510(k) Report

510(k) · Cleared

Recalled · Class II · 2021

P-S Medical CSF-Flow Control Valve-Bur

K831678510(k) TraditionalCleared Jun 24, 198332-day reviewClass II21 CFR 882.5550Recalls 1

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

Pudenz-Schulte Medical Research Corp. · JXG Shunt, Central Nervous System And Components

Cleared on Jun 24, 1983 after a 32-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 3 later devices descend from it. It has been recalled once.

Decided
Jun 24, 1983
Review
32 days
Class
Class II
Product code
JXG
Recalls
1
Predicates
0

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

Descendants, by year cleared 2004: 1 descendant cleared2008: 2 descendants cleared19801990200020102020
  1. This deviceK831678 P-S Medical CSF-Flow Control Valve-BurPudenz-Schulte Medical Research Corp. · 1983
  2. Descendant · cites it directly · 1 of its ownK082127 Strata NSC Burr Hole Valve, Model 42335; Shunt Assembly, Model 46635Medtronic Neurosurgery · 2008 · Recalled
  3. Descendant · 2 generations on · 0 of its ownK083076 Strata Burr Hole Valve, Model 42836 and Strata Burr Hole Shunt…Medtronic Neurosurgery · 2008 · Recalled
  4. Descendant · cites it directly · 0 of its ownK042198 PS Medical Neurosurgical ImplantsMedtronic Neurosurgery · 2004

Most influential descendants

Showing 3 of 3 · See all
  • K082127Strata NSC Burr Hole Valve, Model 42335; Shunt Assembly, Model 46635Medtronic Neurosurgery · 2008 · cites it directly1descendant
  • K083076Strata Burr Hole Valve, Model 42836 and Strata Burr Hole Shunt Assembly, Model 46836Medtronic Neurosurgery · 2008 · 2 generations on0descendants
  • K042198PS Medical Neurosurgical ImplantsMedtronic Neurosurgery · 2004 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K831678P-S Medical CSF-Flow Control Valve-BurPudenz-Schulte Medical Research Corp.1983—
+1K082127Strata NSC Burr Hole Valve, Model 42335; Shunt Assembly, Model 46635Medtronic Neurosurgery20081
+2K083076Strata Burr Hole Valve, Model 42836 and Strata Burr Hole Shunt Assembly, Model…Medtronic Neurosurgery20081
+1K042198PS Medical Neurosurgical ImplantsMedtronic Neurosurgery2004—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200410
200820
FIG. 1 — Lineage of K831678, 1983–2008Source: 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), 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
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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? (3)

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

NumberDeviceApplicantDecidedDescendants
K082127Strata NSC Burr Hole Valve, Model 42335; Shunt Assembly, Model 46635Medtronic Neurosurgery20081
K042198PS Medical Neurosurgical ImplantsMedtronic Neurosurgery20040

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Jan 11, 2021Class IIZ-1117-2021Process controlPotential for variation in radiopaque marking visibility under radiographic imaging for adjustable and fixed-pressure valves that are used in the management of hydrocephalus

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • Of its descendants, K082127 (Medtronic Neurosurgery, 2008) has gone furthest, with 1 descendant 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. “K831678: P-S Medical CSF-Flow Control Valve-Bur.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K831678

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