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510(k) K991701

MACH-SIGMA HANDPIECE, ULTRAPUSH, MODELS MACH-SIGMA MU (MINI HEAD), MACH-SIGMA SU (STD. HEAD), MACH-SIGMA TU (TORQUE HD) by Nsk Nakanishi, Inc. — Product Code EFB

K991701 is an FDA 510(k) premarket notification submitted by Nsk Nakanishi, Inc. for the device "MACH-SIGMA HANDPIECE, ULTRAPUSH, MODELS MACH-SIGMA MU (MINI HEAD), MACH-SIGMA SU (STD. HEAD), MACH-SIGMA TU (TORQUE HD)". The FDA issued a decision of Substantially Equivalent on August 10, 1999. The device falls under product code EFB (Handpiece, Air-Powered, Dental), a Class I device regulated under 21 CFR 872.4200. Nsk Nakanishi, Inc. has at least 10 other 510(k) clearances on record.

Clearance Details

Decision
SESE (Substantially Equivalent)
Decision Date
August 10, 1999
Date Received
May 19, 1999
Clearance Type
Traditional
Expedited Review
No
Third Party Review
No

Device Classification

Device Name
Handpiece, Air-Powered, Dental
Device Class
Class I
Regulation Number
872.4200
Review Panel
DE
Submission Type

Other clearances by Nsk Nakanishi, Inc.

  • K991021 — SONIC SCALER WITH FIBER OPTIC, MODEL NAS-L, SONIC SCALER WITHOUT FIBER OPTIC, MO (June 23, 1999)
  • K990954 — ELEC-MATE, MODELS EX-6 SET, EX-6L SET, EX-30 SET (June 9, 1999)
  • K990682 — PROPHY-MATE MOTOR HANDPIECE, MODELS PROPHY-MATE (2000 RPM MAX), ENDO-MATE (600RP (March 24, 1999)
  • K990646 — PORTABLE ELECTRIC MOTOR-HANDPIECE UNIT, HANDY-MATE (March 19, 1999)
  • K980162 — MACH-SIGMA HANDPIECE, ULTRAPUSH (June 5, 1998)
  • K972924 — SURGIC II IMPLANT CONTROL UNIT (October 30, 1997)
  • K972569 — E-TYPE SPEED INCREASER CONTRA ANGLE, EXTERNAL IRRIGATION, INTERNAL IRRIGATION (October 8, 1997)
  • K971774 — NSK PUSH-BUTTON MIDWEST REPLACEMENT TURBINE:FOR QUIETAIR AND TRADITION (June 20, 1997)
  • K970953 — E-TYPE SPEED REDUCER CONTRA ANGLE (April 15, 1997)
  • K962542 — AIR MOTOR HANDPIECE TN-102 (September 24, 1996)

Other clearances for product code EFB

  • K251389 — High speed air turbine handpiece (January 12, 2026)
  • K251388 — Dental air-motor handpiece (TM-203B2, TM-203M4, TM-205B2, TM-205M4, TM-IS, TM-ES (January 12, 2026)
  • K242179 — Synea Fusion Handpieces (Intensiv & Profin) (February 28, 2025)
  • K240337 — Dental Handpiece (Model: J6-126, J6-136, SH11W2, SH11W3, W401LW, W15LW, W142LW, (November 13, 2024)
  • K241074 — High-speed Air Turbine Handpieces (SCHG01, SCHG03, SCHG18, SCHF19, SCHF22), Dent (November 12, 2024)
  • K241880 — Air Powered Tooth Polishing System (Perio-Mate); Air Powered Tooth Polishing Sys (September 20, 2024)
  • K233122 — High Speed Air Turbine Handpiece (G100,G200,G300,G400,G450,G500,G600,G700,G700L, (April 30, 2024)
  • K233308 — Air Motor (Model name: FX204 M4); Air Motor (Model name: M205) (April 25, 2024)
  • K220179 — High-Speed Air Turbine Handpieces/Straight Handpieces/Geared Angle Handpieces/Ai (September 22, 2023)
  • K232243 — EVO 700 series high speed handpiece (August 23, 2023)

FDA data resources