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A new catheter type for superselective angiography and embolization
1Department of Radiology, Hôpital Cantonal, Fribourg, Switzerland.
Acta Radiologica (Stockholm, Sweden : 1987)
|March 1, 1997
Summary
A novel catheter design enhances pushability and trackability in superselective angiography and embolization, frequently replacing conventional coaxial catheters. This innovation offers improved arterial access and potential cost reductions for intravascular procedures.
Area of Science:
- Vascular Surgery
- Interventional Radiology
- Medical Device Engineering
Background:
- Conventional catheters often present limitations in navigating complex arterial anatomy.
- Coaxial catheter systems, while effective, can add complexity and cost to procedures.
Purpose of the Study:
- To introduce and evaluate a new family of catheters designed for superselective angiography and embolization.
- To overcome the shortcomings of existing catheter technologies, including improved torque control, pushability, and trackability.
Main Methods:
- Development of a new nylon catheter featuring a rigid proximal section and a flexible, hydrophilic-coated, shape-memory tip.
- Experimental comparison of the new catheter design against conventional catheters in arterial procedures.
Main Results:
- The new catheters demonstrated superior pushability and trackability compared to conventional types.
- The novel catheter design more frequently enabled access to the arterial periphery.
- Over 500 arterial procedures have been successfully performed using these new catheters.
Conclusions:
- The developed catheters offer a viable alternative to coaxial systems in superselective angiography and embolization.
- Widespread adoption of these new catheters could lead to significant cost savings in intravascular interventions.