Pehub -- Warburg Pincus-backed Tornier B.V. expects to raise up to $183.8 million when it goes public on Nasdaq, which is lower than the $205 million initial public offering previously planned, Reuters reported. Tornier is a Netherlands-based medical device company. It expects its IPO of 8.8 million shares will be priced at the range of $19 to $21 each.