Cleared Traditional

K981449 - SD-956 ULTRASOUND THERAPY

K981449 is an FDA 510(k) clearance for SD-956 ULTRASOUND THERAPY, manufactured by Skylark Device Co., Ltd.. The device is a Class 2 Physical Medicine device with product code IMI cleared through the Traditional 510(k) pathway after a 233-day FDA review.

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Dec 1998
Decision
233d
Days
Class 2
Risk

K981449 is an FDA 510(k) clearance for the SD-956 ULTRASOUND THERAPY. Classified as Ultrasonic Diathermy For Use In Applying Therapeutic Deep Heat (product code IMI), Class II - Special Controls.

Submitted by Skylark Device Co., Ltd. (Taipei, TW). The FDA issued a Cleared decision on December 11, 1998 after a review of 233 days - an extended review cycle.

This device falls under the Physical Medicine FDA review panel, regulated under 21 CFR 890.5300 - the FDA physical medicine 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 Physical Medicine review framework, consistent with the majority of Class II 510(k) submissions.

View all Skylark Device Co., Ltd. devices

FDA 510(k) Submission Details - K981449

510(k) Number K981449 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received April 22, 1998
Decision Date December 11, 1998
Days to Decision 233 days
Submission Type Traditional
Review Panel Physical Medicine (PM)
Summary Statement
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
117d slower than avg
Panel avg: 116d · This submission: 233d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

IMI Device Classification - Class 2, Special Controls

Product Code IMI Ultrasonic Diathermy For Use In Applying Therapeutic Deep Heat
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 890.5300
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 Physical Medicine devices follow this clearance model.

Regulatory Peers - IMI Ultrasonic Diathermy For Use In Applying Therapeutic Deep Heat

All 75
Devices cleared under the same product code (IMI) and FDA review panel - the closest regulatory comparables to K981449.
ACCUSONIC PLUS, MODEL AP-100
K001370 · Metron Medical Australia, Pty, Ltd. · Jul 2000
NATURE'S CHEMIST PAIN RELIEF OINTMENT AND THERAPEUTIC ULTRASOUND COUPLING AGENT
K000604 · Naturopathic Laboratories International, Inc. · May 2000
EXONIX
K984199 · Fibra Sonics, Inc. · Feb 1999
RICH-MAR US500, US750, US1000 THERAPEUTIC UNLTRASOUND DEVICES
K982544 · Rich-Mar Corp. · Nov 1998
FORTE, MODEL CPS ULTRASOUND
K982829 · Chattanooga Group, Inc. · Nov 1998
INTELECT LEGEND ULTRASOUND
K973024 · Chattanooga Group, Inc. · Nov 1997