Ultrasound developer SonoSite of Bothell, Wash., closed its offering of $200 million aggregate principal amount of Convertible Senior Notes due in 2014. The notes will pay interest semiannually at a rate of 3.75 percent per annum, SonoSite said.

The company stated that it intends to use the net proceeds from this offering to fund acquisitions of one or more complementary businesses or product lines as well as for general corporate purposes.

SonoSite estimates that the net proceeds from the offering, assuming no exercise of the underwriters’ over-allotment option will be approximately $193.5 million, after deducting discounts, commissions and estimated expenses.