Storage in a pacemaker memory

Details Storage in a pacemaker memory Storage in a pacemaker memory

1986-10-06

1988-01-05

Howell, Kyle L.

Surgery

Truss

Pad

128695, 128696, 128419P, 128708, 375 28, 375 29, 364569, A61B 504

Patent

active

047169036

ABSTRACT:
An implantable pacemaker which stores in memory the representation of an ECG signal by compressing the data. Whenever the input signal changes by a threshold amount from the last time data was recorded, a representation of the time interval which has elapsed is recorded. In a maximimally efficient system, the only information which must be stored are the successive elapsed times, along with indications of when the input signal changes slope.

REFERENCES:
patent: 3453562 (1969-07-01), Magnuski
patent: 4071825 (1978-01-01), McGuffin
patent: 4151517 (1979-04-01), Kelly
patent: 4305050 (1985-08-01), DeFreitas
patent: 4348769 (1982-09-01), Kittel
patent: 4466440 (1984-08-01), Money et al.
patent: 4567883 (1986-02-01), Langer et al.
patent: 4571589 (1986-02-01), Slocum et al.
patent: 4614192 (1986-09-01), Imran et al.

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