510(k) Report

510(k) · Cleared

Cleared

Provox Nid Voice Rehabilitation System, Model Ref 7101 to 7134

K043138510(k) SpecialCleared Nov 22, 200410-day reviewClass II21 CFR 874.3730

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

Atos Medical AB · EWL Prosthesis, Laryngeal (Taub)

Cleared on Nov 22, 2004 as substantially equivalent to K971244 (Atos Medical AB, 1997) and 1 other predicate after a 10-day review. Its family tree reaches back 1 generation to 1982.

Decided
Nov 22, 2004
Review
10 days
Class
Class II
Product code
EWL
Recalls
None
Predicates
2

Its longest line of descent runs back 1 generation to K821568 (1982). 2 ancestors in all. No later device cites it as a predicate yet.

Other ancestors, by year cleared 1997: 1 other ancestorK821568 · Blow-Singer Tracheostoma Valve · Bivona Medical Technologies · 1982 · recalled198019851990199520002005
Other ancestors, by generation 1 generation back: 1 other ancestor K821568 · Blow-Singer Tracheostoma Valve · Bivona Medical Technologies · 1982 · recalled0
  1. Root · 1 generation backK821568 Blow-Singer Tracheostoma ValveBivona Medical Technologies · 1982 · Recalled
  2. This deviceK043138 Provox Nid Voice Rehabilitation System, Model Ref 7101 to 7134Atos Medical AB · 2004
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K821568Blow-Singer Tracheostoma ValveBivona Medical Technologies19821
0 (this device)K043138Provox Nid Voice Rehabilitation System, Model Ref 7101 to 7134Atos Medical AB2004—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199710
FIG. 1 — Lineage of K043138, 1982–2004Source: 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 EWL? 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 EWL device

  1. #1 K240763 FirstFit Surgical Kitscore 9.1 · 3 generations · no Class I recall
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What was it cleared against? (2)

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
*K971244Provox 2 Voice Prosthesis System
Summary page 2
…Page 2 of 3 Predicate Provox®2 Voice Prosthesis System Devices 5 10(k) Number: K971244 Atos Medical AB, Sweden Blom-Singer Low Pressure Voice Prosthesis 5 10O…
Atos Medical AB1997—
*K821568Blow-Singer Tracheostoma Valve
Summary page 2
…(k) Number: K971244 Atos Medical AB, Sweden Blom-Singer Low Pressure Voice Prosthesis 5 10O(k) Number: K821568 Inhealth Technologies, USA Intended Use The Provox NID voice rehabilitation system is intended for use…
Bivona Medical Technologies19821

Also cleared against K971244: 2 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?

  • 1 of the 2 ancestors has a recall of any class.
  • 2 other devices also cite its predicate K971244.

How does its category compare?

All EWL devices

EWL Prosthesis, Laryngeal (Taub): FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · EWL

1in 2024

2008: 12009: 12010: 22013: 12014: 12024: 1
2007high 2 (2010) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · EWL

Too few EWL 510(k)s in any year since 2007 to give a median.

Recalls per year · EWL

2so far in 2026, the most since 2007

2013: 12026 (partial year): 2
2007high 2 (2026) · low 0 (2007)2026

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

Adverse event reports per year · EWL

12in 2025

2007: 212008: 102009: 62010: 42012: 42013: 52014: 72015: 112016: 162017: 152019: 72020: 22021: 72022: 52023: 42024: 82025: 12
2007high 21 (2007) · low 0 (2011)2025

MAUDE reports naming product code EWL, 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
20070—021
20081—010
20091—06
20102—04
20110—00
20120—04
20131—15
20141—07
20150—011
20160—016
20170—015
20180—00
20190—07
20200—02
20210—07
20220—05
20230—04
20241—08
20250—012
20260—2—

What is it indicated for?

The Provox® NIDTM Voice Rehabilitation System is intended for use in prosthetic voice rehabilitation after total laryngectomy only by patients who have been trained in the use of the device and, as assessed by the clinician who prescribes the device, have demonstrated the ability to understand and consistently follow the Instructions for Use without clinician supervision.

The Provox NID is intended for single patient use.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K043138: Provox Nid Voice Rehabilitation System, Model Ref 7101 to 7134.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K043138

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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