Medical device maker Boston Scientific Corp. said Thursday it received U.S. approval for a new type of stent to treat blocked arteries in the legs.

Boston Scientific Corp. rose after its Ingenio and Advantio pacemakers won US approval to treat abnormally slow heartbeats. The pacemakers are designed to help the heart adjust to demands from physical exercise and ease shortness of breath during walking, climbing stairs, or other activities. Boston Scientific said it also gained FDA clearance for its Invive pacemaker. The approval builds on ...

Boston Scientific Corp.’s Cognis and Teligen defibrillators, used to shock a stopped heart back into a normal rhythm, may have a flaw that can cause the device to heat up and has been linked to one death, said Rick Wise, an analyst with Leerink Swann Co.

Boston Scientific Corp.’s Cognis/Teligen defibrillator, used to shock a stopped heart back into a normal rhythm, may have a flaw that can cause the device to heat up and has been linked to one death, said Rick Wise, an analyst with Leerink Swann Co. An electrical transformer has shown a “pattern of malfunction,” Wise said in a note to clients, citing Boston Scientific’s Product Performance ...

Natick-based medical device maker Boston Scientific Corp. said Thursday its net income leaped in the first quarter against a year-earlier period, when the company’s performance was bogged down by impairment and restructuring costs. The company said its net income more than doubled to $113 million, or 8 cents per share, from $46 million, or 3 cents per share. The company’s profit grew despite a 3 ...