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