510(k) Report

510(k) · Cleared

Cleared

General Cutting Contra Handpiece

K182999510(k) TraditionalCleared Apr 16, 2019168-day reviewClass I21 CFR 872.4200

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

Nakanishi, Inc. · EGS Handpiece, Contra- And Right-Angle Attachment, Dental

Cleared on Apr 16, 2019 after a 168-day review. The FDA summary names no predicate by number. 2 later devices descend from it.

Decided
Apr 16, 2019
Review
168 days
Class
Class I
Product code
EGS
Recalls
None
Predicates
0

2 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 2020: 1 descendant cleared2024: 1 descendant cleared201620182020202220242026
  1. This deviceK182999 General Cutting Contra HandpieceNakanishi, Inc. · 2019
  2. Descendant · cites it directly · 0 of its ownK240337 Dental Handpiece (Model: J6-126, J6-136, SH11W2, SH11W3, W401LW…Guangdong Jinme Medical Technology Co., Ltd. · 2024
  3. Descendant · cites it directly · 0 of its ownK202960 General Cutting Contra HandpieceNakanishi, Inc. · 2020

Most influential descendants

Showing 2 of 2 · See all
  • K240337Dental Handpiece (Model: J6-126, J6-136, SH11W2, SH11W3, W401LW, W15LW, W142LW, W11L)Guangdong Jinme Medical Technology Co., Ltd. · 2024 · cites it directly0descendants
  • K202960General Cutting Contra HandpieceNakanishi, Inc. · 2020 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K182999General Cutting Contra HandpieceNakanishi, Inc.2019—
+1K240337Dental Handpiece (Model: J6-126, J6-136, SH11W2, SH11W3, W401LW, W15LW…Guangdong Jinme Medical Technology Co., Ltd.2024—
+1K202960General Cutting Contra HandpieceNakanishi, Inc.2020—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202010
202410
FIG. 1 — Lineage of K182999, 2019–2024Source: 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 EGS? 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 EGS device

  1. #1 K251869 Disposable Prophy Angle (3399-60, 3399-090…score 10.0 · 1 generation · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

What was it cleared against?

The FDA summary names no predicate by number.

What descends from it? (2)

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

NumberDeviceApplicantDecidedDescendants
K240337Dental Handpiece (Model: J6-126, J6-136, SH11W2, SH11W3, W401LW, W15LW, W142LW, W11L)Guangdong Jinme Medical Technology Co., Ltd.20240
K202960General Cutting Contra HandpieceNakanishi, Inc.20200

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?

  • Of its descendants, K240337 (Guangdong Jinme Medical Technology Co., Ltd., 2024) has gone furthest, with 0 descendants of its own.

How does its category compare?

All EGS devices

EGS Handpiece, Contra- And Right-Angle Attachment, Dental: FDA decisions, review times, recalls and adverse event reports over 20 years. 2019, this device’s year, is highlighted.

FDA decisions per year · EGS

2in 2025

2007: 12009: 12010: 22011: 32012: 32013: 12014: 22015: 32017: 22018: 12019: 32020: 12021: 12022: 42023: 12024: 12025: 2
2007high 4 (2022) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · EGS

189in 2022

2011: 104 days median2012: 288 days median2015: 245 days median2019: 276 days median2022: 189 days median
2007high 288 (2012) · low 104 (2011)2026

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

Recalls per year · EGS

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 · EGS

82in 2025

2007: 22008: 142009: 452010: 742011: 22012: 32013: 22014: 382015: 1662016: 2992017: 3162018: 2302019: 2192020: 1912021: 2942022: 2792023: 1152024: 812025: 82
2007high 316 (2017) · low 2 (2007)2025

MAUDE reports naming product code EGS, 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—02
20080—014
20091—045
20102—074
2011310402
2012328803
20131—02
20142—038
201532450166
20160—0299
20172—0316
20181—0230
201932760219
20201—0191
20211—0294
202241890279
20231—1115
20241—081
20252—082
20260—0—
Cite this page

510(k) Report. “K182999: General Cutting Contra Handpiece.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K182999

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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