TECHNICAL NOTE: A LOW COST PRESSURE SENSOR FOR LONG-TERM UTERINE CONTRACTION MONITORING

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YOUSEFI NAJAFABADI M.R.; BASTANI B.; ABRISHAMI MOGHADAM H.; GHARIBZADEH SHAHRIAR; ASGARI Z.

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Paper Information

Journal: MODARES TECHNICAL AND ENGINEERING Year:2007 | Volume:- | Issue:26 (SPECIAL ISSUE ON ELECTRICAL ENGINEERING) Page(s): 85-93

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Title

TECHNICAL NOTE: A LOW COST PRESSURE SENSOR FOR LONG-TERM UTERINE CONTRACTION MONITORING

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Keywords

PERSSURE MEASUREMENTQ4

UTERINE ACTIVITY MONITORINGQ4

AMBULATORY PERSSUREQ4

LONG-TERM UTERINE CONTRACTION MONITORING TQ4

PRETERM LABOR DETECTIONQ4

Abstract

Home UTERINE ACTIVITY MONITORING (HUAM) has demonstrated to be of great value for preventing preterm labor in recent years. In this research, a low cost monitoring device for non-invasive monitoring of the uterine activity in pregnant women is presented. The new device has been designed based on an inductive Colpitz oscillator and vertical displacement of a ferrite core in a coil. The resulting frequency of the oscillator is proportional to the pressure in the external surface of the abdomen. This frequency is measured by the portable monitor. A low-power static random access memory (SRAM) provides long-term data storage. The proposed sensor for detecting uterine contractions has light weight, high stability and low cost. This sensor is very simple to manufacture and use for long-term ambulatory monitoring of the uterine activity. Furthermore, this sensor can be calibrated using software. Other features of the sensor are, resolution of 0.13 mmHg, repeatability close to 96% and input range from 0 to 95.32 mmHg.

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APA: Copy

YOUSEFI NAJAFABADI, M.R., BASTANI, B., ABRISHAMI MOGHADAM, H., GHARIBZADEH, SHAHRIAR, & ASGARI, Z.. (2007). TECHNICAL NOTE: A LOW COST PRESSURE SENSOR FOR LONG-TERM UTERINE CONTRACTION MONITORING. MODARES TECHNICAL AND ENGINEERING, -(26 (SPECIAL ISSUE ON ELECTRICAL ENGINEERING)), 85-93. SID. https://sid.ir/paper/25047/en

Vancouver: Copy

YOUSEFI NAJAFABADI M.R., BASTANI B., ABRISHAMI MOGHADAM H., GHARIBZADEH SHAHRIAR, ASGARI Z.. TECHNICAL NOTE: A LOW COST PRESSURE SENSOR FOR LONG-TERM UTERINE CONTRACTION MONITORING. MODARES TECHNICAL AND ENGINEERING[Internet]. 2007;-(26 (SPECIAL ISSUE ON ELECTRICAL ENGINEERING)):85-93. Available from: https://sid.ir/paper/25047/en

IEEE: Copy

M.R. YOUSEFI NAJAFABADI, B. BASTANI, H. ABRISHAMI MOGHADAM, SHAHRIAR GHARIBZADEH, and Z. ASGARI, “TECHNICAL NOTE: A LOW COST PRESSURE SENSOR FOR LONG-TERM UTERINE CONTRACTION MONITORING,” MODARES TECHNICAL AND ENGINEERING, vol. -, no. 26 (SPECIAL ISSUE ON ELECTRICAL ENGINEERING), pp. 85–93, 2007, [Online]. Available: https://sid.ir/paper/25047/en

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