510(k) Report

510(k) · Cleared

Cleared

Mini Doppler II Ultrasound Blood Flow Detector

K915550510(k) TraditionalCleared Dec 10, 1992365-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

Koven and Assoc., Inc. · DPW Flowmeter, Blood, Cardiovascular

Cleared on Dec 10, 1992 after a 365-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known. 2 later devices descend from it.

Decided
Dec 10, 1992
Review
365 days
Class
Class II
Product code
DPW
Recalls
None
Predicates
0

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

Descendants, by year cleared 2005: 1 descendant cleared2004: 1 descendant cleared1990200020102020
  1. This deviceK915550 Mini Doppler II Ultrasound Blood Flow DetectorKoven and Assoc., Inc. · 1992
  2. Descendant · cites it directly · 0 of its ownK052209 VCS Doppler Transceiver, Model 09-0023-01Vascular Control Systems, Inc. · 2005
  3. Descendant · cites it directly · 0 of its ownK031931 Echo Sounder EX-101EX 8 MHZKoven Technology, Inc. · 2004

Most influential descendants

Showing 2 of 2 · See all
  • K052209VCS Doppler Transceiver, Model 09-0023-01Vascular Control Systems, Inc. · 2005 · cites it directly0descendants
  • K031931Echo Sounder EX-101EX 8 MHZKoven Technology, Inc. · 2004 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K915550Mini Doppler II Ultrasound Blood Flow DetectorKoven and Assoc., Inc.1992—
+1K052209VCS Doppler Transceiver, Model 09-0023-01Vascular Control Systems, Inc.2005—
+1K031931Echo Sounder EX-101EX 8 MHZKoven Technology, Inc.2004—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200410
200510
FIG. 1 — Lineage of K915550, 1992–2005Source: 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

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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? (2)

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

NumberDeviceApplicantDecidedDescendants
K052209VCS Doppler Transceiver, Model 09-0023-01Vascular Control Systems, Inc.20050
K031931Echo Sounder EX-101EX 8 MHZKoven Technology, Inc.20040

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, K052209 (Vascular Control Systems, Inc., 2005) has gone furthest, with 0 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. “K915550: Mini Doppler II Ultrasound Blood Flow Detector.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K915550

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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