Anna University Chennai B.E Biomedical Engineering B.E/B.Tech DEGREE EXAMINATION - Bio Materials and artificial organs (BM 1303). 2009 Question paper

B.E/B.Tech DEGREE EXAMINATION, NOVEMBER/DECEMBER 2009

FIFTH SEMESTER
BIO-MEDICAL ENGINEERING

BM 1303 - BIOMATERIALS AND ARTIFICIAL ORGANS
(Regulation 2004)

Time: Three hours Maximum: 100 marks

Answer all questions.
PART-A(10*2=20 marks)

1. How do you classify biomaterials?
2. Define visco elasticity.
3. What are the applications of aluminium oxide?
4. What are glass ceramics?
5. Define polymerisation.
6. Write the applications of polyolefin.
7. Compare hard and soft tissue replacement implants.
8. List the fracture fixation devices.
9. What are the applications of dental amalgams?
10.How is limb prosthesis externally powered?

PART B-(5*16=80 marks)

11. (a) Explain the term biofunctionality. What are the testing methods for the same?

Or

(b) What are the possible host responses? Explain them in detail.

12. (a) What are the metals and their alloys used for orthopaedic implants
Compare their merits of one over the other.

Or

(b) Explain the types of ceramic implants materials and their medical applications.

13. (a) Give a detailed account on process of high strength thermoplastics and their medical applications.

Or

(b) Explain how polymers and rubber play an important role in medical field.

14. (a) Give an account on skin implant drug delivery system and burn dressings.

Or

(b) Write about the suture materials, tissue adhesives and surgical tapes in soft tissue replacements.

15. (a) Give an account on artificial heart.

Or

(b) Write an account on Limb prosthesis and justify the currently popular material used for limb prosthesis.