510(k) Report

510(k) · Cleared

Recalled · Class II · 2014

Tytin R

K951663510(k) TraditionalCleared Jun 6, 199557-day reviewClass II21 CFR 872.3070Recalls 1

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

Kerr Corporation (Danbury) · EJJ Alloy, Amalgam

Cleared on Jun 6, 1995 after a 57-day review. FDA has not posted a summary or statement for it, so its predicates are not known. It has been recalled once.

Decided
Jun 6, 1995
Review
57 days
Class
Class II
Product code
EJJ
Recalls
1
Predicates
0

FDA has not posted a summary or statement for it, so its predicates are not known.

FIG. 1 — Lineage of K951663Source: FDA 510(k) database · How lineage is built

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Sources: FDA 510(k) database (decision fields), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in EJJ? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

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  • Recall history across each candidate’s familyin the report
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What was it cleared against?

FDA has not posted a summary or statement for it, so its predicates are not known.

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
May 29, 2014Class IIZ-1788-2014Unknown/Undetermined by firmKerr Corporation is recalling one (1) lot of Tytin Regular Set ( Part Number 29948, Lot Number 3-1294), because it may set faster than specified in the Directions for Use.

No ancestor or descendant has a Class I recall.

How does its category compare?

All EJJ devices

EJJ Alloy, Amalgam: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · EJJ

FDA has decided no EJJ device since 2007.

Median 510(k) review, days · EJJ

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

Recalls per year · EJJ

1in 2023

2023: 1
2007high 1 (2023) · low 0 (2007)2026

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

Adverse event reports per year · EJJ

2in 2021

2007: 492008: 92009: 52010: 222011: 82012: 12013: 12014: 52015: 42016: 22018: 32019: 12020: 12021: 2
2007high 49 (2007) · low 0 (2017)2025

MAUDE reports naming product code EJJ, 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—049
20080—09
20090—05
20100—022
20110—08
20120—01
20130—01
20140—05
20150—04
20160—02
20170—00
20180—03
20190—01
20200—01
20210—02
20220—00
20230—10
20240—00
20250—00
20260—0—
Cite this page

510(k) Report. “K951663: Tytin R.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K951663

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Record history
  • FDA decision record loaded May 2, 2026
  • Page last updated Nov 3, 2026