Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical energy applicator
Patent
1998-11-20
1999-12-07
Kamm, William E.
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Electrical energy applicator
A61N 105
Patent
active
05999858&
ABSTRACT:
A cardiac pacing lead for use in the coronary sinus and coronary veins. The lead is provided with a lead body configured to exhibit a curved configuration along a distal portion thereof, induced to maintain a portion of the curved configuration solely by a portion of a polyurethane lead body formed to display the curved configuration and wherein the lead conductor is freely mounted within the segment The curved configuration includes first and second arcuate segments together providing a single-plane curvature of approximately 180 degrees, separated by a generally straight segment, the first segment having a greater length and greater arc of curvature than the second segment. The lead body encloses a first conductive coil coupled to an electrode mounted to the distal end of the lead body and a second elongated conductive coil is also located within the lead body and extends to a transition point proximal to the distal end of the first coil conductor, the second coil terminating within the lead body and insulated from the exterior of the lead body. The first conductive coil has a generally straight configuration and the distal portion of the second coil is formed to define a curve.
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Hine Douglas
McVenes Rick D.
Sommer John L.
Duthler Reed A.
Evanisko George R.
Kamm William E.
Medtronic Inc.
Patton Harold R.
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