510(k) Report

510(k) · Cleared

Cleared

Polaris Pressure Adjustable Valve System/Polaris Adjustable Valve with Siphonx

K141227510(k) TraditionalCleared Apr 2, 2015325-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

Sophysa SA · JXG Shunt, Central Nervous System And Components

Cleared on Apr 2, 2015 after a 325-day review. FDA’s file for it is a 510(k) statement, which names no predicate. 2 later devices descend from it.

Decided
Apr 2, 2015
Review
325 days
Class
Class II
Product code
JXG
Recalls
None
Predicates
0

2 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 2025: 1 descendant cleared2023: 1 descendant cleared201620182020202220242026
  1. This deviceK141227 Polaris Pressure Adjustable Valve System/Polaris Adjustable Valve…Sophysa SA · 2015
  2. Descendant · cites it directly · 0 of its ownK250636 Sophy Mini Monopressure Valve (SM1)Sophysa · 2025
  3. Descendant · cites it directly · 0 of its ownK222422 Polaris Valve Electronic Reading InstrumentSophysa · 2023

Most influential descendants

Showing 2 of 2 · See all
  • K250636Sophy Mini Monopressure Valve (SM1)Sophysa · 2025 · cites it directly0descendants
  • K222422Polaris Valve Electronic Reading InstrumentSophysa · 2023 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K141227Polaris Pressure Adjustable Valve System/Polaris Adjustable Valve with SiphonxSophysa SA2015—
+1K250636Sophy Mini Monopressure Valve (SM1)Sophysa2025—
+1K222422Polaris Valve Electronic Reading InstrumentSophysa2023—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202310
202510
FIG. 1 — Lineage of K141227, 2015–2025Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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

Sources: FDA 510(k) database (decision fields), the FDA 510(k) statement (indications), 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’s file for it is a 510(k) statement, which names no predicate.

What descends from it? (2)

2 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K250636Sophy Mini Monopressure Valve (SM1)Sophysa20250
K222422Polaris Valve Electronic Reading InstrumentSophysa20230

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, K250636 (Sophysa, 2025) has gone furthest, with 0 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. 2015, this device’s year, is highlighted.

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—

What is it indicated for?

The Polaris® Adjustable Pressure Valve is designed for the treatment of hydrocephalus by shunting the Cerebrospinal Fluid (CSF) to the abdominal cavity or right atrium of the heart.

Indications for use as stated in the FDA 510(k) statement.

Cite this page

510(k) Report. “K141227: Polaris Pressure Adjustable Valve System/Polaris Adjustable Valve with Siphonx.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K141227

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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