ARUP; ISBN: 978-0-9562121-5-3 - CMBBE 2012 - Cardiff University

separate study to be described in a future publication. This value may underestimate the
error for measurements where the angle between the stent unit and the camera results in
reflection which compromises the ability to judge strut location.
Fig. 3: Illustrative image of sent deployment with the inner balloon
pressure of 4 atm, dog-boning effect on distal end proximal end.
Dog-boning
0.5
0.4
0.3
0.2
0.1
Fig. 4: Images of 4 mm Taxus
Express stent during balloon
inflation at three values of balloon
pressure.
3 mm diameter stent 4 mm diameter stent
0
-0.1
0 1 2 3 4 5 6 7 8 9
Inner balloon pressure [atm]
Fig. 5a: Dog-boning ratio for proximal and distal
ends.
angle [β]
100
90
80
70
60
50
40
30
20
10
0
1st unit_proximal
2nd unit_proximal
unit distal
distal
proximal
0 1 2 3 4 5 6 7 8 9
Inner balloon pressure [atm]
Fig. 6a: Variation in strut unit angle with balloon
pressure for two units at the proximal end and
one at the distal end.
angle [β]
Dog-boning
100
0.6
0.5
0.4
0.3
0.2
0.1
0
-0.1
0 1 2 3 4 5 6 7 8 9
Inner balloon pressure [atm]
distal
proximal
Fig. 5b: Dog-boning ratio for proximal and distal
ends.
90
80
70
60
50
40
30
20
10
0
1st unit_proximal
2nd unit_proximal
unit distal
0 0.5 1 1.5 2.5 3.5 3.75 4.5 5 6 7 9
Inner balloon pressure [atm]
Fig. 6b: Variation in strut unit angle with balloon
pressure for two units at the proximal end and
one at the distal end.