Oscar Ivanissevich Defilippis, Argentine physician and diplomat (Buenos Aires 05 August 1895 – Buenos Aires 06 June 1976)
From Croatian descent
Developed suprainguinal approach ligation of only the spermatic vein for cure of left scrotal varicocele known as Ivanissevich-Gregorini method
With H. Gregorini. Una nueva operación para curar el varicocele. Sem. Med. 25:575, 1918
Proposed retroperitoneal varicocele method
Varicocele. Rev. San. Militar 36:201, 1937
With José B. Velez Díez Canseco & Carlos I. Rivas. Ginecomastia. Nueva técnica para su tratamento quirurgico. Bol. Inst. Clin. Quir. Univ. Buenos Aires 17:381, 1941
With J. Arce proposed surgical methods for hydatid cysts
With I. Prini, R.C. Ferrari & C. Rivas developed innovative techniques of plastic surgery
OFFICES
Minister of Education (1948-50; 1974-5)
EPONYMY
Ivanissevich-Ferrari minimal appendicular syndrome (1933)
Ivanissevich-Rivas notch sign (1945)
Ivanissevich-Ferrari double arc sign for diagnosis of lung hydatidosis (1938)
Lagos García-Segers-Ivanissevich’s water-hyacinth sign for diagnosis of lung hydatidosis
Ivanissevich rhinoplasty
Ivanissevich maneuver for verifying blood reflux (first proposed by Key-Curling)
Ivanissevich technique for opening a parametric ascending abscess of iliac crest
His brother, Ludovico Ivanissevich Defilippis, civil engineer (14 February 1889 – August 1957)
With Enrique Butty patented an apparatus to track ellipses, parables and hyperboles (number 5375)
Son of Ludovico, Ludovico Ivanissevich Machado, hydraulic engineer (Buenos Aires 13 August 1927 –
CONTRIBUTIONS
Universal diagram for right hydraulic calculation of pipelines (Extension of Powell diagram) 1966
Pouring gate of automatic branching with constant net output (1970)
Mathematical model for irrigation and drainage networks (1971)
Formulae for calculating abrasion bounds in rocky and granular beds (1980)
Sunken springboard theory of simple launching (1981)
Mathematical model for studying bed abrasions and cofferdams stability during river deviation (1985)