EP0734694B1 - Ergonomic handle - Google Patents

Ergonomic handle Download PDF

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Publication number
EP0734694B1
EP0734694B1 EP19960830149 EP96830149A EP0734694B1 EP 0734694 B1 EP0734694 B1 EP 0734694B1 EP 19960830149 EP19960830149 EP 19960830149 EP 96830149 A EP96830149 A EP 96830149A EP 0734694 B1 EP0734694 B1 EP 0734694B1
Authority
EP
European Patent Office
Prior art keywords
arm
handle
selectors
line
tablet
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
EP19960830149
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0734694A2 (en
EP0734694A3 (en
Inventor
Franco Castellini
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.)
Castellini SpA
Original Assignee
Castellini SpA
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 Castellini SpA filed Critical Castellini SpA
Publication of EP0734694A2 publication Critical patent/EP0734694A2/en
Publication of EP0734694A3 publication Critical patent/EP0734694A3/en
Application granted granted Critical
Publication of EP0734694B1 publication Critical patent/EP0734694B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G15/00—Operating chairs; Dental chairs; Accessories specially adapted therefor, e.g. work stands
    • A61G15/14—Dental work stands; Accessories therefor
    • A61G15/16—Storage, holding or carrying means for dental handpieces or the like

Definitions

  • the present invention relates to an ergonomic handle for dental equipment such as handpiece holders or tablets forming part of dental units.
  • Prior art handles according to the preamble of claim 1 have been disclosed in EP-A-0 529 132 and WO-A-9 208 391.
  • the handle disclosed by the present invention arises in response to the need for modern dental units, which use the latest technology to allow functions to be selected without any kind of physical contact between the operator's hand and the control panel, to be fitted with an element to serve as a reference and support for the operator's hand.
  • the aim of the present invention is to overcome the disadvantages by providing a handle whose structure is suitable for the manual control requirements of modern technological systems.
  • the handle disclosed is applied to equipment forming part of a dental unit (not illustrated as a whole) .
  • One such piece of equipment is the tablet 1, or holder, for handpieces 2, which also mounts a console 3 used for selecting the functions of the dental unit and equipped with a plurality of selectors 4.
  • the selectors are of the type activated without contact (also known in the trade as "NO TOUCH” selectors) and are arranged side by side and one above the other in at least one row labelled L.
  • the selectors 4 are activated by a surface 8 being moved close to them, the said surface being in practice constituted by fingers 9 of a hand 10 of average length MM, considering as average length MM the length of the fingers 9 plus that of the adjacent portion of the palm of the hand.
  • the handle 5 consists of a first arm 6 attached to the tablet 1 and equipped at its free upper end with a second arm 7 extending in parallel with a line L defined by the row of selectors 4 for a length, labelled L2 in Figs. 1 and 3, which is proportional to the length (L1) of the row of selectors 4.
  • the distance of the second arm 7 from the line L defined by the row of selectors 4 is approximately equal to the aforesaid average length MM of the hand 10. In practice, therefore, all the dental surgeon needs to do to position his/her hand 10 at the correct distance necessary to select the functions of the dental unit with the selectors 4 is to rest it on the arm 7 of the handle 5.
  • the first arm 6, viewed in cross section, is arched, whilst the arm 7 is substantially horizontal and has two identical portions 7a and 7b forming a single, undivided part.
  • the two portions 7a and 7b extend in opposite directions starting from the free end of the first arm 6, so as to define a "T" shaped handle 5.
  • FIG. 3 shows a second tablet 11 for holding handpieces 2, used by an assistant and equipped with a second console 12 with a plurality of "NO TOUCH" selectors 4 for selecting dental unit functions.
  • the second tablet also has a handle 5, similar to the one described so far, with an arched first arm 6, but whose second arm 7 is a single element extending horizontally from the free end of the first arm 6 so as to define an "L" shape.
  • the aims of the present invention are achieved in that, in addition to its conventional use to grip and move the handpiece tablet, the handle also serves to correctly position the dental surgeon's hand over the control console of the dental unit. That means there is less risk of the surgeon's moving his/her fingers too close to the selectors or accidentally touching them and also allows the surgeon to select functions without necessarily looking at the console.

Landscapes

  • Health & Medical Sciences (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)
  • Mechanical Control Devices (AREA)
  • Massaging Devices (AREA)
EP19960830149 1995-03-27 1996-03-26 Ergonomic handle Expired - Lifetime EP0734694B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBO950050 IT238935Y1 (it) 1995-03-27 1995-03-27 Maniglia di presa ergonomica in particolare per attrezzatura diriuniti dentali
ITBO950050U 1995-03-27

Publications (3)

Publication Number Publication Date
EP0734694A2 EP0734694A2 (en) 1996-10-02
EP0734694A3 EP0734694A3 (en) 1996-11-27
EP0734694B1 true EP0734694B1 (en) 2002-06-12

Family

ID=11340285

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19960830149 Expired - Lifetime EP0734694B1 (en) 1995-03-27 1996-03-26 Ergonomic handle

Country Status (4)

Country Link
EP (1) EP0734694B1 (it)
DE (1) DE69621686T2 (it)
ES (1) ES2176425T3 (it)
IT (1) IT238935Y1 (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20000466A1 (it) * 2000-07-28 2002-01-28 Castellini Spa Supporto per strumenti odontoiatrici accessori in riuniti dentali .
US6726070B2 (en) 2002-05-20 2004-04-27 Robert Lautner Ergonomic input-device holder

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9024890D0 (en) * 1990-11-15 1991-01-02 Stewart Timothy N Toothbrushes
DK0529132T3 (da) * 1991-08-29 1995-08-21 Siemens Ag Instrumentfralæggebord for tandlæger

Also Published As

Publication number Publication date
DE69621686D1 (de) 2002-07-18
EP0734694A2 (en) 1996-10-02
IT238935Y1 (it) 2001-02-19
ES2176425T3 (es) 2002-12-01
ITBO950050U1 (it) 1996-09-27
EP0734694A3 (en) 1996-11-27
DE69621686T2 (de) 2003-03-06
ITBO950050V0 (it) 1995-03-27

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