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Updated: May 23, 2026

Implantation and Control of Wireless, Battery-free Systems for Peripheral Nerve Interfacing

Implantation and Control of Wireless, Battery-free Systems for Peripheral Nerve Interfacing

Published on: October 20, 2021

Over-the-wire-technique device implantation.

Gianfranco Butera¹, Biagio Castaldi, Simon T Macdonald

¹Paediatric Cardiology and GUCH Unit, Policlinico San Donato IRCCS, Italy. gianfra.but@lycos.com

Catheterization and Cardiovascular Interventions : Official Journal of the Society for Cardiac Angiography & Interventions

|April 19, 2012

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A new over-the-wire technique enhances the safe deployment and retrieval of Amplatzer devices for transcatheter closure of cardiac defects. This method improves procedural control and patient safety in complex cases.

Area of Science:

Interventional Cardiology
Medical Device Technology

Background:

Transcatheter closure is a primary treatment for congenital and structural heart disease.
Device embolization and malposition are potential complications during these procedures.

Observation:

A novel "over-the-wire" technique was developed for Amplatzer device deployment.
This technique was successfully applied in five high-risk patients with challenging cardiac anatomy.

Findings:

The technique involves feeding a guidewire through the Amplatzer device's release mechanism.
Successful deployment and easy retrievability were achieved in cases of baffle leak, paravalvular leak, large patent ductus arteriosus, and complex ventricular septal defects.

Implications:

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This over-the-wire method offers controlled delivery and retrieval of devices in complex anatomies.

It has the potential to minimize procedural risks and improve outcomes for patients undergoing transcatheter closure of cardiac defects.