510(k) · Cleared
ClearedMPS Acacia Nerve Block Needle
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Mps Acacia · CAZ Anesthesia Conduction Kit
Cleared on Dec 8, 2005 as substantially equivalent to K041843 (Epimed International, Inc., 2004) and 2 other predicates after a 49-day review. Its family tree reaches back 3 generations to 1993. 2 of the 14 devices in its family, counting itself, have a Class I recall. 1 later device descends from it.
- Decided
- Dec 8, 2005
- Review
- 49 days
- Class
- Class II
- Product code
- CAZ
- Recalls
- None
- Predicates
- 3
Its longest line of descent runs back 3 generations to K932249 (1993). 12 ancestors in all, the oldest K840287 (1984). 1 later device descends from it, 1 citing it directly. 2 of the 14 devices in this family, counting this one, have a Class I recall.
- Root · 3 generations backK932249 Durasafe B-D Combined Spinal Epidural AnesthesiaBd Becton Dickinson Vacutainer Systems Preanalytic · 1993
- 2 generations backK954953 B-D Durasafe Combined Spinal Epidural (Cse) TrayBd Becton Dickinson Vacutainer Systems Preanalytic · 1996
- 1 generation backK040965 Pajunk Tuohy Needles, Quincke Needles, Chiba Needles & Crawford…Pajunk GmbH · 2004
- This deviceK052946 MPS Acacia Nerve Block NeedleMps Acacia · 2005
- Descendant · cites it directly · 0 of its ownK113662 Fenestrated Nerve Block NeedleImd, Inc. · 2012
Class I recalls in this family
Most influential descendants
Showing 1 of 1 · See all- K113662Fenestrated Nerve Block NeedleImd, Inc. · 2012 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −3 | K932249 | Durasafe B-D Combined Spinal Epidural Anesthesia | Bd Becton Dickinson Vacutainer Systems Preanalytic | 1993 | — |
| −2 | K954953 | B-D Durasafe Combined Spinal Epidural (Cse) Tray | Bd Becton Dickinson Vacutainer Systems Preanalytic | 1996 | — |
| −1 | K040965 | Pajunk Tuohy Needles, Quincke Needles, Chiba Needles & Crawford Needles | Pajunk GmbH | 2004 | — |
| 0 (this device) | K052946 | MPS Acacia Nerve Block Needle | Mps Acacia | 2005 | — |
| +1 | K113662 | Fenestrated Nerve Block Needle | Imd, Inc. | 2012 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1984 | 1 | 0 |
| 1991 | 1 | 1 |
| 1992 | 2 | 1 |
| 1993 | 1 | 0 |
| 1995 | 1 | 0 |
| 2000 | 1 | 0 |
| 2002 | 1 | 0 |
| 2004 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2012 | 1 | 0 |
Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
2 devices in this family have a Class I recall. A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.
Top candidate predicates for a new CAZ device
- #1 K261372 Profoject™ LOR Syringescore 12.4 · 2 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (3)
Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K041843 | Pencil Point NeedleSummary page 1…de name: Nerve Block Needle Common name: Nerve Block Needle 5. Predicate device: Blunt Nerve Block Needle 510(k) number: K041843 Marketed by: Epimed International 141 Sal Landrio Drive… | 2004 |
| * | K040965 | Pajunk Tuohy Needles, Quincke Needles, Chiba Needles & Crawford NeedlesSummary page 1…141 Sal Landrio Drive Johnstown, NY 12095 Predicate device: Pajunk Anesthesia Conduction Needle 510(k) number: K040965 Marketed by: Pajunk Medical Technology Karl-Hall-Str. 1… | 2004 |
| * | K013041 | Plexolong SetsSummary page 1…all-Str. 1 78187 Geisingen Germany Predicate device: Plexolong Set 510(k) number: K013041 Marketed by: Pajunk Medical Technology Karl-Hall-Str. 1… | 2002 |
What descends from it? (1)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K113662 | Fenestrated Nerve Block Needle | 2012 | 0 |
Has anything in its family been recalled? (2 Class I)
No FDA recall names this device.
Relatives with a Class I recall
Class I is FDA’s most serious recall class. A recall in the family tree is context for this device, not evidence about it.
What does this lineage say?
- The line of descent spans 12 years and passes through 3 companies; a new generation was cleared every 2.7 years on median.
- 3 of the 12 ancestors have a recall of any class; 2 have a Class I recall.
- Of its descendants, K113662 (Imd, Inc., 2012) has gone furthest, with 0 descendants of its own.
- 2 other devices also cite its predicate K041843.
How does its category compare?
All CAZ devicesCAZ Anesthesia Conduction Kit: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · CAZ
1in 2023
2026 to Oct 25, outlined.
Median 510(k) review, days · CAZ
108in 2012
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · CAZ
1in 2024
Class I (11 since 2007) Class II/III not classified
Adverse event reports per year · CAZ
137in 2025
MAUDE reports naming product code CAZ, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 4 | 172 | 0 | 81 |
| 2008 | 4 | 99 | 0 | 80 |
| 2009 | 2 | — | 29 | 134 |
| 2010 | 2 | — | 8 | 139 |
| 2011 | 1 | — | 2 | 187 |
| 2012 | 9 | 108 | 0 | 187 |
| 2013 | 0 | — | 12 | 276 |
| 2014 | 0 | — | 2 | 251 |
| 2015 | 1 | — | 1 | 235 |
| 2016 | 2 | — | 1 | 372 |
| 2017 | 0 | — | 0 | 353 |
| 2018 | 0 | — | 0 | 448 |
| 2019 | 1 | — | 0 | 472 |
| 2020 | 1 | — | 0 | 274 |
| 2021 | 1 | — | 0 | 165 |
| 2022 | 1 | — | 0 | 270 |
| 2023 | 1 | — | 0 | 60 |
| 2024 | 0 | — | 1 | 165 |
| 2025 | 0 | — | 0 | 137 |
| 2026 | 1 | — | 12 (11) | — |
What is it indicated for?
1. The MPS Acacia Nerve Block Needle is intended for the administration of local anesthetic agents to provide regional anesthesia or the administration of anti-inflammatory medication to relieve chronic pain conditions, or to facilitate placement of a catheter. 2. The MPS Acacia Nerve Block Stimulating Needle version is also intended to aid in locating specific peripheral nerves or nerve plexuses for the precise delivery of local anesthetic agents or…
Read the full statement (113 words)
1. The MPS Acacia Nerve Block Needle is intended for the administration of local anesthetic agents to provide regional anesthesia or the administration of anti-inflammatory medication to relieve chronic pain conditions, or to facilitate placement of a catheter.
2. The MPS Acacia Nerve Block Stimulating Needle version is also intended to aid in locating specific peripheral nerves or nerve plexuses for the precise delivery of local anesthetic agents or anti-inflammatory medication for the relief of chronic pain conditions or to provide regional anesthesia, or to facilitate placement of a catheter.
3. Routes of administration may include Peripheral nerve blocks, Sympathetic blocks, Selective nerve blocks, Intra-articular injections (i.e. Facet blocks), Interlaminar and Transforaminal approaches.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K052946 · printed Nov 5, 2026
Cite this page
510(k) Report. “K052946: MPS Acacia Nerve Block Needle.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K052946
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Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026