Balloon Catheters are used in a Wide Range of Minimally Invasive Diagnostic and Therapeutic Procedures

 

Balloon Catheters
Balloon Catheters

A balloon catheter is a flexible device with a balloon at its tip that can be inflated or deflated while in place to create or enlarge a passageway. It is also used to remove blockages or open narrowed coronary arteries caused by coronary artery disease. In addition, balloon catheters can be used for renal denervation, cryoablation, drug delivery, perfusion, and atherectomy.

Balloon catheters are used in a variety of minimally invasive diagnostic and therapeutic procedures, such as dilating vessels, opening blockages, and delivering stents. When designing a balloon catheter, many factors must be considered, including the application, type of balloon, type of catheter, and device performance requirements.

High-pressure (noncompliant) balloons are typically made of polyester or nylon. They are used in situations where the balloon must expand to a specific diameter and exert high pressure in order to open a blockage or dilate the vasculature.

Pebax or higher-durometer polyurethanes are commonly used to make semicompliant (midpressure) balloons. They're used in situations where you need mid-high pressures but want more compliance than a noncompliant balloon and more delivery flexibility.

Polyurethane or silicone are common materials for compliant (elastomeric) balloon catheters. Rather than pressure, they are inflated by volume. They can stretch from 100% to 800% and are frequently used in applications where the balloon must fully conform to or occlude the anatomy.

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