Aneroid Sphygomanometer AR




Say the words “aneroid sphygmomanometer” to most people in the country, and they will look at you confused. Say them to any person in the medical community, and they will immediately know you are talking about a blood pressure monitoring device. Aneroid sphygmomanometers are comprised of an inflatable cuff that collapses then releases the artery under the cuff in a precisely controlled manner. Inside of the device, a mercury or mechanical manometer is used to measure the pressure in conjunction with a device to measure the pressure where blood flow is just starting and at what pressure it is unimpeded. Manual aneroid sphygmomanometers are used with a stethoscope to hear these points.

While blood pressure monitors have changed with the technology of the time, the original sphygmomanometer was invented by Samuel Siegfried Karl Ritter von Basch in 1881. This device was popularized in the US in the early 20th century when Russian physician Nikolai Korotkov discovered diastolic pressure measurement.

The term “aneroid” refers to the type of gauge that is used in measuring blood pressure. Meaning, “Without fluid,” aneroid gauges use gas rather than water to detect and measure pressures of both fluid and gas. Inside these gauges is a pressure sensing element that will change in shape in response to the pressure of the area being inspected. A corresponding gauge will then tell the user the level of pressure inside.

Industry leader Welch Allyn manufactures high-quality aneroid sphygmomanometers and their accompanying accessories. Even though the device used for measuring blood pressure has remained largely unchanged for the last 100 years, the features of modern blood pressure devices have evolved with changes in technology and medical monitoring. From wall models to pocket cuffs, each aneroid sphygmomanometer is guaranteed to provide accurate measurements from the first use to beyond the thousandth.


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