Lamp power tabulation

• US 8,134,309 B2
• Filed: 11/14/2006
• Issued: 03/13/2012
• Est. Priority Date: 11/14/2005
• Status: Active Grant

• Current Assignee: Trumpf Medizin Systeme GmbH & Co. KG (Baxter International Inc.)
• Original Assignee: Trumpf Medizin Systeme GmbH & Co. KG (Baxter International Inc.)
• Inventors: Marka, Rudolf, Vogl, Markus
• Primary Examiner(s): Le, Tung X
• Application Number:
  US11/559,584
• Publication Number:
  US 20070138966A1
• Time in Patent Office: 1,946 Days
• Field of Search: 315/149, 315/185.R, 315/291, 315/294, 315/297, 315307-309, 315/312, 362/277, 362/231, 362/262, 362/263
• US Class Current: 315/312
• CPC Class Codes: A61B 90/30 Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
• CPC Class Codes: F21V 21/047 Mounting arrangements with fastening means engaging the inner surface of a hole in a ceiling or wall, e.g. for solid walls or for blind holes
• CPC Class Codes: F21V 23/04 the elements being switches safety devices F21V25/00
• CPC Class Codes: F21W 2131/205 for operating theatres
• CPC Class Codes: F21Y 2113/13 comprising an assembly of point-like light sources
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]
• CPC Class Codes: H05B 45/00 Circuit arrangements for operating light-emitting diodes [LED]
• CPC Class Codes: H05B 45/20 Controlling the colour of the light
• CPC Class Codes: H05B 45/325 Pulse-width modulation [PWM]

Abstract

An operating lamp includes a plurality of illumination elements arranged in discrete groups. The illumination elements include at least one white illumination element, adapted to emit a white light, and multiple colored illumination elements, each adapted to emit a non-white, colored light. The operating lamp also includes a controller in communication with the illumination elements, and one or more storage devices configured to communicate with the controller. Each of the storage devices is associated with one or more of the groups of illumination elements, and each of the storage devices contains a set of power values for each associated group. The controller is configured to control illumination of each group of illumination elements individually, based on the associated power values.

Claims

1. An operating lamp comprising:

a plurality of illumination elements arranged in a plurality of discrete groups, the illumination elements including

at least one white illumination element adapted to emit a white light, and

multiple colored illumination elements, each adapted to emit a non-white, colored light;

a controller configured to communicate with the illumination elements; and

multiple storage devices configured to communicate with the controller, each of the storage devices being associated with one or more of the groups of illumination elements, and each storage device containing a predetermined set of power values for each associated group of illumination elements,

wherein the controller is configured to control illumination of each group of illumination elements individually based on the associated power values to produce a predetermined nominal output, the power values comprising calibrated data corresponding to a set of nominal operating values of the operating lamp, the plurality of illumination elements together defining a light emitting surface, at least one of the nominal operating values corresponding to a desired distribution of light intensity over the emitting surface, and the distribution of light intensity having a lighting characteristic that corresponds to a particular operating environment.

2. The operating lamp according to claim 1, wherein at least one of the nominal operating values is a color temperature of the operating lamp.

3. The operating lamp according to claim 1, wherein at least one of the nominal operating values is a light intensity of the operating lamp.

4. The operating lamp according to claim 1, wherein at least one of the power values corresponds to an operating current strength for a corresponding one of the associated groups of illumination elements.

5. The operating lamp according to claim 1, wherein at least one of the power values corresponds to a pulse sequence for pulse width modulation of a corresponding one of the associated groups of illumination elements.

6. The operating lamp according to claim 5, wherein the illumination elements are mounted in a plurality of lighting modules, wherein each module comprises one or more of the discrete groups of illumination elements and the associated storage devices.

7. The operating lamp according to claim 1, wherein the storage devices are selected from the group consisting of EEPROMs and flash memory devices.

8. The operating lamp according to claim 1, further comprising a user interface configured to communicate with the controller and operable to select from a plurality of discrete light intensity settings, a plurality of discrete color temperature settings, and a plurality of discrete light intensity distribution settings.

9. The operating lamp according to claim 1, wherein the power values correspond to a power at which each individual group is driven to reproduce the predetermined nominal output.

10. The operating lamp according to claim 1, wherein the operating environment comprises one operating surgeon.

11. The operating lamp according to claim 1, wherein the operating environment comprises two operating surgeons.

12. The operating lamp according to claim 1, wherein the operating environment comprises a large surface wound.

13. The operating lamp according to claim 1, wherein the operating environment comprises a deep narrow wound.

14. An illumination method comprising:

delivering a set of calibrated power values from a storage device of each of a plurality of lighting modules to a central controller;

individually controlling one or more illumination parameters of each of a plurality of groups of illumination elements with a corresponding set of the calibrated power values that correspond to a desired distribution of light intensity over an emitting surface, to produce an emitted light having a predetermined nominal output value, the distribution of light intensity having a lighting characteristic that corresponds to a particular operating environment; and

illuminating an operating environment with the illuminated light.

15. The method according to claim 14, wherein the power value corresponds to a power at which each individual group is driven to produce the predetermined nominal output value.

16. The method according to claim 14, wherein the one or more illumination parameters are selected form the group consisting of:

color temperature, and light intensity.

17. The method according to claim 14, wherein the illumination elements are grouped according to a color of light emitted therefrom.

18. The method according to claim 14, wherein the illumination elements comprise LEDs including:

at least one warm white LED;

at least one cool white LED;

at least one cyan colored LED; and

at least one blue colored LED.

19. A method comprising:

arranging a plurality of illumination elements in a plurality of discrete groups, each discrete group having an associated storage device;

applying a flow of electrical current to each group of illumination elements to cause the illumination elements to emit a light;

measuring a lighting parameter of the emitted light;

adjusting the flow of electrical current to at least one of the groups such that the measured lighting parameter substantially reproduces a predetermined nominal operating value that corresponds to a desired distribution of light intensity over an emitting surface, the distribution of light intensity having a lighting characteristic that corresponds to a particular operating environment; and

recording a power value for each of the plurality of discrete groups on the respective storage devices associated with the groups, wherein the recorded power value corresponds to a strength of the flow of electrical current through the associated group when the measured lighting parameter substantially reproduces the predetermined nominal operating value.

20. An operating lamp comprising:

a plurality of lighting modules each comprising;

a plurality of LEDs arranged in a plurality of discrete groups and including;

at least one warm white LED,

at least one cool white LED,

at least one cyan colored LED, and

at least one blue colored LED; and

one or more storage devices, wherein each group of illumination elements is associated with a corresponding one of the storage devices, and wherein each storage device contains a set of calibrated power values for each associated group;

a controller configured to communicate with each of the storage devices; and

a user interface configured to communicate with the controller and operable to select between a plurality of discrete output settings that correspond to a desired distribution of light intensity over an emitting surface, the distribution of light intensity having a lighting characteristic that corresponds to a particular operating environment,

wherein the controller is configured to control illumination of the discrete groups of LEDs individually, based on the corresponding power values in combination with input from the user interface.

21. The operating lamp according to claim 20, wherein the power values correspond to a current strength at which each individual group is driven to substantially reproduce a predetermined nominal output.

22. The operating lamp according to claim 20, wherein the power values correspond to pulse sequences for pulse width modulation of a supply current to the corresponding groups.

23. The operating lamp according to claim 20, wherein the plurality of lighting modules together define a concave light emitting surface.

24. The operating lamp according to claim 20, wherein the lighting modules are formed in the shape of hexagons connected together and forming a honeycomb structure.

25. The operating lamp according to claim 20, wherein the storage devices are EEPROMs.