A missing or broken retainer ring could cause under or over delivery of insulin. This may cause patient injury or death. Find out more about the recall. https://go.usa.gov/xd59C  

A missing or broken retainer ring could cause under or over delivery of insulin. This may cause patient injury or death. Find out more about the recall. https://go.usa.gov/xd59C 
Source: Food and Drug Adminstration (FDA): CDRHNew - Category: Medical Devices Authors: Source Type: news