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Guide wire angioplasty balloon catheter: preliminary report
1Department of Radiology, University of Virginia Medical Center, Charlottesville 22908.
Radiology
|October 1, 1988
Summary
A novel angioplasty balloon catheter offers improved flexibility and a lower profile for better performance. This new device, combined with advanced guidewire technology, shows promise in clinical use for peripheral stenosis dilation.
Area of Science:
- Vascular Surgery
- Medical Device Technology
- Interventional Cardiology
Background:
- Conventional angioplasty balloon catheters have limitations in flexibility and profile.
- Advancements are needed to improve device deliverability and efficacy.
Purpose of the Study:
- To introduce a new, low-profile angioplasty balloon catheter with enhanced flexibility.
- To evaluate the performance of this novel device in preclinical and initial clinical settings.
Main Methods:
- Development of a balloon catheter with thinner, more flexible walls.
- Integration with new guidewire technology for a low-profile system (0.038-inch guidewire).
- Preclinical testing in a rabbit model and initial clinical use in patients with peripheral stenoses.
Main Results:
- The new balloon catheter demonstrated superior flexibility and thinner walls compared to conventional types.
- It successfully withstood pressures of 8-10 atm.
- Preclinical comparison showed favorable results against a standard 7-F catheter.
- Successfully dilated ten peripheral stenoses in four patients.
Conclusions:
- The new low-profile angioplasty balloon catheter represents a significant advancement in device technology.
- It offers improved performance characteristics for angioplasty procedures.
- Initial clinical application suggests efficacy in treating peripheral stenoses.