# K121374: ZI Blower

- Pathway: 510(k) (Traditional)
- Applicant: Deshum Medical
- Decided: Feb 22, 2013 after 291 days
- Product code: BZD (Ventilator, Non-Continuous (Respirator))
- Device class: 2
- Regulation: 21 CFR 868.5905
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 8 generations back to K903764 (1990). 31 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 33 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K100121: Model 300157 Cpap System, Aeiomed, Inc. (2010) Summary page 1.
- K052597: Breathex Omega Cpap Device, Model 322, Hoffman Laboratories, LLC (2005) Summary page 1.
- K013843: Autoset Spirit Cpap System, Resmed Corp (2002) Summary page 1.

## Most influential descendants
- K140929: Z1 Cpap System (2014), 0 descendants of its own

## Indications for use
The ZI blower is a single patient reusable device that provides continuous positive airway pressure (CPAP) to support treatment of adults (over 30 kg) with obstructive sleep apnea.

Source page: https://510kreport.com/device/K121374
Methodology: https://510kreport.com/methodology