510(k) Report

510(k) · Cleared

Cleared

Contour Flex Valves (Regular & Small)

K954285510(k) TraditionalCleared Jan 26, 1996134-day reviewClass II21 CFR 882.5550

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Radionics, Inc. · JXG Shunt, Central Nervous System And Components

Cleared on Jan 26, 1996 after a 134-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 7 later devices descend from it.

Decided
Jan 26, 1996
Review
134 days
Class
Class II
Product code
JXG
Recalls
None
Predicates
0

7 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 2003: 1 descendant cleared2010: 1 descendant cleared2017: 1 descendant cleared2004: 1 descendant cleared2015: 1 descendant cleared2022: 2 descendants cleared1995200020052010201520202025
  1. This deviceK954285 Contour Flex Valves (Regular & Small)Radionics, Inc. · 1996
  2. Descendant · cites it directly · 6 of its ownK033698 Contour-Flex Valve and Shunt SystemIntegra Neurosciences Implants S.A. · 2003 · Recalled
  3. Descendant · 2 generations on · 2 of its ownK172006 Alivio Ventricular Catheter and Flusher System (Alivio System)Alcyone Lifesciences, Inc. · 2017
  4. Descendant · 3 generations on · 1 of its ownK221918 ReFlow System MiniAnuncia Medical, Inc. · 2022
  5. Descendant · 2 generations on · 1 of its ownK093968 Osv II Low Flow Low Pro ValveIntegra LifeSciences Corporation · 2010
  6. Descendant · 4 generations on · 0 of its ownK223603 Reflow System Mini and ReFlow Mini FlusherAnuncia Medical, Inc. · 2022

Showing 5 of 7 descendants. See all descendants

Descendants cleared per year

2003: 12004: 12010: 12015: 12017: 12022: 2
2003high 2 (2022) · low 0 (2005)2026

Most influential descendants

Showing 5 of 7 · See all
  • K033698Contour-Flex Valve and Shunt SystemIntegra Neurosciences Implants S.A. · 2003 · cites it directly6descendants
  • K172006Alivio Ventricular Catheter and Flusher System (Alivio System)Alcyone Lifesciences, Inc. · 2017 · 2 generations on2descendants
  • K221918ReFlow System MiniAnuncia Medical, Inc. · 2022 · 3 generations on1descendant
  • K093968Osv II Low Flow Low Pro ValveIntegra LifeSciences Corporation · 2010 · 2 generations on1descendant
  • K223603Reflow System Mini and ReFlow Mini FlusherAnuncia Medical, Inc. · 2022 · 4 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K954285Contour Flex Valves (Regular & Small)Radionics, Inc.1996—
+1K033698Contour-Flex Valve and Shunt SystemIntegra Neurosciences Implants S.A.20031
+2K172006Alivio Ventricular Catheter and Flusher System (Alivio System)Alcyone Lifesciences, Inc.2017—
+3K221918ReFlow System MiniAnuncia Medical, Inc.2022—
+2K093968Osv II Low Flow Low Pro ValveIntegra LifeSciences Corporation2010—
+4K223603Reflow System Mini and ReFlow Mini FlusherAnuncia Medical, Inc.2022—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200310
200410
201010
201510
201710
202220
FIG. 1 — Lineage of K954285, 1996–2022Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in JXG? 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 JXG device

  1. #1 K243531 Codman Libertís Shunt Catheter with Bactiseal…score 11.9 · 8 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

What was it cleared against?

FDA has not posted a summary or statement for it, so its predicates are not known.

What descends from it? (7)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K033698Contour-Flex Valve and Shunt SystemIntegra Neurosciences Implants S.A.20036

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?

  • Of its descendants, K033698 (Integra Neurosciences Implants S.A., 2003) has gone furthest, with 6 descendants of its own.

How does its category compare?

All JXG devices

JXG Shunt, Central Nervous System And Components: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · JXG

8in 2025

2007: 32008: 62009: 52010: 32011: 72012: 32013: 32015: 62016: 62017: 72018: 62019: 42020: 22021: 12022: 42023: 52024: 32025: 82026 (partial year): 2
2007high 8 (2025) · low 0 (2014)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · JXG

255in 2025

2007: 184 days median2008: 60 days median2009: 106 days median2010: 30 days median2011: 136 days median2012: 78 days median2013: 108 days median2015: 276 days median2016: 143 days median2017: 90 days median2018: 102 days median2019: 101 days median2022: 101 days median2023: 134 days median2024: 90 days median2025: 255 days median
2007high 276 (2015) · low 30 (2010)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · JXG

3in 2024

2008: 12009: 302011: 52012: 12013: 142014: 62017: 12020: 82023: 22024: 32026 (partial year): 1
2007high 30 (2009) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · JXG

1,198in 2025

2007: 6492008: 6302009: 6292010: 8122011: 7872012: 9772013: 1,0042014: 1,2512015: 9842016: 1,0912017: 1,3352018: 1,4842019: 1,2952020: 1,2062021: 1,4672022: 1,3292023: 1,2212024: 1,2142025: 1,198
2007high 1,484 (2018) · low 629 (2009)2025

MAUDE reports naming product code JXG, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
200731840649
20086601630
2009510630629
20103300812
201171365787
20123781977
20133108141,004
20140—61,251
201562760984
2016614301,091
201779011,335
2018610201,484
2019410101,295
20202—81,206
20211—01,467
2022410101,329
2023513421,221
202439031,214
2025825501,198
20262—1—
Cite this page

510(k) Report. “K954285: Contour Flex Valves (Regular & Small).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K954285

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

Record history
  • FDA decision record loaded May 2, 2026
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026