A digital sphygmomanometer is disclosed in which a conventional arm cuff and a compact high sensitivity pneumatic sensor measuring system utilizing mechanical/optical/electronic techniques rapidly and accurately converts one's own or a patient's blood pressure to encoded digital signals which provide dual latched three digit displays of systolic and diastolic pressures with countdown in 1 mm Hg increments on the respective displays of cuff pressure as it is decreased to systolic pressure and as it is decreased from systolic to diastolic pressure.
A sphygmomanometer or blood pressure meter is a device used to measure blood pressure, comprising an inflatable cuff to restrict blood flow, and a mercury or mechanical manometer to measure the pressure. It is always used in conjunction with a means to determine at what pressure blood flow is just starting, and at what pressure it is unimpeded. Manual sphygmomanometers are used in conjunction with a stethoscope.
A sphygmomanometer consists of an inflatable cuff, a measuring unit (the mercury manometer, or aneroid gauge), and inflation bulb and valve, for manual instruments.
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