# K050885: Olympus Ultrasonic Surgical System Sonosurg - Pathway: 510(k) (Traditional) - Applicant: Olympus Medical Systems Corporation - Decided: Jun 3, 2005 after 57 days - Product code: LFL (Instrument, Ultrasonic Surgical) - Device class: U - Recalls of this device: none - Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026 ## Lineage Longest line of descent: 4 generations back to K801623 (1980). 25 ancestors in all. 15 later devices descend from it; 2 cite it directly. 0 of 41 devices in its family (counting itself) have a Class I recall. ## Predicates on the family tree (from the FDA summary) - K021962: Olympus Ultrasonic Surgical System, The Olympus Optical Co. (2003) Summary page 2. - K031523: Olympus Ultrasonic Surgical System, Aomori Olympus Co., Ltd. (2003) Summary page 2. - K031710: Olympus Ultrasonic Surgical System, Aomori Olympus Co., Ltd. (2003) Summary page 2. - K972114: Olympus Sonosurg System, The Olympus Optical Co. (1998) Summary page 2. ## Most influential descendants - K111202: Surgical Tissue Management System (2012), 11 descendants of its own - K132703: Thunderbeat (2014), 9 descendants of its own - K151743: THUNDERBEAT Open Fine Jaw (2016), 6 descendants of its own - K192103: Thunderbeat Open Fine Jaw Type X Hand Instrument (2020), 4 descendants of its own - K172610: THUNDERBEAT 5 mm, 20 cm, Front-actuated Grip Type S, THUNDERBEAT 5 mm, 35 cm, Front-actuated Grip Type S, THUNDERBEAT 5 mm, 45 cm, Front-actuated Grip Type S (2018), 4 descendants of its own ## Indications for use These instruments (ultrasonic surgical instruments, ultrasonic generator, and transducers) have been designed to be used together to cut and coagulate soft tissue in bariatric procedures which include: laparoscopic and general (open) surgery in intraabdominal, obstetric/gynecologic, thoracic and urologic procedures. The ultrasonic surgical instruments are also compatible for use with an electrosurgical unit Source page: https://510kreport.com/device/K050885 Methodology: https://510kreport.com/methodology