RecruitingPhase 1Device studyRegenn® Therapy System Safety StudyThe goal of this clinical trial is to evaluate the safety of the investigational device, Regenn® Negative Pressure Therapy System (Regenn® Therapy), a form of Negative Pressure Wound Therapy (NPWT), in the post-operative surgical wounds of patients undergoing lumbar spinal fusion surgeries. The main questions the study aims to answer are: * The device-related serious adverse event rate. * Patient post-operative pain as assessed using a validated pain measurement scoring system. * The number and type of adverse events. * The rate of delayed seroma formation. Participants will * Be screened for their suitability to participate in the investigational study using questions about their health, medical history, and current medications. * Undergo a physical exam, an assessment of patient vital signs and routine blood analyses. * Complete an Informed Consent Form if selected to participate in the investigational study. * Be randomly assigned to the different study arms. * Not change the operation of their respective device or to disturb components of their device. * Notify their surgeon or designated healthcare provider should they have any questions or encounter any issues with their device. * Attend two post-operative visits at approximately one month and three months.