Medical lead for placement in the pericardial sac

Details Medical lead for placement in the pericardial sac Medical lead for placement in the pericardial sac

2007-09-18

2007-09-18

Layno, Carl (Department: 3766)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical energy applicator

C607S119000, C607S130000, C607S131000

Reexamination Certificate

active

11136786

ABSTRACT:
The lead body of a medical lead comprises a distal end portion carrying at least one electrode for placement in the pericardial sac of a human heart. The distal end portion of the lead body includes a multi-turn section having opposed ends, opposing forces applied to the ends tending to flatten the multi-turn section, the multi-turn section being thereby adapted to be retained within the pericardial sac. The turns of the multi-turn section may become progressively smaller from one end of the section to the other end of the section. The multi-turn section may have, in a relaxed state thereof, a generally conical, helical configuration. The at least one electrode may be carried adjacent to the end of the multi-turn section having the larger turns. Alternatively, the at least one electrode may be carried adjacent to the end of the multi-turn section having the smaller turns.

REFERENCES:
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patent: 5425756 (1995-06-01), Heil, Jr. et al.
patent: 2005/0090870 (2005-04-01), Hine et al.
patent: 0571985 (1993-12-01), None

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