# K070490: Cirqlator Intrathoracic Pressure Regulator (Itpr)

- Pathway: 510(k) (Traditional)
- Applicant: Advanced Circulatory Systems, Inc.
- Decided: Jun 20, 2007 after 120 days
- Product code: BWF (Spirometer, Therapeutic (Incentive))
- Device class: 2
- Regulation: 21 CFR 868.5690
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 2 generations back to K022906 (2003). 2 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 4 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K022906: Resqpod Circulatory Enhancer, Cprx, LLC (2003) Summary page 1.
- K033401: Modification to Resqpod Circulatory Enhancer, Advanced Circulatory Systems, Inc. (2003) Summary page 1.
- (no number) Bird Mark 8 ventilator: named in the summary without a submission number

## Most influential descendants
- K172388: Vpod Itpr (2017), 0 descendants of its own

## Indications for use
The CirQlator M Intrathoracic Pressure Regulator is indicated for the temporary decrease in intrathoracic pressure to increase blood circulation, as prescribed by a physician, licensed practitioner, or qualified technician. Recommended duration of use is up to four hours.

Source page: https://510kreport.com/device/K070490
Methodology: https://510kreport.com/methodology