# K220020: Cryo 7

- Pathway: 510(k) (Special)
- Applicant: Zimmer Medizinsysteme GmbH
- Decided: Feb 4, 2022 after 30 days
- Product code: GEX (Powered Laser Surgical Instrument)
- Device class: 2
- Regulation: 21 CFR 878.4810
- 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 K963094 (1996). 37 ancestors in all.
2 later devices descend from it; 2 cite it directly.
0 of 40 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K060395: Cryo, Model V6.0, Zimmer Elektromedizin GmbH (2006) Summary page 4.

## Most influential descendants
- K233416: Cryojet Plus (SHE-ACP001-1) (2024), 1 descendant of its own
- K261674: Skin Air Cooling System (QALF-01) (2026), 0 descendants of its own

## Indications for use
The Cryo 7 is indicated to be used to: Minimize pain and thermal injury during laser and dermatological treatments and for temporary topical anesthetic relief for injections.

Source page: https://510kreport.com/device/K220020
Methodology: https://510kreport.com/methodology