CN219461655U - Three-dimensional scanning device - Google Patents
Three-dimensional scanning device Download PDFInfo
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- CN219461655U CN219461655U CN202320687003.1U CN202320687003U CN219461655U CN 219461655 U CN219461655 U CN 219461655U CN 202320687003 U CN202320687003 U CN 202320687003U CN 219461655 U CN219461655 U CN 219461655U
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- 230000003287 optical effect Effects 0.000 description 22
- 208000002177 Cataract Diseases 0.000 description 3
- 208000030533 eye disease Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002430 laser surgery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model provides a three-dimensional scanning device, comprising: the device comprises a light source assembly, a first reflecting mirror, a second reflecting mirror, a first moving platform, a second moving platform, a third reflecting mirror, a fourth reflecting mirror and a fifth reflecting mirror; the first moving platform is used for moving along the direction of the light path reflected by the second reflector, and the second moving platform is used for moving along the direction of the light path reflected by the third reflector; the third moving platform is used for moving along the direction perpendicular to the direction of the light path reflected by the fourth reflecting mirror; the light beam emitted by the light source assembly is reflected into the third reflecting mirror through the first reflecting mirror and the second reflecting mirror, and then the light beam emitted by the light source assembly moves along with the movement of the first moving platform, the second moving platform and the third moving platform; it can be seen that the present utility model can be moved by means of three different mirrors of the moving platform belt to realize a device for changing the laser position in three dimensions to realize accurate determination of the laser point location and the cut-in angle.
Description
Technical Field
The utility model relates to the technical field of eye scanning devices, in particular to a three-dimensional scanning device.
Background
The probability of eye diseases of people is continuously increased, and many people suffer from eye diseases, especially cataract is common eye diseases, the current treatment of cataract needs to be performed by laser surgery, and the device for realizing the laser surgery needs accurate laser point position and incision angle, so that good cataract treatment effect can be started.
Accordingly, a need exists for a device that can precisely change the laser position in three dimensions to achieve precise laser spot location and cut angle determination.
Disclosure of Invention
Aiming at the technical problems, the utility model adopts the following technical scheme:
a three-dimensional scanning device for moving a laser beam onto an eye, wherein the three-dimensional scanning device comprises: a light source assembly, a mirror assembly, and a three-dimensional scanning assembly.
The mirror assembly includes a first mirror and a second mirror.
The three-dimensional scanning assembly comprises a first moving platform, a second moving platform, a third reflecting mirror, a fourth reflecting mirror and a fifth reflecting mirror.
The light source assembly is used for emitting light beams.
The first reflector is positioned on the light path of the light source assembly, and an included angle of 45 degrees is formed between the first reflector and the light path of the light source assembly.
The second reflector is positioned on the light path reflected by the first reflector, and an included angle of 45 degrees is formed between the second reflector and the light path reflected by the first reflector.
The first moving platform is used for moving along the direction of the light path reflected by the second reflecting mirror.
The third reflector is arranged on the first moving platform and is positioned on the light path reflected by the second reflector, wherein an included angle of 45 degrees is formed between the third reflector and the light path reflected by the second reflector.
The second moving platform is used for moving along the direction of the light path reflected by the third reflecting mirror.
The fourth reflector is arranged on the second moving platform and is positioned on the light path reflected by the third reflector, wherein an included angle of 45 degrees is formed between the fourth reflector and the light path reflected by the third reflector.
The third moving platform is used for moving along the direction perpendicular to the direction of the light path reflected by the fourth reflecting mirror.
The fifth reflector is arranged on the third moving platform and is positioned on the light path reflected by the fourth reflector, wherein an included angle of 45 degrees is formed between the fifth reflector and the light path reflected by the fourth reflector.
Specifically, the light source component is a laser.
Further, the laser is a femtosecond laser.
Specifically, the three-dimensional scanning device further comprises a condensing lens assembly, and the condensing lens assembly is used for converging light beams.
Further, the condensing lens assembly is positioned on the light path reflected by the fifth reflecting mirror.
Specifically, the third mobile platform is disposed on the second mobile platform.
Further, the second mobile platform is arranged on the first mobile platform.
The utility model has at least the following beneficial effects:
the utility model provides a three-dimensional scanning device, comprising: a light source assembly, a reflector assembly and a three-dimensional scanning assembly; the mirror assembly includes a first mirror and a second mirror; the three-dimensional scanning assembly comprises a first moving platform, a second moving platform, a third reflecting mirror, a fourth reflecting mirror and a fifth reflecting mirror; the light source component is used for emitting light beams; the first reflector is positioned on the light path of the light source assembly, and an included angle of 45 degrees is formed between the first reflector and the light path of the light source assembly in parallel; the second reflector is positioned on the light path reflected by the first reflector, and an included angle of 45 degrees is formed between the second reflector and the light path reflected by the first reflector in parallel; the first moving platform is used for moving along the direction of the light path reflected by the second reflecting mirror; the third reflector is arranged on the first moving platform and is positioned on the light path reflected by the second reflector, wherein an included angle of 45 degrees is formed between the third reflector and the light path reflected by the second reflector in parallel; the second moving platform is used for moving along the direction of the light path reflected by the third reflecting mirror; the fourth reflector is arranged on the second moving platform and is positioned on the light path reflected by the third reflector, wherein an included angle of 45 degrees is formed between the fourth reflector and the light path reflected by the third reflector in parallel; the third moving platform is used for moving along the direction perpendicular to the direction of the light path reflected by the fourth reflecting mirror; the fifth reflecting mirror is arranged on the third moving platform and is positioned on the optical path reflected by the fourth reflecting mirror, wherein an included angle of 45 degrees is formed between the fifth reflecting mirror and the optical path reflected by the fourth reflecting mirror; according to the utility model, the laser position is changed in the three-dimensional direction by moving the three different reflectors of the movable platform belt, so that the laser point position and the cutting-in angle are accurately determined.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings needed in the description of the embodiments will be briefly described below, it will be apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art;
fig. 1 is a schematic structural diagram of a three-dimensional scanning device according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of the third mobile platform according to the embodiment of the present utility model;
the device comprises a 1-light source assembly, a 2-reflecting mirror assembly, a 3-three-dimensional scanning assembly, a 4-collecting mirror assembly, a 21-first reflecting mirror, a 22-second reflecting mirror, a 31-first moving platform, a 32-second moving platform, a 33-third moving platform, a 34-third reflecting mirror, a 35-fourth reflecting mirror and a 36-fifth reflecting mirror.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
As shown in fig. 1 to 2, the present embodiment provides a three-dimensional scanning device for irradiating a laser beam onto an eye for point-by-point movement, the three-dimensional scanning device comprising: a light source assembly 1, a mirror assembly 2 and a three-dimensional scanning assembly 3.
In particular, the mirror assembly 2 comprises a first mirror 21 and a second mirror 22.
Further, the first reflecting mirror 21 and the second reflecting mirror 22 are ellipsoidal reflecting mirrors, so as to realize the beam expansion effect on the laser beam, so as to avoid the insufficient beam expansion precision caused by the beam expansion device.
Further, the value of the beam expansion ratio of the first reflecting mirror 21 and the second reflecting mirror 22 ranges from 1:2 to 1:10, and preferably, the value of the beam expansion ratio of the first reflecting mirror 21 and the second reflecting mirror 22 ranges from 1:6.
Specifically, the three-dimensional scanning assembly 3 includes a first moving stage 31, a second moving stage 32, a third moving stage 33, a third mirror 34, a fourth mirror 35, and a fifth mirror 36.
Further, the third mirror 34, the fourth mirror 35 and the fifth mirror 36 are all plane mirrors or prisms.
Specifically, the light source assembly 1 is configured to emit a light beam.
Further, the light source assembly 1 is a laser, for example, a pulse laser or a continuous laser, which are all included in the protection scope of the present utility model, and are not described herein.
Preferably, the pulse laser is a femtosecond laser or a picosecond laser, and any femtosecond laser in the prior art is known to those skilled in the art, which belongs to the protection scope of the present utility model, and is not described herein.
Specifically, the first reflecting mirror 21 is located on the light path of the light source assembly 1, and an included angle of 45 degrees is formed between the first reflecting mirror 21 and the light path of the light source assembly 1; it can be understood that: an included angle of 45 degrees is formed between the plane where the first reflecting mirror 21 is located and the light path of the light source assembly 1, so that the direction of the light path of the light source assembly 1 can be changed; further understand that: the light path reflected by the first reflecting mirror 21 forms an included angle of 90 degrees with the light path of the light source assembly 1.
Specifically, the second reflecting mirror 22 is located on the optical path reflected by the first reflecting mirror 21, and an angle of 45 degrees is formed between the second reflecting mirror 22 and the optical path reflected by the first reflecting mirror 21; it can be understood that: an included angle of 45 degrees is formed between the plane where the second reflecting mirror 22 is located and the light path reflected by the first reflecting mirror 21, so that the direction of the light path reflected by the first reflecting mirror 21 can be changed; further understand that: an included angle of 90 degrees is formed between the light path reflected by the first reflecting mirror 21 and the light path reflected by the second reflecting mirror 22. The light paths of the light source component 1 form an included angle of 90 degrees.
Specifically, the first moving platform 31 is configured to move along the direction of the optical path reflected by the second reflecting mirror 22.
Further, the third reflecting mirror 34 is disposed on the first moving platform 31, and the third reflecting mirror 34 is located on the optical path reflected by the second reflecting mirror 22, where an angle of 45 degrees is formed between the third reflecting mirror 34 and the optical path reflected by the second reflecting mirror 22; it can be understood that: an included angle of 45 degrees is formed between the plane where the third reflecting mirror 34 is located and the light path reflected by the second reflecting mirror 22, so that the direction of the light path reflected by the second reflecting mirror 22 can be changed; further understand that: the light path reflected by the third mirror 34 is at a 90 degree angle to the light path reflected by the second mirror 22.
Specifically, the second moving platform 32 is configured to move along the direction of the optical path reflected by the third reflecting mirror 34.
Further, the fourth reflecting mirror 35 is disposed on the second moving platform 32, and the fourth reflecting mirror 35 is located on the optical path reflected by the third reflecting mirror 34, where an angle of 45 degrees is formed between the fourth reflecting mirror 35 and the optical path reflected by the third reflecting mirror 34; it can be understood that: an included angle of 45 degrees is formed between the plane where the fourth reflecting mirror 35 is located and the light path reflected by the third reflecting mirror 34, so that the direction of the light path reflected by the third reflecting mirror 34 can be changed; further understand that: an included angle of 90 degrees is formed between the light path reflected by the fourth reflecting mirror 35 and the light path reflected by the third reflecting mirror 34.
Specifically, the third moving platform 33 is configured to move along a direction perpendicular to the direction of the optical path reflected by the fourth reflecting mirror 35.
Further, the fifth reflecting mirror 36 is disposed on the third moving platform 33, and the fifth reflecting mirror 36 is located on the optical path reflected by the fourth reflecting mirror 35, where an angle of 45 degrees is perpendicular between the fifth reflecting mirror 36 and the optical path reflected by the fourth reflecting mirror 35; it can be understood that: an included angle of 45 degrees is formed between the vertical plane where the fifth reflecting mirror 36 is located and the light path reflected by the fourth reflecting mirror 35, so that the direction of the light path reflected by the fourth reflecting mirror 35 can be changed; further understand that: the light path reflected by the fourth reflecting mirror 35 forms an angle of 90 degrees with the light path reflected by the fifth reflecting mirror 36 on a vertical plane.
Specifically, the three-dimensional scanning device further includes a condenser lens assembly 4, where the condenser lens assembly 4 is configured to converge the light beam, and the condenser lens assembly 4 is located on the optical path reflected by the fifth reflecting mirror 36.
In a specific embodiment, the first moving platform 31, the second moving platform 32 and the third moving platform 33 all move independently; it can be understood that: when only the first moving platform 31 is moved, neither the second moving platform 32 nor the third moving platform 33 is moved, when only the second moving platform 32 is moved, neither the first moving platform 31 nor the third moving platform 33 is moved, and when only the third moving platform 33 is moved, neither the second moving platform 32 nor the first moving platform 31 is moved.
In another specific embodiment, the third mobile platform 33 is disposed on the second mobile platform 32 and the second mobile platform 32 is disposed on the first mobile platform 31; it can be understood that: when the first moving platform 31 moves, the third moving platform 33 and the second moving platform 32 both move along with the first moving platform 31; when the second moving platform 32 moves, the third moving platform 33 moves along with the second moving platform 32; further understand that: setting the moving direction of the first moving platform 31 as the X-axis direction, setting the moving direction of the second moving platform 32 as the Y-axis direction, and setting the moving direction of the third moving platform 33 as the Z-axis direction, moving the first moving platform 31, the second moving platform 32 and the third moving platform 33 also drives the moving of the reflecting mirrors on the first moving platform 31, the second moving platform 32 and the third moving platform 33, so that the three-dimensional point-by-point movement is realized while the length of the reflecting light path is changed, and the laser beam can be further moved in three dimensions on the eyes, thereby realizing accurate cutting of eye crystals; preferably, the optical path of the light source assembly 1, the optical path reflected by the second reflecting mirror 22 and the optical path reflected by the fourth reflecting mirror 35 are all along the X-axis direction, the optical path reflected by the first reflecting mirror 21 and the optical path reflected by the third reflecting mirror 34 are all along the Y-axis direction, and the optical path reflected by the fifth reflecting mirror 36 is along the Z-axis direction; in the above, when the first embodiment is described, the X-axis, the Y-axis, and the Z-axis are associated to move, there is no need to compensate the movement amount on the single axis, so that the fast and accurate movement of the laser beam is realized, so as to realize the device for changing the laser position in the three-dimensional direction, so as to accurately determine the laser point position and the cutting angle.
The present embodiment provides a three-dimensional scanning device, including: a light source assembly, a reflector assembly and a three-dimensional scanning assembly; the mirror assembly includes a first mirror and a second mirror; the three-dimensional scanning assembly comprises a first moving platform, a second moving platform, a third reflecting mirror, a fourth reflecting mirror and a fifth reflecting mirror; the light source component is used for emitting light beams; the first reflector is positioned on the light path of the light source assembly, and an included angle of 45 degrees is formed between the first reflector and the light path of the light source assembly in parallel; the second reflector is positioned on the light path reflected by the first reflector, and an included angle of 45 degrees is formed between the second reflector and the light path reflected by the first reflector in parallel; the first moving platform is used for moving along the direction of the light path reflected by the second reflecting mirror; the third reflector is arranged on the first moving platform and is positioned on the light path reflected by the second reflector, wherein an included angle of 45 degrees is formed between the third reflector and the light path reflected by the second reflector in parallel; the second moving platform is used for moving along the direction of the light path reflected by the third reflecting mirror; the fourth reflector is arranged on the second moving platform and is positioned on the light path reflected by the third reflector, wherein an included angle of 45 degrees is formed between the fourth reflector and the light path reflected by the third reflector in parallel; the third moving platform is used for moving along the direction perpendicular to the direction of the light path reflected by the fourth reflecting mirror; the fifth reflecting mirror is arranged on the third moving platform and is positioned on the optical path reflected by the fourth reflecting mirror, wherein an included angle of 45 degrees is formed between the fifth reflecting mirror and the optical path reflected by the fourth reflecting mirror; according to the utility model, the device for changing the laser position in the three-dimensional direction is realized by moving the three different reflectors of the movable platform belt, so that the laser point position and the cutting-in angle are accurately determined.
While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. Those skilled in the art will also appreciate that many modifications may be made to the embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.
Claims (7)
1. A three-dimensional scanning device, characterized in that the three-dimensional scanning device comprises: a light source assembly (1), a reflector assembly (2) and a three-dimensional scanning assembly (3);
the mirror assembly (2) comprises a first mirror (21) and a second mirror (22);
the three-dimensional scanning assembly (3) comprises a first mobile platform (31), a second mobile platform (32), a third mobile platform (33), a third reflecting mirror (34), a fourth reflecting mirror (35) and a fifth reflecting mirror (36);
the light source assembly (1) is used for emitting light beams;
the first reflecting mirror (21) is positioned on the light path of the light source assembly (1), and an included angle of 45 degrees is formed between the first reflecting mirror (21) and the light path of the light source assembly (1) in parallel;
the second reflecting mirror (22) is positioned on the light path reflected by the first reflecting mirror (21), and an included angle of 45 degrees is formed between the second reflecting mirror (22) and the light path reflected by the first reflecting mirror (21) in parallel;
the first moving platform (31) is used for moving along the direction of the light path reflected by the second reflecting mirror (22);
the third reflecting mirror (34) is arranged on the first moving platform (31) and the third reflecting mirror (34) is positioned on a light path reflected by the second reflecting mirror (22), wherein an included angle of 45 degrees is formed between the third reflecting mirror (34) and the light path reflected by the second reflecting mirror (22) in parallel;
the second moving platform (32) is used for moving along the direction of the light path reflected by the third reflector (34);
the fourth reflecting mirror (35) is arranged on the second moving platform (32) and the fourth reflecting mirror (35) is positioned on a light path reflected by the third reflecting mirror (34), wherein an included angle of 45 degrees is formed between the fourth reflecting mirror (35) and the light path reflected by the third reflecting mirror (34);
the third moving platform (33) is used for moving along the direction perpendicular to the direction of the light path reflected by the fourth reflecting mirror (35);
the fifth reflecting mirror (36) is arranged on the third moving platform (33) and the fifth reflecting mirror (36) is positioned on a light path reflected by the fourth reflecting mirror (35), wherein an included angle of 45 degrees is formed between the fifth reflecting mirror (36) and the light path reflected by the fourth reflecting mirror (35).
2. The three-dimensional scanning device according to claim 1, characterized in that the light source assembly (1) is a laser.
3. The three-dimensional scanning device of claim 2, wherein the laser is a femtosecond laser.
4. The three-dimensional scanning device according to claim 1, characterized in that it further comprises a condenser lens assembly (4), said condenser lens assembly (4) being adapted to converge the light beam.
5. The three-dimensional scanning device according to claim 4, characterized in that the collection mirror assembly (4) is located in the light path reflected by the fifth mirror (36).
6. The three-dimensional scanning device according to claim 1, characterized in that the third moving platform (33) is arranged on the second moving platform (32).
7. The three-dimensional scanning device according to claim 6, characterized in that the second mobile platform (32) is arranged on the first mobile platform (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320687003.1U CN219461655U (en) | 2023-03-31 | 2023-03-31 | Three-dimensional scanning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320687003.1U CN219461655U (en) | 2023-03-31 | 2023-03-31 | Three-dimensional scanning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219461655U true CN219461655U (en) | 2023-08-04 |
Family
ID=87440287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320687003.1U Active CN219461655U (en) | 2023-03-31 | 2023-03-31 | Three-dimensional scanning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219461655U (en) |
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2023
- 2023-03-31 CN CN202320687003.1U patent/CN219461655U/en active Active
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