The LPN Supervisor works directly with our physicians, techs and Medical Assistants, assisting with in-office urology procedures, including SpaceOAR hydrogel placement, and keeping each procedure day prepared, staffed and running on schedule. Procedure assistance Assist physicians with in-office urology procedures, including SpaceOAR hydrogel spacer placement, fiducial marker placement, prostate biopsy, cystoscopy, catheter changes and bladder instillations.