# K921758: Storz Protege Opthalmic Microsurgical System

- Pathway: 510(k) (Traditional)
- Applicant: Storz Instrument Co.
- Decided: Jul 16, 1992 after 94 days
- Product code: HQE (Instrument, Vitreous Aspiration And Cutting, Ac-Powered)
- Device class: 2
- Regulation: 21 CFR 886.4150
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
10 later devices descend from it; 3 cite it directly.
0 of 11 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K981103: Turbosonics Limited Reuse Ultrasonic Tip (1998), 6 descendants of its own
- K030179: Medisiss Phacoemulsification Tips/Needles (2003), 4 descendants of its own
- K041841: Pachycam (2005), 3 descendants of its own
- K073508: Parkone (2008), 1 descendant of its own
- K961831: Storz DP5200 Irrigation Addministration Set Pack (1996), 1 descendant of its own

Source page: https://510kreport.com/device/K921758
Methodology: https://510kreport.com/methodology