Cleared Traditional

K936121 - THAIRAPY SYSTEM

K936121 is an FDA 510(k) clearance for THAIRAPY SYSTEM, manufactured by American Biosystems, Inc.. The device is a Class 2 Anesthesiology device with product code BYI cleared through the Traditional 510(k) pathway after a 222-day FDA review.

Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Aug 1994
Decision
222d
Days
Class 2
Risk

K936121 is an FDA 510(k) clearance for the THAIRAPY SYSTEM. Classified as Percussor, Powered-electric (product code BYI), Class II - Special Controls.

Submitted by American Biosystems, Inc. (St. Paul, US). The FDA issued a Cleared decision on August 2, 1994 after a review of 222 days - an extended review cycle.

This device falls under the Anesthesiology FDA review panel, regulated under 21 CFR 868.5665 - the FDA anesthesiology and respiratory 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 Anesthesiology review framework, consistent with the majority of Class II 510(k) submissions.

View all American Biosystems, Inc. devices

FDA 510(k) Submission Details - K936121

510(k) Number K936121 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received December 23, 1993
Decision Date August 02, 1994
Days to Decision 222 days
Submission Type Traditional
Review Panel Anesthesiology (AN)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
82d slower than avg
Panel avg: 140d · This submission: 222d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

BYI Device Classification - Class 2, Special Controls

Product Code BYI Percussor, Powered-electric
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 868.5665
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 Anesthesiology devices follow this clearance model.

Regulatory Peers - BYI Percussor, Powered-electric

All 22
Devices cleared under the same product code (BYI) and FDA review panel - the closest regulatory comparables to K936121.
Monarch Airway Clearance System
K173603 · Hill-Rom Holdings, Inc. · Oct 2018
FLUTTER D
K972859 · Bradstreet Clinical Research Assoc., Inc. · Jun 1998
THAIRAPY VEST SYSTEM
K965192 · American Biosystems, Inc. · Jun 1997
EMS PERCUSSOR
K913014 · Engineered Medical Systems · Oct 1991
FLEX-CUP PERCUSSOR
K892862 · Life Design Systems, Inc. · May 1989
MANUAL PERCUSSOR CUPS
K883899 · Medical Components, Inc. · Dec 1988