A Better Angioplasty Balloon Conflict of Interest A Better Angioplasty Balloon • Patents licensed to West Coast Catheter Timothy A.M Chuter, DM A Better Angioplasty Balloon A Better Angioplasty Balloon The Problem The Solution • Angioplasty causes arterial trauma • Minimize the trauma • The response to trauma narrows the artery • Minimize the response 1
A Better Angioplasty Balloon A Better Angioplasty Balloon High-Pressure Balloons Do Not Expand: Arterial Trauma They Unfurl • Rapid expansion • Shear-induced dissection • High pressure inflation • Insecure stent attachment • Rotational shear • Forced straightening A Better Angioplasty Balloon A Better Angioplasty Balloon Wall Tension Torsional Shear XC-area of a 9 mm balloon is 0.64 cm2 10 Atm pressure generates 64 N traction 2
A Better Angioplasty Balloon A Better Angioplasty Balloon Focal Expansion Longitudinal Shear A Better Angioplasty Balloon A Better Angioplasty Balloon Focused Force Angioplasty External Wire • Localized pressure • Buddy wire – Reduced stenosis resolution pressure (SRP) • FX miniRAIL – Reduced rate of stress increase • Localized injury 3
A Better Angioplasty Balloon A Better Angioplasty Balloon Multiple Wires Angiosculpt Failure Mode • Angiosculpt balloon A Better Angioplasty Balloon A Better Angioplasty Balloon Cutting Balloon Cutting Balloon Failure Modes 4
A Better Angioplasty Balloon A Better Angioplasty Balloon Chocolate Chocolate A Better Angioplasty Balloon A Better Angioplasty Balloon Fantasy 5
A Better Angioplasty Balloon A Better Angioplasty Balloon External Braid A Better Angioplasty Balloon A Better Angioplasty Balloon Pig Subclavian Artery Regular Balloon 6
A Better Angioplasty Balloon A Better Angioplasty Balloon Pig Subclavian Artery Pig Subclavian Artery Regular Balloon Flex Balloon Regular Balloon Flex Balloon Flex Stent A Better Angioplasty Balloon A Better Angioplasty Balloon Balloon-Expanded Stent Curved Stent 7
A Better Angioplasty Balloon A Better Angioplasty Balloon Open and Closed Cell Crossing Profiles Stent Designs Without Stent With Stent 6 mm 3 mm A Better Angioplasty Balloon A Better Angioplasty Balloon Sheath Size Comparison Renal Angioplasty Advance West Coast Chocolate Cook Medical Catheter TriReme Medical 3 mm 3-4 4 5 6 mm: 4-5 5 6 8
A Better Angioplasty Balloon A Better Angioplasty Balloon Coronary Angioplasty Intracranial Angioplasty A Better Angioplasty Balloon A Better Angioplasty Balloon Dialysis Access Inflow Dialysis Access Outflow 9
A Better Angioplasty Balloon A Better Angioplasty Balloon Porto-systemic Shunt Balloon Sinuplasty A Better Angioplasty Balloon A Better Angioplasty Balloon Balloon Sinuplasty Kyphoplasty 10
A Better Angioplasty Balloon A Better Angioplasty Balloon Kyphoplasty Bright Ideas Anyone? • New applications for new technology • chutert@gmail.com 11
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