510(k) · Cleared
ClearedTwister Superelastic Ligating Clip and Applier
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Neurosel (Medical) Limited · FZP Clip, Implantable
Cleared on Sep 9, 2003 as substantially equivalent to K830503 (ETHICON, Inc., 1983) and 1 other predicate after a 50-day review. Its family tree reaches back 1 generation to 1983. 3 later devices descend from it.
- Decided
- Sep 9, 2003
- Review
- 50 days
- Class
- Class II
- Product code
- FZP
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 1 generation to K830503 (1983). 2 ancestors in all. 3 later devices descend from it, 1 citing it directly.
- Root · 1 generation backK830503 Ligaclip Titanium Ligating ClipETHICON, Inc. · 1983 · Recalled
- This deviceK032238 Twister Superelastic Ligating Clip and ApplierNeurosel (Medical) Limited · 2003
- Descendant · cites it directly · 2 of its ownK140932 Amsel Occluder DeviceAmsel Medical Corporation · 2015
- Descendant · 2 generations on · 0 of its ownK260677 Vessel Closure Device (VCD177213P)Vcd Medical S.R.L. · 2026
- Descendant · 2 generations on · 0 of its ownK180650 Amsel Endo OccluderAmsel Medical Corporation · 2018
Most influential descendants
Showing 3 of 3 · See allView FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K830503 | Ligaclip Titanium Ligating Clip | ETHICON, Inc. | 1983 | 3 |
| 0 (this device) | K032238 | Twister Superelastic Ligating Clip and Applier | Neurosel (Medical) Limited | 2003 | — |
| +1 | K140932 | Amsel Occluder Device | Amsel Medical Corporation | 2015 | — |
| +2 | K260677 | Vessel Closure Device (VCD177213P) | Vcd Medical S.R.L. | 2026 | — |
| +2 | K180650 | Amsel Endo Occluder | Amsel Medical Corporation | 2018 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1986 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2015 | 1 | 0 |
| 2018 | 1 | 0 |
| 2026 | 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 FZP? 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 FZP device
- #1 K260677 Vessel Closure Device (VCD177213P)score 12.6 · 3 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (2)
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 |
|---|---|---|---|
| * | K830503 | Ligaclip Titanium Ligating ClipSummary page 1…3 Predicate Devices The TwisterTMSuperelastic Llgating Clip and Applier is substantially equivalent to the following legally marketed devices: K830503 Ethcon Ligaclip@Titanium Ligating Clip K864102 Ethcon Ligaclip@20/20 Multiple Clip Applier 4 Dev… | 1983 |
| * | K864102 | Ligaclip 20/20* Multiple Clip ApplierSummary page 1…p and Applier is substantially equivalent to the following legally marketed devices: K830503 Ethcon Ligaclip@Titanium Ligating Clip K864102 Ethcon Ligaclip@20/20 Multiple Clip Applier 4 Device Description The Twister'"h'Superelastic Lgating Clip System… | 1986 |
What descends from it? (3)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K140932 | Amsel Occluder Device | 2015 | 2 |
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?
How does its category compare?
All FZP devicesFZP Clip, Implantable: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · FZP
5in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · FZP
90in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · FZP
1in 2020
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · FZP
1,902in 2025
MAUDE reports naming product code FZP, 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 | 6 | 31 | 1 | 1,877 |
| 2008 | 4 | 23 | 6 | 981 |
| 2009 | 3 | 22 | 0 | 2,160 |
| 2010 | 6 | 47 | 1 | 2,367 |
| 2011 | 3 | 124 | 0 | 1,678 |
| 2012 | 2 | — | 1 | 1,677 |
| 2013 | 3 | 47 | 0 | 2,381 |
| 2014 | 3 | 29 | 1 | 2,320 |
| 2015 | 8 | 182 | 0 | 2,871 |
| 2016 | 5 | 72 | 2 | 1,840 |
| 2017 | 4 | 29 | 1 | 2,594 |
| 2018 | 4 | 143 | 0 | 2,718 |
| 2019 | 1 | — | 3 | 2,903 |
| 2020 | 2 | — | 1 | 1,760 |
| 2021 | 0 | — | 0 | 1,759 |
| 2022 | 3 | 227 | 0 | 1,575 |
| 2023 | 3 | 65 | 0 | 1,918 |
| 2024 | 2 | — | 0 | 2,067 |
| 2025 | 5 | 90 | 0 | 1,902 |
| 2026 | 2 | — | 0 | — |
What is it indicated for?
The TwisterTM Superelastic Ligating Clip, Size M and its applier is intended for the permanent occlusion or ligation of blood vessels and other tubular body structures, wherever a metal ligating clip is indicated, and within the size range of 2.0 to 3.5mm diameter.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K032238 · printed Nov 6, 2026
Cite this page
510(k) Report. “K032238: Twister Superelastic Ligating Clip and Applier.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K032238
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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