Oct 9 (Reuters) - CeriBell said on Wednesday it was

targeting a valuation of as much as $578.3 million in its

upsized initial public offering in the United States, indicating

strong investor demand for the medical device maker.

The company is now aiming to raise as much as $180.3 million

by offering about 10.6 million shares at $16 to $17 each.

CeriBell had earlier planned on offering 6.7 million shares

priced between $14 and $16 each.

Certain existing shareholders have indicated an interest in

purchasing up to about $40 million worth of CeriBell shares sold

in the offering at the IPO price.