Apparatus for non-invasive monitoring of uterine contractions

Surgery – Truss – Pad

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128775, 128778, A61B 5103

Patent

active

049896156

ABSTRACT:
An apparatus which includes a bladder element (10) which is at least partially filled with fluid, a belt-like element (12) which holds the bladder against the patient's abdomen with some pressure, and a pressure monitoring device (18) which is connected to the bladder (10) to detect changes in the pressure of the fluid in the bladder (10) as the abdomen hardens due to uterine contractions.

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Smyth, C. N., The Guard-Ring Tocodynamometer; Journal of Obstetrics and Gynecology of the British Empire; 1957; vol. 64, p. 59 (referencing the above patent document).

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