EP1043543B1 - Lampe scialytique, notamment pour le domaine dentaire - Google Patents

Lampe scialytique, notamment pour le domaine dentaire Download PDF

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Publication number
EP1043543B1
EP1043543B1 EP00107650A EP00107650A EP1043543B1 EP 1043543 B1 EP1043543 B1 EP 1043543B1 EP 00107650 A EP00107650 A EP 00107650A EP 00107650 A EP00107650 A EP 00107650A EP 1043543 B1 EP1043543 B1 EP 1043543B1
Authority
EP
European Patent Office
Prior art keywords
lamp
light
bulb
reflector
holder
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
EP00107650A
Other languages
German (de)
English (en)
Other versions
EP1043543A3 (fr
EP1043543A2 (fr
Inventor
Andreas Ebel
Rolf Weiland
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 Kunstleder- & Lederservice fur Zahnarztliche Patientenliegen Arbeitsstuehle und Rontgenschuerzen GmbH
Original Assignee
Dental Kunstleder- & Lederservice fur Zahnarztliche Patientenliegen Arbeitsstuehle und Rontgenschuerzen GmbH
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 Kunstleder- & Lederservice fur Zahnarztliche Patientenliegen Arbeitsstuehle und Rontgenschuerzen GmbH filed Critical Dental Kunstleder- & Lederservice fur Zahnarztliche Patientenliegen Arbeitsstuehle und Rontgenschuerzen GmbH
Publication of EP1043543A2 publication Critical patent/EP1043543A2/fr
Publication of EP1043543A3 publication Critical patent/EP1043543A3/fr
Application granted granted Critical
Publication of EP1043543B1 publication Critical patent/EP1043543B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/30—Pivoted housings or frames
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/20—Lighting for medical use
    • F21W2131/202—Lighting for medical use for dentistry

Definitions

  • the invention relates to a surgical light, in particular for the dental sector, with a lamp body, a light bulb, a support for the light bulb, a reflector for radiated light from the bulb, a shading hood for the bulb, a lamp handle and a fastener to the operating light to be attached to a holder, wherein the fastening element is provided on the carrier.
  • the surgical light may further include a splinter shield disposed around the shading hood and in front of the reflector.
  • An operating light of the type described above is known for example from DE 42 26 594 A1 and is used in the dental field to the oral cavity of a patient as possible to illuminate evenly.
  • the desired light is directed through the reflector into the oral cavity.
  • the light coming directly from the bulb is retained by the shading hood to prevent glare and unevenness in the illumination.
  • a problem with surgical lights is that they pollute in their use and therefore need to be cleaned regularly, but better sterilized.
  • the invention has for its object to provide an operating light of the type described above, in which it is possible with very little effort to meet high purity requirements.
  • this object is achieved in that an assembly of the lamp body, the reflector, the shading hood and the lamp handle is removable and sterilizable by the carrier attached to the holder.
  • connection between the assembly of the lamp body, the reflector, the Abschattungshaube and the lamp handle on the one hand and the support for the bulb on the other hand can be effected in that on the lamp body, a receiving socket is formed for the carrier.
  • a rear closure for this receptacle can be effected by a luminous lid on the carrier.
  • one or more screw can be provided. For example, screws can engage through screw holes in the luminaire lid in threaded sockets in the lamp body.
  • convection channels can be formed between the support and the receiving socket. These convection channels must be open and accordingly continue through the luminaire lid, if such closes the receiving socket.
  • the convection channels can be constructively achieved, for example, that between the carrier and the inner surface of the receiving socket rib-shaped spacers are provided.
  • the reflector can be attached to the receiving socket with the new operating light with a locking ring.
  • the locking can be done in the manner of a bayonet lock. So a replacement of the reflector is easy and easy. Any convection channels in the receiving socket may not close the locking ring.
  • the lamp body may have a U-shaped basic shape and hold at its free end the shading hood.
  • the shading hood can be connected to the free end of the lamp body, for example via a dovetail guide. For a defined position of the shading hood relative to the free end of the lamp body, a stop for the shading hood on the lamp body is provided.
  • the luminaire body can form the luminaire handle in a region projecting out to the front.
  • the lamp handle can be designed for example as a handle ring.
  • the shading hood should be provided with convection slots to allow the dissipation of the heat developed by the bulb by convection.
  • These convection slots are the simple, ie single-layer formation of the shading hood not in the way when the bulb is provided at its tip with an opaque coating. In this combination, there is no danger that the light bulb from the light beam through the shading hood directly exits, nor that the shading hood is heated by the heat radiation of the bulb so far that there is a risk of burns on contact.
  • the cover for the tip of the light bulb can be applied, for example, by dipping the light bulb in a suitable coating material and then baking become.
  • the detachable from the carrier assembly may further comprise a arranged around the shading hood and in front of the reflector transparent splinter protection for the bulb.
  • This splinter protection can be mounted with a simple plug connection to the lamp body, wherein an additional backup of the splinter protection is effected by the shading hood engaging in it.
  • the splinter shield is preferably formed of heat-resistant plastic to be interchangeable without great expense.
  • polycarbonate is suitable.
  • the remaining parts of the detachable assembly are preferably made of heat-resistant and inert plastics, at least up to the reflector.
  • the lamp body, the shading hood and the lamp handle can be made of one and the same plastic.
  • the reflector is typically formed of glass; but it can also be formed of heat-resistant and inert plastic.
  • the surgical lamp 1 shown in Figure 1 has a lamp body 2, which has a U-shaped basic shape. At the free end of his rear leg, which is shown on the right in Figure 1, the lamp body 2 forms a receiving socket 3 for a support 4, on which a light bulb 5 is mounted.
  • the light bulb 5 is a halogen bulb, which is inserted into a socket 6 and whose tip is provided with an opaque coating 7.
  • Around the light bulb 5 around a reflector 8 is arranged, which is fastened with a locking ring 9 on the receiving socket 3 in the manner of a bayonet closure.
  • the carrier 4 for the light bulb 5 engages with the socket 6 through the locking ring 9 therethrough. Rearward, the receiving socket 3 is covered by a light cover 10, which is part of the carrier 4.
  • a Gelenkanguß 11 is formed, which serves as a fastener for attaching the operating light 1 to an articulated arm 12 shown here only dashed lines.
  • An adjusting screw 29 on the support 4 is used to adjust the position of the socket 6 and thus the light bulb 5 relative to the reflector 8 in order to achieve the desired light distribution in the respective operating room.
  • the adjusting screw 29 is accessible through an opening 30 in the light cover 10. It typically only needs to be adjusted once after a light bulb 5 has been inserted into the socket 6.
  • a lamp handle 13 In its lower front region of the lamp body forms a lamp handle 13, which is a handle ring here.
  • At its front free end of the lamp body carries a shading hood 14 for the bulb 5.
  • a transparent splinter protection 15 is arranged, which is mounted on the lamp body 2 via a plug connection 16.
  • an assembly of the operating light 1 is removable, which consists of the lamp body 2, the reflector 8 with the associated locking ring 9, the shading hood 14 and the splinter protection 15 including the light handle formed by the lamp body 2 13.
  • FIG. 2 also shows only the luminaire body 2 and the luminous cap 10.
  • FIG. 2 also shows a screw seat 21 with associated threaded bushing 22 for a fastening screw which is provided for attaching the surgical lamp 1 in the region of the joint gate 11 to the articulated arm 12, but not here is shown.
  • Figure 4 shows the operating light 1 after removing the assembly the splinter protection 15 from the lamp body 2, the reflector 8 and the shading hood 14 of the support 4 for the bulb 5 after loosening the screws 17.
  • a variant of the operating light 1 is opposite Figures 1 to 3, as shown here, that here the fastener on the light cover 10 is not Gelenkanguß but a connection piece 27 for a deformable support arm 28, a so-called gooseneck, is.
  • the removable assembly consists of heat-sterilisable materials throughout. It is designed for repeated sterilization at about 135 ° C.
  • the individual components are connected by plug-in or rotary plug-in connections, which are also thermally stable.
  • the reflector 8 of the surgical lamp 1 is made of coated glass, while all other components are made of plastics.
  • the transparent splinter protection 15 may be formed of polycarbonate. All other non-transparent components of the detachable assembly may be formed of the same heat-resistant plastic, as well as the invisible locking ring 9 for the reflector in Figure 3 and the support 4 including the light cap 11 for the bulb 5.
  • the surgical light 1 can be constantly ready for use. While one of the two modules is sterilized and the other of the two assemblies ensures the operability of the surgical lamp 1.
  • the non-routinely sterilizable parts of the new surgical light are the self-sterilizing light bulb and the parts of the carrier and the light cover protected by the detachable assembly.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Endoscopes (AREA)

Claims (10)

  1. Lampe d'opération, en particulier pour le domaine dentaire, comportant
    - un corps de lampe (2) ;
    - une lampe à incandescence (5) ;
    - un support (4) pour la lampe à incandescence (5) ;
    - un réflecteur (8) pour la lumière émise par la lampe à incandescence (5) ;
    - un cache anti-éblouissement (14) pour la lampe à incandescence (5) ;
    - une poignée (13) ; et
    - un élément de fixation (11, 27) pour fixer la lampe d'opération sur un système d'attache ;
    - l'élément de fixation (11, 27) étant prévu sur le support (4),
    caractérisée en ce que
    - un groupe, formé par le corps de la lampe (2), le réflecteur (8), le cache anti-éblouissement (14) et la poignée (13), peut être désolidarisé du support (4) fixé contre le système d'attache (12, 28), et stérilisé.
  2. Lampe d'opération selon la revendication 1, caractérisée en ce qu'une douille de réception (3) pour le support (4) est réalisée sur le corps de lampe (2) et est fermée par un couvercle (10) au niveau du support (4).
  3. Lampe d'opération selon la revendication 2, caractérisée en ce que des canaux de convection (25) sont réalisés entre le support (4) et la douille de réception (3) et se prolongent à travers le couvercle (10).
  4. Lampe d'opération selon la revendication 2 ou 3, caractérisée en ce que le réflecteur (8) est fixé avec une bague de verrouillage (9) contre la douille de réception (3).
  5. Lampe d'opération selon l'une quelconque des revendications 1 à 4, caractérisée en ce que le corps de lampe (2) a une forme de base en U et porte sur son extrémité libre un cache anti-éblouissement (14).
  6. Lampe d'opération selon la revendication 5, caractérisée en ce que le corps de lampe (2) forme la poignée (13).
  7. Lampe d'opération selon l'une quelconque des revendications 1 à 6, caractérisée en ce que le cache anti-éblouissement (14) comporte des fentes de convection (24).
  8. Lampe d'opération selon l'une quelconque des revendications 1 à 7, caractérisée en ce que la lampe à incandescence (5) est revêtue sur son extrémité d'une couche (7) opaque.
  9. Lampe d'opération selon l'une quelconque des revendications 1 à 8, caractérisée en ce que le groupe, pouvant être démonté du support (4), comporte en outre une protection contre les bris de verre (15) transparente pour la lampe à incandescence (5), laquelle protection est agencée autour du cache anti-éblouissement (14) et devant le réflecteur (8).
  10. Lampe d'opération selon l'une quelconque des revendications 1 à 9, caractérisée en ce que le groupe, pouvant être démonté du support (4), est réalisé, au moins à l'exception du réflecteur (8), dans des matières plastiques résistantes à la chaleur.
EP00107650A 1999-04-10 2000-04-08 Lampe scialytique, notamment pour le domaine dentaire Expired - Lifetime EP1043543B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19916241A DE19916241C2 (de) 1999-04-10 1999-04-10 Operationsleuchte, insbesondere für den Dentalbereich
DE19916241 1999-04-10

Publications (3)

Publication Number Publication Date
EP1043543A2 EP1043543A2 (fr) 2000-10-11
EP1043543A3 EP1043543A3 (fr) 2002-10-02
EP1043543B1 true EP1043543B1 (fr) 2006-07-12

Family

ID=7904152

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00107650A Expired - Lifetime EP1043543B1 (fr) 1999-04-10 2000-04-08 Lampe scialytique, notamment pour le domaine dentaire

Country Status (3)

Country Link
EP (1) EP1043543B1 (fr)
AT (1) ATE333069T1 (fr)
DE (2) DE19916241C2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5976247A (en) * 1995-06-14 1999-11-02 Memc Electronic Materials, Inc. Surface-treated crucibles for improved zero dislocation performance
US5980629A (en) * 1995-06-14 1999-11-09 Memc Electronic Materials, Inc. Methods for improving zero dislocation yield of single crystals

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE656305C (de) * 1936-12-18 1938-11-14 Dr Fritz Muenzesheimer Blendungsfreie Lampe, insbesondere fuer aerztliche und zahnaerztliche Zwecke
US2226300A (en) * 1938-09-26 1940-12-24 American Sterilizer Co Removable optical system for luminaires
US4837668A (en) * 1988-01-28 1989-06-06 Koehler Joseph P Reflector for dental or medical light
US4930058A (en) * 1989-11-09 1990-05-29 The Pelton & Crane Company Quick-release dental light handle
DE4226594A1 (de) * 1992-08-11 1994-02-17 Siemens Ag Arbeitsfeldleuchte, insbesondere für die zahnärztliche Praxis
US5651611A (en) * 1995-04-06 1997-07-29 A-Dec, Inc. Shadow mask assembly for dental light

Also Published As

Publication number Publication date
DE19916241C2 (de) 2001-04-19
ATE333069T1 (de) 2006-08-15
DE19916241A1 (de) 2000-10-26
EP1043543A3 (fr) 2002-10-02
DE50013142D1 (de) 2006-08-24
EP1043543A2 (fr) 2000-10-11

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