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Pump instructions revised to reduce risk of unwanted insulin dose

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The manufacturer of Accu-Chek Insight insulin pumps has issued updated handling instructions after warnings from diabetes patients about the risk of receiving an unwanted dose.

Patients using the pump system should check how they operate and wear the device to reduce the risk of an unwanted dose of insulin, according to the Medicines and Healthcare products Regulatory Agency, in the wake of a safety notice from Roche Diabetes Care.

The agency has also issued a medical device alert to healthcare professionals on handling the issue following reports from patients who experienced health problems after receiving an accidental insulin dose because the Quick Bolus pump keys do not lock.

Patients are reminded that the “Key Lock” function on the pump locks only the buttons on the front of the insulin pump.

Care should, therefore, be taken to ensure that the Quick Bolus keys on the top of the pump that deliver a dose of insulin are not pressed accidentally, for example when sleeping.

In addition, patients should ensure the pump does not come into contact with other objects in the pocket such as keys, coins or phones, which could damage the pump or accidentally press the Quick Bolus keys or the keys on the front of the pump.

The updated guidance advises users to take precautions to ensure the pump keys on the front are not pressed accidently, which can include wearing the pump in a protective case when sleeping.

Meanwhile, parents and caregivers should tell children not to press any pump keys unless a pump operation is required, to avoid any unintentional operation of the pump.

Lastly, people should adjust the timeout interval for the Key Lock function to their individual needs. For children, it is recommended to use the minimum timeout interval of four seconds.

Doing sp means that the pump will automatically lock itself four seconds after an accidental unlocking, if no other key has been pressed in the meantime.

For additional advice or training on the operation and wearing of the system, contact the Accu-Chek Customer Care line on 0800 731 2291 or email

Last month, nurses were warned to ensure diabetes patients knew how to insert pre-filled insulin cartridges correctly into the same type of insulin pump in order to avoid the risk of hyperglycaemia.

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