A blog about what is new (and old) in the world of active implantable medical devices

DF-4 Connectors for Implantable Cardioverter Defibrillators Enter Use in the US

Posted on by Posted in AIMD Business, Boston Scientific, Cardioversion/Defibrillation, Medtronic, St. Jude Medical, Tachycardia
DF-4 Connector for implantable cardioverter defibrillators

Image Credit: St. Jude Medical

The DF-4 Connector was recently introduced by a joint group of CRM companies, physicians, and regulatory agencies as a way of easing the implant of ICDs by reducing defibrillation connections from three to one and by minimizing the number of set screws.  Prior to the development of the DF-4, traditional high-voltage connector systems required up to three connections.
Medtronic ICD with DF-4 Connector
Image Credit: Medtronic

For the implanting physician, the DF-4 has a single terminal pin connection that decreases chances of lead-to-port mismatch. Fewer connections and setscrews lessen complexity, and the improved terminal pin visibility is designed to encourage proper lead connection.  For the patient, the streamlined design of the DF-4 Connector system eliminates the yoke and minimizes bulk. This may provide increased patient comfort, particularly for those who are concerned about body image or are small in stature, and may lessen the risk of lead-to-can abrasion.

ICD systems with DF-4 are now available from St. Jude Medical, Boston Scientific, and Medtronic (which received approval for its DF-4 connector only this week).

 

St Jude Medical Fortify ICD with DF-4 connector

Image credit: St. Jude Medical

 

Boston Scientific Incepta ICD with DF-4 connector

Image Credit: Boston Scientific