[Methods of larynx phoniatory function measurement in the Poznań University Department of Ear, Throat, Nose and Larynx Diseases between 1922 and 1939].
BACKGROUND
Indirect laryngoscopy development and progress initiated in 1854 by the autolaryngoscopy of the famous singing voice teacher Manuel Garcia in ENT speciality is connected with the names of L. Tuerck and J.N. Czermak, the last one being called the father of laryngoscopy. In 1878 M. Oertel used for the first time stroboscopic light in indirect laryngoscopy. The perception of stroboscopic picture is based on the Talbot principle.
Two apparatuses used for the evaluation of larynx function in the Poznań ENT Department before the II World War are presented:--Polylaryngoscop enabling evaluation the indirect laryngoscopy simultaneously by several individuals.--Mechanical stroboscop of Oertel type with perforated disc moved by electrical engine.


CONCLUSIONS
For 130 years laryngostroboscopy belongs to the basic examination methods of larynx phonatory function.
Katedra i Klinika Foniatrii i Audiologii Uniwersytetu Medycznego im. Karola Marcinkowskiego w Poznaniu.
Andrzej
A
Obrebowski
Piotr
P
Swidziński
Antoni
A
Pruszewicz
Teodor
T
Swidzński
D049673:History, 20th Century; D006801:Humans; D007828:Laryngoscopy / Q000266:history*; D007830:Larynx / Q000502:physiology*; D010699:Phonation / Q000502:physiology*; D011044:Poland; D049489:Stroboscopy / Q000266:history*