510(k) · Cleared
ClearedCitrelock® Duo
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Acuitive Technologies, Inc. · MBI Fastener, Fixation, Nondegradable, Soft Tissue
Cleared on Sep 20, 2023 as substantially equivalent to K220833 (Acuitive Technologies, Inc., 2022) and 2 other predicates after a 26-day review. Its family tree reaches back 4 generations to 1997.
- Decided
- Sep 20, 2023
- Review
- 26 days
- Class
- Class II
- Product code
- MBI
- Recalls
- None
- Predicates
- 3
Its longest line of descent runs back 4 generations to K971723 (1997). 8 ancestors in all. No later device cites it as a predicate yet.
- Root · 4 generations backK971723 Fastak Suture Anchor (11.7MM)/(7.5MM)Arthrex, Inc. · 1997
- 3 generations backK051219 PushlockArthrex, Inc. · 2005
- 2 generations backK203334 The Citrefix Knotless Suture AnchorAcuitive Technologies, Inc. · 2021
- 1 generation backK220833 Citregen Tendon Interference Screw, Citrelock, Citrefix, Citrespline…Acuitive Technologies, Inc. · 2022
- This deviceK232592 Citrelock® DuoAcuitive Technologies, Inc. · 2023
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −4 | K971723 | Fastak Suture Anchor (11.7MM)/(7.5MM) | Arthrex, Inc. | 1997 | — |
| −3 | K051219 | Pushlock | Arthrex, Inc. | 2005 | — |
| −2 | K203334 | The Citrefix Knotless Suture Anchor | Acuitive Technologies, Inc. | 2021 | — |
| −1 | K220833 | Citregen Tendon Interference Screw, Citrelock, Citrefix, Citrespline ACL, and… | Acuitive Technologies, Inc. | 2022 | — |
| 0 (this device) | K232592 | Citrelock® Duo | Acuitive Technologies, Inc. | 2023 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2000 | 1 | 0 |
| 2005 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 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.
Planning a device in MBI? 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 MBI device
- #1 K203268 Arthrex FiberTak Suture Anchorscore 21.4 · 11 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 |
|---|---|---|---|
| * | K220833 | Citregen Tendon Interference Screw, Citrelock, Citrefix, Citrespline ACL, and Citrelock…Summary page 4…bers: Primary regulation: 21 C.F.R. § 888.3030 Additional regulation: 21 C.F.R. § 888.3040 C1. PRIMARY PREDICATE DEVICE K220833, K200725 CITREGEN® Tendon Interference Screw (TIS) and CITRELOCK® C2. ADDITIONAL PREDICATE DEVICE K203334… | 2022 |
| * | K200725 | Citregen Tendon Interference Screw and CitrelockSummary page 4…Primary regulation: 21 C.F.R. § 888.3030 Additional regulation: 21 C.F.R. § 888.3040 C1. PRIMARY PREDICATE DEVICE K220833, K200725 CITREGEN® Tendon Interference Screw (TIS) and CITRELOCK® C2. ADDITIONAL PREDICATE DEVICE K203334… | 2020 |
| * | K203334 | The Citrefix Knotless Suture AnchorSummary page 4….R. § 888.3040 C1. PRIMARY PREDICATE DEVICE K220833, K200725 CITREGEN® Tendon Interference Screw (TIS) and CITRELOCK® C2. ADDITIONAL PREDICATE DEVICE K203334 CITREFIXTM Knotless Suture Anchor… | 2021 |
What descends from it?
No later submission names this one as a predicate yet.
Has anything in its family been recalled? (0 Class I)
No FDA recall names this device.
No ancestor or descendant has a Class I recall.
What does this lineage say?
- The line of descent spans 26 years and passes through 2 companies; a new generation was cleared every 7.9 years on median.
- None of the 8 ancestors has a recall.
How does its category compare?
All MBI devicesMBI Fastener, Fixation, Nondegradable, Soft Tissue: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.
FDA decisions per year · MBI
27in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · MBI
58in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · MBI
1in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · MBI
3,826in 2025
MAUDE reports naming product code MBI, 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 | 16 | 80 | 24 | 240 |
| 2008 | 10 | 69 | 6 | 338 |
| 2009 | 19 | 82 | 2 | 355 |
| 2010 | 17 | 76 | 3 | 291 |
| 2011 | 30 | 75 | 23 | 328 |
| 2012 | 24 | 94 | 6 | 371 |
| 2013 | 31 | 100 | 2 | 442 |
| 2014 | 23 | 101 | 0 | 504 |
| 2015 | 23 | 85 | 0 | 507 |
| 2016 | 17 | 94 | 0 | 795 |
| 2017 | 17 | 70 | 4 | 675 |
| 2018 | 16 | 91 | 2 | 1,072 |
| 2019 | 31 | 90 | 0 | 1,303 |
| 2020 | 35 | 83 | 1 | 1,454 |
| 2021 | 18 | 107 | 0 | 1,890 |
| 2022 | 19 | 64 | 0 | 1,591 |
| 2023 | 52 | 57 | 1 | 2,503 |
| 2024 | 22 | 30 | 1 | 3,779 |
| 2025 | 27 | 58 | 1 | 3,826 |
| 2026 | 30 | 63 | 0 | — |
What is it indicated for?
The CITRELOCK® DUO is intended for soft tissue reattachment, i.e. fixation of ligament and tendon graft tissue in surgeries of the shoulder, elbow, foot/ankle, knee, and hand/wrist. More specifically: Shoulder: Rotator Cuff Repairs, Bankart Repair, SLAP Lesion Repair, Biceps Tendon Reattachment, Acromion-Clavicular Separation Repair, Deltoid Repair, Capsular Shift or Capsulolabral Reconstruction. Foot/Ankle: Lateral Stabilization, Medial Stabilization…
Read the full statement (143 words)
The CITRELOCK® DUO is intended for soft tissue reattachment, i.e. fixation of ligament and tendon graft tissue in surgeries of the shoulder, elbow, foot/ankle, knee, and hand/wrist. More specifically:
Shoulder: Rotator Cuff Repairs, Bankart Repair, SLAP Lesion Repair, Biceps Tendon Reattachment, Acromion-Clavicular Separation Repair, Deltoid Repair, Capsular Shift or Capsulolabral Reconstruction.
Foot/Ankle: Lateral Stabilization, Medial Stabilization, Achilles Tendon Repair, Hallux Valgus Reconstruction, Midfoot Reconstruction, Metatarsal Ligament Repair, Flexor Hallucis Longus for Achilles Tendon reconstruction, tendon transfers in the foot and ankle.
Knee: Anterior Cruciate Ligament Repair, Medial Collateral Ligament Repair, Lateral Collateral Ligament Repair, Patellar Tendon Repair, Posterior Oblique Ligament Repair, Iliotibial Band Tenodesis.
Elbow: Biceps Tendon Reattachment, Ulnar or Radial Collateral Ligament Reconstruction.
Hand/Wrist: Scapholunate Ligament Reconstruction, Ulnar Collateral Ligament Reconstruction, Radial Collateral Ligament Reconstruction, Carpometacarpal joint arthroplasty (basal thumb joint arthroplasty), Carpal Ligament Reconstructions and repairs, tendon transfer in the hand/wrist.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K232592 · printed Nov 6, 2026
Cite this page
510(k) Report. “K232592: Citrelock® Duo.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K232592
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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