Apparatus for monitoring the rhythm of a patient's heartbeat
US4364397A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 23, 1980 |
| Grant date | Dec 21, 1982 |
| Priority date | — |
| Expiry date | Jan 23, 2000 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/024
- WIPO fieldMedical technology
- WIPO sectorInstruments
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 corr…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.