Porous pacemaker electrode tip

Details Porous pacemaker electrode tip Porous pacemaker electrode tip

1981-04-06

1983-10-11

Cohen, Lee S.

Surgery

Truss

Pad

128419P, A61N 104

Patent

active

044086040

ABSTRACT:
A porous cardiac pacemaker electrode comprising a concavo-convex electrode cap having a plurality of apertures therethrough and an electrode shaft having a supporting edge formed thereon to which the concave surface of the electrode cap is joined. The porous cardiac pacemaker electrode is produced by deforming a platinum plate into a concavo-convex shaped cap member, forming a plurality of selectively spaced apertures through the electrode cap member to make the electrode cap substantially porous, forming an electrode shaft having a supporting edge, and joining the supporting edge of the electrode shaft to the concave surface of the electrode cap member.

REFERENCES:
patent: 3754555 (1973-08-01), Schmitt
patent: 3911928 (1975-10-01), Lagergren
patent: 3935864 (1976-02-01), Lagergren
patent: 3981309 (1976-09-01), Cannon
patent: 4011861 (1977-03-01), Enger
patent: 4030508 (1977-06-01), Thalen
patent: 4052754 (1977-10-01), Homsy
patent: 4280514 (1981-07-01), MacGregor
Munde et al., "Development of a Non-Polarizable Stimulating Electrode for Implantable Cardiac Pacemakers," Siemens Prosche u Entwicki-Ber BD 8 (1979) Nr4, pp. 227-234.
Hirshorn et al., "Histological Evaluation of Porous Titanium Cardiac Pacemaker Electrode Tips," First Asian-Pacific Symposium on Cardiac Pacing, Jun. 16, 1980, P2.37.
MacGregor et al., "The Porous-Surfaced Electrode," The Journal of Thoracic and Cardiovascular Surgery, vol. 38, No. 2, Aug. 1979 pp. 280-291.
Amundson et al., "The Porous Endocardial Electrode," PACE, vol. 2, Jan.-Feb. 1979, pp. 40-50.
Amundson, "Characteristics of the CPI Porous Tip Electrode," Impulse, Apr. 1979, pp. 7-10, 14.
Barold et al., "Cardiovascular Instrumentation," Chest, 70, Dec. 6, 1976, pp. 760-766.

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