Steerable cardiac pacing and sensing catheter and guidewire...

Details Steerable cardiac pacing and sensing catheter and guidewire... Steerable cardiac pacing and sensing catheter and guidewire...

2005-12-06

2005-12-06

Getzow, Scott M. (Department: 3762)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical energy applicator

Reexamination Certificate

active

06973352

ABSTRACT:
An assist device for an implantable cardiac stimulation lead system includes a handle for a steerable guidewire system. An inner conductive guidewire with a distal tip electrode is pre-shaped into a free state curved configuration. An outer sheath is coaxial with the guidewire and relatively slidable between a first position restraining the guidewire to a straight condition and a second position withdrawn from a freed length of the guidewire allowing it to assume its free state curved condition. A collar on the outer sheath is movable along the handle for moving the sheath between the first and second positions. An electrical terminal is in electrical continuity with the tip electrode such that a pacing system analyzer connected between the electrical terminal and a reference electrode in the body is operable for seeking a location at which optimal pacing parameters can be determined prior to final implantation of the lead system.

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