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René-Théophile-Hyacinthe Laennec [a] (French:; 17 February 1781 – 13 August 1826) was a French physician and musician.His skill at carving his own wooden flutes led him to invent the stethoscope in 1816, while working at the Hôpital Necker. [1]
Auscultation (based on the Latin verb auscultare "to listen") is listening to the internal sounds of the body, usually using a stethoscope. Auscultation is performed for the purposes of examining the circulatory and respiratory systems (heart and breath sounds), as well as the alimentary canal. The term was introduced by René Laennec. The act ...
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Stethoscope in 1816 by René Laennec at the Necker-Enfants Malades Hospital in Paris. [96] Medical Quinine in 1820 by Joseph Bienaimé Caventou. [97] Codeine first isolated in 1832 by Pierre Robiquet. [98] Aspirin in 1853 by Charles Frédéric Gerhardt. [99] Hypodermic needle in 1853 by Charles Pravaz. [100] Blind experiment by Claude Bernard ...
This early stethoscope belonged to Laennec. (Science Museum, London) Early stethoscopes A Traube-type stethoscope in ivory. The stethoscope was invented in France in 1816 by René Laennec at the Necker-Enfants Malades Hospital in Paris. [1] [2] [3] It consisted of a wooden tube and was monaural. Laennec invented the stethoscope because he was ...
René Laennec's invention of the stethoscope (1816) and his publication of De l' Auscultation Médiate (1819) inspired Piorry to make an analogous contribution to the science of medical percussion. In 1826 Piorry introduced the pleximeter ( le plessimétre ), a device used to help delineate internal organs, of which he described in his 1828 ...