CH352456A - Dental retractor extender device - Google Patents

Dental retractor extender device

Info

Publication number
CH352456A
CH352456A CH352456DA CH352456A CH 352456 A CH352456 A CH 352456A CH 352456D A CH352456D A CH 352456DA CH 352456 A CH352456 A CH 352456A
Authority
CH
Switzerland
Prior art keywords
extender device
dental retractor
retractor extender
dental
retractor
Prior art date
Application number
Other languages
French (fr)
Inventor
Philippe Alphonse
Original Assignee
Philippe Alphonse
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 Philippe Alphonse filed Critical Philippe Alphonse
Publication of CH352456A publication Critical patent/CH352456A/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
    • A61C7/10—Devices having means to apply outwardly directed force, e.g. expanders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
    • F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
    • F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
    • F16H1/16—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising worm and worm-wheel

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (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)
CH352456D 1958-05-19 1959-03-24 Dental retractor extender device CH352456A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR352456X 1958-05-19

Publications (1)

Publication Number Publication Date
CH352456A true CH352456A (en) 1961-02-28

Family

ID=8893078

Family Applications (1)

Application Number Title Priority Date Filing Date
CH352456D CH352456A (en) 1958-05-19 1959-03-24 Dental retractor extender device

Country Status (1)

Country Link
CH (1) CH352456A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4163318A (en) * 1977-03-21 1979-08-07 Pasquale Tigani Device for replacing missing teeth in human dentition

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4163318A (en) * 1977-03-21 1979-08-07 Pasquale Tigani Device for replacing missing teeth in human dentition

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