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Slippery coaxial catheter system.

T Hosoki¹, T Hashimoto, M Masuike

¹Department of Radiology, Osaka University Medical School, Japan.

|June 1, 1989

Summary

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A novel slippery coaxial catheter device enables smooth navigation through complex blood vessels for targeted chemotherapy delivery and embolization. This advancement improves safety and efficacy in interventional procedures.

Area of Science:

Interventional Radiology
Medical Device Engineering
Oncology

Background:

Selective angiography, embolization, and chemotherapy infusion require precise catheter navigation.
Existing devices may face challenges in traversing tortuous vascular anatomy.

Purpose of the Study:

To develop and evaluate a novel slippery coaxial catheter device for improved vascular access and targeted therapy delivery.

Main Methods:

A 3-French (3-F) coaxial catheter system was designed with a hydrophilic polymer coating for enhanced lubricity.
The device includes a 0.018-inch guide wire and a 6.5-F guiding catheter.
Clinical feasibility was assessed in four patients undergoing interventional procedures.

Main Results:

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The slippery coaxial catheter device demonstrated smooth and safe traversal of tortuous vessels.
The device successfully facilitated the infusion of chemotherapeutic agents.
It also enabled the delivery of 1-mm gelatin particles for embolization.

Conclusions:

The novel slippery coaxial catheter device offers a safe and effective solution for complex vascular interventions.
This technology enhances the precision of chemotherapy infusion and embolization procedures.