Inventor Record

Medical devices, vascular stents

Julio C. Palmaz: inventions and patents

Known for Balloon-expandable intravascular stentNationality Born in ArgentinaBorn 13 December 1945

Julio C. Palmaz is a vascular radiologist who earned his medical degree from the National University of La Plata in 1971 and developed the intravascular stent at the University of Texas Health Science Center at San Antonio between 1978 and 1985. The National Inventors Hall of Fame describes the Palmaz Stent as the first commercially successful stent and the first balloon-expandable one. It says the FDA approved it for peripheral arterial use in 1991 and for coronary use in 1994. He was inducted into the Hall of Fame in 2006.1

Patents

US 4,733,6652,1

Expandable intraluminal graft, and method and apparatus for implanting an expandable intraluminal graft

Filed
7 November 1985
Granted
29 March 1988
Assignee
Expandable Grafts Partnership

View the patent document

Inventions

Recognition

Sources

  1. National Inventors Hall of Fame, Julio C. Palmaz (accessed 2026-10-28)
  2. Google Patents, US4733665A Expandable intraluminal graft (accessed 2026-10-28)