EP0840059A2 - Lampe scialytique - Google Patents

Lampe scialytique Download PDF

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Publication number
EP0840059A2
EP0840059A2 EP97116551A EP97116551A EP0840059A2 EP 0840059 A2 EP0840059 A2 EP 0840059A2 EP 97116551 A EP97116551 A EP 97116551A EP 97116551 A EP97116551 A EP 97116551A EP 0840059 A2 EP0840059 A2 EP 0840059A2
Authority
EP
European Patent Office
Prior art keywords
light
hollow reflector
field
environment
main
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.)
Withdrawn
Application number
EP97116551A
Other languages
German (de)
English (en)
Other versions
EP0840059A3 (fr
Inventor
Manfred Scholz
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.)
Gebrueder Berchtold GmbH and Co KG
Original Assignee
Gebrueder Berchtold GmbH and Co KG
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 Gebrueder Berchtold GmbH and Co KG filed Critical Gebrueder Berchtold GmbH and Co KG
Publication of EP0840059A2 publication Critical patent/EP0840059A2/fr
Publication of EP0840059A3 publication Critical patent/EP0840059A3/fr
Withdrawn legal-status Critical Current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
    • F21V7/00—Reflectors for light sources
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • 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 an operating light according to the preamble of claim 1.
  • Such lights are e.g. known from German patents 32 43 709 and 32 43 710.
  • a suitable design of the hollow reflector ensures that the area of a medical operation is illuminated as brightly as possible and free of shadows.
  • a ring-shaped additional reflector has been attached below the lamp, which can be moved into the hollow reflector in order to allow part of the lamp light to strike the operating field more steeply (EP 0 468 287 B1).
  • auxiliary ring reflectors have already been provided within the main hollow reflector for the purpose of reducing the size of the hollow reflector while maintaining the illuminance (DE-OS 41 40 325).
  • the purpose of the special measures on known hollow ring reflectors is in each case to obtain a light field which is illuminated as uniformly as possible and has a diameter of approximately 15 to 30 cm.
  • ever brighter lamps and better reflecting hollow reflectors have been used, since bleeding meat in an open wound absorbs a large part of the incident light and reflects only a small part, so that the surgeon can only properly observe the operation when the illuminance is sufficiently high .
  • illuminance levels of up to 150,000 lux are achieved with surgical lights, but this results in an unbearably bright and glaring light on a light background, which quickly tires the eyes. Since the room light available in an operating room has an illuminance of approximately Should generate 1000 lux, the ratio of the maximum illuminance of the surgical light to that of the room lighting is 150: 1. This leads to severe eye fatigue.
  • the aim of the present invention is to provide an operating light of the type mentioned at the outset, which can work with the highest illuminance levels without tiring the operator's eyes.
  • the idea of the invention is therefore to be seen in the fact that beyond the weak light environment that occurs due to the unavoidable scattering effects and imperfections of the reflectors, the aim is to create a consciously generated light environment that is directly adjacent to the main light field and that is in such a ratio with regard to its illuminance
  • the illuminance of the main light field means that fatigue in the eyes of the surgeon is counteracted, at least to a considerable extent. In this way it is possible to achieve a gradation between the maximum illuminance in the main light field and in the light environment of only about 30: 1.
  • the difference is the reflected light of the wound that is actually detected by the eye and the environment due to the measures according to the invention very low. This prevents premature eye fatigue. If you had a system with a similarly high peak illuminance and a not gradually decreasing illuminance in the surroundings, so the strong absorption of the wound and the low absorption of the surroundings would result in the effect of a dark hole in the middle. This is undesirable. According to the invention, it is important that the drop from the light intensity in the main light field to the light environment takes place over the shortest possible distance, which should be a few cm.
  • the illuminance should be as constant as possible and decrease as little as possible radially outwards.
  • the outside diameter of the light environment according to the invention is about 50 to 90 cm, but should be at least 40 cm.
  • a hollow ring reflector 14 with a central axis 23 is arranged in the downwardly open housing 11 of an operating light according to the invention, which is essentially parabolic or partially spherical and has a light exit opening 12 at the bottom, which is open through an opening Side of the housing provided translucent pane 18 is covered, for example, from cathedral glass.
  • the disk 18 has an opening 19 in the center in which a plate arrangement 20 is fastened with a handle 21 for pivoting the housing 11.
  • a lamp 13 is fastened above the plate arrangement 20 in the region of the focal point of the hollow reflector 14 and is surrounded by a circular cylindrical filter 22 which absorbs primarily IR radiation and which detects all of the light radiation reaching the hollow reflector 14 and can also filter out UV components.
  • the hollow reflector 14 is parabolic or part-spherical in most of its surface in order to concentrate the light emitted by the lamp 13 on an operating field 24 in a main light field 15 arranged at a distance below the housing 11 and around the central axis 23 of the housing 11
  • the lower region of the hollow reflector 14 is slightly convexly curved and finally widened conically outwards in such a way that an annular region 14 'concentric with the central axis 23 is formed in the lower end region of the hollow reflector 14, which is there incident light from the lamp 13 specifically directed into a light environment 17 which surrounds the main light field 15 radially adjacent.
  • the design and size of the annular area 14 ' are selected such that the light environment 17 is also uniformly illuminated, but with a significantly reduced illuminance in the ratio of e.g. 1:30 in relation to the illuminance in the main light field 15.
  • FIG. 3 shows the light distribution that can be achieved by the surgical light described, the dependence the illuminance in kilo-lux from the radius of the main light field 15 or the concentric light environment 17 is shown schematically.
  • This diagram shows that the maximum illuminance in the area of the central axis 23 of the housing 11 is over 100 klx and then drops to a value well below 10 klx up to an area with a radius of approximately 28 cm, which is the illuminance in the light environment 17 corresponds. From this radius onwards, the illuminance remains approximately constant up to a diameter of approx. 50 cm or only drops slightly here, in order to finally change to the illuminance R of the room lighting, which is approx. 1 klx, at a diameter of approx. 60 cm.
  • the illuminance b in the light environment 17 is approximately 5 to 30 klx.
  • the ring hollow reflector 14 is parabolic or partially spherical up to its largest diameter.
  • an auxiliary ring reflector 16 is arranged within the upper central opening of the hollow reflector 14, which has an inclination and / or curvature such that the light of the lamp 13 striking it via a part of the main hollow reflector 14 into the light environment 17 and the main light field 15 is directed so that the overlap in the main light field 15, even when the working distance between the main light field 15 and the light environment 17 changes, can never result in an illumination gap.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP97116551A 1996-10-29 1997-09-23 Lampe scialytique Withdrawn EP0840059A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19644959 1996-10-29
DE19644959A DE19644959A1 (de) 1996-10-29 1996-10-29 Operationsleuchte

Publications (2)

Publication Number Publication Date
EP0840059A2 true EP0840059A2 (fr) 1998-05-06
EP0840059A3 EP0840059A3 (fr) 1999-09-08

Family

ID=7810327

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97116551A Withdrawn EP0840059A3 (fr) 1996-10-29 1997-09-23 Lampe scialytique

Country Status (3)

Country Link
US (1) US6132067A (fr)
EP (1) EP0840059A3 (fr)
DE (1) DE19644959A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103807625A (zh) * 2012-11-12 2014-05-21 南昌迈柯尔医疗器械有限公司 一种整体反射led灯头装置及利用该装置的无影灯

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW563264B (en) * 2002-10-11 2003-11-21 Highlink Technology Corp Base of optoelectronic device
US6874914B2 (en) * 2002-12-04 2005-04-05 Sage Technology, Llc Adjustable lighting system
US8016470B2 (en) * 2007-10-05 2011-09-13 Dental Equipment, Llc LED-based dental exam lamp with variable chromaticity
CN101451678A (zh) * 2007-12-06 2009-06-10 富士迈半导体精密工业（上海）有限公司 固态照明装置
EP3812649A4 (fr) * 2018-06-22 2021-06-02 Nanjing Mindray Bio-Medical Electronics Co., Ltd. Lampe chirurgicale

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3243709C2 (fr) 1982-11-25 1990-10-31 Delma, Elektro- Und Medizinische Apparatebaugesellschaft Mbh, 7200 Tuttlingen, De
DE3243710C2 (fr) 1982-11-25 1991-12-12 Delma, Elektro- Und Medizinische Apparatebaugesellschaft Mbh, 7200 Tuttlingen, De
DE4140325A1 (de) 1991-12-06 1993-06-09 Delma Elektro- Und Medizinische Apparatebau Gmbh, 7200 Tuttlingen, De Operationsleuchte
EP0468287B1 (fr) 1990-07-23 1994-05-18 DELMA ELEKTRO-UND MEDIZINISCHE APPARATEBAU GESELLSCHAFT mbH Lampe scialytique

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1286535A (en) * 1917-12-19 1918-12-03 Wesley E Cochran Lighting-fixture.
DE483950C (de) * 1926-02-16 1929-10-08 Koerting & Mathiesen A G Kohlen-Bogenlampe fuer therapeutische Zwecke
US2126650A (en) * 1935-09-09 1938-08-09 Superlux Corp Lighting device
DE849832C (de) * 1950-08-26 1952-09-18 Hueper & Schmidt K G Schlagschattenfreier Reflektor, insbesondere fuer Operationszwecke
FR1045467A (fr) * 1951-11-26 1953-11-26 Dispositif d'éclairage notamment pour champ opératoire
FR66975E (fr) * 1954-10-02 1957-11-04 Dispositif d'éclairage notamment pour champ opératoire
US4280167A (en) * 1979-09-13 1981-07-21 Ellett Edwin W Operating room surgical lamp
US4447865A (en) * 1982-05-13 1984-05-08 General Electric Company Reflector lamp
DE3238876C2 (de) * 1982-10-18 1985-01-17 Franz Sill Gmbh, 1000 Berlin Reflektor für eine mit einer Hochdruckentladungslampe versehene Decken-Einbauleuchte
US4651257A (en) * 1985-07-15 1987-03-17 American Sterilizer Company Multiple source lighting fixture
US4617619A (en) * 1985-10-02 1986-10-14 American Sterilizer Company Reflector for multiple source lighting fixture
DE3605226A1 (de) * 1986-02-19 1987-08-27 Daume & Jordan Gmbh & Co Kg Blendungsfreie leuchte mit streifenfoermigem abblendreflektor
DE3638669A1 (de) * 1986-11-12 1988-05-26 Auer Sog Glaswerke Gmbh Reflektor fuer zahnaerztliche und chirurgische operationsleuchten
US5001616A (en) * 1990-03-16 1991-03-19 American Sterilizer Company Optical system for lighting fixture
US5067064A (en) * 1990-03-16 1991-11-19 American Sterilizer Company Pattern change mechanism
DE4033625A1 (de) * 1990-10-23 1992-04-30 Bieroth Heinz Beleuchtung eines operationstisches
US5373430A (en) * 1992-04-16 1994-12-13 Mcdermott; Kevin Wide angle beam pattern lamp
US5582478A (en) * 1993-10-29 1996-12-10 Ambrosino; Donald J. Food covering system with illuminating and/or moving decorations
US5791768A (en) * 1997-04-17 1998-08-11 Stingray Lighting, Inc. Dual reflector lighting system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3243709C2 (fr) 1982-11-25 1990-10-31 Delma, Elektro- Und Medizinische Apparatebaugesellschaft Mbh, 7200 Tuttlingen, De
DE3243710C2 (fr) 1982-11-25 1991-12-12 Delma, Elektro- Und Medizinische Apparatebaugesellschaft Mbh, 7200 Tuttlingen, De
EP0468287B1 (fr) 1990-07-23 1994-05-18 DELMA ELEKTRO-UND MEDIZINISCHE APPARATEBAU GESELLSCHAFT mbH Lampe scialytique
DE4140325A1 (de) 1991-12-06 1993-06-09 Delma Elektro- Und Medizinische Apparatebau Gmbh, 7200 Tuttlingen, De Operationsleuchte

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103807625A (zh) * 2012-11-12 2014-05-21 南昌迈柯尔医疗器械有限公司 一种整体反射led灯头装置及利用该装置的无影灯

Also Published As

Publication number Publication date
US6132067A (en) 2000-10-17
DE19644959A1 (de) 1998-04-30
EP0840059A3 (fr) 1999-09-08

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