title: [Orbitotomy by means of ultrasound-instruments (author's transl)].
abstract: A surgical ultrasound-instrument was tested experimentally as well as clinically in the operative treatment of 48 patients with various orbital tumours. The transducer was shaped either as a scalpel or as a saw. The device worked on a frequency of 44,000 cps, the transducer-amplitude was 15 to 30 microns. This tool facilitates cutting of bony tissue and the incision of soft parts, it stops also bleeding of smaller and middle-sized vessels.
mesh_terms: D005134:Eye Neoplasms / Q000601:surgery; D006801:Humans; D007765:Lacrimal Apparatus / Q000601:surgery; D008722:Methods; D009362:Neoplasm Metastasis; D009918:Orbital Neoplasms / Q000601:surgery*; D013525:Surgical Instruments; D014465:Ultrasonics / Q000295:instrumentation
vernacular_title: Die Orbitotomie mit Ultraschallinstrumenten