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Special Section Technical Briefs

Effect of Angioplasty Balloon Compliance on Stenotic Blood Vessel Stress1

[+] Author and Article Information
Choon-Sik Jhun

Department of Surgery,
College of Medicine,
Penn State University,
State College, PA 17033

Gerson Rosenberg

Department of Surgery,
College of Medicine,
Penn State University,
State College, PA 17033
Department of Biomedical Engineering,
College of Engineering,
Penn State University,
State College, PA 16802

Peter Waybill

Heart and Vascular Institute,
College of Medicine,
Penn State University,
State College, PA 17033

Accepted and presented at The Design of Medical Devices Conference (DMD2015), April 13–16, 2015, Minneapolis, MN, USA.

Manuscript received March 3, 2015; final manuscript received March 16, 2015; published online July 16, 2015. Editor: Arthur Erdman.

J. Med. Devices 9(3), 030944 (Sep 01, 2015) (2 pages) Paper No: MED-15-1100; doi: 10.1115/1.4030575 History: Received March 03, 2015; Revised March 16, 2015; Online July 16, 2015

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References

Figures

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Fig. 1

The pressure–diameter relationship of noncompliant and low-compliant balloons. Note the linearity over testing pressure range.

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Fig. 2

In vivo anatomies of stenotic RCF (a) and BCF (b). Computationally structured stenotic RCF (c) and BCF (d).

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Fig. 3

Structural mesh of the stenotic RCF (a) and BCF (b) with the angioplasty balloon located inside the stenosis

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Fig. 4

Mean wall stress of the RCF was observed around the stenotic area (see the dotted box). Mean wall stress induced by the (a) low- and (b) noncompliant balloons on the RCF and the (c) low- and (d) noncompliant balloons on the stenosis at 22 atm (unit: Pa).

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Fig. 5

Mean wall stress of the BCF was observed around the stenotic area (see the dotted box). Mean wall stress induced by the (a) low- and (b) noncompliant balloons on the BCF and the (c) low- and (d) noncompliant balloons on the stenosis at 22 atm.

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