Heinrich von Recklinghausen, Date of Birth, Place of Birth, Date of Death
TweetHeinrich von Recklinghausen
German military physician
Date of Birth: 
Place of Birth: Würzburg, Bavaria, Germany
About Heinrich von Recklinghausen
- Heinrich von Recklinghausen (17 April 1867 – 12 December 1942) was a German physician and scientist from Würzburg.
- After receiving his medical doctorate in 1895, he worked as an assistant in several hospitals.
- In 1902 he moved to Bern, where he worked in the physiological institute of Hugo Kronecker (1839-1914).
- During World War I he was a military physician in Strasbourg, and afterwards performed scientific research in Heidelberg and Munich.
- He was the son of pathologist Friedrich Daniel von Recklinghausen (1833-1910). Recklinghausen is primarily remembered for his study of blood pressure, and contributions made in the science of blood pressure measurement.
- He is credited for making improvements to Scipione Riva-Rocci's (1863-1937) sphygmomanometer by increasing the size of the pressure cuff from 5cm to 10cm.
- During the 1930s he devised an oscillo-tonometer; a device used to measure systolic and diastolic blood pressure.
- It consisted of a mechanical amplification system connected to an oscillating needle and dial, two cuffs (a 5 cm cuff overlapping a 10 cm cuff) being connected to single inflation bulb, a control lever, a release valve and two tambours (one being connected to the atmosphere and the other to the lower cuff).
- With Recklinghausen's oscillotonometer, a stethoscope was not needed to listen for Korotkoff sounds, they were instead represented as oscillations of a needle. For much of his life, Recklinghausen maintained an avid interest in philosophy and metaphysics.
- Although he published no books on these subjects, he left behind copious notes concerning his beliefs, and maintained an ongoing correspondence with philosophers Heinrich Rickert (1863-1936), Paul Hensel (1860-1930) and Albert Schweitzer (1875-1965).
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