Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical therapeutic systems
Patent
1993-03-26
1994-09-27
Kamm, William E.
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Electrical therapeutic systems
607 14, A61N 139
Patent
active
053504011
ABSTRACT:
An ICD/pacemaker device provides a shocking pulse whenever it senses cardiac activity indicative ventricular fibrillation by standard means and a unique algorithm to respond to low amplitude ventricular fibrillation that would not be expected to be recognized/sensed by standard means. The ICD/pacemaker device further provides stimulation pulses on demand to a patient's heart whenever cardiac activity is not sensed and determines whether a given stimulation pulse has caused capture. If capture has not occurred, the energy of the stimulation pulse is increased by a predetermined amount and capture is retested. If the energy of the stimulation pulses increases up to a maximum value without causing capture, the generation of further stimulation pulses is stopped, and the ICD/pacemaker device presumes that low amplitude ventricular fibrillation is present. When fibrillation is sensed or presumed to be present, a shocking pulse is generated. In this manner, the ICD/pacemaker device responds to a low amplitude ventricular fibrillation that may not be sensed by the normal sensing circuits.
REFERENCES:
patent: 4686988 (1987-08-01), Sholder
patent: 4712555 (1987-12-01), Thornander et al.
patent: 4712556 (1987-12-01), Baker
patent: 4787389 (1988-11-01), Tarjan
patent: 4788980 (1988-12-01), Mann et al.
patent: 4899750 (1990-02-01), Ekwall
patent: 4940052 (1990-07-01), Mann et al.
patent: 4944298 (1990-07-01), Sholder
patent: 4989602 (1991-02-01), Sholder et al.
Kamm William E.
Siemens Pacesetter, Inc.
Weinberg Lisa P.
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