510(k) Report

510(k) · Cleared

Cleared

NewPrim System

K191966510(k) TraditionalCleared Feb 13, 2020205-day reviewClass II21 CFR 888.3720

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

Brm Extremities · KWH Prosthesis, Toe, Constrained, Polymer

Cleared on Feb 13, 2020 as substantially equivalent to K153609 (In2bones USA, LLC, 2016) after a 205-day review. Its family tree reaches back 3 generations to 1978.

Decided
Feb 13, 2020
Review
205 days
Class
Class II
Product code
KWH
Recalls
None
Predicates
1

Its longest line of descent runs back 3 generations to K780132 (1978). No later device cites it as a predicate yet.

  1. Root · 3 generations backK780132 Implant, Hinge Toe, Flex.Dow Corning Corp. Healthcare Industries Materials · 1978
  2. 2 generations backK981194 Futura Biomedical Flexible Great Toe ImplantNexa Orthopedics, Inc. · 1998
  3. 1 generation backK153609 RTS Flexible 1 MPJ Implant w/GrommetsIn2bones USA, LLC · 2016
  4. This deviceK191966 NewPrim SystemBrm Extremities · 2020
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K780132Implant, Hinge Toe, Flex.Dow Corning Corp. Healthcare Industries Materials1978—
−2K981194Futura Biomedical Flexible Great Toe ImplantNexa Orthopedics, Inc.1998—
−1K153609RTS Flexible 1 MPJ Implant w/GrommetsIn2bones USA, LLC2016—
0 (this device)K191966NewPrim SystemBrm Extremities2020—
FIG. 1 — Lineage of K191966, 1978–2020Source: 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 KWH? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

  • Candidate predicates for a device like this, rankedin the report
  • Recall history across each candidate’s familyin 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
*K153609RTS Flexible 1 MPJ Implant w/Grommets
Summary page 5
…l and base of the proximal phalanx. Predicate Devices: The NewPrim system is substantially equivalent to the primary predicate RTS Flexible 1st MPJ Implant w/ Grommets (K153609) and reference predicate Integra Classic Great Toe Implant (K023562). Substantial Equivalence: The NewPrim System and the legall…
In2bones USA, LLC2016—
†K023562Modification to Classic Great Toe ImplantNexa Orthopedics, Inc.2002—

Also cleared against K153609: 1 other device →

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?

  • The line of descent spans 42 years and passes through 4 companies; a new generation was cleared every 18.2 years on median.
  • None of the 3 ancestors has a recall.
  • 1 other device also cites its predicate K153609.

How does its category compare?

All KWH devices

KWH Prosthesis, Toe, Constrained, Polymer: FDA decisions, review times, recalls and adverse event reports over 20 years. 2020, this device’s year, is highlighted.

FDA decisions per year · KWH

1in 2020

2011: 12016: 12018: 12019: 12020: 1
2007high 1 (2011) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KWH

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

Recalls per year · KWH

2in 2009

2009: 2
2007high 2 (2009) · low 0 (2007)2026

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

Adverse event reports per year · KWH

8in 2025

2007: 22008: 42009: 52010: 32011: 22012: 62013: 52014: 62015: 62016: 62017: 32018: 72019: 152020: 82021: 52022: 52023: 62024: 22025: 8
2007high 15 (2019) · low 2 (2007)2025

MAUDE reports naming product code KWH, 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—02
20080—04
20090—25
20100—03
20111—02
20120—06
20130—05
20140—06
20150—06
20161—06
20170—03
20181—07
20191—015
20201—08
20210—05
20220—05
20230—06
20240—02
20250—08
20260—0—

What is it indicated for?

The BRM Extremities NewPrim device is intended for use in:

- Hallux rigidus or hallux limitus;

- Painful rheumatoid arthritis;

- Hallux abducto valgus associated with arthritis;

- Unstable or painful joint from previous surgery

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. “K191966: NewPrim System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K191966

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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