# K770729: Pyeloscope System

- Pathway: 510(k) (Traditional)
- Applicant: Richard Wolf Medical Instruments Corp.
- Decided: Apr 28, 1977 after 8 days
- Product code: FGA (Kit, Nephroscope)
- Device class: 2
- Regulation: 21 CFR 876.1500
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
12 later devices descend from it; 1 cites it directly.
1 of 13 devices in its family (counting itself) has 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
- K994223: Nephroscope, 12 Degrees; Diaphragm Valve; Irrigation Attachment; Nephroscope, 20 Degree, Straight View; Nephroscope, 20 (2000), 11 descendants of its own
- K151308: Schoelly Nephroscope Set, Schoelly Ultra-Mini Nephroscope Set (2016), 8 descendants of its own
- K161110: ClearPetra Suction-Evacuation Sheath (2016), 7 descendants of its own
- K243820: Hoover Negative Pressure Access Sheath (Hoover) (Hoover Model #'s IVX-NS-1040, IVX-NS-1050, IVX-NS-1140, IVX-NS-1150, IVX-NS-1240, IVX-NS-1250 (2025), 1 descendant of its own
- K261915: Navigator™ Flex Ureteral Access Sheath Set (2026), 0 descendants of its own

Source page: https://510kreport.com/device/K770729
Methodology: https://510kreport.com/methodology