# K122027: Arrow Flexblock Continuous Peripheral Nerve Block Catheter

- Pathway: 510(k) (Traditional)
- Applicant: Arrow International, Inc.
- Decided: Aug 28, 2012 after 48 days
- Product code: CAZ (Anesthesia Conduction Kit)
- Device class: 2
- Regulation: 21 CFR 868.5140
- Recalls of this device: 1 (1 Class I)
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 4 generations back to K801912 (1980). 9 ancestors in all.
2 later devices descend from it; 2 cite it directly.
5 of 12 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K103658: Flextip Plus Closed Tip Epidural Catherter, Teleflex, Inc. (2012) Summary page 1.
- K121403: Continuous Peripheral Nerve Block Catheter Kit and Set, Teleflex, Inc. (2012) Summary page 1.

## Most influential descendants
- K153652: ARROW FlexBlock Continuous Peripheral Nerve Block Catheter Kit/Set (2016), 0 descendants of its own
- K133316: Spirol  Block (19 GA. Open End Models), (20 GA. Open End Models), (19 GA. Closed End Models), (20 GA. Closed End Models) (2014), 0 descendants of its own

## Recalls of this device
- Apr 21, 2026 · Class I · Z-2364-2026: Lidocaine, Bupivacaine, and 0.9% sodium chloride, the subject of a supplier recall, were included into kits and sets. The supplier was found to have quality issues and limited reports of drug ineffect

## Indications for use
The ARROW FlexBlock Continuous Peripheral Nerve Block kit/set permits placement of catheters next to nerves and nerve plexuses for continuous nerve block anesthesia or analgesia techniques including upper extremity, lower extremity, abdominal and paravertebral locations for periods not exceeding 72 Hours.

Source page: https://510kreport.com/device/K122027
Methodology: https://510kreport.com/methodology