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The HOTWIRE™ is indicated for creation of an atrial septal defect in the heart.

HOTWIRE™ Kit (901XXX):

The HOTWIRE™ is a sterile, single-use guidewire device that delivers radiofrequency (RF) power in a monopolar mode to a distal electrode segment for the creation of an atrial septal defect in the heart. The HOTWIRE™ is intended to be used in conjunction with compatible third-party intravascular sheaths and/or dilators, such as the Agilis NXT Steerable Introducer, St. Jude Medical/Abbott (K081645), and third-party RF electrosurgical generator(s), such as the Valleylab FT10 Electrosurgical Platform (K151649) which utilizes a commercially-available Patient Return Electrode (PRE) which is in compliance with IEC 60601-2-2, such as the Valleylab E7507DB (K822572).

The HOTWIRE™ is comprised of a stainless steel core wire. The main body of the wire is jacketed with an insulating polymer that provides electrical insulation and facilitates smooth movement of the device through vascular dilators and/or sheaths. The floppy distal segment of the wire has an atraumatic tip with an uninsulated stainless-steel coil, which serves as an electrode, and also provides fluoroscopic and echogenic visualization. A tungsten marker coil at the tip provides additional radiopacity. The stiff body of the HOTWIRE™ provides support for advancing wire-guided devices into the left atrium after the distal segment has traversed the septum. The proximal insulated portion of the wire has visual markers that align the electrode tip with third-party transseptal sheaths and/or dilators. A portion of the proximal wire is uninsulated for placement of an included Adapter Pin that connects to hand pieces used with compatible third-party RF electrosurgical generators.

HOTWIRE™ + Handpiece Kit (902XXX):

The HOTWIRE™ + Handpiece Kit is a sterile, single-use guidewire device that delivers radiofrequency (RF) power in a monopolar mode to a distal electrode segment for the creation of an atrial septal defect in the heart. The HOTWIRE™ + Handpiece Kit is intended to be used in conjunction with compatible third-party intravascular sheaths and/or dilators, such as the Agilis NXT Steerable Introducer, St. Jude Medical/Abbott (K081645), and the HOTWIRE™ System RF Generator, which utilizes a commercially-available Patient Return Electrode (PRE) which is in compliance with IEC 60601-2-2, such as the Valleylab E7507DB (K822572).

The HOTWIRE™ is comprised of a stainless steel core wire. The main body of the wire is jacketed with an insulating polymer that provides electrical insulation and facilitates smooth movement of the device through vascular dilators and/or sheaths. The floppy distal segment of the wire has an atraumatic tip with an uninsulated stainless-steel coil, which serves as an electrode, and also provides fluoroscopic and echogenic visualization. A tungsten marker coil at the tip provides additional radiopacity. The stiff body of the HOTWIRE™ provides support for advancing wire-guided devices into the left atrium after the distal segment has traversed the septum. The proximal insulated portion of the wire has visual markers that align the electrode tip with third-party transseptal sheaths and/or dilators. A portion of the proximal wire is uninsulated for placement of an included handpiece that connects with the HOTWIRE™ System RF Generator.

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