# K910971: Z XT Radiation Therapy Treatment Table

- Pathway: 510(k) (Traditional)
- Applicant: Siemens Medical Laboratories, Inc.
- Decided: May 3, 1991 after 57 days
- Product code: JAI (Couch, Radiation Therapy, Powered)
- Device class: 2
- Regulation: 21 CFR 892.5770
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
3 later devices descend from it; 3 cite 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)
- None. FDA has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K050422: 550 TXT Treatment Table (2005), 0 descendants of its own
- K993522: Aktina Medical Physics Corporation Tennis Racquet Insert (2000), 0 descendants of its own
- K982446: Dynamic Shielding Radiation Table (1998), 0 descendants of its own

Source page: https://510kreport.com/device/K910971
Methodology: https://510kreport.com/methodology