The U.S. Food and Drug Administration (FDA) has published two early warnings regarding the recall of medical devices following the identification of issues that may pose high risks to patient safety. Arrow International, a subsidiary of Teleflex, has directed its customers to quarantine and cease the use and distribution of spring wire guide components used in vascular catheterization systems.
In the same context, the agency issued a warning regarding Intersurgical, which in turn sent letters to its customers recommending the immediate cessation of the use of certain breathing systems and tubes due to a manufacturing defect.
What does this warning represent?
The U.S. Food and Drug Administration relies on early warnings to quickly notify the public about medical device safety issues that involve a high potential for risk. In the case of Arrow International, the company warned of a quality issue related to spring wire guide components supplied with a hydrophilic coating; this coating may absorb fluids inconsistently when hydrated with saline, leading to clumping and potential detachment, which could cause the risk of vascular obstruction.
As for Intersurgical products, the recall included 22mm Smoothbore breathing tubes and systems. The manufacturing process relies on the use of a solvent to attach flexible connectors to the breathing tubes; however, internal investigations and tests showed that some devices were manufactured with an insufficient amount of solvent to ensure a secure connection.
Practical implications and potential risks
The FDA data indicated that the detachment of the connector during the use of a breathing tube could lead to a loss of ventilation, causing a decrease in patient oxygen saturation until ventilation is manually restored. The loss of ventilation may result in serious complications, including organ failure, brain damage, or death, depending on the patient's condition and the time taken to resume ventilation.
The U.S. Food and Drug Administration reports confirmed that neither company had recorded any injuries or deaths associated with the recalls at the time the warning letters were sent to customers.