Clinical Report: FDA Classifies Medtronic Harmony Recall as Class I

Overview

The FDA has classified Medtronic's recall of selected Harmony Delivery Catheter System devices as Class I due to a manufacturing issue involving inner shaft assemblies in specific production lots that may lead to distal tip detachment. This recall affects 1,881 devices distributed in the US and internationally.

Background

The Harmony Delivery Catheter System is a single-use, over-the-wire delivery catheter that facilitates placement of the Harmony transcatheter pulmonary valve, which is used in pediatric and adult patients with severe pulmonary regurgitation who have a native or repaired right ventricular outflow tract and are candidates for surgical pulmonary valve replacement. The recall is limited to the delivery catheter and does not affect the implanted valve.

Data Highlights

The recall affects 1,881 devices distributed in the US and internationally.

Key Findings

• The recall is classified as Class I due to a manufacturing issue.
• Inner shaft assemblies in specific production lots may increase the likelihood of distal tip detachment.
• Detachment during implantation may require secondary intervention, including endovascular retrieval or surgical intervention.
• Potential risks include prolonged procedure time, tissue damage, and embolism.
• The recall does not affect the implanted Harmony transcatheter pulmonary valve.

Clinical Implications

Healthcare providers should be aware of the recall and the associated risks of distal tip detachment during procedures. It is essential to follow the FDA's guidance regarding the management of affected devices.

Conclusion

The FDA's classification of this recall is based on the potential risks associated with distal tip detachment and the need for proper management of affected products.

Related Resources & Content

1. US Food and Drug Administration, FDA, 2026 -- Pulmonary Valve Catheter Delivery System Recall: Medtronic Removes Harmony Delivery Catheter System (DCS)
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10. Pulmonary Valve Catheter Delivery System Recall: Medtronic Removes Harmony Delivery Catheter System (DCS) | FDA
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12. Early Outcomes From a Multicenter Transcatheter Self-Expanding Pulmonary Valve Replacement Registry | JACC