Cleared Traditional

K850559 - PRESSURE RELIEF ADAPTOR

K850559 is an FDA 510(k) clearance for PRESSURE RELIEF ADAPTOR, manufactured by Precision Medical, Inc.. The device is a Class 1 Anesthesiology device with product code CAX cleared through the Traditional 510(k) pathway after a 72-day FDA review.

K850559 · Precision Medical, Inc. · Anesthesiology device
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Apr 1985
Decision
72d
Days
Class 1
Risk

K850559 is an FDA 510(k) clearance for the PRESSURE RELIEF ADAPTOR. Classified as Flowmeter, Tube, Thorpe, Back-pressure Compensated (product code CAX), Class I - General Controls.

Submitted by Precision Medical, Inc. (Bath, US). The FDA issued a Cleared decision on April 25, 1985 after a review of 72 days - a notably fast clearance cycle.

This device falls under the Anesthesiology FDA review panel, regulated under 21 CFR 868.2340 - 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 Precision Medical, Inc. devices

FDA 510(k) Submission Details - K850559

510(k) Number K850559 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received February 12, 1985
Decision Date April 25, 1985
Days to Decision 72 days
Submission Type Traditional
Review Panel Anesthesiology (AN)
Summary -
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
68d faster than avg
Panel avg: 140d · This submission: 72d
Pathway characteristics
Predicate-based equivalence.

CAX Device Classification - Class 1, General Controls

Product Code CAX Flowmeter, Tube, Thorpe, Back-pressure Compensated
Device Class Class 1 - General Controls
CFR Regulation 21 CFR 868.2340
What this classification means

Class I devices are subject to general controls only and most are exempt from 510(k) premarket notification. They represent the lowest regulatory burden in the FDA device framework.

Regulatory Peers - CAX Flowmeter, Tube, Thorpe, Back-pressure Compensated

All 12
Devices cleared under the same product code (CAX) and FDA review panel - the closest regulatory comparables to K850559.
OHMEDA - LOW FLOW FLOWMETER
K910316 · Ohmeda Medical · Apr 1991
SERIES D FLOWMETER
K872718 · Puritan Bennett Corp. · Aug 1987
SELECT FLOWMETER
K854067 · Precision Medical, Inc. · Oct 1985
FLOWMETER, BACKPRESSURE COMPENSATED, THORPE TUBE
K850560 · Precision Medical, Inc. · Apr 1985
PRESET FLOWMETER
K812419 · Timeter Instrument Corp. · Sep 1981
TIMETER-PRODUCED PURITAN BENNETT AIR ADP
K812183 · Timeter Instrument Corp. · Aug 1981