Proposal of a new method for narrowing and moving the stimulated region of cochlear implants: Animal experiment and numerical analysis

IEEE Transactions on Biomedical Engineering

Volumn 46, Issue 4, 1999, Pages 451-460

  Miyoshi, Shigeki ^a,d   Shimizu, Shunji ^a,c,d   Matsushima, Jun Ichi ^b,c,d   Ifukube, Tohru ^a,b,c,d  

^a TSUKUBA UNIVERSITY OF TECHNOLOGY   (Japan)

^b TOYAMA INDUSTRIAL TECHNOLOGY CENTER   (Japan)

^c HOKKAIDO UNIVERSITY   (Japan)

^d HOKKAIDO UNIVERSITY   (Japan)

Author keywords

Cochlear implant; Electrical stimulation; Tripolar electrode stimulation method (TESM)

Indexed keywords

ELECTRODES; FUNCTIONAL NEURAL STIMULATION; IMPLANTS (SURGICAL); NUMERICAL ANALYSIS;

COCHLEAR IMPLANTS; COMPOUND ACTION POTENTIALS; TRIPOLAR ELECTRODE STIMULATION METHOD;

FUNCTIONAL ELECTRIC STIMULATION;

ANIMAL EXPERIMENT; ARTICLE; BIOMEDICAL ENGINEERING; CHANNEL GATING; COCHLEA PROSTHESIS; COCHLEAR NERVE; ELECTRIC CONDUCTIVITY; ELECTRICITY; ELECTRODE; ELECTROSTIMULATION; ENDOLYMPH; EXCITATION; MATHEMATICAL ANALYSIS; NERVE FIBER MEMBRANE POTENTIAL; NONHUMAN; PERILYMPH;

ACTION POTENTIALS; ANIMALS; COCHLEAR IMPLANTS; ELECTRIC STIMULATION THERAPY; ELECTRODES; GUINEA PIGS; MEMBRANE POTENTIALS; MODELS, NEUROLOGICAL; PROSTHESIS DESIGN; VESTIBULOCOCHLEAR NERVE;

EID: 0032953209     PISSN: 00189294     EISSN: None     Source Type: Journal    
DOI: 10.1109/10.752942     Document Type: Article

References (20)

1. E. Feigenbaum, Cochlear implant devices for the profoundly hearing impaired, IEEE Eng. Med. Biol, Mag., vol. 6, pp. 10-21, 1987.
2. T. Ifukube and R. L. White, Current distributions produced inside and outside the cochlea from a scala tympani electrode array, IEEE Trans. Biomed. Eng., vol. BME-29, pp. 883-890, 1987.
3. C. van den Honert and P. H. Stypulkowski, Single fiber mapping of spatial excitation patterns in the electrically stimulated auditory nerve, Hear. Res., vol. 29, pp. 195-206, 1987.
4. S. Miyoshi, T. Ifukube, T. Izumi, and J. Matsushima, Proposal of a nerve interface with sharpening function of stimulation current spread, Tech. Rep. IEICE, vol. MBE93-36, pp. 51-58, 1993.
5. S. Miyoshi, T. Ifukube, and J. Matsushima, Evaluation of nerve stimulation method for auditory prosthesis, in Proc. 20th Sensory Substitution Symp., 1994, pp. 43-16.
6. S. Miyoshi, T. Ifukube, M. Kumagai, and J. Matsushima, Evaluation of electrode array for cochlea implants which can suppress the stimulation current spread, in P roc. 33th Conf. Japan Society of Medical Electronics and Biological Engineering, 1994, suppl. 33, p. 194.
7. S. Miyoshi, Y. lida, S. Shimizu, J. Matsusima, and T. Ifukube, Proposal of new auditory nerve stimulation method for cochlear prosthesis, Official J. Int. Soc. Artificial Organs, to be published.
8. F. Ratty, Analysis of models for extracellular fiber stimulation, IEEE Trans. Biomed. Eng., vol. 37, pp. 676-682, 1989.
9. J. T. Rubinstein, Axon termination conditions for electrical stimulation, IEEE Trans. Biomed. Eng., vol. 40, pp. 654-663, 1993.
10. A. L. Hodgkin and A. F. Huxley, A quantitative description of membrane current and its application to conduction and excitation in nerve, J. Physiol., vol. 117, pp. 500-540, 1952.
11. E. N. Warman, W. M. Grill, and D. Durand, Modeling the effects of electric fields on nerve fibers: Determination of excitation thresholds, IEEE Trans. Biomed. Eng., vol. 39, pp. 1244-1254, 1992.
12. P. H. Stypulkowski and C. van den Honert, Physiological properties of the electrically stimulated cochlear nerve. I. Compound action potential recordings, Hear. Res., vol. 14, pp. 205-223, 1984.
13. D. R. McNeal, Analysis of a model for excitation of myelinated nerve, IEEE Trans. Biomed. Eng., vol. BME-23, pp. 329-337, 1976.
14. J. Colombo and C. W. Parkins, A model of electrical excitation of the mammalian auditory-nerve neuron, Hear. Res., vol. 31, pp. 287-312, 1987.
15. J. M. Harrison and M. E. Howe, Anatomy of the afferent auditory nervous system of mammals, in Handbook of Sensory Physiology, vols. 5/1, W. D. Keidel and W. D. Neff, Eds. Berlin, Germany: SpringerVerlag, 1974, pp. 283-336.
16. S. Hatsushima, R. K. Shepherd, Y. C. Tong, G. M. Clark, and S. Funasaka, Demension of the scala tympani in the human and cat with reference to cochlear implants, Ann. Otolaryngol. Rhinol. Laryngol., vol. 99, no. 11, pp. 871-876, 1990.
17. S. Matsuura, Standard Textbook of Physiology, 2nd ed. Tokyo, Japan: Igaku-Shoin, 1989, pp. 198-210.
18. C. Fernandez, Dimension of the cochlea (guinea pig), J. Acoust. Soc. Amer., vol. 24, pp. 519-523, 1952.
19. G. E. Loeb, J. McHardly, E. M. Kelliher, and S. B. Brummer, Neural prostheses in Biocompatibility in Clinical Practice, vol. II. Boca Raton, FL: CRC, 1982, pp. 124-149.
20. J. O. Pickles, An Introduction to the Physiology of Hearing 2/E, (in Japanese). New York: Academic, 1995, pp. 80-81.