inforMED

SERVO

Received Aug 29, 2013 · Event occurred Apr 5, 2013

Report 3364129 · MDR key 3364129

Device

Generic name

Ventilator, Continuous, Facility Use

Model number

SERVO I MR

Catalog number

*

Lot number

*

Product problems

  • Device Operates Differently Than Expected

Patient

*

  • No Known Impact Or Consequence To Patient

Narrative

Description of Event or Problem

THE MR-CONDITIONAL VENTILATOR WAS PULLED TO THE FRONT HOUSING OF THE MR SCANNER. IT WAS PHYSICALLY REMOVED WITHOUT QUENCHING THE MAGNET. THIS EVENT OCCURRED DURING TESTING OF THE NEWLY INSTALLED MR SCANNER PRIOR TO THE ROOM OPENING FOR PATIENT CARE. NOBODY WAS INJURED. THE MAQUET VENTILATOR CONTAINS SOME FERROMAGNETIC COMPONENTS INCLUDING UP TO 6 BATTERIES. MAQUET SPECIFIES THAT THE VENTILATOR MAY BE USED IN 3T MRI SCANNERS AS LONG AS IT IS PLACED AT A DISTANCE WHERE THE MAGNETIC FIELD STRENGTH IS 200 GAUSS OR LESS. THE VENTILATOR WAS PLACED IN A LOCATION WHERE THE FIELD STRENGTH WAS LATER MEASURED TO BE OVER 400 GAUSS. ====================== MANUFACTURER RESPONSE FOR VENTILATOR - MR COMPATIBLE, MAQUET (PER SITE REPORTER).====================== MANUFACTURER RESPONSE FOR MRI SCANNER, SIEMENS (PER SITE REPORTER).