Apparatus for indicating uterine activity in labor

Details Apparatus for indicating uterine activity in labor Apparatus for indicating uterine activity in labor

1979-11-14

1983-02-22

Wise, Edward J.

Boots, shoes, and leggings

128748, 128778, G06F 1542, A61B 504, A61B 510

Patent

active

RE0311588

ABSTRACT:
Apparatus for providing an indication of uterine activity in labor is described. Intrauterine pressure above the basal pressure existing between contractions is integrated over intervals of between ten and thirty minutes to give the required indication. An algorithm is disclosed for calculating dosage of a labor inducing substance, the algorithm containing safeguards to prevent hyperstimulation.

REFERENCES:
patent: 3520294 (1970-07-01), Fuzzell et al.
patent: 3525869 (1970-08-01), Gubisch
patent: 3606879 (1971-09-01), Estes
patent: 3989034 (1976-11-01), Hojaiban
Electonic Circuits Manual, p. 494.
Instrument for Measuring the Contractile Activity of the Uterus, V. Pronin, Biomedical Engineering, vol. 7, No. 4, pp. 212-215, Jul.-Aug. 1973.
An Automated Method for the Frequency Analysis of Myoelectric Signals Evaluated by an Investigation of the Spectral Changes Following Strong Sustained Contractions, S. Johansson, L. E. Larsson & R. Ortegren, Med. & Bio. Engineering, vol. 8, No. 3, pp. 257-264, 1970.
A State Variable Averaging Filter for Electromyogram Processing, Med. & Bio. Eng., vol. 10, pp. 559-560, 1972.
Uterine Contractility Data Processing System, Kepka et al., American Journal Obstetrics Gynecology, Oct. 1, 1975, pp. 246-250.
Quantitation of Uterine Activity, Hon et al., Obstetrics and Gynecology, vol. 2, No. 3, Sep. 1973, pp. 368-370.
Uterine Activity in Induced Labour, Steer, et al., British Journal of Obstetrics and Gynecology, vol. 82, No. 6, Jun. 1975, pp. 433-441.
Quantitation of Uterine Activity in 100 Primiparous Patients, Miller et al., American Journal Obstetrics and Gynecology, Feb. 15, 1976, pp. 398-405.

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