510(k) Report

510(k) · Cleared

Cleared

Tefgen Guided Tissue Membrane

K964656510(k) TraditionalCleared Feb 10, 199782-day reviewClass II21 CFR 872.3930

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

American Custom Medical, Inc. · NPK Barrier, Synthetic, Intraoral

Cleared on Feb 10, 1997 after an 82-day review. The FDA summary names its predicate without a number.

Decided
Feb 10, 1997
Review
82 days
Class
Class II
Product code
NPK
Recalls
None
Predicates
0

The FDA summary names its predicate without a number.

FIG. 1 — Lineage of K964656Source: FDA 510(k) database · 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 NPK? 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 NPK device

  1. #1 K221851 Lumina-PTFE Titaniumscore 7.4 · 4 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? (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
*—TefGen-FD membrane
Named without a submission number
—
*—GORE-TEX augmentation membrane
Named without a submission number
—

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.

How does its category compare?

All NPK devices

NPK Barrier, Synthetic, Intraoral: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · NPK

3in 2023

2009: 12010: 22011: 12013: 12015: 22016: 12017: 12021: 12022: 12023: 3
2007high 3 (2023) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · NPK

529in 2023

2023: 529 days median
2007high 529 (2023)2026

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

Recalls per year · NPK

No recall names NPK since 2007.

Adverse event reports per year · NPK

3in 2022

2008: 12009: 22010: 132011: 352012: 172013: 62014: 12017: 12020: 12021: 22022: 3
2007high 35 (2011) · low 0 (2007)2025

MAUDE reports naming product code NPK, 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—00
20080—01
20091—02
20102—013
20111—035
20120—017
20131—06
20140—01
20152—00
20161—00
20171—01
20180—00
20190—00
20200—01
20211—02
20221—03
2023352900
20240—00
20250—00
20260—0—

What is it indicated for?

TefGen is an implant material which is intended to be used as a temporary space making barrier over bone or other tissue.

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. “K964656: Tefgen Guided Tissue Membrane.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K964656

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Page last updated Nov 3, 2026