Design and Development of Arm Manikin for Blood Pressure and Pulse Simulation
Journal Title: International Journal of Modern Engineering Research (IJMER) - Year 2014, Vol 4, Issue 5
Abstract
The purpose of this study is to develop an arm manikin for oscillometric methods of blood pressure measurement over full clinical range of blood pressure, heart rate. Blood pressure simulator helps to resolve the uncertainties common in teaching students to take blood pressure. Simulator allows the pre-setting of values for both systolic and diastolic pressures and provides an excellent means to practice listening and distinguishing blood pressure sounds prior to actual clinical experience. With this realistic unit, the student can find the preset results and the instructor can unfailingly know if the student has performed the procedure accurately. The arm manikin is a mould made up of rexine material which is coated with ethaflex as a skin material. A small rubber tube is used as blood vessel and a small micro-speaker for heart beat listening. An external electronic box is used to make students do the whole practice of blood pressure and pulse measurement. The compressed air with 2x2 NC solenoid valve and other pneumatic accessories are used to create the artificial pulses. A small micro-speaker with pre-recorded sound is used to generate heart beating sound in the antecubital area. A blood pressure sensor MPX5050GP is used to sense the sphygmomanometer dial pressure. PCB designed using a 16-bit micro-controller with on-chip ADC and DAC. It has five keys and graphical 16x2 LCD for setting the simulation parameters including the heart rate, systolic pressure, diastolic pressure.
Authors and Affiliations
Mr. Mahavir K. Beldar1 , Mr. Prasanna Balan 2 , Dr. B. B. Ahuja3
Keywords
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