Table 7 Comparison of the cochlear implantation used in human and laboratory animal studies

Human

FLEX²⁰, FLEX²⁴, FLEX²⁸, and Standard electrode arrays, Med-El

20–31

341–673

NA

NA

Franke-Trieger et al. [160]

Human

FLEX²⁸ array, Med-El

NA

525

11

0.8

Kuthubutheen et al. [106]

Human

FLEX³¹ array, Med-El

NA

489

11

0.5–1.3^a

Kuthubutheen et al. [106]

Human

Contour Advance, Cochlear Limited

17

NA

NA

0.5–0.8^a

Nguyen et al. [161]

Human

Hybrid-L, Nucleus®

16

NA

NA

0.25–0.55^a

Nguyen et al. [161]

Human

Flex EAS, Med-EI

18

NA

NA

0.35–0.8^a

Nguyen et al. [161]

Sheep

Cochlear slim straight 522 full implant, Nucleus®

7

540

NA

0.6

Kaufmann et al. [157]

Flex24 demonstration electrode array, Med-El

EVO demonstration electrode array, Oticon medical

Sheep

FlexEAS and Standard electrode array, Med-El

18

NA

16

0.8

Schnabl et al. [105]

Monkey (Macaca Mulatta)

Medium electrode array, Med-El

9–27

190–720

6–12

0.5–0.8^a

Marx et al. [162]

Monkey (Common marmoset)

H12, Cochlear Limited

8

270

10

0.4 × 0.25^b

Johnson et al. [102]

Cat

CI24 cochlear implant, Nucleus®

8

180

8

0.7

Fallon et al. [163]

Cat

Hybrid-L24 electrode array, Cochlear Limited

11

335

16

0.25–0.5^a

Shepherd et al. [164]

Cat

CI24 cochlear implant, Nucleus®

6

176

8

0.37–0.5^a

Shepherd et al. [164]

Guinea pig

NA

4

NA

2

0.3–0.5^a

Honeder et al. [153]

Guinea pig

Custom-made research CI electrodes, Med-El

5

270

6

0.5

Andrade et al. [165]

Guinea pig

Custom-made research CI electrodes, Med-El

4

270

5

0.5

Andrade et al. [165]

Mice (C57BL/6)

NA

2

NA

4

0.21–0.27^a

Navntoft et al. [154]

Mice (C57BL/6)

Cochlear HL03, Cochlear Limited

2

NA

3

0.15

Claussen et al. [166]

Mice (C57BL/6)

NA

2

NA

3

0.2–0.8

Irving et al. [125]

Aachen minipigs

Flex ²⁰, Med-El

20

NA

19

0.3 × 0.5 ^b–0.8^a

Yildiz et al. [156]