510(k) Report

510(k) · Cleared

Cleared

Medpulse Respiratory Vest System, Model 1000

K982889510(k) TraditionalCleared Jun 1, 1999288-day reviewClass II21 CFR 868.5665

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

Electromed, Inc. · BYI Percussor, Powered-Electric

Cleared on Jun 1, 1999 as substantially equivalent to K884098 (American Biosystems, Inc., 1988) after a 288-day review. Its family tree reaches back 1 generation to 1988. 11 later devices descend from it.

Decided
Jun 1, 1999
Review
288 days
Class
Class II
Product code
BYI
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K884098 (1988). 11 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 2004: 1 descendant cleared2007: 1 descendant cleared2005: 1 descendant cleared2014: 1 descendant cleared2010: 1 descendant cleared2013: 2 descendants cleared2011: 1 descendant cleared2025: 1 descendant cleared2026: 1 descendant cleared2022: 1 descendant clearedK884098 · Thairapy (TM) Bronchial Drainage System, Model 101 · American Biosystems, Inc. · 19881990200020102020
Descendants, by generation 1 generation forward: 2 descendants2 generations forward: 3 descendants3 generations forward: 3 descendants4 generations forward: 3 descendants K884098 · Thairapy (TM) Bronchial Drainage System, Model 101 · American Biosystems, Inc. · 19880
  1. Root · 1 generation backK884098 Thairapy (TM) Bronchial Drainage System, Model 101American Biosystems, Inc. · 1988
  2. This deviceK982889 Medpulse Respiratory Vest System, Model 1000Electromed, Inc. · 1999
  3. Descendant · cites it directly · 6 of its ownK040367 Medpulse Respiratory Vest System, Model 2000EZElectromed, Inc. · 2004
  4. Descendant · 2 generations on · 5 of its ownK053248 Smartvest Airway Clearance System, Model TLElectromed, Inc. · 2005
  5. Descendant · cites it directly · 3 of its ownK063645 Frequencer, Model 1001Dymedso, Inc. · 2007
  6. Descendant · 3 generations on · 2 of its ownK122480 International Biophysics Corporation AfflovestInternational Biophysics Corporation · 2013
  7. Descendant · 2 generations on · 2 of its ownK100749 Frequencer Model V2XDymedso, Inc. · 2010

Showing 5 of 11 descendants. See all descendants

Descendants cleared per year

2004: 12005: 12007: 12010: 12011: 12013: 22014: 12022: 12025: 12026: 1
2004high 2 (2013) · low 0 (2006)2026

Most influential descendants

Showing 5 of 11 · See all
  • K040367Medpulse Respiratory Vest System, Model 2000EZElectromed, Inc. · 2004 · cites it directly6descendants
  • K053248Smartvest Airway Clearance System, Model TLElectromed, Inc. · 2005 · 2 generations on5descendants
  • K063645Frequencer, Model 1001Dymedso, Inc. · 2007 · cites it directly3descendants
  • K122480International Biophysics Corporation AfflovestInternational Biophysics Corporation · 2013 · 3 generations on2descendants
  • K100749Frequencer Model V2XDymedso, Inc. · 2010 · 2 generations on2descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K884098Thairapy (TM) Bronchial Drainage System, Model 101American Biosystems, Inc.1988—
0 (this device)K982889Medpulse Respiratory Vest System, Model 1000Electromed, Inc.1999—
+1K040367Medpulse Respiratory Vest System, Model 2000EZElectromed, Inc.2004—
+2K053248Smartvest Airway Clearance System, Model TLElectromed, Inc.2005—
+1K063645Frequencer, Model 1001Dymedso, Inc.2007—
+3K122480International Biophysics Corporation AfflovestInternational Biophysics Corporation2013—
+2K100749Frequencer Model V2XDymedso, Inc.2010—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200410
200510
200710
201010
201110
201320
201410
202210
202510
202610
FIG. 1 — Lineage of K982889, 1988–2026Source: 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), 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 BYI? 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 BYI device

  1. #1 K252849 AffloVest® Mobile Airway Clearance Therapyscore 12.5 · 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? (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
*K884098Thairapy (TM) Bronchial Drainage System, Model 101
Summary page 1
…RespiratoryVest System Common Name: Powered Percussor Classification: Powered Percussor-Electric (21 CFR 868.5665) Class I1 Predicate Device: ThAIRapyR Vest System, #K884098 Description of Device: The Medpulse™ Respiratory Vest System is a high frequency chest wall oscillation device designed to aid i…
American Biosystems, Inc.1988—

Also cleared against K884098: 2 other devices →

What descends from it? (11)

See all 11

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

NumberDeviceApplicantDecidedDescendants
K040367Medpulse Respiratory Vest System, Model 2000EZElectromed, Inc.20046
K063645Frequencer, Model 1001Dymedso, Inc.20073

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 no recall.
  • Of its descendants, K040367 (Electromed, Inc., 2004) has gone furthest, with 6 descendants of its own.
  • 2 other devices also cite its predicate K884098.

How does its category compare?

All BYI devices

BYI Percussor, Powered-Electric: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · BYI

1in 2025

2007: 12010: 12011: 12012: 12013: 32015: 12017: 12018: 12021: 22022: 12024: 32025: 12026 (partial year): 1
2007high 3 (2013) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · BYI

157in 2024

2013: 225 days median2024: 157 days median
2007high 225 (2013) · low 157 (2024)2026

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

Recalls per year · BYI

1in 2017

2014: 12017: 1
2007high 1 (2014) · low 0 (2007)2026

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

Adverse event reports per year · BYI

38in 2025

2007: 82008: 52009: 82010: 72011: 172012: 82013: 62014: 102015: 42016: 42017: 42018: 92019: 62020: 42021: 152022: 162023: 92024: 192025: 38
2007high 38 (2025) · low 4 (2015)2025

MAUDE reports naming product code BYI, 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—08
20080—05
20090—08
20101—07
20111—017
20121—08
2013322506
20140—110
20151—04
20160—04
20171—14
20181—09
20190—06
20200—04
20212—015
20221—016
20230—09
20243157019
20251—038
20261—0—

What is it indicated for?

The Electromed Medpulse™ RespiratoryVest System is designed specifically to deliver high-frequency chest wall oscillation to promote airway clearance and improve bronchial drainage. The Medpulse™ Respiratory Vest System is indicated when external chest manipulation is the physician’s treatment of choice to enhance mucus transport.

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. “K982889: Medpulse Respiratory Vest System, Model 1000.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K982889

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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