Surgery – Truss – Pad
Patent
1978-01-18
1981-04-14
Michell, Robert W.
Surgery
Truss
Pad
A61B 505
Patent
active
042613710
ABSTRACT:
A method and apparatus for measuring bio-electrical potential in female mammalia to determine ovulation.
The apparatus includes a first and second container operable to contain an ionic medium and to receive in one container at least one finger of one hand of a test subject and a first active probe and to receive in the other container at least one finger of the other hand of the test subject and a second active probe. An electrical network for measuring electronic potentials in the millivolt range is connected to the active probes and functions to measure increases in potential emitted by the test subject upon ovulation.
The method includes the steps of inserting at least one finger of one hand of a test subject into a first container along with a first active probe, inserting at least one finger on the other hand of the test subject into a second container along with a second active probe and measuring ionic potential changes within the test subject through ionic current flow through the ionic medium and electron flow through the active probes and measuring networks. Digital circuits respond to the measured potential of the test subject to display the potential while accumulating and averaging several potential readings.
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Caldwell, W. M. et al., "A Wide-Range Linear Beat-By-Beat Cordiotachometer", Med. & Biol. Engr., vol. 8, 1970, pp. 181-185.
Ray, C. D., "Biomedical Engineering", Yrbk Publ., Chicago 1974, pp. 1000-1014.
Jaworski Francis J.
Michell Robert W.
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