# K962220: Heated Wire Circuits  for SCT 3000 Heated Humidifier

- Pathway: 510(k) (Traditional)
- Applicant: Marquest Medical Products, Inc.
- Decided: Jan 14, 1997 after 218 days
- Product code: BZE (Heater, Breathing System W/Wo Controller (Not Humidifier Or Nebulizer)
- Device class: 2
- Regulation: 21 CFR 868.5270
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 1 generation back to K860941 (1986). 3 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 5 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K903138: Marquest SCT 3000, Heated Humidification System, Marquest Medical Products, Inc. (1990). Our OCR of the scanned summary read K503138, which is not a number in FDA’s lists. Corrected to the number one digit away whose FDA name carries the summary’s words for the device, “Marquest SCT 3000”.
- K860941: Disposable Heated Wire Loops 48 and 72, Intec Medical, Inc. (1986) Summary page 1.
- K881231: Dabc Nonconductive Heated Anesth. Breath. Circuit, Intertech Resources, Inc. (1988) Summary page 1.

## Most influential descendants
- K993268: Mallinckrodt Dar Heated Wire Breathing Circuit (2000), 0 descendants of its own

## Indications for use
Heated wire circuits to be used with the SCT 3000 are indicated as breathing circuits for patients under going anesthesia or mechanical ventilation.

Source page: https://510kreport.com/device/K962220
Methodology: https://510kreport.com/methodology