Cleared Traditional

K844178 - MODEL TT25RF (FDA 510(k) Clearance)

Class II General & Plastic Surgery device cleared through predicate-based substantial equivalence - typically does not require clinical trials.

K844178 · Inframed, Inc. · General & Plastic Surgery device
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Oct 1985
Decision
357d
Days
Class 2
Risk

K844178 is an FDA 510(k) clearance for the MODEL TT25RF. Classified as Powered Laser Surgical Instrument within the GEX classification (a category for powered laser surgical instruments across multiple specialties), Class II - Special Controls.

Submitted by Inframed, Inc. (Brookline Village, US). The FDA issued a Cleared decision on October 18, 1985 after a review of 357 days - an unusually long review period, suggesting complex equivalence evaluation.

This device falls under the General & Plastic Surgery FDA review panel, regulated under 21 CFR 878.4810 - 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. Elevated predicate reliance profile. 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 Inframed, Inc. devices

Submission Details

510(k) Number K844178 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received October 26, 1984
Decision Date October 18, 1985
Days to Decision 357 days
Submission Type Traditional
Review Panel General & Plastic Surgery (SU)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
243d slower than avg
Panel avg: 114d · This submission: 357d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code GEX Powered Laser Surgical Instrument
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 878.4810
Definition A Laser (light Amplification By Stimulated Emission Of Radiation) Based Device Having Coherence, Collimated And Typically Monochromatic Radiation. Typically Indicated To To Cut, Destroy, Remove Or Coagulate Tissue, Generally Soft Tissue, For General Surgical Purpose In Medical Specialties Of General And Plastic Surgery, Dermatology/aesthetic, Podiatry, Otolaryngology (ent), Gynecology, Neurosurgery, Orthopedics (soft Tissue), Dental And Oral Surgery, And Dentistry. The Classification Regulation 21 Cfr 878.4810 Describes A Device That Is Carbon Dioxide Or Argon Laser Intended To Cut, Destroy, Remove Or Coagulate Tissue By The Light.
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.

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