# K003561: Invacare Passover Humidifier Model ISP9700

- Pathway: 510(k) (Traditional)
- Applicant: Invacare Corp.
- Decided: Apr 17, 2001 after 148 days
- Product code: BTT (Humidifier, Respiratory Gas, (Direct Patient Interface))
- Device class: 2
- Regulation: 21 CFR 868.5450
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
2 later devices descend from it; 1 cites it directly.
0 of 3 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K041035: Hoffrichter Trend 110 Cpap Device with Aquatrend Iii Cpap Humidifier Accessory for Trend (2004), 1 descendant of its own
- K053486: Trend 200 Cpap Device, Model 5CP201; Trendset PC Software, Model Trendset (2006), 0 descendants of its own

Source page: https://510kreport.com/device/K003561
Methodology: https://510kreport.com/methodology