Wilhelm Conrad Rontgen discovered X-rays.
Tools for interventions such as heparinized guidewires, contrast injector, disposable catheter needles and see-through film changer.
Embolization therapy to treat tumors and spinal cord vascular malformations by blocking the blood flow.
Closure of the patent ductus arteriosis, a heart defect in newborns of a vascular opening between the pulmonary artery and the aorta.
The Judkins technique of coronary angiography, the technique still most widely used around the world today.
Selective vasoconstruction infusions for hemorrhage, now commonly used for bleeding ulcers, GI bleeding, and arterial bleeding.
The catheter-delivered stenting technique and prototype stent
Selective arterial embolization for GI bleeding, which was adapted to treat massive bleeding in other arteries in the body and to block blood supply to tumors.
Selective arterial thrombolysis for arterial occlusions, now used to treat blood clots, stroke, DVT, etc..
Transhepatic embolization for variceal bleeding.