BOTHELL, Wash.--(BUSINESS WIRE)--SonoSite, Inc., (Nasdaq:SONO) the world leader in hand-carried ultrasound, today announced its intention to offer, subject to market and other conditions, $150 million aggregate principal amount of Convertible Senior Notes due 2014 in an offering registered under the Securities Act of 1933 as amended (the “Securities Act”). In certain circumstances, the notes will be convertible into cash up to the principal amount. Any conversion value above the principal amount will be settled in shares of SonoSite’s common stock. The interest rate, conversion rate and other terms of the notes will be determined by negotiations between SonoSite and the underwriters of the notes. SonoSite expects to grant to the underwriters a 30-day option to purchase up to $22.5 million aggregate principal amount of additional notes to cover overallotments.