Table 1 Milestones in the CTO guidewire technology
From: Theory and practical based approach to chronic total occlusions
Year | Milestone | Product |
|---|---|---|
1995 | Polymeric coating | SCIMED Choice PT |
1996 | Hydrophilic coating | TERUMO Crosswire |
1997 | Incremental tip load (drilling concept) | ASAHI Miracle family (3.5 up to 12 gr) |
1998 | Tapered Tip Design | GUIDANT HT CROSS-IT XT |
1998 | Combination of tapering with hydrophilic coating in high tip stiffness (>9 gr) (penetration concept) | ASAHI Confianza/Pro |
2008 | Combination of tapering with polymer and hydrophilic coating in low tip stiffness (<1 gr) (sliding concept) | ASAHI Fielder XT |
2010/2011 | Composite core tip in low tip stiffness | ASAHI SION/Fielder XTA/XTR |
2013 | Combination of composite core tapering polymeric and hydrophilic coating in intermediate stiffness (>1.5gr, <5 gr) (Deflection and rotation concept) | ASAHI GAIA family |