# K241954: SonoBlock; SonoBlock II

- Pathway: 510(k) (Traditional)
- Applicant: PAJUNK GmbH Medizintechnologie
- Decided: Sep 11, 2024 after 70 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
Longest line of descent: 1 generation back to K111374 (2011). 1 ancestor in all.
1 later device descends from it; 1 cites it directly.
0 of 3 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K111374: Sono-Series Cornerstone Technique, PAJUNK GmbH Medizintechnologie (2011) Summary page 7.

## Most influential descendants
- K243682: SonoPlex STIM; SonoPlex II (2025), 0 descendants of its own

## Indications for use
SonoBlock and SonoBlock II Needles equipped with Cornerstone reflectors are used to puncture the tissue in order to gain entry and inject local anaesthetics to induce regional anaesthesia. Warning: SonoBlock and SonoBlock II Needles are not intended for RF ablation or any other type of ablation procedure.

Source page: https://510kreport.com/device/K241954
Methodology: https://510kreport.com/methodology