA Class II initiated 30 Aug 2013

    The low density polyethylene (LDPE) bag used to package implants adheres to the highly polished surface of the devices.

Coverage

1 jurisdiction

United States of America
  • Active
  • Expiring
  • Withdrawn
  • Listed
  • Not covered

United States — FDA 510(k) Active

Specification

510(k)

510(k) Number
FDA Product Code
JWH
Device Class
Class II
Regulation
21 CFR Part 888.3560
Advisory Committee
Orthopedic
FDA Decision
SN

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