Surgery – Truss – Pad
Patent
1980-01-23
1982-12-21
Kamm, William E.
Surgery
Truss
Pad
A61N 504
Patent
active
043643973
ABSTRACT:
Apparatus is disclosed for monitoring and storing electrical signals in a manner to detect the intervals between heartbeats and to provide a manifestation of whether the corresponding heart signals have a regular heart rhythm or not. Such apparatus comprises a memory having at least first and second areas, a circuit for receiving and sampling the heart signals, and a circuit for temporarily storing the heart sample signals in the first area. Further, there is included a circuit for processing or evaluating the heart signals stored in the first area to determine the occurrences of the patient's heartbeat and for determining the intervals between adjacent heartbeats. The determined intervals are stored in the second area and are evaluated to determine whether the patient's heart activity occurs with a regular rhythm. The monitoring and storing apparatus is operative over a monitoring period comprised of a plurality of trend sample intervals. If the heart activity signals occur with a regular rhythm, various characteristics of the heart activity signals including the average rate, and the minimum and maximum rate of the heartbeat as occur within an interval may be stored within a corresponding location of said area of the memory.
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Cashman "Journal of Medical Engineering and Technology" Jan. 1977.
Citron Paul
Hepp Dennis G.
Jirak Thomas L.
Gable R. Lewis
Kamm William E.
Medtronic Inc.
Rooney John L.
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