510(k) · Cleared
ClearedSherlock 3CG Tip Positioning System Stylet
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
C.R. Bard, Inc. · LJS Catheter, Intravascular, Therapeutic, Long-Term Greater Than 30 Days
Cleared on Sep 29, 2017 as substantially equivalent to K091324 (C.R. Bard, Inc., 2009) after a 52-day review. Its family tree reaches back 8 generations to 2000.
- Decided
- Sep 29, 2017
- Review
- 52 days
- Class
- Class II
- Product code
- LJS
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 8 generations to K001901 (2000). 29 ancestors in all, the oldest K823434 (1982). No later device cites it as a predicate yet.
- Root · 8 generations backK001901 Poly Per-Q-Cath Picc Catheter,Model 3236100 and Poly Per-Q-Cath…C.R. Bard, Inc. · 2000 · Recalled
- 7 generations backK012902 Poly Per-Q-Cath Single Lumen Picc Catheter, Model 3143100; Poly…C.R. Bard, Inc. · 2001
- 6 generations backK031129 Poly Per-Q-Cath Picc Catheters; Poly RadpiccC.R. Bard, Inc. · 2003
- 5 generations backK034019 Poly Per-Q-Cath Picc CathetersC.R. Bard, Inc. · 2004 · Recalled
- 4 generations backK060341 Sherlock Tip Location System (TLS)C.R. Bard, Inc. · 2006
- 3 generations backK063240 Sherlock TLS Stylet, Sherlock TLS DetectorC.R. Bard, Inc. · 2006 · Recalled
- 2 generations backK081625 Flowpicc StyletVasonova, Inc. · 2008
- 1 generation backK091324 Sherlock 3CG Tip Positioning System, Sherlock 3CG Tip Positioning…C.R. Bard, Inc. · 2009 · Recalled
- This deviceK172397 Sherlock 3CG Tip Positioning System StyletC.R. Bard, Inc. · 2017
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −8 | K001901 | Poly Per-Q-Cath Picc Catheter,Model 3236100 and Poly Per-Q-Cath Midline… | C.R. Bard, Inc. | 2000 | 2 |
| −7 | K012902 | Poly Per-Q-Cath Single Lumen Picc Catheter, Model 3143100; Poly Per-Q-Cath… | C.R. Bard, Inc. | 2001 | — |
| −6 | K031129 | Poly Per-Q-Cath Picc Catheters; Poly Radpicc | C.R. Bard, Inc. | 2003 | — |
| −5 | K034019 | Poly Per-Q-Cath Picc Catheters | C.R. Bard, Inc. | 2004 | 1 |
| −4 | K060341 | Sherlock Tip Location System (TLS) | C.R. Bard, Inc. | 2006 | — |
| −3 | K063240 | Sherlock TLS Stylet, Sherlock TLS Detector | C.R. Bard, Inc. | 2006 | 18 |
| −2 | K081625 | Flowpicc Stylet | Vasonova, Inc. | 2008 | — |
| −1 | K091324 | Sherlock 3CG Tip Positioning System, Sherlock 3CG Tip Positioning System Stylet | C.R. Bard, Inc. | 2009 | 11 |
| 0 (this device) | K172397 | Sherlock 3CG Tip Positioning System Stylet | C.R. Bard, Inc. | 2017 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1982 | 1 | 0 |
| 1986 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 2000 | 1 | 0 |
| 2002 | 2 | 0 |
| 2004 | 1 | 0 |
| 2006 | 1 | 0 |
| 2008 | 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 LJS? 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 LJS device
- #1 K241910 Neonav ECG Tip Location Systemscore 18.0 · 12 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 |
|---|---|---|---|
| * | K091324 | Sherlock 3CG Tip Positioning System, Sherlock 3CG Tip Positioning System StyletSummary page 5…PS) Stylet Classification Name: Percutaneous, Implanted, Long-term Intravascular Catheter Predicate Devices Premarket Notification: K091324 Manufacturer: Bard Access Systems, Inc. The Sherlock 3CG® TPS St… | 2009 |
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 17 years and passes through 2 companies; a new generation was cleared every 1.6 years on median.
- 6 of the 29 ancestors have a recall of any class.
- 3 other devices also cite its predicate K091324.
How does its category compare?
All LJS devicesLJS Catheter, Intravascular, Therapeutic, Long-Term Greater Than 30 Days: FDA decisions, review times, recalls and adverse event reports over 20 years. 2017, this device’s year, is highlighted.
FDA decisions per year · LJS
8in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · LJS
171in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · LJS
5in 2023
Class I (3 since 2007) Class II/III not classified
Adverse event reports per year · LJS
4,372in 2025
MAUDE reports naming product code LJS, 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 | 14 | 92 | 0 | 392 |
| 2008 | 4 | 97 | 1 | 369 |
| 2009 | 16 | 70 | 1 | 379 |
| 2010 | 9 | 114 | 12 | 495 |
| 2011 | 6 | 55 | 4 | 696 |
| 2012 | 14 | 77 | 40 | 564 |
| 2013 | 14 | 31 | 0 | 680 |
| 2014 | 8 | 47 | 15 | 842 |
| 2015 | 7 | 71 | 2 | 1,306 |
| 2016 | 9 | 128 | 18 | 1,123 |
| 2017 | 7 | 101 | 9 | 2,100 |
| 2018 | 10 | 148 | 3 | 2,324 |
| 2019 | 0 | — | 0 | 2,052 |
| 2020 | 2 | — | 0 | 2,539 |
| 2021 | 3 | 284 | 1 | 3,084 |
| 2022 | 3 | 177 | 0 | 3,256 |
| 2023 | 4 | 47 | 5 (2) | 2,799 |
| 2024 | 1 | — | 0 | 4,243 |
| 2025 | 8 | 171 | 0 | 4,372 |
| 2026 | 2 | — | 8 (1) | — |
What is it indicated for?
Catheter stylets provide internal reinforcement to aid in catheter placement. When used with the Sherlock 3CG® Tip Confirmation System (TCS), the Sherlock 3CG® TPS Stylet also provides the placer rapid feedback on catheter tip location and orientation through the use of passive magnets and cardiac electrical signal detection.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K172397 · printed Nov 6, 2026
Cite this page
510(k) Report. “K172397: Sherlock 3CG Tip Positioning System Stylet.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K172397
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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