Quiz — Modeling of Stents

1.  Which of the following can be used to create 3D stent?

2. Which of the following process is the most preceding one (among the ones indicated below) in the stent manufacture to deployment cycle:

3. What is the length of the pattern used for wrapping?

4. Nitinol is an alloy of:

5. Nitinol exhibits which of the following behavior:

6. Which of the following phase of material looks relevant to low and high temperature respectively?

7. In the Lecture Workshop the diameter of the Stent changes from:

8. What is the value of equivalent plastic strain (in mm/mm) seen during the expansion?

9. In the shape setting process before crimping the temperature to which the Nitinol is heated is:

10. Crimping reduces the stent diameter to a diameter:

11. In the Homework Problem for Stent Expansion, Shape Setting and Crimping, what is the maximum equivalent stress seen by the Stent:

12. In the Homework Problem for Stent Expansion, Shape Setting and Crimping, where is the maximum equivalent plastic strain is seen?

13. In the Homework Problem for Stent Expansion, Shape Setting and Crimping, how to change the material of the stent from Stent Elastic Plastic to SMA?

14. For Stent Expansion, Shape Setting and Crimping homework, what is the maximum equivalent stress corresponding to a crimping radial deformation of 3mm?

15. In the Homework Problem for Preliminary design assessment, when the stent expands from the crimped state to the vessel radius, how does the length of the stent change:

16. In the Homework Problem for Preliminary design assessment, is there a hysteresis in the reaction force vs. Crimp displacement curve during the repeating crimping and expansion process? Why?

17. In the Homework Problem for Preliminary design assessment using arc-shaped crimpers, what is the maximum equivalent stress in the stent?

18. In the Homework Problem for Preliminary design assessment using arc-shaped crimpers, which statement is true?

19. In the Homework Problem for Preliminary design assessment using arc-shaped crimpers, what is the maximum radial reaction force level for each arc?