Deltex Medical Group plc is a holding company. The Company is engaged in the research, development, manufacture and sale of oesophageal Doppler haemodynamic monitoring systems (ODM). It has four segments: the UK segment, the USA segment, the Spanish segment and the International segment. Its CardioQ-ODM enables doctors to fine-tune a patient�s cardiac performance during surgery using a technique known as Doppler-guided fluid management. ODM is the technology to measure blood flows in the central circulation; it is sensitive to changes in flow. Its subsidiaries include Deltex Medical Limited, which manufactures and markets medical devices; Deltex Medical (Chichester) Limited, which provides employee services; Deltex Medical SC, Inc., which markets and sells medical devices in the United States, which are manufactured by the Company in the United Kingdom and Deltex Medical, Espana, which markets and sells medical devices in Spain, which are manufactured by it in the United Kingdom.