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Cios Alpha

by Siemens Medical Systems USA, Inc.

510(k) K181560

Active United States

510(k)

Valid until

No expiry

510(k) clearance is not time-limited

FDA recalls

None ongoing

7 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)SESE Substantially Equivalent · Traditional NumberK181560 Date24 Oct 2018ClearedStatusActive

Recalls

7 recalls · FDA

    • Terminated Z-2887-2020 FDA Class II initiated 30 Jul 2020

    Siemens has become aware of a hardware error which affects Cios Spin and Cios Alpha systems after the previous repair of the X-ray Generator with an integrated Energy Storage Unit (ESU).

    • Terminated Z-2848-2020 FDA Class II initiated 14 Jul 2020

    Hardware error- Hot Plugging feature could cause an electrical malfunction on the main control D80 (below revision 04 installed) of the generator which is part of the main unit (c-arm) and cause permanent loss of imaging functionality.

  • 2 recalls, same reason

    • Terminated Z-1958-2020 FDA Class II initiated 20 Apr 2020
    • Terminated Z-1957-2020 FDA Class II initiated 20 Apr 2020

    Main cable can be plugged or unplugged from the X10 connector which is part of the main unit (c-arm) at any time during clinical session. If the system displays the error message Err 16305 / 80, the unplugging of the main cable can cause an unsafe electrical voltage (125 V DC) at the X10 connector and result in an electrical shock if the user or other persons touch the contact pins of the X10 connector. These contact pins are accessible when the main cable is unplugged from the X10 connector

    • Terminated Z-2127-2020 FDA Class II initiated 17 Apr 2020

    The unplugging of the main cable on the monitor trolley from the X10 connector can cause an unsafe electrical voltage (up to 67,6 V DC) at the X10 connector. This can result in an electrical shock if the user or other persons touch the contact pins of the X10 connector.

    • Terminated Z-1953-2019 FDA Class II initiated 20 Jun 2019

    DAP chamber may be missing an insulating foil

    • Terminated Z-1295-2019 FDA Class II initiated 22 Mar 2019

    Continuous operation of the Cios Alpha at high tube outputs may result in increased wear of radiation emitting components, risk of premature failure of the Monoblock and loss of imaging X-rays exists

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
OWB
Device Class
Class II
Regulation
21 CFR Part 892.1650
Advisory Committee
Radiology
FDA Decision
SESE Substantially Equivalent

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