Global Post-Market Registry Using Waterjet Ablation Therapy for Endoscopic Resection of Prostate Tissue

Inclusion Criteria: * Male. * Subject has diagnosis of lower urinary tract symptoms due to benign prostatic enlargement causing bladder outlet obstruction or in urinary retention. * Prostate size ≥ 20 mL and ≤ 150 mL as measure by TRUS. * Patient is mentally capable and willing to sign a study-specific informed consent form. Exclusion Criteria: * Patients unable to stop anticoagulants, antiplatelet agents, or non-steroidal anti-inflammatory agents (NSAIDs, including aspirin greater or equal to 100mg) prior to treatment per standard of care. * History of gross haematuria. * Participants using systemic immune-suppressants including corticosteroids (except inhalants), known coagulopathy, or platelet disorder (except aspirin below 100mg/d). * Contraindication to both general and spinal anesthesia. * Any severe illness that would prevent complete study participation or confound study results. * Subject is unwilling to accept a transfusion should one be required.