DE69110792T2 - Vorrichtung zur Verhinderung des Eindringens von Fremdkörpern in dentale Handstücke. - Google Patents

Vorrichtung zur Verhinderung des Eindringens von Fremdkörpern in dentale Handstücke.

Info

Publication number
DE69110792T2
DE69110792T2 DE69110792T DE69110792T DE69110792T2 DE 69110792 T2 DE69110792 T2 DE 69110792T2 DE 69110792 T DE69110792 T DE 69110792T DE 69110792 T DE69110792 T DE 69110792T DE 69110792 T2 DE69110792 T2 DE 69110792T2
Authority
DE
Germany
Prior art keywords
end cap
handpiece
gap sections
foreign objects
preventing foreign
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69110792T
Other languages
English (en)
Other versions
DE69110792D1 (de
Inventor
Takasuke Nakanishi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nakanishi Inc
Original Assignee
Nakanishi Dental Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nakanishi Dental Manufacturing Co Ltd filed Critical Nakanishi Dental Manufacturing Co Ltd
Publication of DE69110792D1 publication Critical patent/DE69110792D1/de
Application granted granted Critical
Publication of DE69110792T2 publication Critical patent/DE69110792T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/02—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools
    • A61C1/05—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools with turbine drive
    • A61C1/057—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools with turbine drive with means for preventing suction effect in turbine after deactivation of the drive air
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/08—Machine parts specially adapted for dentistry
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/08—Machine parts specially adapted for dentistry
    • A61C1/16—Protecting caps for hand-pieces or angle-pieces

Landscapes

  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
DE69110792T 1990-08-24 1991-01-02 Vorrichtung zur Verhinderung des Eindringens von Fremdkörpern in dentale Handstücke. Expired - Lifetime DE69110792T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP8788990 1990-08-24
JP9806290 1990-09-20
JP1990110519U JPH0628086Y2 (ja) 1990-08-24 1990-10-24 歯科用ハンドピースの防塵装置

Publications (2)

Publication Number Publication Date
DE69110792D1 DE69110792D1 (de) 1995-08-03
DE69110792T2 true DE69110792T2 (de) 1995-11-16

Family

ID=27305623

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69110792T Expired - Lifetime DE69110792T2 (de) 1990-08-24 1991-01-02 Vorrichtung zur Verhinderung des Eindringens von Fremdkörpern in dentale Handstücke.

Country Status (5)

Country Link
US (1) US5074788A (de)
EP (1) EP0471916B1 (de)
JP (1) JPH0628086Y2 (de)
AT (1) ATE124241T1 (de)
DE (1) DE69110792T2 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10130897C1 (de) * 2001-06-27 2003-01-09 Bahner Feinwerktechnik Gmbh Handstück für ein Medizinisches oder kosmetisches Bearbeitungsgerät
DE10130898A1 (de) * 2001-06-27 2003-01-23 Bahner Feinwerktechnik Gmbh Handstück für ein medizinisches oder kosmetisches Bearbeitungsgerät
DE102012005178A1 (de) 2012-03-16 2013-09-19 Hellmut Ruck Gmbh Medizinisches oder kosmetisches Bearbeitungsgerät

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3929575A1 (de) * 1989-09-06 1991-03-07 Vascomed Kathetertech Dilatationskatheter zum erweitern von blutgefaessen mit motorantrieb
US5267860A (en) * 1992-08-28 1993-12-07 Ingram Jr William L Dental hygiene tool with shield and germicidal seals
JPH07121261B2 (ja) * 1993-05-20 1995-12-25 株式会社中西歯科器械製作所 歯科用ハンドピース
JPH0737605Y2 (ja) * 1993-07-12 1995-08-30 株式会社中西歯科器械製作所 歯科用ハンドピース
US5779474A (en) * 1994-06-09 1998-07-14 Den-Tal-Ez, Inc. Sudden stop mechanism and air-gap seal for dental handpiece
DE4423222A1 (de) * 1994-07-01 1996-01-04 Kaltenbach & Voigt Ärztliches oder zahnärztliches Behandlungsinstrument
JP3014379U (ja) * 1995-02-06 1995-08-08 株式会社中西歯科器械製作所 歯科用ハンドピースのカートリッジ
US5655906A (en) * 1995-06-12 1997-08-12 Micro Motors, Inc. Autoclavable dental sonic scaler
US5823774A (en) * 1996-01-31 1998-10-20 Arthrotek, Inc. Dynamically sealed surgical drill
AT403882B (de) * 1996-09-24 1998-06-25 Buermoos Dentalwerk Dentales handstück
DE50006806D1 (de) * 1999-09-27 2004-07-22 W & H Dentalwerk Buermoos Ges Zahnärztliches oder chirurgisches Winkelstück
WO2003083266A1 (en) * 2002-03-28 2003-10-09 Dentsply International Inc. Method for balancing the rotating turbine element of a dental handpiece
JP4160319B2 (ja) * 2002-05-10 2008-10-01 株式会社モリタ製作所 歯科用切削装置及びサックバック防止方法
DE10313262A1 (de) * 2003-03-24 2004-10-07 Muss Dental Gmbh Motorbetriebenes Handstück für medizinische Zwecke, insbesondere für ein dentales Labor
US7927101B2 (en) * 2005-03-22 2011-04-19 J. Morita Manufacturing Corporation Handpiece and method for preventing occurence of sucking-back in the handpiece
WO2006110670A1 (en) * 2005-04-12 2006-10-19 Spring Health Products, Inc. Electric dental handpiece and control system
US20100035205A1 (en) * 2008-08-09 2010-02-11 Daniel Wang Non-90-Degree Ergonomically-Shaped Dental Prophylaxis Angle with a Straight Driving Shaft
EP2932934B1 (de) 2010-01-14 2020-06-03 Bien-Air Holding SA Vorrichtung zur zentrifugalablenkung für chirurgisches oder zahntechnisches handstück, das die entfernung von fremdkörpern ermöglicht
US20150132713A1 (en) * 2013-11-08 2015-05-14 Dentalez, Inc. Dental handpiece with vortex-washer-driven particulate discharge

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2983519A (en) * 1958-11-24 1961-05-09 Staunt Martin Chucks for dental handpieces
CH596827A5 (de) * 1975-12-22 1978-03-31 Micro Mega Sa
AT348100B (de) * 1976-07-28 1979-01-25 Kaltenbach & Voigt Aerztliches, insbesondere zahnaerztliches handstueck
JPS53140894A (en) * 1977-05-12 1978-12-08 Nakanishi Shika Kikai Seisakus Chuck open*close device for dental handpiece
CH640718A5 (de) * 1980-05-13 1984-01-31 Micro Mega Sa Tete de contre-angle dentaire comprenant un dispositif empechant la penetration d'eau a l'interieur.
JPS6019689Y2 (ja) * 1980-09-03 1985-06-13 長田電機工業株式会社 歯科用ハンドピ−ス
DE3402585A1 (de) * 1984-01-26 1985-08-01 Otto 3000 Hannover Muss Handstueck zur aufnahme auswechselbarer dentalwerkzeuge
DE3828866C1 (de) * 1988-08-25 1990-02-08 Kaltenbach & Voigt Gmbh & Co, 7950 Biberach, De

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10130897C1 (de) * 2001-06-27 2003-01-09 Bahner Feinwerktechnik Gmbh Handstück für ein Medizinisches oder kosmetisches Bearbeitungsgerät
DE10130898A1 (de) * 2001-06-27 2003-01-23 Bahner Feinwerktechnik Gmbh Handstück für ein medizinisches oder kosmetisches Bearbeitungsgerät
DE10130898C2 (de) * 2001-06-27 2003-10-09 Bahner Feinwerktechnik Gmbh Handstück für ein medizinisches oder kosmetisches Bearbeitungsgerät
DE102012005178A1 (de) 2012-03-16 2013-09-19 Hellmut Ruck Gmbh Medizinisches oder kosmetisches Bearbeitungsgerät
DE102012005178B4 (de) 2012-03-16 2022-02-24 Hellmut Ruck Gmbh Medizinisches oder kosmetisches Bearbeitungsgerät

Also Published As

Publication number Publication date
US5074788A (en) 1991-12-24
ATE124241T1 (de) 1995-07-15
EP0471916A1 (de) 1992-02-26
DE69110792D1 (de) 1995-08-03
EP0471916B1 (de) 1995-06-28
JPH0628086Y2 (ja) 1994-08-03
JPH0488922U (de) 1992-08-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: NAKANISHI INC., KANUMA, TOCHIGI, JP

8328 Change in the person/name/address of the agent

Representative=s name: HEYER, V., DIPL.-PHYS. DR.RER.NAT., PAT.-ANW., 806