# K251890: Disposable Ureteral Stents

- Pathway: 510(k) (Traditional)
- Applicant: Zhejiang Chuangxiang Medical Technology Co., Ltd.
- Decided: Feb 20, 2026 after 245 days
- Product code: FAD (Stent, Ureteral)
- Device class: 2
- Regulation: 21 CFR 876.4620
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 6 generations back to K903345 (1991). 8 ancestors in all.
No later device cites it as a predicate yet.
0 of 9 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K161236: Universa Firm Ureteral Stents and Stent Sets, Cook Incorporated (2017) Summary page 5.

## Indications for use
The Disposable Ureteral Stents are used for temporary internal drainage from the ureteropelvic junction to the bladder. Ureteral stents have been used to relieve obstruction in a variety of benign, malignant and post-traumatic conditions. The stents are placed using endoscopic technique. The indwelling time should not exceed 30 days.

Source page: https://510kreport.com/device/K251890
Methodology: https://510kreport.com/methodology