Etched grooved electrode for pacing lead and method for making s

Details Etched grooved electrode for pacing lead and method for making s Etched grooved electrode for pacing lead and method for making s

1985-01-28

1987-03-17

Kamm, William E.

Surgery

Truss

Pad

128419P, A61N 104

Patent

active

046499377

ABSTRACT:
The tip electrode member has a rounded or bullet shaped distal end and has grooves etched into the distal end to increase the surface area of the electrode member within a small displaced surface area to minimize polarization of the tip electrode member while ensuring sufficient electric current flow to cause heart muscle depolarization. Preferably, the tip electrode member is made of titanium or a titanium alloy and is coated with carbon.

REFERENCES:
patent: 3911928 (1975-10-01), Lagergren
patent: 4011861 (1977-03-01), Enger
patent: 4033357 (1977-07-01), Helland et al.
patent: 4280514 (1981-07-01), MacGregor
patent: 4352360 (1982-10-01), King
patent: 4407302 (1983-10-01), Hirshorn et al.
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patent: 4440178 (1984-04-01), Bussard et al.
patent: 4502492 (1985-03-01), Bornzin
Kuperstein et al., "I.E.E.E. Transactions on Biomedical Engineering", V. BME-28, No. 3, Mar. 1981, pp. 288-293.

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