Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical energy applicator
Patent
1998-03-10
2000-10-17
Evanisko, George R.
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Electrical energy applicator
607119, 606129, 600585, A61N 105
Patent
active
061324566
ABSTRACT:
An arrangement for transvenously introducing and fixing a cardiac electrode at a cardiac implantation site. The arrangement includes a pusher having an elongated body of flexible material, which may be coupled with a cardiac lead adjacent the distal end of the cardiac lead and may be employed to advance the cardiac lead transvenously. The pusher is provided with an engagement mechanism which engages the distal end of the cardiac lead while the lead extends proximally along side the exterior surface of the pusher and which engages the distal end of the lead body when the pusher body is advanced distally and disengages from the cardiac lead body when the pusher is withdrawn proximally. The pusher body has sufficient column strength to be advanced through a patient's venous system to a desired implantation site within the heart. The cardiac lead may include a fixation helix extending from the distal end of the lead and the pusher body may be employed to apply torque to the distal end of the lead to screw the helix into cardiac tissue at a desired implantation site.
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Lodes Michael P.
Sommer John L.
Duthler Reed A.
Evanisko George R.
Medtronic Inc.
Patton Harold R.
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