# K173072: Algidex Ag Silver Alginate Wound  Dressing

- Pathway: 510(k) (Traditional)
- Applicant: Deroyal Industries, Inc.
- Decided: Apr 4, 2018 after 187 days
- Product code: FRO (Dressing, Wound, Drug)
- Device class: U
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 3 generations back to K970566 (1997). 5 ancestors in all.
No later device cites it as a predicate yet.
0 of 6 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K041268: Silversite or Calgitrol, Adri (2004) Summary page 4.
- K011618: Calgitrol AG Silver Alginate Wound Dressing, Adri (2002) Summary page 4.

## Indications for use
Abrasions and lacerations, dermal wounds, donor sites, first- and second-degree burns, surgical incisions, vascular access sites, pressure ulcers stages I-IV, stasis ulcers, venous ulcers.

Source page: https://510kreport.com/device/K173072
Methodology: https://510kreport.com/methodology