Cleared Traditional

K973797 - BREATHING CIRCUIT BACTERIAL FILTER

K973797 is an FDA 510(k) clearance for BREATHING CIRCUIT BACTERIAL FILTER, manufactured by King Systems Corp.. The device is a Class 2 General Hospital device with product code CAH cleared through the Traditional 510(k) pathway after a 157-day FDA review.

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Mar 1998
Decision
157d
Days
Class 2
Risk

K973797 is an FDA 510(k) clearance for the BREATHING CIRCUIT BACTERIAL FILTER. Classified as Filter, Bacterial, Breathing-circuit (product code CAH), Class II - Special Controls.

Submitted by King Systems Corp. (Noblesville, US). The FDA issued a Cleared decision on March 12, 1998 after a review of 157 days - an extended review cycle.

This device falls under the General Hospital FDA review panel, regulated under 21 CFR 868.5260 - the FDA general hospital 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 Hospital review framework, consistent with the majority of Class II 510(k) submissions.

View all King Systems Corp. devices

FDA 510(k) Submission Details - K973797

510(k) Number K973797 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received October 06, 1997
Decision Date March 12, 1998
Days to Decision 157 days
Submission Type Traditional
Review Panel General Hospital (HO)
Summary Statement
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
28d slower than avg
Panel avg: 129d · This submission: 157d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

CAH Device Classification - Class 2, Special Controls

Product Code CAH Filter, Bacterial, Breathing-circuit
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 868.5260
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 Hospital devices follow this clearance model.

Regulatory Peers - CAH Filter, Bacterial, Breathing-circuit

All 103
Devices cleared under the same product code (CAH) and FDA review panel - the closest regulatory comparables to K973797.
CLEAR-GUARD II, CLEAR-THERM HMEF, CLEAR-THERM HMEF W/ FLEXTUBE, CLEAR GUARD 11 W/ GAS MONITORING PORT
K990949 · Intersurgical, Inc. · Jun 1999
CLEAR-GUARD MIDI, CLEAR-GUARD MIDI W/FLEXTUBE, CLEAR-THERM MINI, CLEAR-THERM MINI W/FLEXTUBE, MODELS 1644,1644-T,1831,18
K983610 · Intersurgical, Inc. · Apr 1999
BREATHING CIRCUIT BACTERIAL FILTER/HEAT AND MOISTURE EXCHANGER (HME/F)
K983817 · King Systems Corp. · Mar 1999
72 HOUR USE TRACH CARE WITH MICROBAN
K974630 · Ballard Medical Products · Mar 1998
ANESTHESIA BREATHING CIRCUIT/ANESTHESIA BREATHING KIT
K962045 · Mallinckrodt Medical · Nov 1996
RESPIRGARD II, SPIROGARD
K961838 · Marquest Medical Products, Inc. · Oct 1996