510(k) Report

510(k) · Cleared

Cleared

Tubing Blood Flow Meter Model Number HD-800

K982986510(k) TraditionalCleared Nov 24, 199890-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 Technology, Inc. · DPW Flowmeter, Blood, Cardiovascular

Cleared on Nov 24, 1998 as substantially equivalent to K872048 (Transonic Systems, Inc., 1988) after a 90-day review. Its family tree reaches back 1 generation to 1988.

Decided
Nov 24, 1998
Review
90 days
Class
Class II
Product code
DPW
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K872048 (1988). No later device cites it as a predicate yet.

K872048 · Transonic Flowmeter · Transonic Systems, Inc. · 1988 · recalled1985199019952000
  1. Root · 1 generation backK872048 Transonic FlowmeterTransonic Systems, Inc. · 1988 · Recalled
  2. This deviceK982986 Tubing Blood Flow Meter Model Number HD-800Koven Technology, Inc. · 1998
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K872048Transonic FlowmeterTransonic Systems, Inc.198810
0 (this device)K982986Tubing Blood Flow Meter Model Number HD-800Koven Technology, Inc.1998—
FIG. 1 — Lineage of K982986, 1988–1998Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), 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
Get a 510(k) Report

What was it cleared against? (1)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K872048Transonic Flowmeter
Summary page 1
…ow Detector. Classification Name: Cardiovascular Blood Flowmeter, 74-DPW. . PREDICATE DEVICE. Transonic Systems Inc., Transonic Flowmeter--Models HT107, HT207, and 311--K872048, SE decision 6/21/88. . DEVICE DESCRIPTION. General: The subject device is a compact, continuous-wave Doppler ultrasound blood v…
Transonic Systems, Inc.198810

Also cleared against K872048: 3 other devices →

What descends from it?

No later submission names this one as a predicate yet.

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?

  • Its one ancestor has a recall.
  • 3 other devices also cite its predicate K872048.

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—

What is it indicated for?

The Model HD-800 Tubing Blood Flow Meter is indicated for the measurement of volume blood flow through extracorporeal tubing during the performance of hemodialysis and cardiopulmonary bypass procedures.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K982986: Tubing Blood Flow Meter Model Number HD-800.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K982986

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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