Medical Design Briefs - November 2021 - 14

Biomedical
Balloons:
Understanding Their Physical and
Mechanical Properties
B
14
Cov
alloon catheters are usually
made of inflated extruded
tubes where the tubes are
stretched in axial and radial
directions in a balloon forming
machine. The main properties of balloons
are surface smoothness, puncture
resistance, and burst strength. These
properties are controlled by polymer
selection and processing.1
It is important to characterize and study
the effects of nylon 12 and Pebax within
physical and mechanical balloon properties,
especially considering the extent of
application of these materials in the biomedical
field. This article explores the differences
between the crystalline structure
of these two materials, as well as the materials'
physical and mechanical performance
when used for balloon catheters.2
Background
Balloon diameters range from 2 to 10
mm and their length ranges from 2 to 10
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ToC
cm. Diameter varies depending on the
material and application. Nylon 12 and
Pebax are widely used in balloon applications
because of their mechanical properties
and biocompatibility.3,4 The properties
of formed balloons are dependent
on the type of material, extrusion pro -
cess, and balloon forming program.
Extruding the material into polymer
tubes is the first step for manufacturing
the balloon. The rheology, molecular
structure, and extrusion processing
Medical Design Briefs, November 2021

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Medical Design Briefs - November 2021

Table of Contents for the Digital Edition of Medical Design Briefs - November 2021

Medical Design Briefs - November 2021 - Intro
Medical Design Briefs - November 2021 - Cov4
Medical Design Briefs - November 2021 - Cov1a
Medical Design Briefs - November 2021 - Cov1b
Medical Design Briefs - November 2021 - Cov1
Medical Design Briefs - November 2021 - Cov2
Medical Design Briefs - November 2021 - 1
Medical Design Briefs - November 2021 - 2
Medical Design Briefs - November 2021 - 3
Medical Design Briefs - November 2021 - 4
Medical Design Briefs - November 2021 - 5
Medical Design Briefs - November 2021 - 6
Medical Design Briefs - November 2021 - 7
Medical Design Briefs - November 2021 - 8
Medical Design Briefs - November 2021 - 9
Medical Design Briefs - November 2021 - 10
Medical Design Briefs - November 2021 - 11
Medical Design Briefs - November 2021 - 12
Medical Design Briefs - November 2021 - 13
Medical Design Briefs - November 2021 - 14
Medical Design Briefs - November 2021 - 15
Medical Design Briefs - November 2021 - 16
Medical Design Briefs - November 2021 - 17
Medical Design Briefs - November 2021 - 18
Medical Design Briefs - November 2021 - 19
Medical Design Briefs - November 2021 - 20
Medical Design Briefs - November 2021 - 21
Medical Design Briefs - November 2021 - 22
Medical Design Briefs - November 2021 - 23
Medical Design Briefs - November 2021 - 24
Medical Design Briefs - November 2021 - 25
Medical Design Briefs - November 2021 - 26
Medical Design Briefs - November 2021 - 27
Medical Design Briefs - November 2021 - 28
Medical Design Briefs - November 2021 - 29
Medical Design Briefs - November 2021 - 30
Medical Design Briefs - November 2021 - 31
Medical Design Briefs - November 2021 - 32
Medical Design Briefs - November 2021 - 33
Medical Design Briefs - November 2021 - 34
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Medical Design Briefs - November 2021 - 36
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Medical Design Briefs - November 2021 - 38
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Medical Design Briefs - November 2021 - 40
Medical Design Briefs - November 2021 - 41
Medical Design Briefs - November 2021 - 42
Medical Design Briefs - November 2021 - Cov3
Medical Design Briefs - November 2021 - Cov4
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