510(k) · Cleared
Recalled · Class II · 2025SmartRelease Endoscopic Soft Tissue Release System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Microaire Surgical Instruments · HRX Arthroscope
Cleared on Feb 2, 2023 as substantially equivalent to K181819 (Microaire Surgical Instruments, LLC, 2018) after an 85-day review. Its family tree reaches back 6 generations to 1984. 2 later devices descend from it. It has been recalled once.
- Decided
- Feb 2, 2023
- Review
- 85 days
- Class
- Class II
- Product code
- HRX
- Recalls
- 1
- Predicates
- 1
Its longest line of descent runs back 6 generations to K844002 (1984). 26 ancestors in all, the oldest K771218 (1978). 2 later devices descend from it, 2 citing it directly.
- Root · 6 generations backK844002 HU-Friedy Ims Cassette SystemHu-Friedy Mfg. Co., Inc. · 1984
- 5 generations backK980065 C/T Med-Systems Cassette SystemC/T Med System, Ltd. · 1998
- 4 generations backK990761 Tuttnauer Mini Container Cassette, Tuttnauer Standard Case CassetteTuttnauer U.S.A Co, Ltd. · 1999
- 3 generations backK012105 Polyvac Surgical Instrument Delivery SystemSymmetry Medical, Inc. · 2002
- 2 generations backK032119 Paragon Medical Surgical Instrument Delivery System VariousParagon Medical, Inc. · 2003
- 1 generation backK181819 SMARTRELEASE Endoscopic Soft Tissue Release SystemMicroaire Surgical Instruments, LLC · 2018
- This deviceK223406 SmartRelease Endoscopic Soft Tissue Release SystemMicroaire Surgical Instruments · 2023
- Descendant · cites it directly · 0 of its ownK252594 UltraGuideCTR® image guided soft tissue release systemSonex Health · 2025
- Descendant · cites it directly · 0 of its ownK242417 VECTR – Video Endoscopic Carpal Tunnel Release SystemRafael Medical Devices, LLC · 2024
Most influential descendants
Showing 2 of 2 · See allView FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −6 | K844002 | HU-Friedy Ims Cassette System | Hu-Friedy Mfg. Co., Inc. | 1984 | — |
| −5 | K980065 | C/T Med-Systems Cassette System | C/T Med System, Ltd. | 1998 | — |
| −4 | K990761 | Tuttnauer Mini Container Cassette, Tuttnauer Standard Case Cassette | Tuttnauer U.S.A Co, Ltd. | 1999 | — |
| −3 | K012105 | Polyvac Surgical Instrument Delivery System | Symmetry Medical, Inc. | 2002 | — |
| −2 | K032119 | Paragon Medical Surgical Instrument Delivery System Various | Paragon Medical, Inc. | 2003 | — |
| −1 | K181819 | SMARTRELEASE Endoscopic Soft Tissue Release System | Microaire Surgical Instruments, LLC | 2018 | — |
| 0 (this device) | K223406 | SmartRelease Endoscopic Soft Tissue Release System | Microaire Surgical Instruments | 2023 | — |
| +1 | K252594 | UltraGuideCTR® image guided soft tissue release system | Sonex Health | 2025 | — |
| +1 | K242417 | VECTR – Video Endoscopic Carpal Tunnel Release System | Rafael Medical Devices, LLC | 2024 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1978 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1988 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 2001 | 1 | 0 |
| 2008 | 2 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2024 | 1 | 0 |
| 2025 | 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 HRX? 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 HRX device
- #1 K260203 Fule Vertebroplasty Balloon Catheterscore 14.9 · 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? (1)
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 |
|---|---|---|---|
| * | K181819 | SMARTRELEASE Endoscopic Soft Tissue Release SystemSummary page 4…assification Panel: Orthopedic 4. Predicate Device(s) The predicate device for this submission is MicroAire’s SmartRelease® Endoscopic Soft Tissue Release System (K181819). This predicate has not been the subject of a design-related recall. No reference devices were used in this submission. 5… | 2018 |
What descends from it? (2)
2 later devices cite it directly; ranked here by how many devices descend from each in turn.
Has anything in its family been recalled? (0 Class I)
Recalls of this device
| Date | Class | Recall | Root cause | Reason |
|---|---|---|---|---|
| May 7, 2025 | Class II | Z-1975-2025 | Under Investigation by firm | Potential that the blade can unintentionally cut tissue prior to the user deploying the blade. |
No ancestor or descendant has a Class I recall.
What does this lineage say?
- The line of descent spans 39 years and passes through 7 companies; a new generation was cleared every 4.2 years on median.
- None of the 26 ancestors has a recall.
- Of its descendants, K252594 (Sonex Health, 2025) has gone furthest, with 0 descendants of its own.
- 3 other devices also cite its predicate K181819.
How does its category compare?
All HRX devicesHRX Arthroscope: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.
FDA decisions per year · HRX
9in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · HRX
107in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · HRX
1in 2024
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · HRX
2,076in 2025
MAUDE reports naming product code HRX, 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 | 7 | 89 | 3 | 421 |
| 2008 | 9 | 115 | 13 | 441 |
| 2009 | 11 | 139 | 23 | 558 |
| 2010 | 9 | 114 | 12 | 612 |
| 2011 | 3 | 84 | 6 | 631 |
| 2012 | 11 | 102 | 0 | 778 |
| 2013 | 12 | 90 | 4 | 678 |
| 2014 | 9 | 140 | 0 | 802 |
| 2015 | 4 | 132 | 7 | 763 |
| 2016 | 8 | 89 | 0 | 469 |
| 2017 | 4 | 97 | 0 | 934 |
| 2018 | 12 | 101 | 1 | 1,581 |
| 2019 | 12 | 45 | 0 | 1,676 |
| 2020 | 7 | 141 | 0 | 1,706 |
| 2021 | 7 | 57 | 3 | 1,908 |
| 2022 | 3 | 89 | 0 | 1,406 |
| 2023 | 4 | 249 | 0 | 1,852 |
| 2024 | 6 | 110 | 1 | 2,427 |
| 2025 | 9 | 107 | 0 | 2,076 |
| 2026 | 7 | 217 | 0 | — |
What is it indicated for?
The MicroAire® SmartRelease® Endoscopic Soft Tissue Release System is indicated for:
• Carpal tunnel release in the wrist
• Cubital tunnel release in the elbow
• Trigger finger release in the hand
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K223406 · printed Nov 6, 2026
Cite this page
510(k) Report. “K223406: SmartRelease Endoscopic Soft Tissue Release System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K223406
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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