EP1312857B1 - Armature lumineuse pour une lampe médicale et son utilisation - Google Patents

Armature lumineuse pour une lampe médicale et son utilisation Download PDF

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Publication number
EP1312857B1
EP1312857B1 EP02025736A EP02025736A EP1312857B1 EP 1312857 B1 EP1312857 B1 EP 1312857B1 EP 02025736 A EP02025736 A EP 02025736A EP 02025736 A EP02025736 A EP 02025736A EP 1312857 B1 EP1312857 B1 EP 1312857B1
Authority
EP
European Patent Office
Prior art keywords
lamp
bulb
lighthead
fact
swivel mechanism
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
EP02025736A
Other languages
German (de)
English (en)
Other versions
EP1312857A1 (fr
Inventor
Sören Wasow
Uwe Gampe
Klaus Buss
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.)
Maquet GmbH
Original Assignee
Heraeus Medical 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 Heraeus Medical GmbH filed Critical Heraeus Medical GmbH
Publication of EP1312857A1 publication Critical patent/EP1312857A1/fr
Application granted granted Critical
Publication of EP1312857B1 publication Critical patent/EP1312857B1/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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/04—Fastening of light sources or lamp holders with provision for changing light source, e.g. turret
    • 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
    • F21W2131/205—Lighting for medical use for operating theatres
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S362/00—Illumination
    • Y10S362/804—Surgical or dental spotlight

Definitions

  • the invention relates to a lamp body for a medical lamp, in particular surgical lamp, with at least two electric lamps, of which a first is assigned in normal operation with its version of a predetermined centering in the stationary part of the lamp body, while a second lamp with its version in a reserve Position is located outside the centering position, wherein in case of failure of the first lamp, the sockets of both lamps are changeable by an electromagnetically operated pivoting device in position, so that the second lamp is pivoted into the centering position for a backup lamp operation after the first lamp from the Centering position is withdrawn; Furthermore, the invention is directed to the use of such a lamp body.
  • a lighting device with two alternately operated electric lamps is called, as for example from the DE 200 04 384 U1 is known; such a lamp body is located in the center or in the focus of a surrounding reflector, preferably ring reflector, reflector and lamp body form a common unit as a medical lamp or surgical light, which is rotatably and pivotally mounted by means of a bracket bracket.
  • a surgical lamp which comprises a lighting device with two alternately switchable lamps of the same type, one of which is in an optimized with respect to a reflector of the lamp centering position, while a second lamp in the case of normal operation remains in a reserve position.
  • the first lamp is removed from the focal point of the reflector with the aid of a pivoting device and the second lamp previously used as a reserve lamp is positioned at the focal point.
  • the reliability can also be affected by problems in the relatively complex power supply for the discharge lamps. This means that to improve the reliability either a redundancy in the power supply for the discharge lamps is provided or in case of failure of a single power supply for discharge lamps and the reserve function of the second lamp is no longer functional.
  • a surgical lamp which has at least one arranged at a reference point main lamp and a replacement point located near this replacement lamp in a waiting area.
  • the main lamp and the replacement lamp are so adjustable held and controlled that when burning the main lamp this moves away from the reference point and the replacement lamp is moved from the waiting area to the target location and held there.
  • the main lamp and the replacement lamp are mounted on independently movable brackets.
  • a fail-safe lamp in particular lamp for medical arrangements which contains at least one discharge lamp
  • the lamp has a supply unit which is connected to a power supply system with an additional safety power supply by switching to a backup power source in case of failure.
  • the supply unit has a buffer memory, which provides the power supply for the operation of the discharge lamp during the switchover to the backup power source in the event of a fault.
  • the object of the invention is to provide a medical lamp with a main and reserve lamp, in which one of the two lamps is designed as a discharge lamp, while the reserve lamp in its design or performance is not readily equivalent to the discharge lamp. It should be taken in reserve lamp operation an optimal centering in the reflector area by the reserve lamp.
  • the first lamp is designed as a double ended discharge lamp with axially opposite terminal contacts, which is held and contacted at one end together with a light bulb formed as a second lamp in a first version, which together with a second arranged at a distance socket for holding and contacting the other end of the discharge lamp is formed as part of a rotatable about an axis pivoting means, wherein a rotation of the pivoting means by means of a biased between pivoting device and stationary part of the lamp torsion spring can be triggered by an unlocking.
  • the rotation of the pivoting device is triggered by an electromagnetic unlocking of a positively engaging in one of the sockets locking pin of a mechanically and electrically connected to the fixed part of the lamp locking device.
  • the torsion spring required for carrying out the pivoting movement acts on a point of the pivoting device which is eccentric with respect to the axis of rotation of the pivoting device.
  • one of the two sockets is provided with at least one recess for positive connection by engagement of the locking pin, which is opposite to the stroke direction of the locking device by means of prestressed spring under mechanical tension.
  • the locking pin is completely removed from the recess of the socket in the case of magnetic excitation of the locking device.
  • the socket in the region of the recess for the locking pin has a diagonally shaped surface for easy sliding of the locking pin until it is lowered into the recess.
  • the opposite terminal contacts of the discharge lamp operated as the first lamp are arranged along an axis which is parallel to the axis of the pivoting device.
  • the lamp body is inserted into a ring light having a spaced from the lamp body ring reflector, so that due to natural convection optimal dissipation of the resulting radiant heat is possible.
  • FIG. 1 shows the lamp body according to the invention without outer housing with the discharge lamp provided as the first lamp in its centering position.
  • FIG. 2 shows the filamented second lamp in the centering position, as it is assumed after failure of the first lamp (discharge lamp).
  • FIG. 3 shows an operating light with the inventive lamp body used, which is surrounded by a ring reflector.
  • the luminaire body shown without outer housing has a fixed or stationary mount 2 and movable sockets 1 and 15, which are mounted rotatably as part of a pivoting device 16 about a pivot axis - here schematically registered pivot axis 17.
  • the two sockets 1 and 15 together with the connecting rods 18 and 19, the movable core of the pivoting device 16.
  • the first lamp 3 which according to FIG. 1 in its centering position (with respect to reflector).
  • the side of the pivot axis 17, designed as a light bulb second lamp 4 (reserve lighting) can be seen, which is socketed on one side and thus attached to the movable first version 1.
  • the pretensioned torsion spring 8 required for triggering the pivoting process can be seen, which is designed as a helical spring which engages around a rod which is not visible here. It is in the normal state in the prestressed state, with one end of the torsion spring 8 is fixed to the fixed frame 2, while the other end engages an eccentric point of the pivoting device 16.
  • the first lamp 3 is in the centering position, wherein at the same time the locking pin 6 engages positively in a recess 10 of the socket 1; while the locking pin 6 is supported by means of a coil spring (compression spring) against a lifting magnet 5 located above.
  • a coil spring compression spring
  • the movable frame 1 is also a part of the fixed frame 2, which is additionally connected to an ignition device 7 for the first lamp (discharge lamp);
  • the ignition device 7 can be seen for the discharge lamp functioning as the first lamp, the electrical connections, which also serve to supply the lighting means, being designated by the reference symbols 20, 21.
  • the compression spring 9 for the solenoid 5 can be seen, which without external force a permanent pressure on locking pin 6 exerts, so that it positively engages in its rest position in the recess 10 and thus prevents movement of the pivoting device 16.
  • the pressure magnet 5 of the locking device is actuated via a sensor, not shown here, this dubbing the bias of the compression spring 9 and thus the positive depression of the locking pin 6 is released from the recess 10 of version 1, so that after release of the recess 10, the force exerted by the torsion spring 8 on the pivoting means 16 force is effective and the second lamp 4 enters as a reserve light bulb in the centering position of the first lamp 3, while the lamp 3 is simultaneously removed from the centering position.
  • a stationary stop plate 11 in the pivoting range of the movable frame 15 can be seen.
  • the pivoting device 16 After the end of a possible lamp operation with the second lamp 4 as a reserve lamp, the pivoting device 16 is returned by manual operation back to its original position, so that the main illuminant 3 is again in the centering position. It is then then checked and replaced if necessary, so that a re-commissioning of the lamp body without further problems is possible.
  • the second lamp 4 which serves as a reserve lighting means, is also checked at the same time and, if necessary, replaced in order to maintain high failure safety for further light periods.
  • FIG. 2 shows the basic element of the lamp body with the second lamp 4 in the centering position, so that after failure of the first lamp 3 (main illuminant) also continues to operate is possible.
  • locking pin 6 is now outside the not visible here recess 10 of the movable frame 1, so that the lower edge of the locking pin 6 on the hardly recognizable here bevel 12 of version 1 (see FIG. 1 ) loads.
  • the second lamp 4 After decommissioning of the medical lamp (operating light) is then brought out of the centering position by rotation of the pivoting device 16, the second lamp 4, the lamp 3 for normal operation now in its starting position, in which it can be replaced in a simple manner.
  • FIG. 3 is the lamp body 23 according to the invention in the center 25 of a surgical lamp 24, wherein the outer periphery of the housing of the lamp body 23 has a system of ring lenses 26, as for example from the DE 200 04 384 U1 are known.
  • the lamp body 23 is surrounded by a ring-reflector 27 which is electrically and mechanically fixedly connected via a diametrically extending connecting web 28 with the lamp body 23.
  • the connecting web 28 is provided in the connection region to the ring reflector 27 with a connection 29 for the electrical and mechanical connection of the operating light 24 with a lamp holder 30, which is shown only in fragmentary form here.
  • the mirror surface 31 provided for reflection of the radiation emanating from the lamp body 23 can be seen on the inside of the ring reflector 27, by means of which the radiation is deflected in the direction of an operating field.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Endoscopes (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Materials For Medical Uses (AREA)

Claims (10)

  1. Coupole pour un éclairage médical, éclairage opératoire en particulier, avec au moins deux ampoules électriques dont une première ampoule est assignée, avec sa douille, à une position centrale donnée dans la partie fixe de la coupole en fonctionnement normal, alors qu'une seconde ampoule est située, avec sa douille, dans une position de réserve différente de la position centrale, tandis qu'en cas de défaillance de la première ampoule les positions des deux douilles peuvent être échangées par un mécanisme pivotant actionné éléctromagnetiquement afin que la seconde ampoule puisse pivoter dans la position centrale pour un fonctionnement sur l'ampoule de réserve, après que la première ampoule ait été retirée de cette position centrale, cependant que la première ampoule (3) est caractéristique d'une ampoule à décharge à deux culots, un sur chaque extrémité, et muni de contacts de connexion s'opposant axialement, celle-ci étant maintenue en contact électrique par l'une de ses extrémités avec une seconde ampoule de type lampe à incandescence (4) dans la première douille (1), qui est conçue comme partie d'un mécanisme pivotant (16) rotatif, coaxial et peu espacé d'une seconde douille (15) destinée à maintenir et assurer le contact électrique de l'autre extrémité de l'ampoule à décharge, alors qu'une rotation du mécanisme pivotant (16) peut être déclenchée par un déverrouillage au moyen d'un ressort de torsion (8) tendu entre le mécanisme pivotant (16) et la partie fixe de la coupole.
  2. Coupole d'éclairage d'après revendication 1, caractérisée par le fait que la rotation du mécanisme pivotant (16) peut être provoqué par le déverrouillage électromagnétique d'une goupille de verrouillage (6) à emboîtement serré dans l'une de douilles (1, 15) et d'un dispositif de blocage mécaniquement connecté à la partie fixe (2) de l'éclairage.
  3. Coupole d'éclairage d'après revendication 1 ou 2, caractérisée par le fait que le ressort de torsion (8) est connecté à un point du mécanisme pivotant (16) excentrée par rapport à l'axe de rotation (17) de ce mécanisme pivotant (16).
  4. Coupole d'éclairage d'après une des revendications 1 à 3, caractérisée par le fait qu'une des deux douilles comporte au moins un alésage (10) pour l'emboîtement serré par encliquetage de la goupille de verrouillage (6), alors que cette goupille de verrouillage est mise sous tension mécaniquement, via un ressort de pression tendu (9), dans la direction opposée de la course du dispositif de blocage, lui-même muni d'un aimant de levage (5).
  5. Coupole d'éclairage d'après une des revendications 1 à 4, caractérisée par le fait que la goupille de verrouillage (6) se trouve en dehors de l'alésage (10) de la douille (1) quand le dispositif de blocage est excité magnétiquement.
  6. Coupole d'éclairage d'après une des revendications 1 à 5, caractérisée par le fait que la douille (1) comporte une pente (12) sur laquelle la goupille de verrouillage (6) peut glisser en direction de l'alésage (10).
  7. Coupole d'éclairage d'après revendication 6, caractérisée par le fait qu'une rotation du mécanisme pivotant (16) contre la puissance du ressort de torsion (8) est nécessaire pour le positionnement de la première ampoule (3) dans la position centrale.
  8. Coupole d'éclairage d'après revendication 7, caractérisée par le fait que la première ampoule (3) est uniquement accessible, pour pouvoir la changer, lorsque celle-ci est dans la position centrale.
  9. Coupole d'éclairage d'après une des revendications 1 à 8, caractérisée par le fait que les contacts de connexion opposés des deux douilles de l'ampoule à décharge sont positionnés le long d'un axe qui est parallèle à l'axe (17) du mécanisme pivotant (16).
  10. Utilisation d'une coupole d'éclairage d'après une des revendications 1 à 9 dans un projecteur chirurgical d'une forme annulaire, qui comporte un réflecteur circulaire situé à distance du centre de la coupole.
EP02025736A 2001-11-19 2002-11-15 Armature lumineuse pour une lampe médicale et son utilisation Expired - Lifetime EP1312857B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10156307A DE10156307B4 (de) 2001-11-19 2001-11-19 Leuchtenkörper für eine medizinische Leuchte sowie dessen Verwendung
DE10156307 2001-11-19

Publications (2)

Publication Number Publication Date
EP1312857A1 EP1312857A1 (fr) 2003-05-21
EP1312857B1 true EP1312857B1 (fr) 2008-07-09

Family

ID=7705977

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02025736A Expired - Lifetime EP1312857B1 (fr) 2001-11-19 2002-11-15 Armature lumineuse pour une lampe médicale et son utilisation

Country Status (8)

Country Link
US (1) US6715895B2 (fr)
EP (1) EP1312857B1 (fr)
JP (1) JP4206258B2 (fr)
AT (1) ATE400773T1 (fr)
DE (2) DE10156307B4 (fr)
DK (1) DK1312857T3 (fr)
ES (1) ES2310198T3 (fr)
PT (1) PT1312857E (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4531548B2 (ja) * 2004-12-14 2010-08-25 Ｈｏｙａ株式会社 内視鏡用光源装置
EP2663803B1 (fr) * 2011-01-14 2016-05-18 Ondal Holding GmbH Dispositif d'éclairage
US10690334B2 (en) * 2015-02-25 2020-06-23 CAO Group, LLC Operatory lights and replacement bulbs for operatory lights

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1037566A (en) * 1911-11-06 1912-09-03 Adams & West Lake Company Electric signal-lamp.
US1895543A (en) * 1930-04-02 1933-01-31 Brent S Finch Revoluble illuminated signal
US2310618A (en) * 1940-01-18 1943-02-09 Crouse Hinds Co Lighting unit
US3308338A (en) * 1964-07-06 1967-03-07 Seidler Robert Device for automatically replacing an open circuited lamp with a new lamp
US5032962A (en) * 1990-03-16 1991-07-16 American Sterilizer Company Redundant lamp mechanism
DE19507305A1 (de) * 1995-03-02 1996-09-05 Delma Elektro Med App Operationsleuchte mit Hauptlampe und Ersatzlampe
DE19711599B4 (de) * 1997-03-20 2009-06-04 Carl Zeiss Surgical Gmbh Beleuchtungseinrichtung
DE29921180U1 (de) * 1999-12-03 2000-09-07 Heraeus Med Gmbh Ausfallsichere Leuchte, insbesondere Leuchte für medizinische Anwendungen
DE20004384U1 (de) * 2000-03-13 2000-10-26 Heraeus Med Gmbh Operationsleuchte mit einem Leuchtenkörper, der eine Entladungslampe aufweist

Also Published As

Publication number Publication date
DE50212467D1 (de) 2008-08-21
DE10156307B4 (de) 2006-01-05
JP4206258B2 (ja) 2009-01-07
DK1312857T3 (da) 2008-11-10
EP1312857A1 (fr) 2003-05-21
JP2003180709A (ja) 2003-07-02
US20030165053A1 (en) 2003-09-04
ATE400773T1 (de) 2008-07-15
ES2310198T3 (es) 2009-01-01
PT1312857E (pt) 2008-09-25
US6715895B2 (en) 2004-04-06
DE10156307A1 (de) 2003-06-05

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