1929
Werner Forssmann Self-Catheterizes
Passes urologic catheter into his own right atrium — first cardiac catheterization. Nobel Prize 1956.
1953
Seldinger Technique
Sven-Ivar Seldinger's needle-wire-catheter exchange revolutionizes vascular access — still the standard 70 years later.
1960s
Subclavian CVP Lines
Wilson and Dudrick establish subclavian vein catheterization for total parenteral nutrition. CVP monitoring in ICUs begins.
1970
Swan-Ganz Catheter
Flow-directed pulmonary artery catheter enables bedside hemodynamic monitoring — CVP, PCWP, CO measurement.
1975
First PICC Lines
Peripherally inserted technique described by Hoshal — avoids chest insertion risk while achieving central tip position.
1988
Tunneled Hickman Catheter
Long-term tunneled CVCs enable home chemotherapy, TPN, and chronic IV access without hospitalization.
1990s
Ultrasound-Guided Access
Real-time US guidance for IJ access cuts pneumothorax and arterial puncture rates dramatically. NICE guidelines mandate it 2002.
2002
CLABSI Prevention Bundles
Peter Pronovost's Michigan Keystone Project reduces CLABSI rates 66% using insertion/maintenance checklists. 1,500 lives/year saved.
2010s
ECG-Guided Tip Placement
Intravascular ECG guidance (P-wave morphology) enables real-time tip position confirmation without post-insertion CXR delay.
2020s
AI-Assisted Placement
Machine learning for vein mapping, tip prediction, and CLABSI risk scoring — the Intracav opportunity space.