510(k) Report

510(k) · Cleared

Cleared

Cons. Current Periph. Nerve Loc. NS232,NS262,NS272

K924234510(k) TraditionalCleared May 27, 1993276-day reviewClass II21 CFR 868.2775

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

Fisher & Paykel Electronics, Ltd. · KOI Stimulator, Nerve, Peripheral, Electric

Cleared on May 27, 1993 after a 276-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known. 1 later device descends from it.

Decided
May 27, 1993
Review
276 days
Class
Class II
Product code
KOI
Recalls
None
Predicates
0

1 later device descends from it, 1 citing it directly.

Descendants, by year cleared 1996: 1 descendant cleared1990200020102020
  1. This deviceK924234 Cons. Current Periph. Nerve Loc. NS232,NS262,NS272Fisher & Paykel Electronics, Ltd. · 1993
  2. Descendant · cites it directly · 0 of its ownK953205 Constant Current Peripheral Nerve Stimulator NS272 (Modification)Fisher & Paykel Healthcare, Ltd. · 1996

Most influential descendants

Showing 1 of 1 · See all
  • K953205Constant Current Peripheral Nerve Stimulator NS272 (Modification)Fisher & Paykel Healthcare, Ltd. · 1996 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K924234Cons. Current Periph. Nerve Loc. NS232,NS262,NS272Fisher & Paykel Electronics, Ltd.1993—
+1K953205Constant Current Peripheral Nerve Stimulator NS272 (Modification)Fisher & Paykel Healthcare, Ltd.1996—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199610
FIG. 1 — Lineage of K924234, 1993–1996Source: 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 KOI? 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 KOI device

  1. #1 K261098 TetraGraph Neuromuscular Transmission Monitor…score 21.1 · 39 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 lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K953205Constant Current Peripheral Nerve Stimulator NS272 (Modification)Fisher & Paykel Healthcare, Ltd.19960

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, K953205 (Fisher & Paykel Healthcare, Ltd., 1996) has gone furthest, with 0 descendants of its own.

How does its category compare?

All KOI devices

KOI Stimulator, Nerve, Peripheral, Electric: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · KOI

2in 2025

2016: 12018: 22019: 12020: 12021: 22022: 32024: 12025: 22026 (partial year): 1
2007high 3 (2022) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KOI

174in 2022

2022: 174 days median
2007high 174 (2022)2026

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

Recalls per year · KOI

No recall names KOI since 2007.

Adverse event reports per year · KOI

5in 2025

2011: 12012: 32013: 22014: 92015: 12018: 12019: 42020: 42021: 32022: 42023: 12024: 22025: 5
2007high 9 (2014) · low 0 (2007)2025

MAUDE reports naming product code KOI, 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
20070—00
20080—00
20090—00
20100—00
20110—01
20120—03
20130—02
20140—09
20150—01
20161—00
20170—00
20182—01
20191—04
20201—04
20212—03
2022317404
20230—01
20241—02
20252—05
20261—0—
Cite this page

510(k) Report. “K924234: Cons. Current Periph. Nerve Loc. NS232,NS262,NS272.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K924234

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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