Ivan Kanus was born in the village of Rybolovo of Dyatlov district (Grodno region). In 1949, after finishing seven grades of secondary school, he was admitted to Baranovichi Obstetric School, which he finished in 1953. That year, he was drafted for navy military service. He did his military service as a physician's assistant. Until 1958, Ivan Kanus had been working as a physician's assistant at Dyatlov Central Regional Hospital. From 1958 to 1964, he studied at Grodno Medical Institute. After the graduation, he started to work at Belarusian Scientific and Research Institute for Oncology and Medical Radiology.
From August, 1964 to May, 1982, Ivan Kanus worked as an anesthesiologist and intensivist at Scientific and Research Institute for Oncology and Medical Radiology. In 1978, Ivan Kanus defended his Candidate’s thesis entitled «Narcosis and postoperative period in patients with cervical cancer at surgical and combined treatment».
Since 1982, he had been working as an assistant at the Department of Anesthesiology and Resuscitation of Belarusian State Institute for Advanced Medical Training; from 1990 to 2004 — as head of the department. In 1990, he defended his Doctoral thesis entitled: «Integration and differentiation of intensive therapy in patients with acute renal failure of different etiology». In 1991, he got the academic title of professor.
His main scientific interest is anesthetic management and intensive therapy of emergency and critical conditions. He is an author 10 scientific works, 8 monographs and a computer program. He got 17 patents for invention and 25 certificates for rationalization proposals. Ministry of Health of the Republic of Belarus approved 20 instructions for the methods of diagnostics and treatment.
Ivan Kanus is a member of the Expert Council of the Higher Attestation Commission. He is a member of the Editorial Board of the journals «Surgery News», «Medical Panorama», «Emergency Medicine».
His main achievement is development, serial production and implementation into clinical practice of unique present-day devices for inhalation anesthesia of the series МК 1-2. He has completed the development and implementation of devices for artificial lung ventilation– Vian-3-turbo.
Ivan Kanus got a lot of state rewards: a holder of honorary title “Honored Worker of Science of the Republic of Belarus” (Presidential Decree №471 of 24/09/2009), presidential scholar, holder of honorary certificates, medal «Veteran of Labour», honorary academician of BelMAPE, excellent worker of public health of the Republic of Belarus.