510(k) Report

510(k) · Cleared

Cleared

Therapep

K983467510(k) TraditionalCleared Apr 2, 1999189-day reviewClass II21 CFR 868.5690

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

Dhd Healthcare Corp. · BWF Spirometer, Therapeutic (Incentive)

Cleared on Apr 2, 1999 as substantially equivalent to K954492 (Mercury Medical, 1996) after a 189-day review. Its family tree reaches back 1 generation to 1996. 7 later devices descend from it.

Decided
Apr 2, 1999
Review
189 days
Class
Class II
Product code
BWF
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K954492 (1996). 7 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 1999: 1 descendant cleared2009: 1 descendant cleared2014: 2 descendants cleared2016: 1 descendant cleared2024: 1 descendant cleared2021: 1 descendant clearedReference device: K953206 · DHD Metered Dose Inhaler (Mdi) Spacer (Modification) · Dhd Diemolding Healthcare Div. · 1995K954492 · Mercury Medical Expiratory Resistance Exerciser, Resistex · Mercury Medical · 19961995200020052010201520202025
Descendants, by generation 1 generation forward: 2 descendants2 generations forward: 4 descendants3 generations forward: 1 descendant K954492 · Mercury Medical Expiratory Resistance Exerciser, Resistex · Mercury Medical · 19960
  1. Root · 1 generation backK954492 Mercury Medical Expiratory Resistance Exerciser, ResistexMercury Medical · 1996
  2. This deviceK983467 TherapepDhd Healthcare Corp. · 1999
  3. Descendant · cites it directly · 5 of its ownK991561 Roadrunner, Pep Therapy DeviceDhd Healthcare Corp. · 1999
  4. Descendant · 2 generations on · 1 of its ownK140772 Aerosure MedicActegy, Ltd. · 2014
  5. Descendant · 2 generations on · 0 of its ownK233855 AllPEPEnchant Tek Co., Ltd. · 2024
  6. Descendant · 3 generations on · 0 of its ownK203378 PulsehalerRespinova, Ltd. · 2021
  7. Descendant · 2 generations on · 0 of its ownK160636 iPEP System and vPEPD R Burton Healthcare, LLC · 2016

Showing 5 of 7 descendants. See all descendants

Descendants cleared per year

1999: 12009: 12014: 22016: 12021: 12024: 1
1999high 2 (2014) · low 0 (2000)2026

Most influential descendants

Showing 5 of 7 · See all
  • K991561Roadrunner, Pep Therapy DeviceDhd Healthcare Corp. · 1999 · cites it directly5descendants
  • K140772Aerosure MedicActegy, Ltd. · 2014 · 2 generations on1descendant
  • K233855AllPEPEnchant Tek Co., Ltd. · 2024 · 2 generations on0descendants
  • K203378PulsehalerRespinova, Ltd. · 2021 · 3 generations on0descendants
  • K160636iPEP System and vPEPD R Burton Healthcare, LLC · 2016 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K954492Mercury Medical Expiratory Resistance Exerciser, ResistexMercury Medical1996—
0 (this device)K983467TherapepDhd Healthcare Corp.1999—
+1K991561Roadrunner, Pep Therapy DeviceDhd Healthcare Corp.1999—
+2K140772Aerosure MedicActegy, Ltd.2014—
+2K233855AllPEPEnchant Tek Co., Ltd.2024—
+3K203378PulsehalerRespinova, Ltd.2021—
+2K160636iPEP System and vPEPD R Burton Healthcare, LLC2016—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199910
200910
201420
201610
202110
202410
FIG. 1 — Lineage of K983467, 1996–2024Source: 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 BWF? 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 BWF device

  1. #1 K241152 InSeescore 9.9 · 1 generation · 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
*K954492Mercury Medical Expiratory Resistance Exerciser, Resistex
Summary page 1
…® Kits . Common name - Positive Expiratory Pressure (PEP) Kit with Nebulizer . Classification name - Incentive Spirometer - 868.5690 Predicate Device: RESISTEX® 510(K) k954492 Device Description The DHD TheraPEP® is a single-patient-use Respiratory Therapy device. The standard system consists of a resis…
Mercury Medical1996—
†K953206DHD Metered Dose Inhaler (Mdi) Spacer (Modification)Dhd Diemolding Healthcare Div.1995—

Also cleared against K954492: 1 other device →

What descends from it? (7)

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

NumberDeviceApplicantDecidedDescendants
K991561Roadrunner, Pep Therapy DeviceDhd Healthcare Corp.19995
K090829Pari Pep SPari Respiratory Equipment, Inc.20090

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, K991561 (Dhd Healthcare Corp., 1999) has gone furthest, with 5 descendants of its own.
  • 1 other device also cites its predicate K954492.

How does its category compare?

All BWF devices

BWF Spirometer, Therapeutic (Incentive): FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · BWF

1in 2025

2007: 12009: 22010: 12013: 12014: 32015: 12016: 32017: 32018: 12019: 32020: 12021: 12022: 12023: 22024: 12025: 1
2007high 3 (2014) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · BWF

281in 2019

2014: 105 days median2016: 149 days median2017: 136 days median2019: 281 days median
2007high 281 (2019) · low 105 (2014)2026

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

Recalls per year · BWF

1in 2020

2020: 1
2007high 1 (2020) · low 0 (2007)2026

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

Adverse event reports per year · BWF

3in 2025

2007: 12008: 22009: 32010: 52011: 392012: 52013: 192014: 52015: 162016: 62017: 72018: 72019: 162020: 52021: 92022: 82024: 112025: 3
2007high 39 (2011) · low 0 (2023)2025

MAUDE reports naming product code BWF, 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—01
20080—02
20092—03
20101—05
20110—039
20120—05
20131—019
2014310505
20151—016
2016314906
2017313607
20181—07
20193281016
20201—15
20211—09
20221—08
20232—00
20241—011
20251—03
20260—0—

What is it indicated for?

The DHD TheraPEP is intended for use as a Positive Expiratory Pressure (PEP) device. It may also be used simultaneously with aerosol drug delivery using a nebulizer or Metered Dose Inhaler (MDI) with spacer.

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. “K983467: Therapep.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K983467

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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