# K030557: Modification to Vnus Closure System

- Pathway: 510(k) (Special)
- Applicant: Vnus Medical Technologies, Inc.
- Decided: Mar 11, 2003 after 18 days
- Product code: GEI (Electrosurgical, Cutting & Coagulation & Accessories)
- Device class: 2
- Regulation: 21 CFR 878.4400
- 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 K943450 (1995). 22 ancestors in all.
21 later devices descend from it; 4 cite it directly.
0 of 44 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K982816: Vnus Closure System, Vnus Medical Technologies, Inc. (1999) Summary page 1.
- K003092: Modification to Vnus Closure System, Vnus Medical Technologies, Inc. (2000) Summary page 1.

## Most influential descendants
- K061373: Vnus Closurefast Catheter, Models CF7-7-60 and CF7-7-100 (2006), 13 descendants of its own
- K040638: Vnus Radiofrequency Generator, Model RFG2 (2004), 10 descendants of its own
- K111887: Closurefast Radiofrequency Catheter (2011), 6 descendants of its own
- K033547: Vnus Vessel and Tissue Coagulation System (2004), 6 descendants of its own
- K052003: Vnus RFS, Model RFS-6-XX (XX = 10, 12, 13, & 15); Vnus RFS Flex, Model RFX-6-XX (XX = 10, 20, 30 & 40) (2005), 5 descendants of its own

## Indications for use
The VNUS Closure System is intended for endovascular coagulation of blood vessels in patients with superficial vein reflux.

Source page: https://510kreport.com/device/K030557
Methodology: https://510kreport.com/methodology