title: [Ultrasonic scissors. New vs resterilized instruments].
abstract: BACKGROUND
  The aim of this study was to compare reliability in handling and function of resterilized and single-use disposable ultrasonic scissors.
  
  
  METHODS
  In a prospective randomized study, the surgeon blindly tested new and resterilized ultrasonographic scissors. The parameters were force of activation, cutting effect, coagulation effect, error messages, and disturbing generator noise.
  
  
  RESULTS
  Fifty-one new and 49 resterilized instruments in 94 operations were evaluated. The differences in force of activation, cutting effect, and coagulation were not significant. Error messages and disturbing noises were rare in both groups. Six new instruments and two resterilized instruments had to be exchanged because of problems during surgery.
  
  
  CONCLUSIONS
  This study demonstrates comparable reliability in function and handling of resterilized and new ultrasonic scissors. The use of resterilized instruments leads to distinctly reduced costs and could contribute to efficiency in laparoscopic surgery.
authors.affiliation: Krankenhaus Bad Cannstatt, Klinik für Allgemein- und Viszeralchirurgie, Klinikum Stuttgart , Priessnitzweg 24, 70374 Stuttgart.
authors.forename: D
authors.initials: D
authors.lastname: Gärtner
authors.forename: K
authors.initials: K
authors.lastname: Münz
authors.forename: E
authors.initials: E
authors.lastname: Hückelheim
authors.forename: U
authors.initials: U
authors.lastname: Hesse
mesh_terms: D017046:Cost Savings; D019544:Equipment Failure Analysis; D017743:Equipment Reuse / Q000191:economics; D005858:Germany; D006801:Humans; D010535:Laparoscopy / Q000191:economics; D011446:Prospective Studies; D011786:Quality Control; D013242:Sterilization / Q000191:economics; D013525:Surgical Instruments / Q000191:economics; D014464:Ultrasonic Therapy / Q000191:economics / Q000295:instrumentation*