The group's principal activity is to manufacture circulatory support products for use by patients with congestive heart failure. The products of the group are used by physicians and hospitals for cardiac assist, vascular and diagnostic applications. It operates in two business segments: cardiovascular and other medical equipment. The cardiovascular segment develops, manufactures and markets proprietary medical devices used for circulatory support and vascular graft applications. The other medical equipment segment develops, manufactures and markets near-patient, whole-blood coagulation testing equipment and related disposables as well as premium quality, single-use skin incision devices. The group has operations in Europe and other countries.