# K161835: iovera system

- Pathway: 510(k) (Traditional)
- Applicant: Myoscience, Inc.
- Decided: Mar 24, 2017 after 262 days
- Product code: GXH (Device, Surgical, Cryogenic)
- Device class: 2
- Regulation: 21 CFR 882.4250
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 9 generations back to K781302 (1978). 14 ancestors in all.
4 later devices descend from it; 2 cite it directly.
0 of 19 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K142866: Myoscience iovera system, Myoscience, Inc. (2015) Summary page 4.

## Most influential descendants
- K211334: Iovera System (2021), 2 descendants of its own
- K173763: iovera system (2018), 2 descendants of its own
- K220656: iovera System (2022), 1 descendant of its own
- K243677: iovera° System (2024), 0 descendants of its own

## Indications for use
The iovera° system is used to destroy tissue during surgical procedures by applying freezing cold. It can also be used to produce lesions in peripheral nervous tissue by the application of cold to the selected site for the blocking of pain. It is also indicated for the relief of pain and symptoms associated with osteoarthritis of the knee for up to 90 days. The iovera° system is not indicated for treatment of central nervous system tissue.

Source page: https://510kreport.com/device/K161835
Methodology: https://510kreport.com/methodology