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Medtronic updates on SynchroMed reduced battery performance

Medtronic has issued additional information to patients and physicians about the potential for reduced battery performance in a small percentage of its SynchroMed II Implantable Drug Infusion Pumps.

Medtronic’s analysis of the issue indicates that it is related to the formation of a film within the pump battery that reduces battery performance which leads to the sudden loss of therapy and the return of underlying symptoms and/or withdrawal symptoms.

Medtronic said patients receiving intrathecal baclofen therapy are at risk for baclofen withdrawal syndrome, which leads to a life-threatening condition if not treated quickly.

Medtronic encourages patients to carry their patient identification cards with them at all times and to contact their physicians if they experience a return of symptoms or hear a device alarm.

Medtronic is working to obtain US approval for a battery design change intended to prevent the issue from occurring in future pumps.