CN217886197U - Scanning type laser therapeutic apparatus - Google Patents
Scanning type laser therapeutic apparatus Download PDFInfo
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- CN217886197U CN217886197U CN202221036027.2U CN202221036027U CN217886197U CN 217886197 U CN217886197 U CN 217886197U CN 202221036027 U CN202221036027 U CN 202221036027U CN 217886197 U CN217886197 U CN 217886197U
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- 230000001225 therapeutic effect Effects 0.000 title claims abstract description 24
- 238000007493 shaping process Methods 0.000 claims abstract description 39
- 238000011282 treatment Methods 0.000 claims abstract description 31
- 238000013532 laser treatment Methods 0.000 claims abstract description 10
- 239000004065 semiconductor Substances 0.000 claims description 17
- 230000003287 optical effect Effects 0.000 claims description 9
- 238000009792 diffusion process Methods 0.000 claims description 6
- 230000010287 polarization Effects 0.000 claims description 6
- 210000004209 hair Anatomy 0.000 description 3
- XUMBMVFBXHLACL-UHFFFAOYSA-N Melanin Chemical compound O=C1C(=O)C(C2=CNC3=C(C(C(=O)C4=C32)=O)C)=C2C4=CNC2=C1C XUMBMVFBXHLACL-UHFFFAOYSA-N 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 230000035617 depilation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000003780 hair follicle Anatomy 0.000 description 2
- 208000002874 Acne Vulgaris Diseases 0.000 description 1
- 102000008186 Collagen Human genes 0.000 description 1
- 108010035532 Collagen Proteins 0.000 description 1
- 241000186429 Propionibacterium Species 0.000 description 1
- 206010000496 acne Diseases 0.000 description 1
- 229920001436 collagen Polymers 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000002919 epithelial cell Anatomy 0.000 description 1
- 230000003779 hair growth Effects 0.000 description 1
- 210000004919 hair shaft Anatomy 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003491 skin Anatomy 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 210000000130 stem cell Anatomy 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
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Abstract
A scanning laser treatment apparatus comprising: a light source that emits laser light; the beam shaping device is positioned on the laser light path and is used for shaping the laser into a linear light spot beam; the linear light spot light beam is incident on the light beam deflection device, the light beam deflection device changes the emergence angle of the linear light spot light beam, and the linear light spot light beam is emergent from the light outlet to form a scanning surface on the treatment part. The light source emits continuous laser light or pulse laser light, the number of which is at least one. A beam combining device can be arranged on the light path and used for combining beams of different light sources. The utility model relates to a laser therapeutic instrument can realize the large tracts of land scanning of laser, improves treatment effeciency.
Description
Technical Field
The utility model belongs to the technical field of optics, in particular to scanning formula laser therapeutic instrument.
Background
Optical therapy is an important treatment technology in the current medical field, and has different treatment functions according to different parameters such as wavelength, power and the like of light. For example, laser depilation is based on the selective photothermal dynamics principle, and through reasonable selection of parameters such as light beam wavelength, energy, pulse width, etc., light is selectively absorbed by melanin in the hair shaft and hair sheath, and then is conducted to hair papilla and hair follicle epithelial cell bulge through thermal dispersion, so that irreversible damage occurs to hair follicle stem cells or hair papilla hair growth parts, and the effect of long-term depilation is achieved. And for example, the blue light can kill propionibacterium causing acne, and the red light can improve the activity of cells, promote the metabolism of the cells and enable the skin to secrete a large amount of collagen.
In addition to medical-grade optical treatment devices, portable treatment devices are also currently available. The laser light source has the characteristics of high power and narrow spectral line width, is an ideal light source for optical treatment, and has the characteristic of small divergence angle. Medical-grade treatment equipment can use enough laser light sources to realize large-area light spots because of no volume limitation. The portable therapeutic apparatus has limited number of light sources due to the limited volume, and the divergence angle of the laser light source is small, so that the large-area light spots are not easy to shape, and the therapeutic efficiency is low.
Disclosure of Invention
The embodiment of the utility model provides a scanning formula laser therapeutic instrument to solve the less problem of portable laser therapeutic instrument facula, improve treatment effeciency.
The embodiment of the utility model provides an one of, a scanning formula laser therapeutic instrument, this therapeutic instrument includes: a scanning laser therapeutic apparatus, comprising: a light source that emits laser light; the beam shaping device is positioned on the laser light path and is used for shaping the laser into a linear light spot beam; the linear light spot light beam is incident on the light beam deflection device, the light beam deflection device changes the emergence angle of the linear light spot light beam, the linear light spot light beam is emergent from the light outlet, and a scanning surface is formed on the treatment part.
Preferably, a beam combining device is arranged on a light path of the laser and used for combining the laser beams emitted by different light sources.
Preferably, the beam combining device is a wavelength beam combining device, a polarization beam combining device, a step prism beam combining device or a beam combining lens.
Preferably, the light source is a continuous semiconductor laser or a pulse semiconductor laser, the wavelength is larger than or equal to 300nm, and the number is at least one.
Preferably, the beam shaping device is composed of a collimating lens and a powell prism.
Preferably, the beam shaping device is composed of an optical waveguide, a collimating lens and a cylindrical lens.
Preferably, a diffusion sheet is arranged at the light outlet.
Preferably, the beam deflection device is a galvanometer, a rotating mirror or a one-dimensional MEMS galvanometer.
Preferably, the continuous semiconductor laser is controlled by a circuit system, and the continuous semiconductor laser is controlled to emit light by the circuit system.
Preferably, the galvanometer, the rotating mirror or the one-dimensional MEMS galvanometer is controlled by a circuit system, and the light beam polarization device is controlled by the circuit system to rotate, so that light beams are incident on the treatment part to form continuous linear light spots.
Preferably, the pulsed semiconductor laser is controlled by circuitry, and the light emission and emission frequency of the pulsed semiconductor laser are controlled by the circuitry.
Preferably, the galvanometer, the rotating mirror or the one-dimensional MEMS galvanometer is controlled by a circuit system, and the rotation parameters of the light beam polarization device are controlled by the circuit system, so that the edges of different linear light spots incident to the treatment part of the light beam are adjacent or partially overlapped to form continuous linear light spots.
Through the utility model discloses an invention changes the launch angle of linear facula light beam through the light beam deflection arrangement through laser beam plastic line form facula light beam, realizes laser beam's large tracts of land scanning, improves treatment efficiency.
Drawings
The above and other objects, features and advantages of exemplary embodiments of the present invention will become readily apparent from the following detailed description, which proceeds with reference to the accompanying drawings. Several embodiments of the present invention are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which:
fig. 1 is a schematic structural view of a scanning laser therapeutic apparatus according to one embodiment of the present invention.
Fig. 2 is a schematic structural view of a scanning laser therapeutic apparatus according to one embodiment of the present invention.
Fig. 3 is a schematic structural view of a scanning laser therapeutic apparatus according to one embodiment of the present invention.
Fig. 4 is a schematic structural view of a scanning laser therapeutic apparatus according to one embodiment of the present invention.
Fig. 5 is a schematic structural view of a scanning laser therapeutic apparatus according to one embodiment of the present invention.
Detailed Description
In accordance with one or more embodiments, a scanning laser treatment apparatus is illustrated in figure 1. A light source 1 that emits laser light; the beam shaping device 2 is positioned on the laser light path and is used for shaping the laser into a linear light spot beam; the linear light spot beam is incident on a beam deflection device 3, the beam deflection device 3 changes the emergence angle of the linear light spot beam, and the linear light spot beam is emergent from a light outlet 4 to form a scanning surface on a treatment part. The light source 1 is a pulse semiconductor laser with a central wavelength of about 810 nm. The light beam shaping device 2 is composed of a collimating lens 2-1, a collimating lens 2-2 and a Powell prism 2-3, the collimating lens 2-1 and the collimating lens 2-2 are cylindrical lenses, the two cylindrical lenses are perpendicular to each other and respectively compress divergence angles of a fast axis and a slow axis of the light source 1, a light beam emitted by the light source 1 is shaped into collimated light, and the Powell prism 2-3 shapes the collimated light into a linear light spot light beam with uniform light intensity distribution in the long axis direction. The diffusion sheet 5 is disposed on the light exit 4, and is configured to homogenize the light intensity of the light beam in the short axis direction, and the homogenized light beam exits from the light exit 4. A beam deflection device 3 is arranged between the beam shaping device 2 and the light outlet 4, and the beam deflection device 3 is a galvanometer. The light source 1 and the light beam deflection device 3 are controlled by a circuit system (not shown in the figure), the light emitting and emitting frequency of the light source 1 is controlled by the circuit system (not shown in the figure), and the rotation parameters of the light beam deflection device 3 are controlled, so that the edges of different linear light spots incident on the treatment part of the light beam are adjacent or partially overlapped to form continuous linear light spots, and the treatment part is scanned.
In accordance with one or more embodiments, a scanning laser treatment apparatus is illustrated in fig. 2. Light sources 6, 8, and 10 that emit laser light; beam shaping devices 7, 9 and 11, which are positioned on the laser light path and shape the laser into linear light spot beams; the linear spot beam is incident on a beam deflection device 13, and the beam deflection device 13 changes the exit angle of the linear spot beam, and exits from a light exit 14 to form a scanning surface on the treatment site. The light sources 6, 8 and 10 are continuous semiconductor lasers, the center wavelength of the light source 6 is about 635nm, the center wavelength of the light source 8 is about 470nm, and the center wavelength of the light source 10 is about 830 nm. The light beam shaping device 7 is composed of a collimating lens 7-1, a collimating lens 7-2 and a Powell prism 7-3, the collimating lens 7-1 and the collimating lens 7-2 are cylindrical lenses which are perpendicular to each other and respectively compress divergence angles of a fast axis and a slow axis of the light source 6, a light beam emitted by the light source 6 is shaped into collimated light, and the Powell prism 7-3 shapes the collimated light into a linear light spot light beam with uniform light intensity distribution in the long axis direction. The light beam shaping device 9 is composed of a collimating lens 9-1, a collimating lens 9-2 and a Powell prism 9-3, the collimating lens 9-1 and the collimating lens 9-2 are cylindrical lenses, the two cylindrical lenses are perpendicular to each other and respectively compress divergence angles of a fast axis and a slow axis of the light source 8, a light beam of the light source 8 is shaped into collimated light, and the Powell prism 9-3 shapes the collimated light into a linear light spot light beam with uniform light intensity distribution in the long axis direction. The light beam shaping device 11 is composed of a collimating lens 11-1, a collimating lens 11-2 and a Powell prism 11-3, the collimating lens 11-1 and the collimating lens 11-2 are cylindrical lenses which are perpendicular to each other and respectively compress divergence angles of a fast axis and a slow axis of the light source 10 to shape a light beam emitted by the light source 10 into collimated light, and the Powell prism 11-3 shapes the collimated light into a linear light spot light beam with uniform light intensity distribution in the long axis direction. The light beams emitted from the light beam shaping devices 7, 9 and 11 are combined by the beam combining device 12, and the beam combining device 12 is a wavelength beam combining device and can combine the light beams with the wavelength of about 635nm, the central wavelength of about 470nm and the central wavelength of about 830 nm. The linear spot beams emitted from the beam shaping device 7, the beam shaping device 9, and the beam shaping device 11 are combined into one beam by the wavelength combining device 12. The diffusion sheet 15 is provided on the light exit 14, and homogenizes the light intensity in the short axis direction of the light beam. A beam deflection device 13 is arranged between the beam combining device 12 and the light outlet 14, and the beam deflection device 13 is a one-dimensional MEMS galvanometer. The light sources 6, 8, 10 and the beam deflection device 13 are controlled by circuitry (not shown), the light sources 6, 8, 10 are controlled by the circuitry (not shown), and the beam deflection device 13 is controlled to rotate so that the light beam is incident on the treatment site to form a continuous linear spot to scan the treatment site.
In accordance with one or more embodiments, a scanning laser treatment apparatus is illustrated in a schematic diagram in fig. 3. Light sources 1 and 16 that emit laser light; beam shaping devices 2 and 17, which are positioned on the laser light path and shape the laser into linear light spot beams; the linear light spot beam is incident on the beam deflection device 19, the beam deflection device 19 changes the emergence angle of the linear light spot beam, and the linear light spot beam is emergent from the light outlet 20 to form a scanning surface on the treatment part. The light sources 1 and 16 are pulse semiconductor lasers, the central wavelength is about 810nm, the laser emitted by the light source 1 is elliptical polarized light with a horizontal long axis direction, and the laser emitted by the light source 16 is elliptical polarized light with a vertical long axis direction. The light beam shaping device 2 is composed of a collimating lens 2-1, a collimating lens 2-2 and a Powell prism 2-3, the collimating lens 2-1 and the collimating lens 2-2 are cylindrical lenses, the two cylindrical lenses are perpendicular to each other and respectively compress divergence angles of a fast axis and a slow axis of the light source 1, a light beam emitted by the light source 1 is shaped into collimated light, and the Powell prism 2-3 shapes the collimated light into a linear light spot light beam with uniform light intensity distribution in the long axis direction. The light beam shaping device 17 is composed of a collimating lens 17-1, a collimating lens 17-2 and a Powell prism 17-3, the collimating lens 17-1 and the collimating lens 17-2 are cylindrical lenses, the two cylindrical lenses are perpendicular to each other and respectively compress divergence angles of a fast axis and a slow axis of the light source 16, a light beam emitted by the light source 16 is shaped into collimated light, and the Powell prism 17-3 shapes the collimated light into a linear light spot light beam with uniform light intensity distribution in the long axis direction. The light beams emitted from the beam shaping devices 2 and 17 are combined by a beam combining device 18, and the beam combining device 18 is a polarization beam combining device, is arranged at an angle of 45 degrees with the emitted laser light of the light source 1 and the light source 16, transmits horizontal polarized light and reflects vertical polarized light. The linear spot beams emerging from the beam shaping means 2 and the beam shaping means 17 may be combined into one beam by the polarization beam combining means 18. The diffusion sheet 21 is provided on the light exit 20, and homogenizes the light intensity in the short axis direction of the light beam. A beam deflection device 19 is arranged between the beam combining device 18 and the light outlet 20, and the beam deflection device 19 is a rotating mirror. The light sources 1, 16 and the beam deflection device 19 are controlled by a circuit system (not shown), the light emitting and emitting frequencies of the light sources 1, 16 are controlled by the circuit system (not shown), and the rotation parameters of the beam deflection device 19 are controlled, so that the edges of different linear light spots incident on the treatment part of the light beam are adjacent or partially overlapped to form continuous linear light spots, and the treatment part is scanned.
In accordance with one or more embodiments, a scanning laser treatment apparatus is shown in figure 4. Light sources 6 and 8 that emit laser light; beam shaping devices 7 and 9 which are positioned on the laser light path and are used for shaping the laser into linear light spot beams; the linear spot beam is incident on a beam deflection device 23, and the beam deflection device 23 changes the exit angle of the linear spot beam, and exits from a light exit 24 to form a scanning surface on the treatment site. The light sources 6 and 8 are continuous semiconductor lasers, the central wavelength of the light source 6 is about 635nm, and the central wavelength of the light source 8 is about 470 nm. The light beam shaping device 7 is composed of a collimating lens 7-1, a collimating lens 7-2 and a Powell prism 7-3, the collimating lens 7-1 and the collimating lens 7-2 are cylindrical lenses, the two cylindrical lenses are perpendicular to each other and respectively compress divergence angles of a fast axis and a slow axis of the light source 6, a light beam emitted by the light source 6 is shaped into collimated light, and the Powell prism 7-3 shapes the collimated light into a linear light spot light beam with uniform light intensity distribution in the long axis direction. The light beam shaping device 9 is composed of a collimating lens 9-1, a collimating lens 9-2 and a Powell prism 9-3, the collimating lens 9-1 and the collimating lens 9-2 are cylindrical lenses, the two cylindrical lenses are perpendicular to each other and respectively compress divergence angles of a fast axis and a slow axis of the light source 8, a light beam of the light source 8 is shaped into collimated light, and the Powell prism 9-3 shapes the collimated light into a linear light spot light beam with uniform light intensity distribution in the long axis direction. The light beams emitted from the beam shaping devices 7 and 9 are combined by the beam combining device 22, the beam combining device 22 is a stepped prism beam combining device, the light beam emitted from the beam shaping device 7 is reflected by the reflecting surface 22-1, the light beam emitted from the beam shaping device 9 is reflected by the reflecting surface 22-2, and the beam combining device 22 can reduce the distance between the two light beams. The diffusion sheet 25 is provided on the light exit 24, and homogenizes the light intensity in the short axis direction of the light beam. A beam deflection device 23 is provided between the beam combining device 22 and the light exit 24, and the beam deflection device 23 is a galvanometer. The light sources 6 and 8 and the beam deflector 23 are controlled by circuitry (not shown) which controls the light sources 6 and 8 to emit light and the rotation of the beam deflector 23 so that the light beam is incident on the treatment area to form a continuous line of spots for scanning the treatment area.
In accordance with one or more embodiments, a scanning laser treatment apparatus is shown in figure 5. Light sources 6, 8, and 10 that emit laser light; a beam shaping device 27, located on the laser light path, for shaping the laser light into a linear spot beam; the linear spot beam is incident on a beam deflection unit 28, and the beam deflection unit 28 changes the angle of emergence of the linear spot beam and emits the linear spot beam from a light exit port 29 to form a scanning surface on the treatment site. The light sources 6, 8 and 10 are continuous semiconductor lasers, the central wavelength of the light source 6 is about 635nm, the central wavelength of the light source 8 is about 470nm, and the central wavelength of the light source 10 is about 830 nm. The beam shaping device 27 is composed of an optical waveguide 27-1, a collimating lens 27-2 and a cylindrical lens 27-3, the beam combining device 26 is a beam combining prism, the emitted beams of the light sources 6, 8 and 10 are coupled into the optical waveguide 27-1, the optical waveguide 27-1 homogenizes the light, the collimating lens 27-2 collimates the light, and the cylindrical lens 27-3 shapes the light into a linear light spot beam. Finally, the linear spot beam exits from the light exit 22. A beam deflection device 28 is provided between the beam shaping device 27 and the light exit 29, and the beam deflection device 28 is a one-dimensional MEMS galvanometer. The light sources 6, 8, 10 and the beam deflection device 28 are controlled by circuitry (not shown), the light sources 6, 8, 10 are controlled by the circuitry (not shown) to emit light, and the beam deflection device 28 is controlled to rotate so that the light beam is incident on the treatment site to form a continuous linear spot, thereby scanning the treatment site.
It is worth noting that while the foregoing has described the spirit and principles of the present invention with reference to several specific embodiments, it is to be understood that the present invention is not limited to the disclosed embodiments, nor is the division of aspects, which is for convenience only as the features in these aspects cannot be combined. The invention is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (12)
1. A scanning laser therapeutic apparatus, comprising:
a light source that emits laser light; the beam shaping device is positioned on the laser light path and is used for shaping the laser into a linear light spot beam; the linear light spot light beam is incident on the light beam deflection device, the light beam deflection device changes the emergence angle of the linear light spot light beam, the linear light spot light beam is emergent from the light outlet, and a scanning surface is formed on the treatment part.
2. A scanning laser therapeutic apparatus according to claim 1, wherein a beam combining device is disposed on the optical path of the laser light for combining the laser beams emitted from different light sources.
3. The scanning laser therapeutic apparatus according to claim 2, wherein the beam combining device is a wavelength beam combining device, a polarization beam combining device, a stepped prism beam combining device or a beam combining lens.
4. A scanning laser therapeutic apparatus according to claim 1, wherein the light source is a continuous semiconductor laser or a pulsed semiconductor laser, the wavelength is not less than 300nm, and the number is at least one.
5. The scanning laser treatment instrument according to claim 1, wherein the beam shaping device is composed of a collimating lens and a Powell prism.
6. The scanning laser treatment instrument according to claim 1, wherein said beam shaping device is comprised of an optical waveguide, a collimating lens and a cylindrical lens.
7. A scanning laser therapeutic apparatus according to claim 1, wherein a diffusion sheet is disposed at the light exit.
8. The scanning laser therapeutic apparatus according to claim 1, wherein the beam deflection device is a galvanometer, a rotating mirror or a one-dimensional MEMS galvanometer.
9. A scanning laser treatment instrument according to claim 4, characterized in that said contiguous semiconductor laser is controlled by circuitry, by means of which said contiguous semiconductor laser is controlled to emit light.
10. A scanning laser therapeutic apparatus according to claim 8, wherein the galvanometer, the rotating mirror or the one-dimensional MEMS galvanometer is controlled by a circuit system, and the beam deflecting device is controlled by the circuit system to rotate, so that the light beam is incident on the treatment site to form a continuous linear light spot.
11. A scanning laser treatment instrument according to claim 4, characterized in that the pulsed semiconductor laser is controlled by circuitry, by means of which the light emission and emission frequency of the pulsed semiconductor laser is controlled.
12. A scanning laser therapeutic apparatus according to claim 8, wherein the galvanometer, the rotating mirror or the one-dimensional MEMS galvanometer is controlled by a circuit system, and the rotation parameters of the beam deflection device are controlled by the circuit system, so that the edges of different linear light spots incident on the treatment site of the light beam are adjacent or partially overlapped to form continuous linear light spots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221036027.2U CN217886197U (en) | 2022-05-03 | 2022-05-03 | Scanning type laser therapeutic apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221036027.2U CN217886197U (en) | 2022-05-03 | 2022-05-03 | Scanning type laser therapeutic apparatus |
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| Publication Number | Publication Date |
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| CN217886197U true CN217886197U (en) | 2022-11-25 |
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| CN202221036027.2U Active CN217886197U (en) | 2022-05-03 | 2022-05-03 | Scanning type laser therapeutic apparatus |
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2022
- 2022-05-03 CN CN202221036027.2U patent/CN217886197U/en active Active
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Effective date of registration: 20240122 Address after: Floor 1, no.258, Pingyang Road, Minhang District, Shanghai, 201100 Patentee after: Shanghai Jiwei Technology Co.,Ltd. Country or region after: China Address before: 201700 41-402, mengdanyuan, Lane 958, Qinghu Road, Xiayang street, Qingpu District, Shanghai Patentee before: Wang Huan Country or region before: China |
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