Surgery – Truss – Pad
Patent
1980-04-09
1982-04-27
Kamm, William E.
Surgery
Truss
Pad
A61B 504
Patent
active
043265383
ABSTRACT:
In automatic EKG-analysis, for example, the occurrence of signals, such as regular QRS-complex or also extrasystoles, is monitored in adjustable time intervals. However, it also happens that regular signal complexes in a signal sequence are lacking. In accordance with an exemplary embodiment, for the recognition and display of missing individual events in the essentially periodic signal sequence corresponding to the mean signal frequency, an adjustable measuring voltage, proportional to the signal period duration, is compared with the mean value formed from the measuring voltage summed up in the preceding signal period, whereby, upon exceeding the comparison voltage value, a count signal is triggered. In this manner, asystolias, or so-called "missed beats" of the EKG can be ascertained, while compensatory pauses after extrasystoles are eliminated.
REFERENCES:
patent: 2492617 (1949-12-01), Boland et al.
patent: 3438367 (1969-04-01), Karsh et al.
patent: 3518983 (1970-07-01), Jorgensen
patent: 3618593 (1971-11-01), Nachev et al.
patent: 3902479 (1975-09-01), Chaumet
patent: 3968431 (1976-07-01), Ekstrom
patent: 3978856 (1976-09-01), Michel
Molz Claudius
Weigert Kurt
Kamm William E.
Siemens Aktiengesellschaft
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