CN213715592U

CN213715592U - Operation microscope for dentistry

Info

Publication number: CN213715592U
Application number: CN202022977208.2U
Authority: CN
Inventors: 李志荣; 陈群; 黎阳成; 龚意丽; 杨智强
Original assignee: Alltion Guangxi Instrument Co ltd
Current assignee: Alltion Guangxi Instrument Co ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-07-16
Anticipated expiration: 2030-12-11

Abstract

The utility model discloses an operation microscope for dentistry, which belongs to the technical field of medical products, and utilizes the microscope to have a purple light illumination mode, and a filter group lens component can move in or out along with the starting and closing of the purple light illumination mode when selecting the illumination mode, thereby having the characteristics of compact structure and convenient illumination mode switching; the utility model provides an operation microscope of dentistry usefulness, includes mirror body, objective, zoom mechanism, optical filter subassembly, lighting mechanism, wherein, lighting mechanism includes purple light LED lamp source and white light LED lamp source, this internal light source switching structure that can drive purple light LED lamp source, white light LED lamp source and rotate simultaneously and can drive optical filter subassembly reciprocating motion that is equipped with of mirror body.

Description

Operation microscope for dentistry

Technical Field

The utility model relates to a medical product's technical field, more specifically say, especially relate to an operation microscope that dentistry was used.

Background

The surgical microscope for dentistry in the market at present basically comprises a zoom device, an objective lens and an illumination system which are positioned on an observation light path of the surgical microscope for dentistry, wherein the illumination system comprises two groups of condensing lens groups, a reflecting prism and a light source component which are positioned on the illumination light path.

In the dental field, caries bacteria can generate a special purine, the purine can generate red fluorescence under the irradiation of light with the wavelength of 405nm, then the red fluorescence is filtered out through a specific optical filter component, and people's eyes or a camera can clearly distinguish caries in the purine.

In view of the application of the above technology in the dental clinical field, some surgical microscopes for dental use have increased the violet illumination mode with a wavelength of 405nm, but it is difficult to combine compact structure, low cost and flexible switching for the application of these microscopes to the technology. For example, patent application with the name of surgical microscope for dentistry, which is published under CN106725906A, can realize one-key flexible switching to violet illumination by using a multifunctional joystick through a complex electric control unit, but the whole structure is complex and the manufacturing cost is high; also, for example, patent publication No. CN208207348U is named as a dental surgical microscope, which can realize flexible switching of illumination modes by operating components, but the light source switching device is not linked with the filter component switching device, and after switching to the violet illumination mode, an additional operating component is required to move a specific filter component into the microscope observation optical path, which is cumbersome to use. Therefore, it is highly desirable to invent a microscope with violet illumination mode that is more practical, flexible and compact.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an operation microscope of dentistry usefulness utilizes this microscope to have purple light illumination mode to filter group mirror subassembly can be along with purple light illumination mode's launching and closing and immigration or shift out when selecting illumination mode, has compact structure, switches the convenient characteristics of illumination mode.

The utility model adopts the technical scheme as follows:

the utility model provides an operation microscope of dentistry usefulness, includes mirror body, objective, zoom mechanism, optical filter subassembly, lighting mechanism, wherein, lighting mechanism includes purple light LED lamp source and white light LED lamp source, this internal light source switching structure that can drive purple light LED lamp source, white light LED lamp source and rotate simultaneously and can drive optical filter subassembly reciprocating motion that is equipped with of mirror body.

Furthermore, the light source switching structure comprises a gear and a rack, the gear is connected with the purple light LED lamp source and the white light LED lamp source at the same time, one end of the rack is meshed with the gear, and the other end of the rack is connected with the optical filter assembly.

Furthermore, the light source switching structure comprises a fixed support and a lamp holder, the lamp holder is rotatably connected with the fixed support, the purple light LED lamp source and the white light LED lamp source are symmetrically arranged on two sides of the lamp holder, the gear is connected with the lamp holder, and the rack is inserted on the fixed support in a sliding manner.

Furthermore, the light source switching structure further comprises a control knob, and the control knob is connected with the gear shaft corresponding to the gear.

Furthermore, the control knob is arranged outside the mirror body.

Furthermore, the light filter component has the light transmittance of 20-35% for the wavelength of 500-550 nm, the light transmittance of more than 50% for the wavelength of 600-650 nm and the light transmittance of less than 0.1% for the wavelength of 380-430 nm.

Furthermore, the illuminating mechanism is sequentially provided with a second condenser lens group and a reflecting prism along a light path, and first condenser lens groups are arranged on the outer sides of the purple light LED lamp source and the white light LED lamp source.

Furthermore, the dominant wavelength of light emitted by the purple light LED lamp source is 380-430 nm.

Compared with the prior art, the utility model discloses the beneficial effect who has does:

the utility model discloses an operation microscope that dentistry was used, including mirror body, objective, zoom mechanism, filter subassembly, lighting mechanism, wherein, lighting mechanism includes purple light LED lamp source and white light LED lamp source, this internal light source switching structure that can drive purple light LED lamp source, white light LED lamp source and rotate simultaneously and can drive filter subassembly reciprocating motion that is equipped with of mirror body. The light source switching structure is arranged in the body of the microscope, so that the structure of the operating microscope can be more compact; during the use, utilize the light source to switch the structure, can switch the illumination mode in purple light illumination and two kinds of modes of white light illumination to the light filter subassembly in the mirror body can shift into between objective and the zoom mechanism and filter when the purple light illumination mode, shifts out between objective and the zoom mechanism when the white light illumination mode, and it is more convenient to switch the illumination mode.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a perspective view of the present invention;

fig. 2 is a schematic cross-sectional view of the present invention;

fig. 3 is a schematic structural view of the illumination mechanism of the present invention;

fig. 4 is a schematic structural diagram of the light source switching structure of the present invention.

Description of reference numerals: 1. a mirror body; 2 a zoom mechanism; 3. an optical filter assembly; 4 purple light LED lamp source; 5 white light LED lamp source; 6. a gear; 7. a rack; 8. a fixed support; 9. a lamp socket; 10. a control knob; 11. a second condenser lens group; 12. a reflecting prism; 13. a first condenser lens group.

Detailed Description

The technical solution of the present invention will be further described in detail with reference to the following detailed description, but the present invention is not limited thereto.

Referring to fig. 1 to 4, the utility model discloses an operation microscope for dentistry, including body of the mirror 1, objective, zoom mechanism 2, optical filter component 3, lighting mechanism, wherein, lighting mechanism includes purple light LED lamp source 4 and white light LED lamp source 5, body of the mirror 1 in be equipped with and to drive purple light LED lamp source 4, white light LED lamp source 5 and rotate simultaneously and can drive optical filter component 3 reciprocating motion's light source switching structure. The dental operation microscope of the utility model can make the structure of the operation microscope more compact by arranging the light source switching structure in the body 1; during the use, utilize light source switching structure to drive purple light LED lamp source 4, white light LED lamp source 5 rotates simultaneously and drives light filter subassembly 3 reciprocating motion, can switch the illumination mode in purple light illumination and two kinds of modes of white light illumination, and light filter subassembly 3 in mirror body 1 can shift into objective and zoom between the mechanism 2 when purple light illumination mode and filter, shift out objective and zoom between the mechanism 2 when white light illumination mode, it is more convenient to switch the illumination mode.

The light source switching structure comprises a gear 6 and a rack 7, the gear 6 is simultaneously connected with the purple light LED light source 4 and the white light LED light source 5, one end of the rack 7 is meshed with the gear 6, the other end of the rack is connected with the optical filter component 3, and the purple light LED light source 4 and the white light LED light source 5 can simultaneously rotate by utilizing the mutual matching of the gear 6 and the rack 7 so as to select a desired lighting mode.

The light source switching structure comprises a fixed support 8 and a lamp holder 9, the lamp holder 9 is rotatably connected with the fixed support 8, the purple light LED lamp source 4 and the white light LED lamp source 5 are symmetrically arranged on two sides of the lamp holder 9, the purple light LED lamp source 4 and the white light LED lamp source 5 are conveniently linked at the same time, the gear 6 is connected with the lamp holder 9, the rack 7 is inserted on the fixed support 8 in a sliding mode, and the fixed support 8 conveniently fixes the rack 7 in the mirror body 1 and enables the rack 7 to be connected with the gear 6.

The light source switching structure further comprises a control knob 10, the control knob 10 is connected with a gear shaft corresponding to the gear 6, the light source switching structure can be controlled by the control knob 10, so that the switching of the illumination modes and the movement of the optical filter component 3 are realized, and the control is convenient. The control knob 10 is arranged outside the mirror body 1, so that the switching of the lighting mode and the movement control of the optical filter component 3 can be realized directly outside the mirror body 1, and the operation is more convenient.

The light filter component 3 has the light transmittance of 20-35% to the wavelength of 500-550 nm, the light transmittance of more than 50% to the wavelength of 600-650 nm and the light transmittance of less than 0.1% to the wavelength of 380-430 nm, and can effectively filter the light emitted by the violet LED lamp source 4 in the violet illumination mode so as to ensure that the wavelength of the light source transmitted out of the objective lens meets the use requirement.

The illuminating mechanism is sequentially provided with a second condenser lens group 11 and a reflecting prism 12 along a light path, the outer sides of the purple light LED lamp source 4 and the white light LED lamp source 5 are respectively provided with a first condenser lens group 13, light emitted from the purple light LED lamp source 4 or the white light LED lamp source 5 is condensed by the first condenser lens group 13 and the two sides of the second condenser lens group 11, and then is diffused by the reflecting prism 12 to be sent out of the objective lens, so that the illuminating effect of the light source is better.

The dominant wavelength of light emitted by the purple light LED lamp source 4 is 380-430 nm, and the light source in the wavelength range meets the requirement of purple light.

The above description is only for the preferred embodiment of the present invention, and all modifications, equivalents, improvements and the like made within the spirit and scope of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an operation microscope that dentistry was used, includes mirror body (1), objective, zoom mechanism (2), light filter subassembly (3), lighting mechanism, its characterized in that, lighting mechanism includes purple light LED lamp source (4) and white light LED lamp source (5), mirror body (1) in be equipped with and to drive purple light LED lamp source (4), white light LED lamp source (5) and rotate simultaneously and can drive light filter subassembly (3) reciprocating motion's light source switching structure.

2. A dental operating microscope according to claim 1, wherein the light source switching structure comprises a gear (6) and a rack (7), the gear (6) is connected to the purple light LED light source (4) and the white light LED light source (5) simultaneously, one end of the rack (7) is engaged with the gear (6), and the other end is connected to the optical filter assembly (3).

3. A dental operating microscope according to claim 2, wherein the light source switching structure comprises a fixed support (8) and a lamp holder (9), the lamp holder (9) is rotatably connected with the fixed support (8), the violet LED light source (4) and the white LED light source (5) are symmetrically arranged at two sides of the lamp holder (9), the gear (6) is connected with the lamp holder (9), and the rack (7) is slidably inserted on the fixed support (8).

4. A dental operating microscope according to claim 2, wherein the light source switching structure further comprises a control knob (10), and the control knob (10) is connected to a corresponding gear shaft of the gear (6).

5. A dental operating microscope according to claim 4, characterized in that the operating knob (10) is arranged outside the scope body (1).

6. A dental operating microscope according to claim 1, wherein the optical filter assembly (3) has a light transmittance of 20 to 35% at a wavelength of 500 to 550nm, a light transmittance of more than 50% at a wavelength of 600 to 650nm, and a light transmittance of less than 0.1% at a wavelength of 380 to 430 nm.

7. A dental operating microscope according to claim 1, wherein the illumination mechanism is provided with a second condenser lens group (11) and a reflecting prism (12) along the light path, and a first condenser lens group (13) is provided outside the violet LED light source (4) and the white LED light source (5).

8. A dental operating microscope according to claim 1 wherein the violet LED light source (4) emits light having a dominant wavelength of 380 to 430 nm.