Term: sphygnomanometer or sphygometer
Literally meaning: “measure of rare pulse”
σφυγμός/sphygmos(=pulse) >σφύζω/sphysso(=to throb)
μανός/manos(=thin, loose, rare)
μέτρον/metron (= measure)
The first crude clinical sphyngomanometer was invented in 1896 by Scipione Riva-Rocci (1863-1937) who made a simple instrument to measure blood pressure using simple objects like ink-pot, mercury and a bicycle tubular tire.
A sphygnomanometer is the device for measuring blood pressure