Popis: |
For increasing safety in guidance techniques of endoscopes and instruments, fast radiologic imaging should be integrated. Magnetic resonance imaging (MRI), computer tomography (CT) and electron beam tomography (EBT) scanners permit transparency of the operative field; CT and EBT can be combined with fluoroscopy and ultrasound units. MRI avoids x ray exposure, but entails the possibility for 3 D localization. Open access and keyhole imaging allows nearly real time guidance of instruments. Combining minimally invasive techniques using endoscopes and tomographic guidance these technologies improve surgical access and reduce complications. This offers a safe access into the body and leads to the new field of interventional and surgical tomography. Important cost reduction for health care systems is possible, especially in the outpatient treatment of common diseases like disk herniation, back and tumor pain, metastasis, or arteriosclerosis. For realizing a long term cost reduction effect, these techniques have to be integrated in a quality management combining prevention, modern diagnosis, minimal access techniques and, if necessary, hospital stay with maximal access treatments as well as rehabilitation and secondary/tertiary prevention. |