Medical devicemaker Boston Scientific said Monday it completed its $2 billion public offering of senior notes.

The public offering consisted of:

_ $850 million in 4.5 percent notes due January 2015.

_ $850 million of 6 percent notes due January 2020

_ $300 million of 7.4 percent notes due January 2040.

The company, which makes pacemakers, stents and other implants, said it will use the proceeds for corporate purposes, including prepaying a bank term loan due in 2011.

Shares of Boston Scientific Corp. rose 27 cents, or 3.11 percent, to $8.94 in afternoon trading.