FR2462899B1 - Stethoscope dentaire - Google Patents

Stethoscope dentaire

Info

Publication number
FR2462899B1
FR2462899B1 FR8013425A FR8013425A FR2462899B1 FR 2462899 B1 FR2462899 B1 FR 2462899B1 FR 8013425 A FR8013425 A FR 8013425A FR 8013425 A FR8013425 A FR 8013425A FR 2462899 B1 FR2462899 B1 FR 2462899B1
Authority
FR
France
Prior art keywords
stethoscope
dental
dental stethoscope
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
Application number
FR8013425A
Other languages
English (en)
Other versions
FR2462899A1 (fr
Inventor
Noboru Inoue
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.)
Dental Electronics Kk
Original Assignee
Dental Electronics Kk
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 Dental Electronics Kk filed Critical Dental Electronics Kk
Publication of FR2462899A1 publication Critical patent/FR2462899A1/fr
Application granted granted Critical
Publication of FR2462899B1 publication Critical patent/FR2462899B1/fr
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body
    • A61B5/0534—Measuring electrical impedance or conductance of a portion of the body for testing vitality of teeth
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00—Dental auxiliary appliances
    • A61C19/04—Measuring instruments specially adapted for dentistry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R17/00—Measuring arrangements involving comparison with a reference value, e.g. bridge
    • G01R17/02—Arrangements in which the value to be measured is automatically compared with a reference value

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Physics & Mathematics (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Epidemiology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Dentistry (AREA)
  • Pathology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • General Physics & Mathematics (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
FR8013425A 1979-08-09 1980-06-17 Stethoscope dentaire Expired FR2462899B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10143079A JPS5627246A (en) 1979-08-09 1979-08-09 Dental stethoscope

Publications (2)

Publication Number Publication Date
FR2462899A1 FR2462899A1 (fr) 1981-02-20
FR2462899B1 true FR2462899B1 (fr) 1986-04-11

Family

ID=14300477

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8013425A Expired FR2462899B1 (fr) 1979-08-09 1980-06-17 Stethoscope dentaire

Country Status (4)

Country Link
US (1) US4302627A (fr)
JP (1) JPS5627246A (fr)
DE (1) DE3021302A1 (fr)
FR (1) FR2462899B1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3615632A1 (de) * 1986-05-09 1987-11-12 Michael Dr Med Gente Vorrichtung zur bestimmung der ausdehnung des dentinkoerpers von zu praeparierenden zaehnen
US4783813A (en) * 1986-12-24 1988-11-08 Lola R. Thompson Electronic sound amplifier stethoscope with visual heart beat and blood flow indicator
DE3719911C2 (de) * 1987-06-15 1994-02-10 Michael Dr Med Gente Vorrichtung zum Bestimmen des elektrischen Widerstandes von Zähnen
EP0332131A3 (fr) * 1988-03-07 1989-12-13 Guy Levy Appareil de surveillance de l'épaisseur de la dentine
KR950703891A (ko) * 1992-12-07 1995-11-17 안드레드 빌러스 전자청진기
US5421727A (en) * 1993-06-07 1995-06-06 Stevens; Barry H. Dental instrument with microwave/RF radiation and method of treating a tooth
DE4441441C2 (de) * 1994-11-23 1998-04-09 Jonkers Data Bv Verfahren und Anordnung zur Messung der Tiefe von Zahntaschen
US6026170A (en) * 1995-11-27 2000-02-15 Minnesota Mining And Manufacturing Company Electronic stethoscope with idealized bell and idealized diaphragm modes
GB2356051A (en) * 1999-11-06 2001-05-09 Neil Meredith Measuring the vascularity within bone tissue using electrical contact impedance measurements
US6866509B2 (en) * 2000-08-09 2005-03-15 Charles D. Jensen Dental diagnostic system and method
US6491522B1 (en) * 2000-08-09 2002-12-10 Charles D. Jensen Dental diagnostic system and method
DE10164044B4 (de) * 2001-12-24 2008-04-17 Willers, Christian, Dr.med.dent. Verfahren und Vorrichtung zur Erfassung der Oberflächenrauhigkeit dentaler Hartgewebe
US7285098B2 (en) * 2002-09-05 2007-10-23 Sure-Shot Medical Device, Inc. Device for medical percussion
US6790184B2 (en) * 2002-09-05 2004-09-14 Sure-Shot Medical Device, Inc. Device for medical percussion

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1279288B (de) * 1963-05-21 1968-10-03 Chirana Praha Np Geraet zur stomatologischen Pruefung der Zahnvitalitaet
US3993044A (en) * 1975-03-10 1976-11-23 Mcguffin William G Method and device for determining the length of a root canal of a tooth
US4177799A (en) * 1977-07-25 1979-12-11 Masreliez Carl J Dental pulp tester

Also Published As

Publication number Publication date
JPS5761422B2 (fr) 1982-12-24
FR2462899A1 (fr) 1981-02-20
US4302627A (en) 1981-11-24
DE3021302A1 (de) 1981-02-26
JPS5627246A (en) 1981-03-17
DE3021302C2 (fr) 1991-02-07

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Legal Events

Date Code Title Description
ST Notification of lapse