Implantable heart stimulator with infection control current,...

Details Implantable heart stimulator with infection control current,... Implantable heart stimulator with infection control current,...

2007-07-10

2007-07-10

Layno, Carl (Department: 3766)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

C607S036000, C604S265000

Reexamination Certificate

active

10468589

ABSTRACT:
An implantable heart stimulator has a pulse generator, implantable in a subcutaneous pocket, and an electrode lead connected thereto for delivering stimulation pulses to a patient's heart. The pulse generator has an electrically conductive housing, and the electrode lead has a proximal portion which after implantation, extends substantially from the housing to a location situated beyond entry into the venous system and before entry into the superior vena cava. The proximal portion has an exterior with an electrically conductive surface, which together with the housing, form an infection control current electrode. A counter electrode is disposed outside of the subcutaneous pocket, and a current source supplies an infection control current between the infection control current electrode and the counter electrode for counteracting bacterial growth at least on an exterior of the housing.

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