# K121929: Zephyr 'X-Series Patient Transfer Sled

- Pathway: 510(k) (Traditional)
- Applicant: Diacor, Inc.
- Decided: Jan 17, 2013 after 199 days
- Product code: FRZ (Device, Patient Transfer, Powered)
- Device class: 2
- Regulation: 21 CFR 880.6775
- 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. The summary cites one number, which could not be confirmed as its predicate (listed below).
- (no number) Patient Transfer Systems, Inc., AirPal Platform Powered Patient Transfer Device: named in the summary without a submission number

## Cited in the summary but kept off the family tree
- K11340: CIVCO MR & Radiological Patient Positioning Devices. Number could not be read Summary page 1.

## Most influential descendants
- K160627: Symphony Patient Transport System, Symphony Patient Trolley, Symphony Standard Transfer Surface, Symphony Portrait (Head/Neck) Transfer Surface, Symphony Brachytherapy solution (2016), 1 descendant of its own
- K230312: Iris AirShuttle™ (2023), 0 descendants of its own

## Indications for use
The Zephyr "x-series" Patient Positioning and Transfer System is indicated to aid in the support, positioning, and transfer of a patient for procedures involving imaging, including MRI, and external beam radiation therapy treatment with electrons, photons or protons, as well as other procedures requiring transfer of a patient.

Source page: https://510kreport.com/device/K121929
Methodology: https://510kreport.com/methodology