510(k) · Cleared
ClearedRIST Cath Radial Access Long Sheath
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Rist Neurovascular, Inc. · DQY Catheter, Percutaneous
Cleared on Dec 23, 2019 as substantially equivalent to K152876 (Tni Manufacturing, Inc., 2016) after a 194-day review. Its family tree reaches back 7 generations to 2001. 6 later devices descend from it.
- Decided
- Dec 23, 2019
- Review
- 194 days
- Class
- Class II
- Product code
- DQY
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 7 generations to K010954 (2001). 9 ancestors in all, the oldest K010853 (2001). 6 later devices descend from it, 3 citing it directly.
- Root · 7 generations backK010954 Concentric Balloon Guide Catheter, Model 90031Concentric Medical, Inc. · 2001 · Recalled
- 6 generations backK021899 Concentric Balloon Guide Catheter, Model 90072Concentric Medical, Inc. · 2002 · Recalled
- 5 generations backK053491 Penumbra Balloon Guide Catheter, Model 7.5FPenumbra, Inc. · 2006
- 4 generations backK070970 Neuron Support Catheter System, Model 5F/6FPenumbra, Inc. · 2007 · Recalled
- 3 generations backK082290 Neuron Delivery Catheter 070Penumbra, Inc. · 2008 · Recalled
- 2 generations backK111380 Neuron Max SystemPenumbra, Inc. · 2011
- 1 generation backK152876 Long Sheath or LS, 70 CM, Long Sheath or LS, 80 CM, Long Sheath or…Tni Manufacturing, Inc. · 2016 · Recalled
- This deviceK191551 RIST Cath Radial Access Long SheathRist Neurovascular, Inc. · 2019
- Descendant · cites it directly · 2 of its ownK231393 Radical the Dude 7F Guide CatheterMaduro Medical, Inc. · 2023
- Descendant · cites it directly · 2 of its ownK211990 Rist 071 Radial Access Guide CatheterMicro Therapeutics, Inc. d/b/a ev3 Neurovascular · 2021
- Descendant · cites it directly · 1 of its ownK241388 Rist 079 Radial Access Guide Catheter; Rist 071 Radial Access Guide…Micro Therapeutics, Inc. d/b/a ev3 Neurovascular · 2025
- Descendant · 2 generations on · 0 of its ownK254178 SAYA 86 Radial Access Guide CatheterAsahi Intecc Co., Ltd. · 2026
- Descendant · 2 generations on · 0 of its ownK253975 Radical 6F Access CatheterMaduro Medical, Inc. · 2026
Showing 5 of 6 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 6 · See all- K231393Radical the Dude 7F Guide CatheterMaduro Medical, Inc. · 2023 · cites it directly2descendants
- K211990Rist 071 Radial Access Guide CatheterMicro Therapeutics, Inc. d/b/a ev3 Neurovascular · 2021 · cites it directly2descendants
- K241388Rist 079 Radial Access Guide Catheter; Rist 071 Radial Access Guide Catheter; Rist…Micro Therapeutics, Inc. d/b/a ev3 Neurovascular · 2025 · cites it directly1descendant
- K254178SAYA 86 Radial Access Guide CatheterAsahi Intecc Co., Ltd. · 2026 · 2 generations on0descendants
- K253975Radical 6F Access CatheterMaduro Medical, Inc. · 2026 · 2 generations on0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −7 | K010954 | Concentric Balloon Guide Catheter, Model 90031 | Concentric Medical, Inc. | 2001 | 1 |
| −6 | K021899 | Concentric Balloon Guide Catheter, Model 90072 | Concentric Medical, Inc. | 2002 | 1 |
| −5 | K053491 | Penumbra Balloon Guide Catheter, Model 7.5F | Penumbra, Inc. | 2006 | — |
| −4 | K070970 | Neuron Support Catheter System, Model 5F/6F | Penumbra, Inc. | 2007 | 1 |
| −3 | K082290 | Neuron Delivery Catheter 070 | Penumbra, Inc. | 2008 | 1 |
| −2 | K111380 | Neuron Max System | Penumbra, Inc. | 2011 | — |
| −1 | K152876 | Long Sheath or LS, 70 CM, Long Sheath or LS, 80 CM, Long Sheath or LS, 90 CM | Tni Manufacturing, Inc. | 2016 | 1 |
| 0 (this device) | K191551 | RIST Cath Radial Access Long Sheath | Rist Neurovascular, Inc. | 2019 | — |
| +1 | K231393 | Radical the Dude 7F Guide Catheter | Maduro Medical, Inc. | 2023 | — |
| +1 | K211990 | Rist 071 Radial Access Guide Catheter | Micro Therapeutics, Inc. d/b/a ev3 Neurovascular | 2021 | — |
| +1 | K241388 | Rist 079 Radial Access Guide Catheter; Rist 071 Radial Access Guide Catheter… | Micro Therapeutics, Inc. d/b/a ev3 Neurovascular | 2025 | — |
| +2 | K254178 | SAYA 86 Radial Access Guide Catheter | Asahi Intecc Co., Ltd. | 2026 | — |
| +2 | K253975 | Radical 6F Access Catheter | Maduro Medical, Inc. | 2026 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2001 | 1 | 0 |
| 2008 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2021 | 1 | 0 |
| 2023 | 1 | 0 |
| 2025 | 2 | 0 |
| 2026 | 2 | 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 DQY? 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 DQY device
- #1 K234115 APRO 55 Catheterscore 17.5 · 6 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 |
|---|---|---|---|
| * | K152876 | Long Sheath or LS, 70 CM, Long Sheath or LS, 80 CM, Long Sheath or LS, 90 CMSummary page 4…s: Class II Product Panel: Cardiovascular Product Code: DQY Predicate Device: Stryker AXS Infinity # K 152876 Reference Predicate: Terumo Glidesheath Slender # K173831… | 2016 |
| † | K173831 | Glidesheath Slender | 2018 |
What descends from it? (6)
3 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?
- The line of descent spans 18 years and passes through 4 companies; a new generation was cleared every 2.7 years on median.
- 7 of the 9 ancestors have a recall of any class.
- Of its descendants, K231393 (Maduro Medical, Inc., 2023) has gone furthest, with 2 descendants of its own.
- 2 other devices also cite its predicate K152876.
How does its category compare?
All DQY devicesDQY Catheter, Percutaneous: FDA decisions, review times, recalls and adverse event reports over 20 years. 2019, this device’s year, is highlighted.
FDA decisions per year · DQY
21in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · DQY
115in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · DQY
1in 2025
Class I (10 since 2007) Class II/III not classified
Adverse event reports per year · DQY
3,056in 2025
MAUDE reports naming product code DQY, 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 | 85 | 6 | 313 |
| 2008 | 31 | 66 | 12 | 496 |
| 2009 | 37 | 73 | 17 | 819 |
| 2010 | 22 | 74 | 32 | 1,293 |
| 2011 | 36 | 71 | 6 | 1,211 |
| 2012 | 30 | 87 | 2 | 1,191 |
| 2013 | 32 | 92 | 36 (1) | 1,352 |
| 2014 | 19 | 127 | 3 | 1,497 |
| 2015 | 27 | 118 | 3 | 2,337 |
| 2016 | 22 | 117 | 22 (7) | 2,252 |
| 2017 | 26 | 113 | 8 | 2,489 |
| 2018 | 25 | 106 | 2 | 2,855 |
| 2019 | 30 | 111 | 1 | 2,902 |
| 2020 | 20 | 120 | 2 | 2,889 |
| 2021 | 18 | 81 | 2 | 3,006 |
| 2022 | 18 | 74 | 0 | 2,643 |
| 2023 | 18 | 114 | 17 | 3,049 |
| 2024 | 16 | 87 | 1 | 3,190 |
| 2025 | 21 | 115 | 1 (1) | 3,056 |
| 2026 | 11 | 30 | 2 (1) | — |
What is it indicated for?
The RIST Cath Radial Access Long Sheath is indicated for the introduction of interventional devices into the peripheral, coronary, and neuro vasculature.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K191551 · printed Nov 6, 2026
Cite this page
510(k) Report. “K191551: RIST Cath Radial Access Long Sheath.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K191551
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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