510(k) · Cleared
ClearedRevolution Full Core Biopsy
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Inrad · KNW Instrument, Biopsy
Cleared on Jun 4, 2009 as substantially equivalent to K904987 (Vibronics, 1991) after a 90-day review. Its family tree reaches back 1 generation to 1991. 2 later devices descend from it.
- Decided
- Jun 4, 2009
- Review
- 90 days
- Class
- Class II
- Product code
- KNW
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 1 generation to K904987 (1991). 2 later devices descend from it, 2 citing it directly.
- Root · 1 generation backK904987 Vibronics Auto Core Biopsy Device (Acbd)Vibronics · 1991 · Recalled
- This deviceK090611 Revolution Full Core BiopsyInrad · 2009
- Descendant · cites it directly · 0 of its ownK243886 ExpressCore Biopsy DeviceInrad, Inc. · 2025
- Descendant · cites it directly · 0 of its ownK112945 Elitecore Full Core Biopsy Device 18GAX10CM, 18GAX15CM, 18GAX20…Inrad, Inc. · 2011 · Recalled
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 |
|---|---|---|---|---|---|
| −1 | K904987 | Vibronics Auto Core Biopsy Device (Acbd) | Vibronics | 1991 | 2 |
| 0 (this device) | K090611 | Revolution Full Core Biopsy | Inrad | 2009 | — |
| +1 | K243886 | ExpressCore Biopsy Device | Inrad, Inc. | 2025 | — |
| +1 | K112945 | Elitecore Full Core Biopsy Device 18GAX10CM, 18GAX15CM, 18GAX20, with/Hilitier… | Inrad, Inc. | 2011 | 1 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2011 | 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 KNW? 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 KNW device
- #1 K260572 Marrow Marxmanscore 14.5 · 10 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 |
|---|---|---|---|
| * | K904987 | Vibronics Auto Core Biopsy Device (Acbd)Summary page 1…: Gastroenterology-urology biopsy instrument (21 CFR 876.1075, Product code KNW) Name of Predicate(s) or Legally Marketed Device(s) K904987 - Vibronics Auto Core Biopsy Device Also known as: > BioPince ® Full Core Biopsy Instrument (currently sold by… | 1991 |
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)
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 KNW devicesKNW Instrument, Biopsy: FDA decisions, review times, recalls and adverse event reports over 20 years. 2009, this device’s year, is highlighted.
FDA decisions per year · KNW
12in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · KNW
178in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · KNW
1in 2024
Class I (4 since 2007) Class II/III not classified
Adverse event reports per year · KNW
1,667in 2025
MAUDE reports naming product code KNW, 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 | 94 | 1 | 766 |
| 2008 | 4 | 53 | 7 | 363 |
| 2009 | 6 | 35 | 3 | 351 |
| 2010 | 3 | 57 | 2 | 162 |
| 2011 | 10 | 64 | 5 | 67 |
| 2012 | 7 | 94 | 1 | 93 |
| 2013 | 3 | 100 | 1 (1) | 98 |
| 2014 | 8 | 95 | 3 | 193 |
| 2015 | 10 | 106 | 0 | 591 |
| 2016 | 9 | 127 | 5 | 297 |
| 2017 | 8 | 90 | 1 | 760 |
| 2018 | 7 | 71 | 0 | 1,012 |
| 2019 | 5 | 94 | 4 | 4,195 |
| 2020 | 8 | 92 | 0 | 5,120 |
| 2021 | 9 | 54 | 3 | 1,020 |
| 2022 | 8 | 203 | 3 | 535 |
| 2023 | 7 | 164 | 2 | 931 |
| 2024 | 5 | 114 | 1 | 1,283 |
| 2025 | 12 | 178 | 0 | 1,667 |
| 2026 | 7 | 29 | 4 (3) | — |
What is it indicated for?
The device is intended for use in obtaining biopsies from soft tissues such as liver, breast, kidney, prostate, spleen, lymph nodes and various soft tissue tumors.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K090611 · printed Nov 5, 2026
Cite this page
510(k) Report. “K090611: Revolution Full Core Biopsy.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K090611
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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