Boston Scientific

Atritech was a Plymouth, Minnesota medical device company that developed the WATCHMAN device, an implant to close the left atrial appendage in atrial fibrillation patients to reduce stroke risk.

Developed WATCHMAN, an implantable device to prevent stroke in atrial fibrillation patients; acquired by Boston Scientific.

Cameron Health developed the S-ICD System, a subcutaneous implantable cardioverter-defibrillator that avoided transvenous leads into the heart.

Pioneered endocardial mapping and ablation technologies for cardiac arrhythmias; acquired by Boston Scientific.

Farapulse developed a catheter-based pulsed field ablation (PFA) system that uses non-thermal electrical pulses to treat atrial fibrillation and other cardiac arrhythmias.

Preventice Solutions developed wearable, cloud-connected cardiac monitoring devices and remote-monitoring software, including its BodyGuardian line, to help physicians diagnose and manage heart arrhythmias.

Developed a percutaneous device to re-open chronically occluded vessels; acquired by Boston Scientific.

Securus Medical Group developed a catheter-based thermal monitoring system that measured esophageal temperature in real time during cardiac ablation procedures to prevent thermal tissue damage.