Apparatus for the detection and recording of uterine activity

Details Apparatus for the detection and recording of uterine activity Apparatus for the detection and recording of uterine activity

1978-07-13

1981-03-17

Michell, Robert W.

Surgery

Truss

Pad

128698, A61B 504

Patent

active

042561183

ABSTRACT:
Apparatus for the detection and recording of uterine activity, particularly for use as a contraction recorder and equipped for the electromyographic detection of the electrical fields in the abdominal region inherent in muscular activity, the apparatus being composed of a system for generating a signal which essentially corresponds to the intensity of the alternating voltage component of the electromyographically derived signal, averaging this signal in time, and emitting the averaged signal as a measure for the intrauterine pressure variations.

REFERENCES:
patent: 3599628 (1971-08-01), Abbenante
patent: 3641993 (1972-02-01), Gaardner et al.
patent: 3703168 (1972-11-01), Frink
patent: 3774593 (1973-11-01), Hakata et al.
patent: 3811428 (1974-05-01), Van Horn et al.
patent: 3878833 (1975-04-01), Arneson et al.
patent: 4149716 (1979-04-01), Scudder
DeLuca, C. J. et al., "A Polar Technique for Displaying".
Sureau, "E'tude de l'Activite E'lectrique de l'Uterus au Cours du Travail", Gynecologie et Obstetrique, vol. 55, No. 2, 1956, pp. 153-175.
Fischer, W. M., "Kardioto Kographie", Georg. Thieme Verlag, Stuttgart, Germany (1973).

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