EP1568936A1 - Surgical lamp and method of illumination of an operating theatre - Google Patents

Surgical lamp and method of illumination of an operating theatre Download PDF

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Publication number
EP1568936A1
EP1568936A1 EP04004602A EP04004602A EP1568936A1 EP 1568936 A1 EP1568936 A1 EP 1568936A1 EP 04004602 A EP04004602 A EP 04004602A EP 04004602 A EP04004602 A EP 04004602A EP 1568936 A1 EP1568936 A1 EP 1568936A1
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EP
European Patent Office
Prior art keywords
light
leds
operating
dimming
colored
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Withdrawn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
EP04004602A
Other languages
German (de)
French (fr)
Inventor
Berthold Leibinger
Christian Bartenbach
Rudolf Marka
Kamran Tahbazian
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.)
Trumpf Medizin Systeme GmbH and Co KG
Original Assignee
Trumpf Kreuzer Medizin Systeme 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 Trumpf Kreuzer Medizin Systeme GmbH and Co KG filed Critical Trumpf Kreuzer Medizin Systeme GmbH and Co KG
Priority to EP04004602A priority Critical patent/EP1568936A1/en
Priority to DE502004001595T priority patent/DE502004001595D1/en
Priority to EP04018642A priority patent/EP1568938B1/en
Priority to AT04018642T priority patent/ATE340963T1/en
Priority to DE202004021854U priority patent/DE202004021854U1/en
Priority to CNB2005100524370A priority patent/CN100473892C/en
Priority to US11/067,580 priority patent/US7614763B2/en
Priority to JP2005054108A priority patent/JP5048927B2/en
Publication of EP1568936A1 publication Critical patent/EP1568936A1/en
Withdrawn legal-status Critical Current

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    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the invention relates to a surgical lamp and a method for Illumination of an operation site.
  • the human eye is used to daylight.
  • the sight is on the Adapted daylight.
  • the human eye detects most exact contours, differs in the most differentiated colors and detects movements most clearly.
  • a spectral distribution can be assigned a color temperature become.
  • daylight has a color temperature of 5,600 Kelvin.
  • Kruithoffs Comfort curve the color temperature with the illuminance must be adjusted to a pleasant lighting situation create.
  • the light in the operating room becomes white with a light Color temperature of about 4,500 Kelvin at high illuminance levels (> 100 000 lux) recommended.
  • WO 03/019072 A1 relates to a similar technical teaching.
  • the Applicant has set itself the task of using LEDs To allow operating lights.
  • the basic structure consists of white LEDs. Colored by mixing Light, which is generated by LEDs, it is possible to use a mixed light with to produce suitable photometric data for surgical ligaments.
  • the Intensity of the luminous flux i. the one emitted by the LEDs or the reflected light from a body of at least the colored LEDs can be infinitely varied independently of the white LEDs. These Dimming allows the adjustment of the color temperature and the Color reproduction in a wide area suitable for surgical lights. Alone by the admixture and regulation of colored, such as blue or cyan LEDs combined with white LEDs can be simple Way produces an optimal color for light operation of the light become.
  • the dimming can be achieved by mechanical and / or optical means become.
  • a dimming can be caused by a change of the LED electric current and / or the electrical voltage can be generated.
  • apertures, lenses or optical filters, which in the Beam input to be moved, a change in the luminous flux cause.
  • a control device in conjunction with corresponding sensors can it allow a desired color temperature and / or Color reproduction can be set and monitored and readjusted.
  • the control device allows the surgeon to individually his needs adjusted lighting conditions in the surgical field to accomplish.
  • the operating light 1 comprises a lamp body 2 , which has in its interior in Fig. 1 not visible lighting means.
  • the lamp body 2 is pivotally mounted on a stationary bracket on a ceiling or a wall of a building or a mobile unit via a not completely shown in Fig. 1 pivot arm.
  • the swivel arm is composed of several interconnected via joints elements.
  • a fixedly connected to the operating light 1 element 4 of the pivot arm is indicated in Fig. 1 only. Therefore, the operation lamp 1 can be three-dimensionally moved and pivoted in X, Y, Z direction.
  • a mounted on the lamp body 2 handle 3 allows the positioning of the surgical light at any position on an operating table.
  • the handle 3 is detachably attached to the underside 5 of the operating light.
  • FIG. 2 shows that individual light modules 6a to 6g are joined to one another almost without borders as a light source. Borderless in the sense of the invention means that the transitions between the individual light modules 6a to 6g have no significant influence on the optical properties, in particular on the light emission in the direction of the surgical site. The generated light is perceived as uniform despite the light source composed of a plurality of light modules 6a to 6g.
  • Each light module 6a to 6g in turn comprises a plurality of individual LEDs, for example 30 to 50. This results in photometric advantages similar to large mirror lights such as a theoretically optimal freedom from shadow by large-scale light emission.
  • Each light module 6a to 6g can even illuminate a complete surgical site.
  • Light generated by the light modules 6a to 6g is indicated by dashed lines by the light beams 7 , so that a luminous field 8 is formed.
  • the light field 8 is the area illuminated on the operating table.
  • the light modules 6a to 6g can be assembled by any combination with other light modules to different overall modules as a light source. This changes the luminous field size, the illuminance and the shape of the luminous field 8.
  • the individual light modules for example the light module 6a shown in FIG. 3 , each consist of a housing 9 with mechanical and / or electrical or electronic connecting elements or connectors to adjacent light modules 6b to 6g.
  • the shape of the light modules 6a to 6g is designed so that they can be arranged on a spherical surface with a typical radius 1000 mm without gaps. To achieve this, the light modules 6a to 6g are formed as hexagons. In compound form, a kind of honeycomb structure or facet structure results.
  • the surface of the light modules 6a to 6g facing the surgical site does not necessarily have to be flat, but may be slightly concave in order to simulate the curvature of the spherical surface better.
  • the optical axis of each light module 6a to 6g generally points to the focal point of the spherical surface.
  • each light module 6a to 6g a plurality of, approximately 30 to 50 LEDs are distributed uniformly, of which only three are shown in FIG. 3 and designated by reference numerals 10a to 10c .
  • the shadowing is optimized by a flat light emission.
  • each of the almost point-emitting LEDs are assigned suitable optical elements, for example lenses 11a to 11c. (indicated by dashed lines are, for example, the LED light beams 12a to 12c ).
  • the shape of the lens elements 11a to 11c is designed to be the Fill light module 6a as far as possible to the edge.
  • the lens elements 11a to 11c can also have a scattering structure to equalize the Have light field.
  • the underside 5 of the light modules can by a be covered transparent pane.
  • the individual light modules 6a to 6g together form a light source with a color temperature of about 4,500 K and a color rendering index Ra> 93 in order to achieve a natural color representation, for example of the tissue to be operated. Therefore, not only LEDs are used which generate white light, but also LEDs 10a to 10c which generate colored light. In Fig. 3, those LEDs for generating white light are not denoted by reference numerals.
  • the white LEDs are designed analogous to the colored ones. By admixing colored light components such as cyan and blue, a collapse in the spectrum is partially compensated, as in an arrangement with pure white LEDs. Furthermore, it is possible to produce color mixtures that improve the visual performance of the surgeon.
  • the color temperature and color rendering of the mixed light generated by the total module can be variably adjusted by exclusively stepless dimming of the intensity of the colored LEDs.
  • the luminous flux intensity of the colored LEDs 10a to 10c can be changed continuously. It would also be desirable to keep the overall illuminance constant by means of coordinated intensity control of all LEDs.
  • the LEDs 10a to 10c are connected via power lines 13a to 13c and 14 to a control device 15 , which allows an electrical dimming of the luminous flux of the LEDs.
  • the electrical dimming of the colored LEDs 10a to 10c causes a change in the color temperature and / or the color reproduction, which is advantageous for the illumination of the surgical site.
  • the surgeon uses the adjustability in such a way that he mixes colored and white light according to his needs in order to emphasize special tissue types or tissue changes in a visually differentiated manner. The surgeon can better recognize individual tissue types or tissue changes.

Abstract

The lighting unit consists of a number of modules [6a] having a hexagonal shape that fit together to form a dish shaped unit that focuses light onto a central region. Each module has a number of light emitting diodes, LED, as lighting elements [10] each with a lens [11] that are coupled to a regulator to control dimming.

Description

Die Erfindung betrifft eine Operationsleuchte und ein Verfahren zur Ausleuchtung einer Operationsstelle.The invention relates to a surgical lamp and a method for Illumination of an operation site.

Beispielsweise durch die DE 198 38 627 A1 ist eine Operationsleuchte bekannt geworden.For example, by DE 198 38 627 A1 is a surgical light known.

Das menschliche Auge ist an Tageslicht gewöhnt. Der Sehvorgang ist an das Tageslicht angepasst. Bei Tageslicht erkennt das menschliche Auge am exaktesten Konturen, unterscheidet am differenziertesten Farben und erkennt Bewegungen am deutlichsten.The human eye is used to daylight. The sight is on the Adapted daylight. In daylight, the human eye detects most exact contours, differs in the most differentiated colors and detects movements most clearly.

Daher ist es wünschenswert, im Operationssaal Verhältnisse zu schaffen, welche dem Tageslicht vergleichbar sind. Der Operateur benötigt ein intensives und tageslichtähnliches Licht. Hinzu kommt, dass die Operationsstelle Licht nicht reflektiert, sondern dieses absorbiert wird.Therefore, it is desirable to create conditions in the operating room, which are comparable to the daylight. The surgeon needs a intense and daylight-like light. In addition, the Operation site light is not reflected, but this is absorbed.

Jeder Farbeindruck wird durch die spektrale Verteilung des Lichtes bestimmt. Einer spektralen Verteilung kann eine Farbtemperatur zugeordnet werden. Tageslicht beispielsweise hat eine Farbtemperatur von 5.600 Kelvin. In der Literatur ist bekannt, dass gemäß der Kruithoffschen Behaglichkeitskurve die Farbtemperatur mit der Beleuchtungsstärke abgestimmt sein muss, um eine angenehme Beleuchtungssituation zu schaffen. Für das Licht im Operationssaal wird weißes Licht mit einer Farbtemperatur von ca. 4.500 Kelvin bei hohen Beleuchtungsstärken (>100 000 Lux) empfohlen.Every color impression is due to the spectral distribution of the light certainly. A spectral distribution can be assigned a color temperature become. For example, daylight has a color temperature of 5,600 Kelvin. In the literature it is known that according to the Kruithoffs Comfort curve the color temperature with the illuminance must be adjusted to a pleasant lighting situation create. The light in the operating room becomes white with a light Color temperature of about 4,500 Kelvin at high illuminance levels (> 100 000 lux) recommended.

Operationsleuchten mit LEDs als Leuchtmittel weisen bisher eine ungeeignete Farbtemperatur und Farbwiedergabe auf. Daher muss bei Operationsleuchten das Licht der LEDs durch geeignete Maßnahmen modifiziert werden.Operating lights with LEDs as bulbs have so far unsuitable color temperature and color reproduction. Therefore, at Operating lights the light of the LEDs by appropriate measures be modified.

Durch die DE 100 31 303 A1 ist eine Beleuchtungsvorrichtung bekannt geworden, bei der lichtemittierende Dioden (LEDs) hinsichtlich ihrer Farbe gemischt werden. Die LEDs sind zur Erzeugung bestimmter Farbtemperaturen einzeln ansteuerbar. In dem Dokument ist die Anwendung bei Operationsleuchten nicht beschrieben.From DE 100 31 303 A1 a lighting device is known become, with the light-emitting diodes (LEDs) with respect to their color be mixed. The LEDs are designed to generate certain Color temperatures individually controllable. In the document is the Application not described in operating lights.

Die WO 03/019072 A1 betrifft eine ähnliche technische Lehre.WO 03/019072 A1 relates to a similar technical teaching.

Der Anmelder hat sich die Aufgabe gestellt, den Einsatz von LEDs bei Operationsleuchten zu ermöglichen.The Applicant has set itself the task of using LEDs To allow operating lights.

Diese Aufgabe wird durch eine Operationsleuchte gemäß Patentanspruch 1 und ein Verfahren gemäß Patentanspruch 6 gelöst.This object is achieved by an operating light according to claim 1 and a method according to claim 6 solved.

Der Grundaufbau besteht aus weißen LEDs. Durch Zumischen farbigen Lichtes, welches durch LEDs erzeugt wird, ist es möglich, ein Mischlicht mit geeigneten lichttechnischen Daten für Operationsleuchen zu erzeugen. Die Intensität des Lichtstromes, d.h. die von den LEDs abgestrahlte oder die von einem Körper reflektierte Lichtleistung zumindest der farbigen LEDs kann unabhängig von den weißen LEDs stufenlos verändert werden. Diese Dimmung ermöglicht die Einstellung der Farbtemperatur und der Farbwiedergabe in einem weiten für Operationsleuchten geeigneten Bereich. Allein durch die Zumischung und Regelung farbiger, beispielsweise blauer oder cyanfarbiger LEDs kombiniert mit weißen LEDs kann auf einfache Weise eine für Operationen optimale Farbtemperatur des Lichtes erzeugt werden.The basic structure consists of white LEDs. Colored by mixing Light, which is generated by LEDs, it is possible to use a mixed light with to produce suitable photometric data for surgical ligaments. The Intensity of the luminous flux, i. the one emitted by the LEDs or the reflected light from a body of at least the colored LEDs can be infinitely varied independently of the white LEDs. These Dimming allows the adjustment of the color temperature and the Color reproduction in a wide area suitable for surgical lights. Alone by the admixture and regulation of colored, such as blue or cyan LEDs combined with white LEDs can be simple Way produces an optimal color for light operation of the light become.

Weiterbildungen der Erfindung sind in abhängigen Patentansprüchen 2 bis 5 (Operationsleuchte) und 7 bis 9 (Verfahren) enthalten.Further developments of the invention are in dependent claims 2 to 5 (Operating light) and 7 to 9 (method) included.

Die Dimmung kann durch mechanische und/oder optische Mittel erreicht werden. Eine Dimmung kann durch eine Änderung des der LED zugeführten elektrischen Stroms und/oder der elektrischen Spannung erzeugt werden. Alternativ können Blenden, Linsen oder optische Filter, welche in den Strahleneingang hinein bewegt werden, eine Veränderung des Lichtstromes bewirken.The dimming can be achieved by mechanical and / or optical means become. A dimming can be caused by a change of the LED electric current and / or the electrical voltage can be generated. Alternatively, apertures, lenses or optical filters, which in the Beam input to be moved, a change in the luminous flux cause.

Eine Steuereinrichtung in Verbindung mit entsprechenden Sensoren kann es ermöglichen, dass eine gewünschte Farbtemperatur und/oder Farbwiedergabe eingestellt und überwacht sowie nachgeregelt werden kann. Insbesondere erlaubt es die Steuereinrichtung dem Operateur individuell auf seine Bedürfnisse abgestimmte Beleuchtungsverhältnisse im Operationsfeld zu schaffen. Je nach Farbtemperatur oder Farbwiedergabe sind Hervorhebungen von verschiedenen Gewebestrukturen oder Gewebemerkmalen innerhalb der Operationsstelle möglich. A control device in conjunction with corresponding sensors can it allow a desired color temperature and / or Color reproduction can be set and monitored and readjusted. In particular, the control device allows the surgeon to individually his needs adjusted lighting conditions in the surgical field to accomplish. Depending on the color temperature or color reproduction Highlighting of different tissue structures or Tissue features possible within the surgical site.

Allgemeine weitere Vorteile:

  • Die Verwendung einer Vielzahl einzelner LEDs hat den Vorteil einer verbesserten Betriebssicherheit, weil in der Regel nicht alle LEDs gleichzeitig ausfallen, sondern stets eine sehr gute Restleuchtkraft gewährleistet ist.
  • LEDs haben den weiteren Vorteil, dass LEDs beliebig an- und ausgeschaltet werden können, während herkömmliche Entladungsleuchtmittel erst abkühlen müssen, bevor eine Wiedereinschaltung möglich ist.
  • LEDs besitzen eine höhere Lebensdauer. LEDs können stufenlos hinsichtlich ihrer Intensität geregelt werden. LEDs geben keine Wärmestrahlung ab. LEDs besitzen keinen IR- / UV- Anteil und weisen keine Farbveränderung bei einer Dimmung auf.
    • General further advantages:
  • The use of a plurality of individual LEDs has the advantage of improved reliability, because not all LEDs fail at the same time, but always a very good residual luminosity is guaranteed.
  • LEDs have the further advantage that LEDs can be switched on and off as desired, while conventional discharge lamps must first cool down before reclosing is possible.
  • LEDs have a longer life. LEDs can be infinitely variable in their intensity. LEDs do not emit heat radiation. LEDs have no IR / UV component and have no color change at dimming.

    • Ein bevorzugtes Ausführungsbeispiel der Erfindung ist in der Zeichnung schematisch dargestellt und wird nachfolgend mit Bezug zu den Figuren der Zeichnung näher erläutert. Es zeigt:

    Fig. 1
    eine Operationsleuchte;
    Fig. 2
    mehrere Lichtmodule der Operationsleuchte gemäß Fig. 1;
    Fig. 3
    den näheren Aufbau eines Lichtmoduls gemäß Fig. 2.
    A preferred embodiment of the invention is shown schematically in the drawing and will be explained below with reference to the figures of the drawing. It shows:
    Fig. 1
    a surgical light;
    Fig. 2
    a plurality of light modules of the surgical lamp according to FIG. 1;
    Fig. 3
    the detailed structure of a light module according to FIG. 2.

    Aus der Seitenansicht einer Operationsleuchte 1 (Fig. 1) ist deren prinzipieller an sich bekannter Aufbau ersichtlich. Die Operationsleuchte 1 umfasst einen Leuchtenkörper 2, welcher in seinem Innenraum in der Fig. 1 nicht sichtbare Leuchtmittel aufweist. Der Leuchtenkörper 2 ist über einen in der Fig. 1 nicht vollständig gezeigten Schwenkarm schwenkbar an einer stationären Halterung an einer Decke oder einer Wand eines Gebäudes oder einer mobilen Einheit befestigt. Der Schwenkarm ist aus mehreren über Gelenke miteinander verbundenen Elementen aufgebaut. Ein mit der Operationsleuchte 1 fest verbundenes Element 4 des Schwenkarms ist in der Fig. 1 lediglich angedeutet. Daher lässt sich die Operationsleuchte 1 in X-, Y-, Z-Richtung dreidimensional bewegen und schwenken. Ein an dem Leuchtenkörper 2 angebrachter Handgriff 3 ermöglicht die Positionierung der Operationsleuchte an beliebiger Stelle über einem Operationstisch. Der Handgriff 3 ist lösbar an der Unterseite 5 der Operationsleuchte angebracht.From the side view of an operating light 1 ( FIG. 1 ), the basic structure known per se can be seen. The operating light 1 comprises a lamp body 2 , which has in its interior in Fig. 1 not visible lighting means. The lamp body 2 is pivotally mounted on a stationary bracket on a ceiling or a wall of a building or a mobile unit via a not completely shown in Fig. 1 pivot arm. The swivel arm is composed of several interconnected via joints elements. A fixedly connected to the operating light 1 element 4 of the pivot arm is indicated in Fig. 1 only. Therefore, the operation lamp 1 can be three-dimensionally moved and pivoted in X, Y, Z direction. A mounted on the lamp body 2 handle 3 allows the positioning of the surgical light at any position on an operating table. The handle 3 is detachably attached to the underside 5 of the operating light.

    An der Unterseite 5 tritt Licht aus, um die Operationsstelle auszuleuchten.Light exits at the bottom 5 to illuminate the surgical site.

    Fig. 2 zeigt, dass als Lichtquelle einzelne Lichtmodule 6a bis 6g nahezu randlos aneinander gefügt sind. Randlos bedeutet im Sinne der Erfindung, dass die Übergänge zwischen den einzelnen Lichtmodulen 6a bis 6g keinen wesentlichen Einfluss auf die optischen Eigenschaften, insbesondere auf den Lichtaustritt in Richtung der Operationsstelle, besitzen. Das erzeugte Licht wird trotz der aus mehreren Lichtmodulen 6a bis 6g zusammengesetzten Lichtquelle als einheitlich wahrgenommen. Jedes Lichtmodul 6a bis 6g umfasst wiederum eine Vielzahl einzelner LEDs, beispielsweise 30 bis 50. Hieraus ergeben sich lichttechnische Vorteile analog zu Großspiegelleuchten wie eine theoretisch optimale Schattenfreiheit durch großflächigen Lichtaustritt. Jedes Lichtmodul 6a bis 6g kann selbst eine komplette Operationsstelle ausleuchten. Von den Lichtmodulen 6a bis 6g erzeugtes Licht ist durch die Lichtstrahlen 7 gestrichelt angedeutet, so dass ein Leuchtfeld 8 entsteht. Das Leuchtfeld 8 ist die auf dem Operationstisch beleuchtete Fläche. Die Lichtmodule 6a bis 6g können durch beliebige Kombination mit weiteren Lichtmodulen zu unterschiedlichsten Gesamtmodulen als Lichtquelle zusammengesetzt werden. Dies verändert die Leuchtfeldgröße, die Beleuchtungsstärke und die Form des Leuchtfeldes 8. FIG. 2 shows that individual light modules 6a to 6g are joined to one another almost without borders as a light source. Borderless in the sense of the invention means that the transitions between the individual light modules 6a to 6g have no significant influence on the optical properties, in particular on the light emission in the direction of the surgical site. The generated light is perceived as uniform despite the light source composed of a plurality of light modules 6a to 6g. Each light module 6a to 6g in turn comprises a plurality of individual LEDs, for example 30 to 50. This results in photometric advantages similar to large mirror lights such as a theoretically optimal freedom from shadow by large-scale light emission. Each light module 6a to 6g can even illuminate a complete surgical site. Light generated by the light modules 6a to 6g is indicated by dashed lines by the light beams 7 , so that a luminous field 8 is formed. The light field 8 is the area illuminated on the operating table. The light modules 6a to 6g can be assembled by any combination with other light modules to different overall modules as a light source. This changes the luminous field size, the illuminance and the shape of the luminous field 8.

    Die einzelnen Lichtmodule, beispielsweise das in der Fig. 3 gezeigte Lichtmodul 6a, bestehen alle jeweils aus einem Gehäuse 9 mit mechanischen und/oder elektrischen oder elektronischen Verbindungselementen oder Konnektoren zu benachbarten Lichtmodulen 6b bis 6g. Die Form der Lichtmodule 6a bis 6g ist so gestaltet, dass sie auf einer Kugelfläche mit typischem Radius 1000 mm ohne Zwischenräume angeordnet werden können. Um dies zu erreichen, sind die Lichtmodule 6a bis 6g als Sechsecke ausgebildet. In zusammengesetzter Form ergibt sich eine Art Wabenstruktur oder Facettenstruktur. Die der Operationsstelle zugewandte Fläche der Lichtmodule 6a bis 6g muss auch nicht zwingend eben ausgebildet sein, sondern kann leicht konkav sein, um die Krümmung der Kugelfläche besser nachzubilden. Die optische Achse jedes Lichtmoduls 6a bis 6g weist im Allgemeinen in den Brennpunkt der Kugelfläche.The individual light modules, for example the light module 6a shown in FIG. 3 , each consist of a housing 9 with mechanical and / or electrical or electronic connecting elements or connectors to adjacent light modules 6b to 6g. The shape of the light modules 6a to 6g is designed so that they can be arranged on a spherical surface with a typical radius 1000 mm without gaps. To achieve this, the light modules 6a to 6g are formed as hexagons. In compound form, a kind of honeycomb structure or facet structure results. The surface of the light modules 6a to 6g facing the surgical site does not necessarily have to be flat, but may be slightly concave in order to simulate the curvature of the spherical surface better. The optical axis of each light module 6a to 6g generally points to the focal point of the spherical surface.

    Unterschiedliche Lichtfeldformen können durch die Aneinanderreihung von Modulen mit verändertem Anstellwinkel erzeugt werden. Dazu können auch Zwischenelemente zum Einsatz kommen. In jedem Lichtmodul 6a bis 6g sind mehrere, ca. 30 bis 50 LEDs, gleichmäßig verteilt angeordnet, von denen in der Fig. 3 lediglich drei gezeigt und mit Bezugszeichen 10a bis 10c bezeichnet sind. Die Schattenbildung wird durch einen flächigen Lichtaustritt optimiert. Hierzu sind jeder der nahezu punktförmig strahlenden LEDs geeignete optische Elemente, z.B. Linsen 11a bis 11c zugeordnet. (gestrichelt angedeutet sind beispielhaft die LED-Lichtstrahlen 12a bis 12c). Different light field shapes can be created by juxtaposing modulated angle modules. For this purpose, intermediate elements can also be used. In each light module 6a to 6g, a plurality of, approximately 30 to 50 LEDs are distributed uniformly, of which only three are shown in FIG. 3 and designated by reference numerals 10a to 10c . The shadowing is optimized by a flat light emission. For this purpose, each of the almost point-emitting LEDs are assigned suitable optical elements, for example lenses 11a to 11c. (indicated by dashed lines are, for example, the LED light beams 12a to 12c ).

    Die Form der Linsenelemente 11a bis 11c ist so gestaltet, dass sie das Lichtmodul 6a möglichst bis zum Rand ausfüllen. Die Linsenelemente 11a bis 11c können zudem über eine Streustruktur zur Vergleichmäßigung des Lichtfeldes verfügen. Die Unterseite 5 der Lichtmodule kann durch eine transparente Scheibe abgedeckt sein.The shape of the lens elements 11a to 11c is designed to be the Fill light module 6a as far as possible to the edge. The lens elements 11a to 11c can also have a scattering structure to equalize the Have light field. The underside 5 of the light modules can by a be covered transparent pane.

    Die einzelnen Lichtmodule 6a bis 6g bilden zusammen eine Lichtquelle mit einer Farbtemperatur von ca. 4.500 K sowie eines Farbwiedergabeindexes Ra > 93, um eine natürliche Farbdarstellung, beispielsweise des zu operierenden Gewebes, zu erreichen. Deshalb kommen nicht nur LEDs zum Einsatz, welche weißes Licht erzeugen, sondern auch LEDs 10a bis 10c, welche farbiges Licht erzeugen In der Fig. 3 sind diejenigen LEDs zur Erzeugung weißen Lichtes nicht mit Bezugszeichen bezeichnet. Die weißen LEDs sind analog zu den farbigen ausgebildet. Durch Zumischung farbiger Lichtanteile wie Cyan und Blau wird ein Einbruch im Spektrum wie bei einer Anordnung mit rein weißen LEDs teilweise kompensiert. Ferner können gezielt Farbmischungen erzeugt werden, die die Sehleistung des Operateurs verbessern. Bei konstanter Helligkeit der weißen LEDs können durch ausschließliche stufenlose Dimmung der Intensität der farbigen LEDs die Farbtemperatur und Farbwiedergabe des durch das Gesamtmodul, bestehend aus allen einzelnen Lichtmodulen 6a bis 6g (Gesamtlichtquelle), erzeugten Mischlichts variabel eingestellt werden. Die Lichtstromintensität der farbigen LEDs 10a bis 10c kann stufenlos verändert werden. Anzustreben wäre ferner das Konstanthalten der Gesamtbeleuchtungsstärke durch abgestimmte Intensitätsregelung aller LEDs. Die LEDs 10a bis 10c sind über Stromleitungen 13a bis 13c und 14 mit einer Steuereinrichtung 15 verbunden, welche eine elektrische Dimmung des Lichtstroms der LEDs ermöglicht. Die elektrische Dimmung der farbigen LEDs 10a bis 10c bewirkt eine Änderung der Farbtemperatur und/oder der Farbwiedergabe, was für die Ausleuchtung der Operationsstelle vorteilhaft ist. Hierbei ist denkbar, dass der Operateur die Einstellbarkeit derart nutzt, dass er nach seinen Bedürfnissen farbiges und weißes Licht mischt, um spezielle Gewebearten oder Gewebeveränderungen visuell differenzierter hervorzuheben. Der Operateur kann einzelne Gewebearten oder Gewebeveränderungen besser erkennen.The individual light modules 6a to 6g together form a light source with a color temperature of about 4,500 K and a color rendering index Ra> 93 in order to achieve a natural color representation, for example of the tissue to be operated. Therefore, not only LEDs are used which generate white light, but also LEDs 10a to 10c which generate colored light. In Fig. 3, those LEDs for generating white light are not denoted by reference numerals. The white LEDs are designed analogous to the colored ones. By admixing colored light components such as cyan and blue, a collapse in the spectrum is partially compensated, as in an arrangement with pure white LEDs. Furthermore, it is possible to produce color mixtures that improve the visual performance of the surgeon. With constant brightness of the white LEDs, the color temperature and color rendering of the mixed light generated by the total module, consisting of all individual light modules 6a to 6g (total light source), can be variably adjusted by exclusively stepless dimming of the intensity of the colored LEDs. The luminous flux intensity of the colored LEDs 10a to 10c can be changed continuously. It would also be desirable to keep the overall illuminance constant by means of coordinated intensity control of all LEDs. The LEDs 10a to 10c are connected via power lines 13a to 13c and 14 to a control device 15 , which allows an electrical dimming of the luminous flux of the LEDs. The electrical dimming of the colored LEDs 10a to 10c causes a change in the color temperature and / or the color reproduction, which is advantageous for the illumination of the surgical site. In this case, it is conceivable that the surgeon uses the adjustability in such a way that he mixes colored and white light according to his needs in order to emphasize special tissue types or tissue changes in a visually differentiated manner. The surgeon can better recognize individual tissue types or tissue changes.

    Es wird eine Grundeinstellung einer Farbtemperatur von 4.500 K vorgegeben, welche beim Einschalten der Operationsleuchte automatisch erzeugt wird. Andere je Anwendung der Operationsleuchte gewünschte Farbtemperatur kann mithilfe eines Bedienfeldes oder einer Tastatur einer Steuereinrichtung vom Operateur eingestellt werden. Die notwendigen Einstellparameter können in einem Speicher der Steuereinrichtung abgelegt werden. Weiterhin denkbar ist es, dass der Operateur weitere selbst gewählte Einstellungen zusätzlich abspeichern und diese Einstellungen auch nachträglich verändern kann. It becomes a basic setting of a color temperature of 4,500 K predetermined, which automatically when switching on the operating light is produced. Others depending on the application of the surgical light desired Color temperature can be controlled by using a control panel or a keyboard Control device to be set by the surgeon. The necessary Setting parameters can be stored in a memory of the control device become. Furthermore, it is conceivable that the surgeon further himself additionally save selected settings and these settings as well can change later.

    BEZUGSZEICHENLISTELIST OF REFERENCE NUMBERS

    11
    Operationsleuchtesurgical light
    22
    Leuchtenkörperluminaire body
    33
    Handgriffhandle
    44
    Elementelement
    55
    Unterseitebottom
    6a6a
    Lichtmodullight module
    6b6b
    Lichtmodullight module
    6c6c
    Lichtmodullight module
    6d6d
    Lichtmodullight module
    6e6e
    Lichtmodullight module
    6f6f
    Lichtmodullight module
    6g6g
    Lichtmodullight module
    77
    Lichtstrahlbeam of light
    88th
    Leuchtfeldlight field
    99
    Gehäusecasing
    10a10a
    LEDLED
    10b10b
    LEDLED
    10c10c
    LEDLED
    11a11a
    Linselens
    11b11b
    Linselens
    11c11c
    Linselens
    12a12a
    Lichtstrahlbeam of light
    12b12b
    Lichtstrahlbeam of light
    12c12c
    Lichtstrahlbeam of light
    13a13a
    Stromleitung power line
    13b13b
    Stromleitungpower line
    13c13c
    Stromleitungpower line
    1414
    Stromleitungpower line
    1515
    Steuereinrichtungcontrol device

    Claims (9)

    Operationsleuchte (1) mit mehreren als Leuchtmittel zur Ausleuchtung der Operationsstelle geeigneten LEDs, von denen LEDs zur Erzeugung weißen und farbigen Lichts ausgebildet sind, wobei Mittel zur Dimmung des Lichtstroms der farbigen LEDs (10a bis 10c) insbesondere blau oder cyanfarbiger LEDs, vorgesehen sind.Operating light (1) with several as light source for Illumination of the surgical site suitable LEDs, of which LEDs are formed for generating white and colored light, wherein Means for dimming the luminous flux of the colored LEDs (10a to 10c) especially blue or cyan LEDs are provided. Operationsleuchte nach Anspruch 1, dadurch gekennzeichnet, dass mechanische und/oder optische Mittel zur Dimmung vorgesehen sind.Operating light according to claim 1, characterized in that mechanical and / or optical means are provided for dimming. Operationsleuchte nach Anspruch 1, dadurch gekennzeichnet, dass elektrische Mittel zur Dimmung vorgesehen sind.Operating light according to claim 1, characterized in that electrical means are provided for dimming. Operationsleuchte nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass eine Steuereinrichtung (15) zur Steuerung und Regelung der Dimmung vorgesehen ist.Operating light according to one of the preceding claims, characterized in that a control device (15) is provided for controlling and regulating the dimming. Operationsleuchte nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass Linsen (11a bis 11c) zur Schaffung eines gleichmäßigen Lichtaustritts und Bündelung des Lichts auf das Leuchtfeld eingesetzt werden.Surgical light according to one of the preceding claims, characterized in that lenses (11a to 11c) are used to create a uniform light emission and bundling of the light on the light field. Verfahren zur Ausleuchtung einer Operationsstelle mit einer Operationsleuchte, welche LEDs zur Erzeugung weißen und farbigen Lichts aufweist, wobei der Lichtstrom der farbigen LEDs (10a bis 10c) gedimmt wird. Method for illuminating an operation site with a Operating light, which LEDs to produce white and colored Light, wherein the luminous flux of the colored LEDs (10a to 10c) is dimmed. Verfahren nach Anspruch 6, dadurch gekennzeichnet, dass der Lichtstrom der weißen LEDs annähernd konstant gehalten wird.A method according to claim 6, characterized in that the luminous flux of the white LEDs is kept approximately constant. Verfahren nach Anspruch 6, dadurch gekennzeichnet, dass die Gesamtbeleuchtungsstärke annähernd konstant bleibt.A method according to claim 6, characterized in that the total illuminance remains approximately constant. Verfahren nach Anspruch 6, 7 oder 8, dadurch gekennzeichnet, dass die spektrale Zusammensetzung des Lichtes in Abhängigkeit von Gewebeart, Gewebestruktur und Remissionsverlauf eingestellt werden kann.A method according to claim 6, 7 or 8, characterized in that the spectral composition of the light can be adjusted depending on tissue type, tissue structure and remission course.
    EP04004602A 2004-02-28 2004-02-28 Surgical lamp and method of illumination of an operating theatre Withdrawn EP1568936A1 (en)

    Priority Applications (8)

    Application Number Priority Date Filing Date Title
    EP04004602A EP1568936A1 (en) 2004-02-28 2004-02-28 Surgical lamp and method of illumination of an operating theatre
    DE502004001595T DE502004001595D1 (en) 2004-02-28 2004-08-06 surgical light
    EP04018642A EP1568938B1 (en) 2004-02-28 2004-08-06 Surgical lamp and method of illumination of an operating theatre
    AT04018642T ATE340963T1 (en) 2004-02-28 2004-08-06 OPERATIONAL LIGHT
    DE202004021854U DE202004021854U1 (en) 2004-02-28 2004-08-06 surgical light
    CNB2005100524370A CN100473892C (en) 2004-02-28 2005-02-28 Surgical lamp
    US11/067,580 US7614763B2 (en) 2004-02-28 2005-02-28 Operating table lamp
    JP2005054108A JP5048927B2 (en) 2004-02-28 2005-02-28 Surgery lamp

    Applications Claiming Priority (1)

    Application Number Priority Date Filing Date Title
    EP04004602A EP1568936A1 (en) 2004-02-28 2004-02-28 Surgical lamp and method of illumination of an operating theatre

    Publications (1)

    Publication Number Publication Date
    EP1568936A1 true EP1568936A1 (en) 2005-08-31

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    ID=34745936

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    Application Number Title Priority Date Filing Date
    EP04004602A Withdrawn EP1568936A1 (en) 2004-02-28 2004-02-28 Surgical lamp and method of illumination of an operating theatre

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    Country Link
    EP (1) EP1568936A1 (en)
    AT (1) ATE340963T1 (en)
    DE (2) DE502004001595D1 (en)

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    EP2031295A1 (en) * 2007-08-29 2009-03-04 Asetronics AG Medical, in particular dental treatment lamp
    US7614763B2 (en) 2004-02-28 2009-11-10 Trumpf Medizin Systeme Gmbh + Co. Kg Operating table lamp
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    US8134309B2 (en) 2005-11-14 2012-03-13 Trumpf Medizin Systeme Gmbh + Co. Kg Lamp power tabulation
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    US8300906B2 (en) 2007-05-15 2012-10-30 Trumpf Medizin Systeme Gmbh + Co. Kg Operating system having an operating lamp and a camera
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    DE102006040393B4 (en) 2006-08-29 2018-11-22 Dr. Mach Gmbh & Co. Kg LED surgical light
    US10345238B2 (en) 2013-05-03 2019-07-09 Signify Holding B.V. Light source with adapted spectal output

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    US7614763B2 (en) 2004-02-28 2009-11-10 Trumpf Medizin Systeme Gmbh + Co. Kg Operating table lamp
    US8134309B2 (en) 2005-11-14 2012-03-13 Trumpf Medizin Systeme Gmbh + Co. Kg Lamp power tabulation
    EP1938768A1 (en) * 2006-01-24 2008-07-02 Zakrytoe Aktsionernoe Obschestvo Zavod Ema Surgical light provided with a light emission control
    EP1938768A4 (en) * 2006-01-24 2008-12-17 Zakrytoe Aktsionernoe Obschest Surgical light provided with a light emission control
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    DE202011102479U1 (en) * 2011-06-27 2012-06-28 BÄ*RO GmbH & Co. KG Intelligent LED
    US10345238B2 (en) 2013-05-03 2019-07-09 Signify Holding B.V. Light source with adapted spectal output
    CN104214545A (en) * 2013-05-31 2014-12-17 深圳市海洋王照明工程有限公司 Lamp
    CN104214545B (en) * 2013-05-31 2016-07-06 深圳市海洋王照明工程有限公司 A kind of light fixture

    Also Published As

    Publication number Publication date
    ATE340963T1 (en) 2006-10-15
    DE202004021854U1 (en) 2011-10-24
    DE502004001595D1 (en) 2006-11-09

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