In 1953, he introduced the Seldinger technique to obtain safe access to blood vessels and other hollow organs.
He was qualified with the title of Docent in Radiology in 1967 after successfully defending his thesis on percutaneous transhepatic cholangiography.
[4] The Seldinger technique is a medical procedure to obtain safe access to blood vessels and other hollow organs.
Seldinger first published this technique for obtaining percutaneous access to blood vessels in 1953 for the publication Acta Radiologica.
This new technique introduced the practice of using a flexible wire to guide a catheter to previous unreachable vascular areas of the body.