Comparison of BiCision® Versus UltraCision® During Laparoscopic Supracervical Hysterectomy (LASH)

Inclusion Criteria: * age \> 18 * gender: female * indication for laparoscopic supracervical hysterectomy with no adnexectomyor other surgery * will and the capability to comply the study requirements * signed informed consent Exclusion Criteria: * Invasive malignome in the pelvis * Cardiac pacemaker or implanted defibrilator if no informations are available about the compatibil-ity with RF energy * Abnormal blood parameters (values less than factor 0.8 or more than 1.25 compared to the val-ues of creatinine and standard hemogram) * Abnormal coagulation parameters: PTT \> 40 sec. and / or Quick's-Value\< 50% (the use of antiplateletsup to a max. of 100mg/d is no exclusion criteria) * Inability to understand the purpose of the study * status after a laparotomy by a longitudinal incision * intraabdominal adhesions (at the beginning of the surgery ≥ 5 sectioning for adhesiolysis) * open laparoscopy required * different anatomical situations that yields to different surgery requirements * conspicuous PAP, cervixmyoma or endometriosis of the rectovaginale space