TW201635973A - Skin quality inspection probe and apparatus thereof - Google Patents

Abstract

A skin quality inspection probe, which is utilized for receiving an inspection light and inspecting a to-be-tested portion, comprises a case, a reflective lens, a biaxial scanning mirror set and an objective lens. The case comprises an accommodation space, an opening and a hole. The inspection light is incident to the accommodation space of the case. The reflective lens arranged in the accommodation space of the case is utilized to receive and reflect the inspection light. The biaxial scanning mirror set arranged in the accommodation space of the case is utilized to receive the inspection light reflected from the reflective lens and is controlled to adjust the propagation direction of the inspection light. The objective lens, which is arranged in the hole of the case and connected to the case, is utilized to receive the inspection light emitted from the biaxial scanning mirror set and to converge the passing inspection light to irradiate on the to-be-tested portion. The skin quality inspection probe and a skin quality inspection probe apparatus are utilized for inspecting the to-be-tested portion.

Description

Skin quality detecting probe and device thereof

The invention relates to a skin quality detecting probe and a device thereof, in particular to a skin quality detecting device with high resolution and capable of detecting skin microstructural changes in an instant and quickly.

The current skin texture detecting device uses ultrasonic waves to observe changes in skin microstructure. When using ultrasonic waves, it is necessary to apply a layer of interface glue on the skin of the patient, and then use the ultrasonic probe to accurately press the skin to be tested to detect the skin condition. However, after the ultrasonic probe is separated from the site to be tested, the skin condition cannot be detected, and the rapid detection cannot be performed. If repeated detection is required, the operation must be repeated, which causes inconvenience in detection. Because of the need to apply a layer of interface glue on the patient's skin, the patient needs to wipe the interface glue after the test, which also causes inconvenience to the patient. Moreover, the lack of ultrasonic resolution is difficult to detect subtle changes in the skin, while the ultrasound can only visualize two-dimensional images, and cannot provide three-dimensional images to detect information such as skin microvascular venation and polarization characteristics.

Accordingly, it is an object of the present invention to provide a skin texture detecting device which is high in resolution and which can quickly and quickly detect changes in skin microstructure.

Accordingly, it is another object of the present invention to provide a skin texture detecting device which can provide a three-dimensional skin microstructure change.

Therefore, the skin detecting probe of the present invention receives a detecting light and is used for detecting a portion to be tested, and the skin detecting probe comprises a casing, a light collimator, a mirror, a biaxial scanning mirror group, and An objective lens. The housing includes an accommodating space, an opening, and a hole, and the detecting light is incident into the accommodating space. The light collimator is disposed in the accommodating space, and the light collimator is used for collimating the detecting light. The mirror is disposed in the accommodating space, and the mirror receives the detection light output by the optical collimator and reflects the detection light. The biaxial scanning mirror is disposed in the accommodating space, receives the detecting light reflected by the mirror and controls the traveling direction of the detecting light. The objective lens is disposed in the hole and connected to the housing, receives the detection light emitted by the biaxial scanning mirror group, and converges the passing detection light to cause the detection light to illuminate the portion to be tested.

More preferably, the housing further includes a first housing member and a second housing member removably engageable with the first housing member.

More preferably, the first cover member has a body and a card hole extending from a side of the body, and the skin detecting probe further includes a grip portion, the grip portion includes a grip body, and the A snap plate that grips one side of the body and engages the card hole and a grip on the other side of the handle body.

More preferably, the first cover member further has two slots on both sides of the hole, and the housing further includes an objective frame covering the objective lens, the objective frame has two frames spaced apart from each other, and a plurality of The frame connecting the frame and the two fastening strips located at the upper end of the frame and engaging with the card groove.

More preferably, the objective frame also has a plurality of spacers extending from the ends of the frames toward the opposite sides of the fastener strips.

More preferably, it also includes a mounting for the grip to detachably engage thereon.

More preferably, the dual-axis scanning mirror group has a first scanning mirror for controlling the X-axis scanning direction of the detection light in the range of the portion to be tested, and a method for controlling the detection light to be tested. The second scanning mirror in the Y-axis scanning direction in the range in which the portion is framed.

Therefore, the skin detecting device of the present invention is suitable for detecting a portion to be tested, the skin detecting device comprising a light source emitting a first light beam, a light splitting device receiving the first light beam of the light source, and receiving the detecting light And a skin detecting probe that reflects the skin structure information of the portion to be tested, and a detecting device that respectively receives the reference light emitted by the light separating device and the detecting light emitted by the skin detecting probe. The light splitting device divides the first light beam into a reference light and the detection light, and respectively couples the reference light and the detection light into a second light beam, the light splitting device includes a reference arm, and the reference arm receives the reference light and Reflecting the reference light. The detecting device receives the second light beam and converts the second light beam into an electronic signal with a skin structure message of the portion to be tested.

More preferably, the spectroscopic device further includes a first optical coupler, a second optical coupler, a first optical circulator and a second optical circulator, and the first optical coupler divides the first optical beam into The reference light and the detection light are transmitted to the reference arm via the first circulator and then reflected back to the first circulator, and the detection light is transmitted to the part to be tested via the second circulator. Returning to the second circulator, the second optical coupler receives the reference light and the detection light into the second light beam by the first optical circulator and the second optical circulator.

More preferably, the reference arm has a compensator and a mirror, the compensator is a dispersion compensator for compensating for the dispersion value generated by the objective lens, and the mirror is configured to reflect the reference optical path to make the optical path of the reference light Phase delay.

More preferably, the photodetector is a microwave phase detector.

The effect of the present invention is that the skin detecting probe of the present invention is used to control the range of the detection light at the portion to be tested by the dual-axis scanning mirror group, and is capable of receiving high-resolution micro-ranges within a depth of three centimeters of the skin. Structure and microvascular images. And the three-dimensional skin microstructure change can be provided by the spectroscopic device of the skin type detecting device.

100‧‧‧ Skin quality testing device

315‧‧‧ Ontology

1‧‧‧Light source

316‧‧‧ hole

11‧‧‧First beam

317‧‧‧Kakong

12‧‧‧second beam

318‧‧‧ card ditch

2‧‧‧Splitting device

319‧‧‧Opening

21‧‧‧Reference light

32‧‧‧object frame

22‧‧‧Detection light

321‧‧‧Frame

23‧‧‧ reference arm

322‧‧‧Connecting frame

231‧‧‧Compensator

323‧‧‧Card

232‧‧‧Mirror

324‧‧‧ spacer

24A‧‧‧First Optocoupler

33‧‧‧Light collimator

24B‧‧‧Second Optocoupler

34‧‧‧Mirror

25A‧‧‧First optical circulator

35‧‧‧Double-axis scanning mirror

25B‧‧‧Second optical circulator

351‧‧‧ first scanning mirror

3‧‧‧ Skin test probe

352‧‧‧Second scanning mirror

31‧‧‧Shell

36‧‧‧ Objective lens

311‧‧‧ first shell

37‧‧‧ grips

312‧‧‧Second shell

371‧‧‧ Holding the body

313‧‧‧ accommodating space

372‧‧‧Snap plate

314‧‧‧Card Group

373‧‧‧ Grip

314A‧‧ ‧ stud

38‧‧‧ Fixed seat

314B‧‧‧Deep

4‧‧‧Detection device

41‧‧‧Electronic signal

9‧‧‧The part to be tested

42‧‧‧Microwave phase detector

Other features and advantages of the present invention will be apparent from the embodiments of the present invention, wherein: Figure 1 is a system diagram illustrating one embodiment of the skin detecting device of the present invention; and Figure 2 is a simplified system BRIEF DESCRIPTION OF THE DRAWINGS FIG. 3 is an exploded perspective view showing an embodiment of a skin detecting probe of the present invention; and FIG. 4 is a perspective assembled view showing an embodiment of the skin detecting probe; Figure 5 is a partial exploded view showing an embodiment of the skin texture detecting probe; Figure 6 is a partially exploded perspective view showing the embodiment of the skin texture detecting probe; and Figure 7 is a perspective view showing the skin texture detecting Another embodiment of the probe.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to FIG. 1 and FIG. 2, an embodiment of the skin detecting device 100 of the present invention is suitable for detecting a part to be tested 9 of a human body. The skin detecting device 100 comprises a light source 1, a beam splitting device 2, and a skin texture detecting device. The probe 3 and a detecting device 4.

The light source 1 emits a first light beam 11 which is a laser light having a laser scanning wavelength of 1310 nm. The wavelength band is near-infrared light, but not limited thereto, and may be other light sources or other. The source of the band.

The spectroscopic device 2 is an optical coherence tomography (Swept Source Optical Coherence Tomography), and receives the first light beam 11 of the light source 1. The light splitting device 2 divides the first light beam 11 into a reference light 21 and a detection light 22 The spectroscopic device 2 includes a reference arm 23 at an opposite end of the skin detecting probe 3, a first optical coupler 24A, a second optical coupler 24B, a first optical circulator 25A and a second optical circulator. 25B, the reference arm 23 receives the reference light 21 and then reflects the reference light 21 for Delay the reference light 21 light path. The reference arm 23 has a mirror 231 and a compensator 232. The compensator 232 is a dispersion compensator for compensating the dispersion value generated by the objective lens 36. The mirror 231 is configured to reflect the reference light 21 to make reference light. The optical path of 21 is delayed in phase and can match the phase of the detection light 22. The first coupler 24A divides the first light beam 11 into the reference light 21 and the detection light 22, and the reference light 21 is transmitted to the reference arm 23 via the first circulator 24A and then reflected back to the first circulator 24A. The detection light 22 is transmitted to the portion to be tested 9 via the second circulator 24B and then transmitted back to the second circulator 24B. The second coupler 24B receives the first optical circulator 25A and the second The optical circulator 25B couples the reference light 21 and the detection light 22 into the second light beam 12. In this embodiment, the spectroscopic device 2 is a Mach-Zehnder Interferometer, but not limited thereto, other devices having optical coherence interference techniques, such as a Michelson Interferometer, may be used. )Wait. The image results obtained by optical coherence tomography scanning are similar to pathological sections and are therefore referred to as optical pathological sections. Compared to ultrasonic technology, optical coherence tomography can increase image resolution by tens of times, and its resolution depends on the spectral width and wavelength of the laser source used. In this embodiment, the skin detecting device 100 of the present invention can measure the longitudinal and lateral resolutions in the biological tissue to be 5 micrometers respectively, and the scanning speed can reach 100 image outputs per second, and the maximum scanning range can reach 1 square centimeter each time. .

Referring to FIGS. 3-6, the skin detecting probe 3 includes a housing 31, a light collimator 33, a mirror 34, a dual-axis scanning mirror assembly 35, an objective lens 36, and a grip portion 37.

The housing 31 has a first housing member 311, a second housing member 312 removably coupled to the first housing member 311, and a first housing member 311 and the second housing member 312. The accommodating space 313, an objective lens frame 32 covering the objective lens 36, and a plurality of engaging groups 314 for connecting the first housing member 311 and the second housing member 312.

The first shell member 311 has a body 315, a hole 316 at a bottom end of the body 315, a card hole 317 extending from a side of the body 315, and two card grooves 318 located at two sides of the hole 316.

The second shell member 312 has an opening 319 disposed opposite the bore 316.

Each of the engaging groups 314 has a stud 314A disposed on one of the first shell member 311 and the second shell member 312, and a first shell member 311 and the second shell member 312 disposed on the first shell member 311 and the second shell member 312. The protrusion 314B disposed on the first case member 311 can be corresponding to the corresponding hole 314B (not shown) disposed on the second case member 312. The first shell member 311 is coupled to the second shell member 312. However, according to different needs, the engaging group 314 can also be implemented by different types of structures such as a hook and a card slot, and is not limited to the above content.

The objective lens frame 32 has two frames 321 spaced apart from each other, a plurality of connecting frames 322 connected to the frames 321 , two fastening strips 323 located at the upper end of the frame 321 and engaged with the card grooves 318 , and a plurality of A spacer 324 extending from the end of the frame 321 to the opposite direction of the fastening strips 323 serves to maintain the relative distance between the objective lens 36 and the portion 9 to be tested. The housing 31 can also omit the design of the objective lens frame 32 according to actual needs. It is not limited to the specific implementation.

The light collimator 33 is disposed in the accommodating space 313 and partially protruded from the opening 319. The light collimator 33 is used for collimating the detecting light 22.

The mirror 34 is disposed in the accommodating space 313. The mirror 34 receives the detection light 22 outputted by the light collimator 33 and reflects the detection light. In the present embodiment, the mirror 34 uses a mirror of THORLABS Model MRA25-P01. The mirror 34 can select an appropriate mirror 34 according to actual needs, and is not limited to this embodiment.

The biaxial scanning mirror group 35 is disposed in the accommodating space 313. The biaxial scanning mirror group 35 receives the detection light 22 reflected by the mirror 34 and converges the passing detection light 22 to allow the detecting light to be condensed. 22 is irradiated to the portion 9 to be tested. The dual-axis scanning mirror group 35 has a first scanning mirror 351 for controlling the X-axis scanning direction of the detection light 22 in the range of the portion to be tested, and a control lens 22 for controlling the detection light 22 The second scanning mirror 352 in the Y-axis scanning direction in the range in which the measuring portion 9 is arranged, so that the skin detecting probe 3 can be used by the first scanning mirror 351 and the second scanning mirror in a state where the body does not move. The 352 controls the detection light 22 to perform beam scanning in a specific range of the portion 9 to be tested, which is advantageous for the detection of the skin quality.

The objective lens 36 is disposed in the hole 316 and partially disposed in the accommodating space 313. The objective lens 36 receives the detection light 22 emitted by the biaxial scanning mirror group 35 and converges the detected light 22 passing therethrough. The detection light 22 is incident on the portion 9 to be tested. In the present embodiment, the objective lens 36 uses a tenfold objective lens having a focal length of 18 mm from THORLABS Model LSM02. The objective lens 36 can select the objective lens 36 of a suitable focal length according to actual needs, and is not limited to the embodiment. And the portion to be tested 9 is placed on the focal plane of the objective lens 36 so that the height of the spacer 324 is changed in accordance with the focal length of the different objective lens 36. In the present embodiment, the range of the portion 9 to be tested of the skin detecting device 100 of the present invention is 2.5×2.5×3 mm ³ , which is composed of 1000×500×600 three-dimensional pixels, and the scanning rate of the dual-axis scanning mirror group 35 is 100 kHz. The skin texture detecting device 100 can achieve a frame rate of 100 frames/s, and the skin detecting probe 3 can reconstruct microstructures and microvascular images within a depth of three centimeters of the skin.

The grip portion 37 is configured to perform the operation of the skin texture detecting probe 3 by a hand. The grip body 37 has a grip body 371 and a snap plate on a side of the grip body 371 and engaged with the card hole 317. 372, and a grip 373 on the other side of the holding body 371.

The detecting device 4 receives the second light beam 12 and converts the second light beam 12 into an electronic signal 41 with a skin structure message of the portion 9 to be tested. In this embodiment, the detecting device 4 is a microwave phase detector, but not limited thereto, and may be other detecting devices 4.

Referring to FIG. 1, FIG. 2 and FIG. 5, when the image of the portion to be tested 9 is to be obtained, the objective frame 32 is placed around the portion 9 to be tested, and the spacer 324 is brought into contact with the skin, so that the image can be borrowed. The spacer 324 of the objective lens frame 32 maintains the objective lens 36 at a fixed separation distance from the portion to be tested 9 to ensure that the objective lens 36 can exert optimum optical characteristics. Subsequently, the first light beam 11 emitted by the light source 1 divides the first light beam 11 into two optical paths of the reference light 21 and the detection light 22 via the first coupler 24A. The reference light 21 passes through the compensator 231 via the first circulator 25A and passes through the mirror 232 via the mirror 232. After reflection, it is reflected back to the first circulator 25A through the compensator 231. The detection light 22 enters the light collimator 33 via the second circulator 25B to convert the divergent light beam into a parallel light beam, and the parallel light beam emitted from the light collimator 33 is converted into a parallel direction by the mirror 34, and then enters. The two-axis scanning mirror group 35 is configured to control the change of the scanning direction of the X-axis scanning direction by the first scanning mirror 351 and the second scanning mirror 352 in the range of the frame to be tested, and then enter the objective lens 36, and The passing detection light 22 is concentrated, and the detection light 22 is irradiated to the portion 9 to be tested. After the detection light 22 is irradiated on the portion to be tested 9 and reflected, it is transmitted back to the objective lens 36, the biaxial scanning mirror group 35, the mirror 34, the optical collimator 33, and the second through the same optical path as described above. a circulator 25B, the second optical coupler 24B receives the reference light 21 and the detection light 22 by the first optical circulator 25A and the second optical circulator 25B into the second light beam 12, the second The light beam 12 enters the detecting device 4, and converts the second light beam 12 into an electronic signal 41 with a skin structure message of the portion to be tested, for signal encoding and image recording by a computer device (not shown) at the back end. Synthesis and other processing procedures.

It is worth mentioning that, in order to facilitate the replacement of the objective lens 36, no fasteners such as screws are used between the first shell member 311 and the second shell member 312, and only the studs 314A on the first and second shell members 311 and 312 are The cavity 314B engages the housing 31. When the objective lens 36 needs to be replaced, the first case member 311 and the second case member 312 are separated first, the objective lens frame 32 is separated from the first case member 311 along the card groove 318, and the objective lens 36 is removed from the case 31. The assembly method is the same as the foregoing steps, and will not be described here.

Furthermore, referring to Fig. 7, the skin texture detecting probe 3 is borrowed in addition to the foregoing. In another embodiment of the present invention, the skin detecting probe and the device thereof further comprise a fixing base 38 for the grip 373. Separately snapping onto it allows easy attachment of the skin test probe to the microscope.

In summary, the skin detecting probe 3 of the present invention is used to control the range of the detection light at the portion to be tested 9 by the dual-axis scanning mirror group 35, so as to receive high resolution within a depth of three centimeters of the skin. Microstructure and microvascular images. And by the spectroscopic device 2 of the skin type detecting device 100, it is possible to provide a three-dimensional skin microstructure change. Therefore, it is indeed possible to achieve the object of the present invention.

However, the above is only the embodiment of the present invention, and the scope of the present invention is not limited thereto, that is, the simple equivalent changes and modifications made by the patent application scope and the patent specification of the present invention are still It is within the scope of the patent of the present invention.

100‧‧‧ Skin quality testing device

22‧‧‧Detection light

1‧‧‧Light source

23‧‧‧ reference arm

11‧‧‧First beam

3‧‧‧ Skin test probe

12‧‧‧second beam

4‧‧‧Detection device

2‧‧‧Splitting device

41‧‧‧Electronic signal

21‧‧‧Reference light

9‧‧‧The part to be tested

Claims (11)

A skin quality detecting probe receives a detecting light and is used for detecting a portion to be tested. The skin detecting probe comprises: a housing comprising an accommodating space, an opening and a hole, wherein the detecting light is opened by the opening The light collimator is disposed in the accommodating space, the light collimator is used for collimating the detecting light, and a mirror is disposed in the accommodating space, the mirror receiving The light collimator outputs the detection light and reflects the detection light; a dual-axis scanning mirror group is disposed in the accommodating space, receives the detection light reflected by the mirror and controls to adjust the traveling of the detection light And an objective lens disposed at the hole and connected to the housing, receiving the detection light emitted by the biaxial scanning mirror group and concentrating the passing detection light, and allowing the detection light to be irradiated to the to-be-tested Part. The skin texture detecting probe of claim 1, wherein the housing further comprises a first housing member and a second housing member removably engaged with the first housing member. The skin quality detecting probe of claim 2, wherein the first shell member has a body and a card hole extending from a side of the body, and the skin detecting probe further comprises a grip portion, the grip The portion includes a grip body, a snap plate on one side of the grip body and engaged with the card hole, and a grip bar on the other side of the grip body. The skin quality detecting probe according to claim 2, wherein the first shell member further Having two card grooves on both sides of the hole, and the housing further includes an objective lens frame covering the objective lens, the object frame frame has two frames spaced apart from each other, a plurality of connecting frames connected to the frames, and two a fastening strip at the upper end of the frame that engages with the card groove. The skin texture detecting probe according to claim 4, wherein the objective lens frame further has a plurality of spacers extending from the end portions of the frames toward the opposite sides of the fastening strips. The skin texture detecting probe according to claim 3, further comprising a fixing seat for the grip bar to be detachably engaged thereon. The skin quality detecting probe according to claim 1, wherein the dual-axis scanning mirror group has a first scanning mirror for controlling an X-axis scanning direction of the detection light in a range of the portion to be tested, and a a second scanning mirror for controlling the Y-axis scanning direction in the range in which the detection light is framed in the portion to be tested. A skin quality detecting device is adapted to detect a portion to be tested, the skin detecting device comprising: a light source to emit a first light beam; a light splitting device to receive a first light beam of the light source, the light splitting device to the first light beam Dividing into a reference light and the detection light, and respectively coupling the reference light and the detection light into a second light beam, the light splitting device comprises a reference arm, the reference arm receives the reference light and reflects the reference light; The skin quality detecting probe according to any one of claims 1 to 7, which receives the detection light and reflects a skin structure message with the portion to be tested; A detecting device receives the second light beam and converts the second light beam into an electronic signal with a skin structure message of the portion to be tested. The skin texture detecting device of claim 8, wherein the light splitting device further comprises a first optical coupler, a second optical coupler, a first optical circulator and a second optical circulator, the first The optical coupler divides the first light beam into the reference light and the detection light, and the reference light is transmitted to the reference arm via the first circulator and is reflected back to the first circulator, and the detection light passes through the second circulator Passing to the portion to be tested and then transmitting back to the second circulator, the second optical coupler receiving the reference light and the detecting light to be coupled to the first optical circulator and the second optical circulator Two beams. The skin texture detecting device of claim 8, wherein the reference arm has a compensator and a mirror, and the compensator is a dispersion compensator for compensating for a dispersion value generated by the objective lens, the mirror is for reflecting Referring to the optical path, the optical path of the reference light is phase-delayed. The skin texture detecting device of claim 8, wherein the photodetector is a microwave phase detector.