The present disclosure relates to a device (100) for emitting and detecting short-wave infrared (SWIR), intended to distinguish at least one tissue structure in a human and/or animal target tissue. The device comprises an illumination module (120) for emitting SWIR radiation in a first and a second wavelength band. The device also comprises at least one SWIR camera (130) for capturing images of the target tissue in the first and the second wavelength band, and an image processing means (150) configured to correct the captured images of the tissue by applying a correction matrix to each image, the correction matrices being designed to correct the variations in said images on the basis of at least one of the wavelength bands and of the distance of the target tissue from the illumination module.
This disclosure relates to a surgical lighting device comprising a shell (12), a plurality of light sources (24) coupled to the shell, and a closure plate (18) for closing the lighting device by allowing light to pass through. The closure plate comprises a plurality of lens elements, each lens element being configured to collect and focus light from a corresponding light source to generate a light spot of a predetermined diameter located at a predetermined distance from the lighting device. In order to simplify the structure of the lighting device, the light sources and the cover plate are arranged in such a way that the light beams coming from the light sources and received by the associated lens elements arrive at the lens elements without substantial reflection or deflection. The closure plate therefore comprises all the optics necessary for collecting and focusing the light from the light sources.
F21V 5/02 - Refractors for light sources of prismatic shape
F21V 5/04 - Refractors for light sources of lens shape
F21V 9/04 - Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for filtering out infrared radiation
F21V 9/06 - Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for filtering out ultraviolet radiation
This disclosure relates to a surgical lighting device for generating a spot of light on a surgical site for use in combination with a fluorescence imaging device. The lighting device comprises a support structure, a subsurface which may be coupled to the support structure to seal the lower surface of the device while allowing light to pass through and a plurality of light sources emitting white light and placed between the support structure and the subsurface. The device further includes a plurality of NIR (near infrared) filters, each NIR filter being associated with a light source and being configured to substantially prevent the transmission of wavelengths within a wavelength band from 680 nm to 900 nm, while minimizing the change in the color temperature of the light spot.
F21V 14/08 - Controlling the distribution of the light emitted by adjustment of elements by movement of screens
F21V 9/04 - Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for filtering out infrared radiation
The present disclosure relates to a surgical lighting device for generating a light spot on a surgical site for use in combination with a fluorescence imaging device. The lighting device (1) comprises a support structure (2), an underside (7) that can be coupled to the support structure (2) to seal the lower face of the device while allowing light to pass through and a plurality of light sources (10) emitting white light and arranged between the support structure (2) and the underside (7). The device further comprises a plurality of NIR (near infrared) filters (18), each NIR filter being associated with a light source (10) and being configured to substantially prevent the transmission of wavelengths in a wavelength band ranging from 680 nm to 900 nm while minimising the change in the colour temperature of the light spot.
F21V 9/04 - Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for filtering out infrared radiation
F21V 14/08 - Controlling the distribution of the light emitted by adjustment of elements by movement of screens
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
The present disclosure relates to a surgical lighting device comprising a shell (12), a plurality of light sources (24) coupled to the shell, and a closing plate (18) for closing the lighting device by letting the light pass through. The closing plate comprises multiple lens elements, each of which is configured to collect and focus the light from a corresponding light source to generate a lighting spot having a predetermined diameter located at a predetermined distance from the lighting device. In order to simplify the structure of the lighting device, the light sources and the closing plate are arranged such that the light beams originating from the light sources and received by associated lens elements arrive at the lens elements substantially without being reflected or deflected. The closing plate therefore comprises all of the optics required for collecting and focusing the light from the light sources.
Systems and methods for mounting surgical lighting to the ceiling of an operating theater can include an anchoring tube having attachment holes, and a surgical lighting suspension having internal attachment threads for receiving screws. The receiving screws may be pressure screws. The pressure screws may include a threaded body, and a tightening head which has a smaller diameter than the threaded body. The pressure screws can support and secure the surgical lighting suspension by copressive stress. Anti-loosening screws may be used to secure the pressure screws in place.
A medical lighting device for illuminating an operating area has an overhead light providing axial illumination and is movably mounted over the operating area and movable manually towards or away from the operating area, and a system for assisting adjustment of a proper lighting position for the overhead light relative to the operating area in such a manner as to position the overhead light at a predetermined distance from the operating area. The system comprises a first light source for generating a first light beam and a second light source for generating a second light beam, the light sources arranged on the overhead light in angularly offset positions so that the first and second light beams converge at a point on the operating area when the predetermined distance is reached, and otherwise when not at that distance the two light beams form two light spots that are disjoint.
A medical lighting device for illuminating an operative field, which device includes light-emitting diode (LED) light sources that cooperate with collimator optical systems to light the operative field. LEDs are mounted on a flat printed circuit board so that their illumination axes (B) passing through the collimator optical systems (7) have different angular orientations. The printed circuit board (6) may be cut out to form tongues, each of which is flexible and has a free end carrying an LED. Each tongue can be deformed under stress in such a manner that its free end is oriented substantially perpendicularly to the illumination axis (B).
F21S 4/22 - Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports flexible or deformable, e.g. into a curved shape
F21V 19/00 - Fastening of light sources or lamp holders
F21Y 107/50 - Light sources with three-dimensionally disposed light-generating elements on planar substrates or supports, but arranged in different planes or with differing orientation, e.g. on plate-shaped supports with steps on which light-generating elements are mounted
F21Y 107/70 - Light sources with three-dimensionally disposed light-generating elements on flexible or deformable supports or substrates, e.g. for changing the light source into a desired form
The invention relates to a system (300) for mounting surgical lighting on the ceiling of an operating area, comprising: an anchoring tube (310) for anchoring the surgical lighting to the ceiling, the anchoring tube (310) comprising fixing boreholes (315); a surgical lighting suspension (320) for carrying said lighting and to be fixed to said tube (310), comprising a fixing section (323) with fixing internal threads (324); and fixing screws (330) comprising a threaded body and a securing head, each screw being designed to be screwed with the threaded body thereof into one of said internal threads (324) and to be received with the securing head thereof in one of the fixing boreholes (315). Each fixing screw is a set screw (330) provided for ensuring the fixing of the surgical lighting suspension (320) to the anchoring tube (310) by compression.
A suspension device making it possible to suspend items of equipment (7, 7′) under a support structure comprises an anchor bracket (2) designed to be anchored axially to the support structure, two distribution arms (9, 10, 9′, 10′) that are adjustable up and down and that are designed to carry the items of equipment (7, 7′), and that are connected to the anchor bracket (2) via pivot articulations (11, 11′), each of which is offset from the anchor bracket (2) via a stationary offsetting arm (8, 8′; 8″).
F16M 13/02 - Other supports for positioning apparatus or articlesMeans for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
F16M 11/20 - Undercarriages with or without wheels
F16M 11/24 - Undercarriages with or without wheels changeable in height or length of legs, also for transport only
A61G 12/00 - Accommodation for nursing, e.g. in hospitals, not covered by groups , e.g. trolleys for transport of medicaments or foodPrescription lists
A61B 90/50 - Supports for surgical instruments, e.g. articulated arms
A lighting appliance (1) comprises a light module (2) having a base (6) designed to receive a handle (5) provided with a grip stick (10), the handle (5) being arranged such that it can be inserted axially in removable manner into a ring (7, 7′) arranged on the base (6). The handle (5) is withdrawn axially from the base (6) by turning the ring (7, 7′) relative to the base (6).
F21V 17/18 - Latch-type fastening, e.g. with rotary action
F16B 21/02 - Releasable fastening devices locking by rotation
F21V 17/16 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts of the lighting deviceSnap action mounting
A61B 90/30 - Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
F16B 21/12 - Means without screw-thread for preventing relative axial movement of a pin, spigot, shaft, or the like and a member surrounding itStud-and-socket releasable fastenings without screw-thread by separate parts with locking-pins or split-pins thrust into holes
F21W 131/205 - Lighting for medical use for operating theatres
F16B 21/16 - Means without screw-thread for preventing relative axial movement of a pin, spigot, shaft, or the like and a member surrounding itStud-and-socket releasable fastenings without screw-thread by separate parts with grooves or notches in the pin or shaft
F16B 21/18 - Means without screw-thread for preventing relative axial movement of a pin, spigot, shaft, or the like and a member surrounding itStud-and-socket releasable fastenings without screw-thread by separate parts with grooves or notches in the pin or shaft with circlips or like resilient retaining devicesMeans without screw-thread for preventing relative axial movement of a pin, spigot, shaft, or the like and a member surrounding itStud-and-socket releasable fastenings without screw-thread by separate parts with grooves or notches in the pin or shaft Details
16.
Low-bulk optical collimator for generating a small spot of illumination
A lighting device comprises a solid optical collimator (6′), the collimator comprises a truncated cap having an inside surface (10′) operating in total internal reflection and having a small base opening into a frustoconical through recess that is coaxial with the cap and at the centre of which a light source (8′) is placed, and having a refractive large base such that incident light emitted by the light source is guided in totality by the inside surface towards the large base of the cap. The recess of the collimator is disposed in the cap in such a manner as to have a small base open and coinciding with the small base of the cap.
An LED lighting device (6) having an LED (8) emitting white light and optical filter means (12) suitable for filtering the white light emitted by the LED (8). The optical filter means comprise at least two optical filters (12) that have different transmission coefficients and that are positionable to filter the light emitted by the LED (8) individually. The lighting device (6) includes a power supply unit (10) suitable for delivering different power supply currents to the LED (8) depending on whether one or the other of the optical filters (12) is positioned to filter the light from the LED (8), so as to modify the color temperature of the light emitted by the LED (8).
F21V 9/40 - Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
F21V 14/08 - Controlling the distribution of the light emitted by adjustment of elements by movement of screens
F21V 33/00 - Structural combinations of lighting devices with other articles, not otherwise provided for
F21S 10/00 - Lighting devices or systems producing a varying lighting effect
A61B 1/06 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor with illuminating arrangements
F21V 9/00 - Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
F21V 9/08 - Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromaticElements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for reducing intensity of light
F21S 10/02 - Lighting devices or systems producing a varying lighting effect changing colours
F21V 9/04 - Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for filtering out infrared radiation
F21V 9/06 - Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for filtering out ultraviolet radiation
F21W 131/205 - Lighting for medical use for operating theatres
18.
MEDICAL ILLUMINATION DEVICE WITH LEDS ORIENTED BY TABS PRE-CUT IN A PRINTED CIRCUIT BOARD
The invention relates to a medical illumination device for illuminating an operating field, comprising a plurality of LED light sources (5) cooperating with optical collimator elements (7) so as to converge the light on the operating field, the LEDs being mounted on a printed circuit board (6) in such a way that axes of illumination (B) passing through the optical collimator elements (7) have different angular orientations. The invention is characterised in that the printed circuit board (6) is cut so as to form flexible tabs (10) each having a free end carrying an LED, each tab (10) being deformed under stress such that the free end thereof is substantially perpendicular to the axis of illumination (B).
A medical lighting device (1) for lighting a surgical site (2) comprises: a lighthead (3) providing axial illumination, which lighthead is intended to be mounted so as to be movable above the surgical site so as to be able to be brought closer or moved further away from the surgical site manually; and a system for assisting with the adjustment of a correct lighting position of the lighthead with respect to the surgical site in such a way as to position the lighthead at a preset distance from the surgical site. The system for assisting with the adjustment comprises at least one first light source for generating a first light beam and one second light source for generating a second light beam; the light sources are placed on the lighthead angularly offset in such a way that the first and second beams converge on a point (8) on the surgical site when the preset distance is reached and at other distances the two beams form two separate spots of light.
The invention relates to a suspension device that can be used to suspend an apparatus (7, 7’) below a supporting structure, said device comprising an anchor plate (2) to be anchored to the supporting structure, and an adjustable distribution arm (9,10, 9',10') carrying the apparatus (7, 7’), which is connected to the anchor plate (2) by means of a pivot hinge (11, 11’) that is offset from the anchor plate (2) by means of a stationary offset arm (8, 8’; 8”).
F16M 11/20 - Undercarriages with or without wheels
F16M 11/24 - Undercarriages with or without wheels changeable in height or length of legs, also for transport only
F16M 13/02 - Other supports for positioning apparatus or articlesMeans for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
A61G 12/00 - Accommodation for nursing, e.g. in hospitals, not covered by groups , e.g. trolleys for transport of medicaments or foodPrescription lists
A61B 90/50 - Supports for surgical instruments, e.g. articulated arms
A lighting appliance (1) comprises a light module (2) with a base (6) intended to receive a handle (5) provided with a handgrip (10), the handle (5) being arranged to be removably snap-fastened by axial insertion into a ring (7, 7') arranged on the base (6). The handle (5) is removed axially from the base (6) by rotating the ring (7, 7') relative to the base (6).
F21V 17/16 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts of the lighting deviceSnap action mounting
F21V 17/18 - Latch-type fastening, e.g. with rotary action
A bulk optical collimator (6') comprises a truncated cap having an internal surface (10') functioning in total internal reflection and having a small base opening onto a through-void of conic frustum shape coaxial to the cap and at the centre of which is intended to be placed a light source (8') and having a refractive large base such that the incident light emitted by the light source is guided in totality by the internal surface toward the large base of the cap. The void is placed in the cap such as to have an open small base coincident with the small base of the cap.
A lighting device for illuminating an operative field comprises, in an axial lighting dome, a first ring of LEDs at a first color temperature, and a second ring of LEDs at a second color temperature different from said first color temperature, and an annular facetted mirror having semi-reflective facets and arranged about the same axis as said rings of LEDs. Collimation optical systems are provided between each ring of LEDs and the annular facetted mirror having semi-reflective facets. The annular facetted mirror having semi-reflective facets mixes the collimated light beams emitted by the two rings of LEDs coupled to the collimators, and forms first and second collimated resulting mixed light beams having the same intermediate color temperature. An annular facetted mirror having plane facets surrounds the annular facetted mirror having semi-reflective facets so as to reflect the first collimated resulting mixed light beam to combine it with said second collimated resulting mixed light beam in the operative field in a certain superposition configuration in a superposition plane in which an illumination spot is formed.
The lighting apparatus includes: - a lighting device with a plurality of light sources for providing white light having a tunable light spectrum; and - a monitoring/control device that controls the light sources according to a demodulation cycle of the light spectrum that includes a first period where the light spectrum is red-enriched, a second period where the spectrum is gradually modulated from red to blue, a third period where the spectrum is blue-enriched, and a fourth period where the spectrum is gradually modulated from blue to red. The monitoring/control device is arranged so as to detect reception of a signal indicating a human presence and, in response, reset the modulation cycle when it is in the first period or gradually modulate the spectrum from blue to red when the modulation cycle is in the second, third, or fourth periods before resetting the modulation cycle.
A61M 21/00 - Other devices or methods to cause a change in the state of consciousnessDevices for producing or ending sleep by mechanical, optical, or acoustical means, e.g. for hypnosis
An LED lighting device (5) comprises first and second LEDs (6, 8) arranged to respectively emit first and second beams (7, 9) of white light having first and second different respective colour temperatures, and a beam splitter (10) arranged to split the first and second light beams (7, 9) respectively into a first reflected portion of the first and second beams (11, 3) and a second transmitted portion of the first and second beams (12, 14). The LED's (6, 8) and the beam splitter (10) are arranged spatially such that the transmitted portion of the first beam (12) and the reflected portion of the second beam (13) overlap into a first resulting beam (15) of intermediate colour temperature between the first and second colour temperatures, and the reflected portion of the first beam (11) and the transmitted portion of the second beam (14) overlap into a second resulting beam (16) of the same intermediate colour temperature.
An LED lighting device (6) having an LED (8) emitting white light and optical filter means (12) suitable for filtering the white light emitted by the LED (8). The optical filter means comprise at least two optical filters (12) that have different transmission coefficients and that are positionable to filter the light emitted by the LED (8) individually. The lighting device (6) includes a power supply unit (10) suitable for delivering different power supply currents to the LED (8) depending on whether one or the other of the optical filters (12) is positioned to filter the light from the LED (8), so as to modify the color temperature of the light emitted by the LED (8).
F21V 9/10 - with provision for variation of the colour or intensity (F21V 9/12 takes precedence)
F21V 14/08 - Controlling the distribution of the light emitted by adjustment of elements by movement of screens
H05B 33/08 - Circuit arrangements for operating electroluminescent light sources
F21V 33/00 - Structural combinations of lighting devices with other articles, not otherwise provided for
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
F21S 10/00 - Lighting devices or systems producing a varying lighting effect
A61B 1/06 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor with illuminating arrangements
F21V 9/00 - Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
F21V 9/08 - Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromaticElements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for reducing intensity of light
F21S 10/02 - Lighting devices or systems producing a varying lighting effect changing colours
F21V 9/04 - Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for filtering out infrared radiation
F21V 9/06 - Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for filtering out ultraviolet radiation
F21W 131/205 - Lighting for medical use for operating theatres
This system (6) for managing equipment of an operational block (4) comprising at least two operating rooms (8) wherein each operating room (8) comprises at least one item of equipment (10) comprises at least one telecontrol (12), for each telecontrol (12) association means (14) associating the or each telecontrol (12) exclusively with one of the operating rooms (8) so as to permit the at least one telecontrol (12) to command the at least one item of equipment (10) in the associated room (8) and to prohibit the at least one telecontrol (12) from commanding each item of equipment (10) in each of the other operating rooms (8), with which the at least one telecontrol (12) is not associated, and modification means (16) suitable for modifying the association means (14) in such a way that the association means (14) associate the at least one telecontrol (12) exclusively with another of the at least two operating rooms (8).
The invention relates to a device (1) for illuminating an illumination field (88), in particular of an operating field, which includes a light source (12) suitable for illuminating the illumination field (88). The illumination device (1) includes: a device (18) for moving the light source (12) suitable for moving the light source (12), a selection device (58) suitable for selecting at least one area of interest (4) to be lit by means of the light source (12), and a control means (70) suitable for controlling the moving device (18), such that the illumination field (88) is close to said at least one area of interest (4). The invention can be used in devices for illuminating a surgical operating field.
F21S 8/00 - Lighting devices intended for fixed installation
A61B 19/00 - Instruments, implements or accessories for surgery or diagnosis not covered by any of the groups A61B 1/00-A61B 18/00, e.g. for stereotaxis, sterile operation, luxation treatment, wound edge protectors(protective face masks A41D 13/11; surgeons' or patients' gowns or dresses A41D 13/12; devices for carrying-off, for treatment of, or for carrying-over, body liquids A61M 1/00)
F21W 131/205 - Lighting for medical use for operating theatres
33.
Lighting device with device for regulating the illumination according to the luminance of the illumination field and corresponding use
The device (1) for lighting an illumination field (2) includes a light source (5), adapted to illuminate the illumination field (2), a device for regulating the illuminance from the light source (7). The device for regulating the illuminance from the light source (7) is adapted to receive an actual luminance signal representing the actual luminance of the lighting field (2) and control the illuminance from the light source (5) as a function of the actual luminance signal and a luminance set point signal. The lighting device (1) comprises a device for determining the actual luminance (11) adapted to determine the actual luminance of the lighting field (2) and to create and transmit the actual luminance signal to the device for regulating the illumination from the light source (7).
Application to devices for illuminating operating fields.
G01J 1/32 - Photometry, e.g. photographic exposure meter by comparison with reference light or electric value intensity of the measured or reference value being varied to equalise their effects at the detector, e.g. by varying incidence angle using variation of intensity or distance of source using electric radiation detectors adapted for automatic variation of the measured or reference value
A61B 1/06 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor with illuminating arrangements
patents
