510(k) Report

510(k) · Cleared

Cleared

Periflux PF4001 Laser Doppler Flowmeter

K922368510(k) TraditionalCleared Feb 3, 1993259-day reviewClass II21 CFR 870.2100

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

Perimed, Inc. · DPW Flowmeter, Blood, Cardiovascular

Cleared on Feb 3, 1993 after a 259-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known. 3 later devices descend from it.

Decided
Feb 3, 1993
Review
259 days
Class
Class II
Product code
DPW
Recalls
None
Predicates
0

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

Descendants, by year cleared 1998: 1 descendant cleared2016: 1 descendant cleared2025: 1 descendant cleared1990200020102020
  1. This deviceK922368 Periflux PF4001 Laser Doppler FlowmeterPerimed, Inc. · 1993
  2. Descendant · cites it directly · 2 of its ownK974285 Periflux System 5000 Modular Laser Doppler System Main Unit Model PF…Perimed, Inc. · 1998
  3. Descendant · 2 generations on · 1 of its ownK152930 PeriFlux6000Perimed AB · 2016
  4. Descendant · 2 generations on · 0 of its ownK243852 Elfor-LElfi-Tech, Ltd. · 2025

Most influential descendants

Showing 3 of 3 · See all
  • K974285Periflux System 5000 Modular Laser Doppler System Main Unit Model PF 5001, Including PF…Perimed, Inc. · 1998 · cites it directly2descendants
  • K152930PeriFlux6000Perimed AB · 2016 · 2 generations on1descendant
  • K243852Elfor-LElfi-Tech, Ltd. · 2025 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K922368Periflux PF4001 Laser Doppler FlowmeterPerimed, Inc.1993—
+1K974285Periflux System 5000 Modular Laser Doppler System Main Unit Model PF 5001…Perimed, Inc.1998—
+2K152930PeriFlux6000Perimed AB2016—
+2K243852Elfor-LElfi-Tech, Ltd.2025—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199810
201610
202510
FIG. 1 — Lineage of K922368, 1993–2025Source: 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), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in DPW? 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 DPW device

  1. #1 K251114 FloPatch FP120score 13.7 · 5 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? (3)

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

NumberDeviceApplicantDecidedDescendants
K974285Periflux System 5000 Modular Laser Doppler System Main Unit Model PF 5001, Including PF…Perimed, Inc.19982

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, K974285 (Perimed, Inc., 1998) has gone furthest, with 2 descendants of its own.

How does its category compare?

All DPW devices

DPW Flowmeter, Blood, Cardiovascular: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · DPW

3in 2025

2007: 12008: 12010: 22011: 42012: 12013: 22015: 32016: 12018: 22019: 32020: 22021: 22022: 32023: 12024: 12025: 32026 (partial year): 2
2007high 4 (2011) · low 0 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DPW

119in 2025

2011: 89 days median2015: 275 days median2019: 169 days median2022: 136 days median2025: 119 days median
2007high 275 (2015) · low 89 (2011)2026

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

Recalls per year · DPW

1in 2025

2007: 42010: 12012: 12017: 12025: 1
2007high 4 (2007) · low 0 (2008)2026

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

Adverse event reports per year · DPW

6in 2025

2009: 12011: 12013: 32014: 82015: 122016: 12017: 22019: 32020: 42021: 62022: 12023: 22024: 42025: 6
2007high 12 (2015) · low 0 (2007)2025

MAUDE reports naming product code DPW, 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
20071—40
20081—00
20090—01
20102—10
201148901
20121—10
20132—03
20140—08
20153275012
20161—01
20170—12
20182—00
2019316903
20202—04
20212—06
2022313601
20231—02
20241—04
2025311916
20262—0—
Cite this page

510(k) Report. “K922368: Periflux PF4001 Laser Doppler Flowmeter.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K922368

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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