# K220424: Through the Scope Tracheal Stent System

- Pathway: 510(k) (Traditional)
- Applicant: Micro-Tech (Nanjing) Co., Ltd.
- Decided: Jul 8, 2022 after 144 days
- Product code: JCT (Prosthesis, Tracheal, Expandable)
- Device class: 2
- Regulation: 21 CFR 878.3720
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 7 generations back to K003173 (2001). 12 ancestors in all.
No later device cites it as a predicate yet.
0 of 13 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K202204: Tracheal Stent System, Micro-Tech (Nanjing) Co., Ltd. (2021) Summary page 5.

## Indications for use
The Through the Scope Tracheal Stent System is indicated for use in the treatment of tracheobronchial strictures caused by malignant neoplasms.

Source page: https://510kreport.com/device/K220424
Methodology: https://510kreport.com/methodology