CN212781476U - Be applied to ophthalmic surgery microscope's multi-wavelength multi-angle lighting device - Google Patents
Be applied to ophthalmic surgery microscope's multi-wavelength multi-angle lighting device Download PDFInfo
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- CN212781476U CN212781476U CN202020966966.1U CN202020966966U CN212781476U CN 212781476 U CN212781476 U CN 212781476U CN 202020966966 U CN202020966966 U CN 202020966966U CN 212781476 U CN212781476 U CN 212781476U
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Abstract
The utility model provides a be applied to ophthalmic surgery microscope's multi-wavelength multi-angle lighting device in microscope field, include: the lighting beam bracket is provided with a plurality of mounting holes, and the extension lines of the central axes of the mounting holes are intersected in the operation visual field; the independent illuminating beam units are respectively arranged in the mounting holes; the individual illumination beam unit includes: the light-gathering lens cone is arranged in the mounting hole; the condenser lens group is arranged in the condenser lens cone; the optical filter is arranged at the lower end of the condenser lens group; the LED radiator is arranged at the upper end of the condenser lens group; and the LED lamp is arranged on the bottom surface of the LED radiator, and the irradiation direction faces the condenser lens group. The utility model has the advantages that: realize the wavelength and the angle of autonomic regulation illumination, and then very big promotion the visuality, the security of microscope use.
Description
Technical Field
The utility model relates to a microscope field indicates a be applied to ophthalmic surgery microscope's multi-wavelength multi-angle lighting device very much.
Background
The operation microscope is a common medical operation microscope device, and the ophthalmic operation microscope is also widely used for ophthalmic operation. In the existing operation microscope, the microscopic observation part mostly adopts an optical system consisting of optical lenses such as a main objective lens, a variable power objective lens pair, a light splitting and image rotating prism, an ocular lens and the like; the illumination part generally takes a tungsten filament bulb, a halogen bulb, an LED lamp or a xenon lamp as a light source, and forms an illumination system through a light guide beam and other optical elements, and the illumination system comprises coaxial illumination, oblique illumination and slit illumination.
The content of the inspection and guidance principle of the registration technology of the operation microscope released by the State food and drug administration is quoted: the structure of the existing operation microscope is shown in fig. 17, the operation visual field plane 2 ' of the existing operation microscope 1 ' is divided into two paths by the zoom objective pair 12 ' after passing through the main objective 11 ', passes through the beam splitter 13 ', the binocular tube 14 ' and the ocular 15 ', and then exits the pupil for the user to view in binocular; the operation microscope can be provided with a hand assistant mirror, an image acquisition and processing system and other related accessories through the light splitter. The hand-assisted glasses can be provided with a tube for single-eye or double-eye observation and used for assisting the operation; the existing operating microscope lighting system generally comprises a tungsten filament bulb, a halogen bulb, an LED lamp and a xenon lamp as light sources, and a lighting system consisting of a light guide beam and other optical elements and has the functions of coaxial lighting, oblique lighting and slit lighting.
However, the existing surgical microscope has the following disadvantages:
1. the numerical aperture is determined by the focal length of the objective lens and the effective clear aperture, and the illumination needs to be improved for clearer vision in the operation; in particular, ophthalmic surgical microscopes are prone to damage to the retina of the eye from light radiation if the illumination is increased indefinitely for clarity.
2. The direction of the illumination light source is single, and the medium such as cornea, crystal and the like is mostly curved and highly reflective, so that reflective interference often occurs in the operation process.
3. The user can directly observe the operation visual field position through the optical system by naked eyes, and the existing operation microscope is mainly white light due to the visual obstacles of monochromatic light, infrared light, fluorescence contrast exciting light and the like.
Therefore, how to provide a multi-wavelength and multi-angle illumination device applied to an ophthalmic surgery microscope, which realizes the purpose of automatically adjusting the wavelength and angle of illumination, and further improves the visibility and safety of the microscope, becomes a problem to be solved urgently.
Disclosure of Invention
The to-be-solved technical problem of the utility model lies in providing a be applied to ophthalmic surgery microscope's multi-wavelength multi-angle lighting device, realizes wavelength and the angle of autonomic regulation illumination, and then promotes visuality, the security that microscope used.
The utility model discloses a realize like this: a multi-wavelength multi-angle illumination device applied to an ophthalmic surgery microscope comprises:
the lighting beam bracket is provided with a plurality of mounting holes, and the extension lines of the central axes of the mounting holes are intersected in the operation visual field;
the independent illuminating beam units are respectively arranged in the mounting holes; the individual illumination beam unit includes:
the light-gathering lens cone is arranged in the mounting hole;
the condenser lens group is arranged in the condenser lens cone;
the optical filter is arranged at the lower end of the condenser lens group;
the LED radiator is arranged at the upper end of the condenser lens group;
and the LED lamp is arranged on the bottom surface of the LED radiator, and the irradiation direction faces the condenser lens group.
Further, the illumination beam support comprises:
the bracket body is circular and is provided with a plurality of mounting holes;
the plurality of extending parts are annularly arranged on the side edge of the bracket body and provided with a plurality of mounting holes; each extension part bends downwards at a certain angle.
Further, the LED lamp is a white light lamp, a multi-wavelength light lamp or a fluorescence contrast excitation light lamp.
The utility model has the advantages that:
by arranging the illumination light beam bracket and the independent illumination light beam units, a user can start the corresponding independent illumination light beam units according to the actual needs of the operation and set the wavelengths of the independent illumination light beam units, namely, a multi-angle, multi-wavelength or multi-azimuth illumination light beam array of fluorescence contrast excitation light is formed according to the actual needs, and the damage of light radiation to retina of the eye bottom is avoided in order to be seen more clearly and increase the illumination without restriction; high reflection caused by media such as cornea, crystal and the like can be avoided by adjusting the illumination angle, so that a user can see the high reflection more clearly; the independent illuminating beam unit with specific wavelength can be used according to the actual needs of the operation, such as monochromatic light with certain wavelength, infrared or fluorescence contrast exciting light and the like, so that the visibility is improved, and the visual obstacle of the traditional pure optical operation microscope does not exist; for example, during an operation, when bleeding or large red content is seen in an operation visual field, green red-free light without red content can be selected, so that the display observation effect can be greatly improved, namely, the wavelength and the angle of illumination can be automatically adjusted, and the visibility and the safety of the use of the operation microscope are greatly improved.
Drawings
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of the multi-wavelength multi-angle illumination device applied to an ophthalmic surgery microscope.
Fig. 2 is a schematic structural diagram of the illumination beam support of the present invention.
Fig. 3 is a cross-sectional view of the independent illumination beam unit of the present invention.
Fig. 4 is a schematic structural view of a microscope to which the present invention is applied.
Fig. 5 is a plan view of a microscope to which the present invention is applied.
Fig. 6 is a schematic structural view of the multi-position stereo microscope camera assembly of the present invention.
Fig. 7 is a cross-sectional view of the multi-position stereo microscope camera assembly of the present invention.
Fig. 8 is a cross-sectional view of the middle-way photomicrograph of the present invention.
Fig. 9 is a schematic structural view of the multi-position stereo microscope camera assembly and the middle-path microscope camera of the present invention.
Fig. 10 is a schematic structural diagram of the multi-position stereo monitor of the present invention.
Fig. 11 is a top view of the multi-position stereo monitor of the present invention.
Fig. 12 is a schematic structural diagram of a pair of stereoscopic monitors according to the present invention.
Fig. 13 is a schematic structural diagram of a stereoscopic monitor unit according to the present invention.
Fig. 14 is a sectional view of the stereoscopic monitor unit of the present invention.
Fig. 15 is a schematic structural diagram of the multi-way middle-path monitor screen of the present invention.
Fig. 16 is a schematic structural diagram of the multi-position monitor and the multi-way monitor panel of the present invention.
Fig. 17 is an optical schematic diagram of a conventional surgical microscope.
Description of the labeling:
100-a multi-wavelength multi-angle illuminator for an ophthalmic surgery microscope, 1-an illumination beam holder, 2-an independent illumination beam unit, 3-a surgery field, 11-a mounting hole, 12-a holder base, 13-an extension, 21-a condenser tube, 22-a condenser group, 23-a filter, 24-an LED heat sink, 25-an LED lamp, 4-a zoom drum, 5-a multi-position stereo-microscope camera assembly, 6-a multi-position microscope camera, 7-a multi-position stereo monitor, 8-a multi-direction mid-path monitor screen, 9-an eye, 41-a first microscope objective group position, 42-a second microscope objective group position, 51-a stereo-microscope camera pair, 511-a first microscope camera unit, 5111-a first microscope objective group, 5112-first filter, 5113-first image sensor, 61-second microscope objective, 62-second filter, 63-second image sensor, 71-stereo monitor pair, 711-position adjustment mechanism, 712-stereo monitor unit, 7121-monitor dark shell, 7122-monitor screen, 7123-window, 7124-optometry lens, 7125-mirror, 71211-clear aperture, 81-mid-path monitor screen.
Detailed Description
Referring to fig. 1 to 17, a preferred embodiment of a multi-wavelength multi-angle illumination device 100 for an ophthalmic surgical microscope of the present invention comprises:
the illumination light beam bracket 1 is provided with a plurality of mounting holes 11, and the extension line of the central axis of each mounting hole 11 is intersected with the operation visual field 3, namely, the illumination light beam array takes the operation visual field 3 as an illumination target surface;
the independent illuminating light beam units 2 are respectively arranged in the mounting holes 11; each independent illuminating light beam unit 2 can adjust the wavelength and the opening position, so as to adjust the angle of the light beam; the independent lighting beam unit 2 can be arranged and assembled on the lighting beam bracket 1 by a user;
the individual illumination beam unit 2 includes:
the light-gathering lens barrel 21 is arranged in the mounting hole 11 and used for gathering light;
a condenser group 22 provided in the condenser tube 21;
a filter 23 disposed at a lower end of the condenser group 22 for selectively transmitting light of different wavelengths;
the LED radiator 24 is arranged at the upper end of the condenser lens group 22 and used for radiating heat of the LED lamp 25;
and an LED lamp 25 disposed on a bottom surface of the LED heat sink 24, and having an irradiation direction facing the condenser lens group 22.
The illumination beam holder 1 comprises:
a circular support base 12 provided with a plurality of mounting holes 11;
the plurality of extending parts 13 are annularly arranged on the side edge of the support main part 12 and are provided with a plurality of mounting holes 11; each of the extension portions 13 is bent downward at a certain angle to facilitate focusing of light.
The LED lamp 25 is a white light lamp, a multi-wavelength light lamp or a fluorescence contrast excitation light lamp, and can be installed according to actual needs.
A preferred embodiment of a microscope for use with the present invention comprises:
the zooming rotary drum 4 is provided with a first microscope objective group position 41 in the middle, and a plurality of second microscope objective group positions 42 are symmetrically arranged around the first microscope objective group position 41; the extension lines of the central axes of the first microscope objective group position 41 and the second microscope objective group position 42 are intersected in the operation visual field 3; the zoom rotary drum 4 can be rotated to switch positions, and microscope sets with different magnifications are arranged on the reserved second microscope objective set position 42;
the multi-position stereo microscope camera assembly 5 is arranged on the zoom rotary drum 4 through the second microscope objective group position 42; the multi-position stereo microscopic camera assembly 5 can shoot a picture while shooting, and outputs a stereo microscopic video and a stereo photographic picture signal of the multi-position operation visual field 3 with variable magnification;
the middle path microscopic camera 6 is arranged on the zoom rotary drum 4 through the first microscopic objective group position 41, namely is arranged at the central axis position of the view field of the zoom rotary drum 4; the middle path microscopic camera 6 can shoot a picture at the same time of shooting, and outputs a microscopic video and a picture signal of the middle path in the operation visual field 3;
the multi-wavelength and multi-angle illuminating device 100 is arranged right below the zooming rotary drum 4 and is used for providing multi-wavelength and multi-angle illumination;
the multi-position stereoscopic monitor 7 is arranged below the zooming rotary drum 4, is positioned on the side of the multi-wavelength multi-angle illuminating device 100, and is in video connection with the multi-position stereoscopic microscopic camera assembly 5; the multi-position stereo monitor 7 is used for displaying a stereo microscopic video image of the operation visual field 3 output by the multi-position stereo microscopic camera assembly 5, and the content viewed by the eyes 9 is a local positive image, namely the image is not reversed or overturned;
the multi-direction middle path monitoring screen 8 is arranged below the zooming rotary drum 4, is positioned between the multi-wavelength multi-angle illuminating device 100 and the multi-position three-dimensional monitor 7, and is in video connection with the middle path microscopic camera 6; the multi-directional middle path monitoring screen 8 is used for displaying a microscope video image of the front side of the middle path in the operation visual field 3 output by the middle path microscope camera 6, the displayed content is a home position normal image, the multi-directional middle path monitoring screen can be used for capturing and focusing the target in the operation visual field 3 and adjusting the wavelength and the angle of an illuminating beam, when the eye 9 observes that the target in the operation visual field 3 moves, an assistant can adjust at any time, and a main doctor does not need to disperse attention.
The multi-position stereo microscope camera assembly 5 comprises:
at least two pairs of stereoscopic microscopic camera pairs 51, each stereoscopic microscopic camera pair 51 comprising two first microscopic camera units 511; the two first microscope camera units 511 are symmetrically arranged on the zoom drum 4 through the second microscope objective group position 42, that is, the stereo microscope camera pairs 51 are arranged in a crossed manner.
The first microscopic imaging unit 511 includes:
a first microscope objective group 5111 disposed in the second microscope objective group position 42;
a first optical filter 5112, disposed at an upper end of the first microscope objective group 5111, and located on the same axis as the first microscope objective group 5111;
the first image sensor 5113 is disposed at the upper end of the first optical filter 5112, is on the same axis with the first microscope objective group 5111 and the first optical filter 5112, and is in video connection with the multi-position stereoscopic monitor 7.
The middle microscope 6 includes:
a second microscope objective group 61 arranged in the first microscope objective group position 41;
a second optical filter 62 disposed at an upper end of the second microscope objective group 61 and located on the same axis as the second microscope objective group 61;
and the second image sensor 63 is arranged at the upper end of the second optical filter 62, is positioned on the same axis with the second microscope objective lens group 61 and the second optical filter 62, and is connected with the multi-directional middle path monitoring screen 8.
The multi-position stereoscopic monitor 7 includes:
a plurality of sets of stereoscopic monitor pairs 71; each of the stereoscopic monitor pairs 71 includes:
two position adjusting mechanisms 711, disposed below the zoom drum 4, respectively located at two symmetrical sides of the multi-wavelength multi-angle illumination apparatus 100, for adjusting the stereoscopic monitor unit 712 to satisfy users with different heights;
two stereoscopic monitor units 712 mounted on the position adjustment mechanism 711, and performing position adjustment by the position adjustment mechanism 711; the stereo monitor unit 712 is in video connection with the multi-position stereo microscope camera assembly 5.
A bracket (not shown) is further included, and each of the position adjustment mechanisms 711 is mounted on the bracket.
The stereoscopic monitor unit 712 includes:
a monitor hidden shell 7121, which is provided with two light through holes 71211 at the upper part and is arranged on the position adjusting mechanism 711;
the two monitoring screens 7122 are symmetrically arranged at the left side and the right side inside the monitor dark shell 7121 and are in video connection with the multi-position stereoscopic microscopic camera assembly 5;
two window sheets 7123 respectively arranged in the two light through holes 71211;
two optometry lenses 7124 respectively arranged at the outer sides of the two window sheets 7123;
and two reflecting mirrors 7125 symmetrically arranged inside the monitor dark shell 7121 and used for reflecting the image displayed by the monitor screen 7122 out through a window sheet 7123 and an optometry lens 7124 in sequence.
The multi-way mid-way monitor screen 8 includes:
the middle-path monitoring screens 81 are arranged between the multi-wavelength multi-angle illuminating device 100 and the multi-position three-dimensional monitor 7 and are in video connection with the middle-path microscopic camera 6; the middle monitoring screen 81 is a touch display screen and can edit and output image marks for real-time interactive communication; the middle monitor 81 obtains the normal image display through image rotation, up-down turning, left-right mirror image.
The utility model discloses the theory of operation:
the user opens the independent illuminating light beam unit 2 installed on the bracket base 12 to illuminate the operation field 3, and based on the light reflection condition of the operation field 3, opens the independent illuminating light beam unit 2 installed on the extension part 13, closes the independent illuminating light beam unit 2 causing light reflection, so that the operation field 3 has no light reflection condition; and based on the actual color of the surgical field 3, the wavelength of the individual illumination beam unit 2 is adjusted to enhance the display effect.
To sum up, the utility model has the advantages that:
by arranging the illumination light beam bracket and the independent illumination light beam units, a user can start the corresponding independent illumination light beam units according to the actual needs of the operation and set the wavelengths of the independent illumination light beam units, namely, a multi-angle, multi-wavelength or multi-azimuth illumination light beam array of fluorescence contrast excitation light is formed according to the actual needs, and the damage of light radiation to retina of the eye bottom is avoided in order to be seen more clearly and increase the illumination without restriction; high reflection caused by media such as cornea, crystal and the like can be avoided by adjusting the illumination angle, so that a user can see the high reflection more clearly; the independent illuminating beam unit with specific wavelength can be used according to the actual needs of the operation, such as monochromatic light with certain wavelength, infrared or fluorescence contrast exciting light and the like, so that the visibility is improved, and the visual obstacle of the traditional pure optical operation microscope does not exist; for example, during an operation, when bleeding or large red content is seen in an operation visual field, green red-free light without red content can be selected, so that the display observation effect can be greatly improved, namely, the wavelength and the angle of illumination can be automatically adjusted, and the visibility and the safety of the use of the operation microscope are greatly improved.
Although specific embodiments of the present invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the claims appended hereto.
Claims (3)
1. The utility model provides a be applied to ophthalmic surgery microscope's multi-wavelength multi-angle lighting device which characterized in that: the method comprises the following steps:
the lighting beam bracket is provided with a plurality of mounting holes, and the extension lines of the central axes of the mounting holes are intersected in the operation visual field;
the independent illuminating beam units are respectively arranged in the mounting holes; the individual illumination beam unit includes:
the light-gathering lens cone is arranged in the mounting hole;
the condenser lens group is arranged in the condenser lens cone;
the optical filter is arranged at the lower end of the condenser lens group;
the LED radiator is arranged at the upper end of the condenser lens group;
and the LED lamp is arranged on the bottom surface of the LED radiator, and the irradiation direction faces the condenser lens group.
2. The multi-wavelength multi-angle illumination device applied to the ophthalmic surgery microscope as claimed in claim 1, wherein: the illumination beam support comprises:
the bracket body is circular and is provided with a plurality of mounting holes;
the plurality of extending parts are annularly arranged on the side edge of the bracket body and provided with a plurality of mounting holes; each extension part bends downwards at a certain angle.
3. The multi-wavelength multi-angle illumination device applied to the ophthalmic surgery microscope as claimed in claim 1, wherein: the LED lamp is a white light lamp, a multi-wavelength light lamp or a fluorescence contrast excitation light lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020966966.1U CN212781476U (en) | 2020-06-01 | 2020-06-01 | Be applied to ophthalmic surgery microscope's multi-wavelength multi-angle lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020966966.1U CN212781476U (en) | 2020-06-01 | 2020-06-01 | Be applied to ophthalmic surgery microscope's multi-wavelength multi-angle lighting device |
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| Publication Number | Publication Date |
|---|---|
| CN212781476U true CN212781476U (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020966966.1U Active CN212781476U (en) | 2020-06-01 | 2020-06-01 | Be applied to ophthalmic surgery microscope's multi-wavelength multi-angle lighting device |
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| CN (1) | CN212781476U (en) |
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- 2020-06-01 CN CN202020966966.1U patent/CN212781476U/en active Active
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