Cleared Traditional

K254056 - THUNDERBEAT 5 mm, 45 cm, Front-actuated Grip Type S (TB-0545FCS)

Also marketed or referenced as:
THUNDERBEAT 5 mm, 35 cm, Front-actuated Grip Type S (TB-0535FCS) THUNDERBEAT 5 mm, 20 cm, Front-actuated Grip Type S (TB-0520FCS)

K254056 is an FDA 510(k) clearance for THUNDERBEAT 5 mm, manufactured by Olympus Medical Systems Corp.. The device is a Class 2 General & Plastic Surgery device with product code GEI cleared through the Traditional 510(k) pathway after a 196-day FDA review.

K254056 · Olympus Medical Systems Corp. · General & Plastic Surgery device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Jul 2026
Decision
196d
Days
Class 2
Risk

K254056 is an FDA 510(k) clearance for the THUNDERBEAT 5 mm, 45 cm, Front-actuated Grip Type S (TB-0545FCS). Classified as Electrosurgical, Cutting & Coagulation & Accessories within the GEI classification (a category for electrosurgical cutting and coagulation devices), Class II - Special Controls.

Submitted by Olympus Medical Systems Corp. (Hachioji-Shi, JP). The FDA issued a Cleared decision on July 1, 2026 after a review of 196 days - an extended review cycle.

This device falls under the General & Plastic Surgery FDA review panel, regulated under 21 CFR 878.4400 - the FDA general and plastic surgery device framework. The Traditional 510(k) pathway establishes clearance through substantial equivalence to a legally marketed predicate device, without requiring clinical trial data.

Device pattern: Standard predicate-based submission. Standard predicate reliance. This clearance follows a standard predicate-based equivalence path within the General & Plastic Surgery review framework, consistent with the majority of Class II 510(k) submissions.

View all Olympus Medical Systems Corp. devices

FDA 510(k) Submission Details - K254056

510(k) Number K254056 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received December 17, 2025
Decision Date July 01, 2026
Days to Decision 196 days
Submission Type Traditional
Review Panel General & Plastic Surgery (SU)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
81d slower than avg
Panel avg: 115d · This submission: 196d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

GEI Device Classification - Class 2, Special Controls

Product Code GEI Electrosurgical, Cutting & Coagulation & Accessories
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 878.4400
Definition Validated Reprocessing Instructions And Reprocessing Validation Data For This Device Type Must Be Included In A 510(k) Submission If The Device Is Reusable And Has Specific Design Features (please Refer To Table 2 Of 82 Fr 26807, Available At Https://www.gpo.gov/fdsys/pkg/fr-2017-06-09/pdf/2017-12007.pdf).
What this classification means

Class II devices require demonstration of substantial equivalence to a legally marketed predicate device. This pathway does not require clinical trials - it relies on engineering equivalence and performance data. Most General & Plastic Surgery devices follow this clearance model.

Regulatory Consultant

Olympus Corporation of the Americas
Susan Lewandowski

The regulatory consultant manages the 510(k) submission process on behalf of the applicant - coordinating technical documentation, predicate strategy and FDA communications. Identifying the consultant behind a submission is a key signal for competitive regulatory intelligence.

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