Lead with inter-electrode spacing adjustment

Details Lead with inter-electrode spacing adjustment Lead with inter-electrode spacing adjustment

1995-12-21

1998-10-20

Kamm, William E.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical energy applicator

600374, A61N 105

Patent

active

058240306

ABSTRACT:
A single-pass transvenous lead for atrial sensing and pacing, ventricular sensing and pacing, as well as for ventricular and atrial defibrillation. The lead optimizes the positioning of the electrodes in various patients regardless of variations in these patients' hearts, by enabling independent adjustment of the spacing between various pacing, sensing and defibrillation electrodes, before and after implantation or insertion in the heart. The lead includes an elongated lead body, an outer sheath that extends coaxially with the lead body, and two atrial windows positioned along the outer sheath, adjustable relative to a reference point such as a distal pacing tip. The outer sheath includes an atrial section that is slidably adjustable along the lead body by means of an expandable member.

REFERENCES:
patent: 3974834 (1976-08-01), Kane
patent: 4603705 (1986-08-01), Speicher et al.
patent: 4721118 (1988-01-01), Harris
patent: 4735205 (1988-04-01), Chachques et al.
patent: 4744370 (1988-05-01), Harris
patent: 4913164 (1990-04-01), Greene et al.
patent: 5127403 (1992-07-01), Brownlee
patent: 5489275 (1996-02-01), Thompson et al.

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