# K000722: Unipolar Needles

- Pathway: 510(k) (Traditional)
- Applicant: Pajunk GmbH
- Decided: Mar 31, 2000 after 28 days
- Product code: BSP (Needle, Conduction, Anesthetic (W/Wo Introducer))
- Device class: 2
- Regulation: 21 CFR 868.5150
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
40 later devices descend from it; 9 cite it directly.
0 of 41 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
- K013041: Plexolong Sets (2002), 32 descendants of its own
- K023218: Modification to Plexolong Sets (2003), 25 descendants of its own
- K033018: Stimulong Plus Catheter Set Model, Various (2004), 23 descendants of its own
- K063282: Contiplex Stim Continuous Nerve Block Set (2007), 13 descendants of its own
- K090995: B. Braun Contiplex Continuous Nerve Block Set (2009), 12 descendants of its own

Source page: https://510kreport.com/device/K000722
Methodology: https://510kreport.com/methodology