Cleared Traditional

HUMIDIFIER & ACCESSORIES (K953949) - FDA 510(k) Clearance

Class II Anesthesiology device cleared through predicate-based substantial equivalence - typically does not require clinical trials.

K953949 · Fisher & Paykel Electronics , Ltd. · Anesthesiology device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Oct 1995
Decision
55d
Days
Class 2
Risk

K953949 is an FDA 510(k) clearance for the HUMIDIFIER & ACCESSORIES. Classified as Generator, Oxygen, Portable within the CAW classification (a category for home-use oxygen therapy and respiratory devices), Class II - Special Controls.

Submitted by Fisher & Paykel Electronics , Ltd. (Auckland, New Zealand, NZ). The FDA issued a Cleared decision on October 16, 1995 after a review of 55 days - a notably fast clearance cycle.

This device falls under the Anesthesiology FDA review panel, regulated under 21 CFR 868.5440 - 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: Fast-track predicate clearance. Standard predicate reliance. The short review cycle indicates strong predicate alignment - the FDA found sufficient equivalence without extended technical review.

View all Fisher & Paykel Electronics , Ltd. devices

Submission Details

510(k) Number K953949 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received August 22, 1995
Decision Date October 16, 1995
Days to Decision 55 days
Submission Type Traditional
Review Panel Anesthesiology (AN)
Summary Statement
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
85d faster than avg
Panel avg: 140d · This submission: 55d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code CAW Generator, Oxygen, Portable
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 868.5440
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 - CAW Generator, Oxygen, Portable

All 67
Devices cleared under the same product code (CAW) and FDA review panel - the closest regulatory comparables to K953949.
VENTURE IHO 100 HOME FILL COMPLETE HOME OXYGEN SYSTEM
K983627 · Invacare Corp. · Oct 1999
PURITAN-BENNETT AERIS 590 OXYGEN CONCENTRATOR WITH OCI
K993088 · Puritan Bennett Corp. · Oct 1999
MODIFICATION TO VENTURE IHO 100 COMPLETE HOME OXYGEN SYSTEM
K983777 · Invacare Corp. · Dec 1998
MOBILAIRE V & III PRO2 OXYGEN SENSORS FEATURES
K924818 · Invacare Corp. · Aug 1993
MODELS: IRCRF5, IRCPF16 FLOWMETER ACCESSORY KITS
K914488 · Invacare Corp. · Sep 1992
MOBILAIRE III AND V MODEL IRC 301 AND 501 OXY. CON
K904087 · Invacare Corp. · Oct 1990