Medical Device Alerts

Medical Device Alerts (MDAs) are distributed to the NHS in England via the Department of Health's Central Alerting System (CAS).

MDAs remain valid unless they are updated or withdrawn. They are reviewed once they are five years old (and subsequently every year) and the lists on this website are amended accordingly.

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Latest Medical Device Alerts

• 08 Feb 2010 | Medical Device Alert: Servo 300 and 900 ventilators (SV300 and SV900) manufactured by Siemens (now Maquet) (MDA/2010/011)
  

  This Medical Device Alert has been issued due to excessive negative pressures (eg using closed suction systems), which can damage the inspiratory and expiratory pressure measurement transducers. Such damage has led to high gas flows that subsequently caused bilateral pneumothoraces.

• 01 Feb 2010 | Monthly list of MDAs - 2010
  

  A month-by-month list of Medical Device Alerts that we have issued in 2010.

• 01 Feb 2010 | Medical Device Alert: C-Max U/2 stair climbers manufactured by Alber Antriebstechnik GmbH (AAT) (MDA/2010/010)
  

  This Medical Device Alert (MDA) has been issued due to a risk of injury to the attendant's hand when using the climbing mechanism on C-Max U/2 stair climbers manufactured by Alber Antriebstechnik GmbH (AAT).

• 28 Jan 2010 | Medical Device Alert: T-piece connector incorporated into various breathing systems manufactured by Intersurgical Ltd (MDA/2010/009)
  

  This Medical Device Alert (MDA) has been issued due to a possible blockage of the connector by a plastic membrane, which has been caused by a moulding fault during manufacture. This fault could prevent or restrict the gas flow to the patient.

• 21 Jan 2010 | Medical Device Alert: Intraocular lens (IOL) - hydrophilic acrylic (MDA/2010/008)
  

  This Medical Device Alert (MDA) has been issued as opacification of intraocular lens (IOLs) may occur following intracameral use of alteplase.

• 18 Jan 2010 | Medical Device Alert: All pole clamps for Infusomat Space and Perfusor Space infusion pumps manufactured by B Braun (MDA/2010/007)
  

  This Medical Device Alert (MDA) has been issued due to a risk of detachment of the infusion pump from the pole clamp if the manufacturer's instructions for use are not followed and the pole clamp components are damaged or missing following use.

• 18 Jan 2010 | Medical Device Alert: Devices used for endometrial ablation. All makes and models (MDA/2010/006)
  

  This Medical Device Alert (MDA) has been issued because we continue to receive reports of uterine wall injury, wall perforation, or the creation of a false passage following use of endometrial ablation devices.

• 13 Jan 2010 | Medical Device Alert: GE patient tables for use with GE X-ray systems (MDA/2010/005)
  

  This Medical Device Alert (MDA) has been issued as a result of unexpected movement of the floating tabletop due to failure of the brake mechanism. There is a risk of injury, as a patient may lose balance when getting on or off the table.

• 11 Jan 2010 | Medical Device Alert: Action 3 and Action 4 manual wheelchairs manufactured by Invacare (MDA/2010/004)
  

  This Medical Device Alert (MDA) has been issued because the manufacturer has revised the instructions for use for various safety related aspects. Users who are unaware of these revised instructions are at risk of injury.

• 05 Jan 2010 | Medical Device Alert: Universal cables for use with ConMed Linvatec surgical power tools (MDA/2010/003)
  

  This Medical Device Alert (MDA) has been issued due to the possibility that a worn or damaged power cable may cause the handpiece to self-activate.