CN204694910U - A kind of dermoscopy 50X polarization optics camera lens - Google Patents
A kind of dermoscopy 50X polarization optics camera lens Download PDFInfo
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- CN204694910U CN204694910U CN201520233271.1U CN201520233271U CN204694910U CN 204694910 U CN204694910 U CN 204694910U CN 201520233271 U CN201520233271 U CN 201520233271U CN 204694910 U CN204694910 U CN 204694910U
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Abstract
The utility model discloses a kind of dermoscopy 50X polarization optics camera lens, it comprises polarizer slice (1), LED group (2), analyzer (3), lens group (4), camera lens base (5) and mirror head outer shell (6).Wherein polarizer slice (1) and LED group (2) composition polarized light source group, analyzer (3) is one group of adjustable polarising means.Three eyeglasses that lens group (4) is arranged along incident ray transmission direction, wherein three eyeglasses form two groups of lens, and three eyeglasses all have difformity, are reached the optical characteristics of reservation by special combination.Dermoscopy polarization optics camera lens one-piece construction of the present utility model closely, there is flexible detachability, be convenient for changing maintenance parts, by regulating polarising means, can filtering skin surface cuticula reflected light very well, observe the underlying tissue structure of below keratoderma, obtain skin histology image clearly.
Description
Technical field
The utility model relates to a kind of dermoscopy 50X polarization optics camera lens, particularly relates to a kind of with adjustable polarising means, the dermoscopy 50X polarization optics camera lens being applied to the detection of skin disease auxiliary diagnosis.
Background technology
Dermoscopy Digital image analysis technique is the non-invasive disease of skin diagnostic tool of one grown up in recent years, for the skin histology internal mechanism that partial skin disease is invisible to the naked eye and pathology fast, accurately being detected.Dermoscopy can distinguish pigment or non-pigmented skin damages, which skin damages suspicious needs and does pathological biopsy, or the suspicious points of damaging compared with great Pi is positioned, ensure that the accuracy at excision position, the larger recurrence rate reducing resection rate and the disease of blindly performing the operation, reduces mortality ratio, significant clinically, can be used as the screening of many diseases clinically and the effective tool of diagnosis, Expert Resources is extended, effectively solve skin disease difficult and complicated cases.
Present stage, dermoscopy, in process of clinical application, needs to coordinate infiltrate to use, could obtain the clear picture of skin texture, but infiltrate directly contacts cutaneous lesion, easily increase the probability of the responsive cutaneous lesion infection risks such as mouth, eye and nose.And on market, most of dermoscopy key building block optical lens, non-dismountable, cause product repairing to process inconvenience, increase production cost.
Dermoscopy 50X polarization optics camera lens of the present utility model, there is flexible detachability, convenient for maintaining is processed, there is adjustable polarising means, by polarized light, be irradiated to skin and damage surface, making skin damage target pigmentosa skin damage image is polarization state, what adjust checking bias slice reaches optimal polarization angle, reduce the light disturbance of target image, make under the condition not using infiltrate, the pigmentosa skin of target damages, sulci of skin, cutaneous ridge, skin mound or pigment image, limpid in sight visible, the application of dermoscopy polarization optics camera lens, make doctor in checking process, easy to operate, generally obtain the favor of doctor, market sales volume is also increasing.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of detachable, dermoscopy 50X polarization optics camera lens with polarization function, not only be convenient to assembling and maintenance parts, and there is polarization function, by regulating the angle of polarization, reduce skin reflex light, with realize the skin of living body following microtexture in surface and pigment clear picture visible, raising skin disease diagnosis efficiency and accuracy rate.Solving tradition adopts infusion method detection skin to damage the infection problems occurred.
For solving the problems of the technologies described above, the utility model embodiment provides a kind of its concrete structure of dermoscopy 50X polarization optics camera lens as shown in Figure 1, comprising:
Polarizer slice, changes the polarization state of incident light, ensures that the light that described LED group sends is irradiated on skin by polarizer slice, cannot not enter system by the light of polarizer slice and be irradiated on skin;
LED group, provides luminous energy;
Analyzer, ensure to enter lens group from the light of skin reflex or scattering through analyzer, the light without analyzer cannot enter lens group;
Lens group, collects skin part reflected light, and is focused on;
Camera lens base, is connected and supports LED group, fixing elastic conducting electric pole group and analyzer effect.
Mirror head outer shell, fixed lens base and lens group, protect and flexible connection effect.
Before described polarizer slice is positioned at described LED group, before described analyzer is positioned at described lens group.
Preferably, described LED group, comprising:
Be made up of the pcb board of white LED lamp pearl and fixed light pearl, by USB power source for 5V voltage, and take measures to reduce stresses to make 5V voltage conforms LED luminous voltage 3.2v-3.6v.The brightness of lamp pearl is high, and volume is little, colours white, and brightness 4lm, has detachability, is convenient for changing lamp pearl.
Preferably, described analyzer, be one group of adjustable polarising means, its concrete structure as shown in Figure 3.Comprise:
Checking bias slice, for filtering reflected light; Checking bias slice is coaxial with lens group, and checking bias slice diameter is greater than the Entry pupil diameters of lens group optical lens.
Regulator, for adjusting the direction of checking bias slice from parallel with polarizer slice direction to vertical with polarizer slice direction; The range of adjustment of regulator is 0-90 degree.
Index dial, for reading the angle in checking bias slice and polarizer slice direction.
Preferably, described lens group, its concrete structure as shown in Figure 5, comprising:
Be made up of with the lens combination of lens barrel concentric with being arranged in lens barrel lens barrel, lens combination comprises two group of three eyeglass, and high-quality optical glass selected by eyeglass.The first wherein said eyeglass and the second eyeglass are one group of cemented doublet, and gummed mirror selects the combination of high dispersion and low dispersion to reduce aberration.
First lens index is 1.4-1.6; Second lens index, 1.5-1.7; 3rd lens index 1.4-1.6;
Two arrangement of mirrors sheets, one group is the positive lens glued together by two eyeglasses, and one group is the negative meniscus of single eyeglass.
Preferably, described camera lens base, its concrete structure as shown in Figure 6, comprising:
2 conducting rod groups, conducting rod group is detachable flexibly, and play electric action, conducting rod group and LED group power contact adopt point contact type, and conducting rod group adopts elastic mechanism, and the connecting link of electrode contacts can stretch up and down, with contact Elastic Contact.
Preferably, described mirror head outer shell comprises:
Plastics front shroud and lens group shell, mirror head outer shell selects conventional ABS material.ABS material has excellent wearing quality, dimensional stability, chemical resistance, dyeability; Be easy to machine-shaping, realize batch production.
Camera lens front shroud front end, replaceable accessory, fixing skin packing ring.Skin packing ring is loop configuration, and damage tissue for contacting skin, be medical disposable material, avoid cross-infection, its material is polymethylmethacrylate (PMMA) or optical glass.
The utility model provides a kind of dermoscopy 50X polarization optics camera lens, and this camera lens is furnished with light source, has detachability, and is incorporated into by polarization technology in dermoscopy optical system, by simple operations or adjustment, just can collect cutaneous lesions image clearly.The beneficial effects of the utility model are, there is detachability, convenient production is installed and component maintenance, and also adopt polarization optics camera lens to observe skin texture, reduce the risk that traditional infusion method easily causes cutaneous lesions part to infect, can clearly view cutaneous lesions situation, improve and observe the dermopathic accuracy rate of diagnosis.
the explanation of utility model accompanying drawing
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
The structural representation of a kind of dermoscopy 50X polarization optics camera lens that Fig. 1 provides for the utility model embodiment one.
The polarisation LED light source group structural blast figure that Fig. 2 provides for the utility model embodiment one.
The structural representation of the analyzer that Fig. 3 provides for the utility model embodiment one.
The structure cut-open view of the 50X lens group that Fig. 4 provides for the utility model embodiment two.
The 50X lens group optical line figure that Fig. 5 the utility model embodiment two provides.
The camera lens base structural blast figure that Fig. 6 provides for the utility model embodiment two.
utility model embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, hereinafter with reference to the accompanying drawing in the utility model embodiment, clearly and completely the technical solution of the utility model is described by embodiment, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.It also should be noted that, for convenience of description, illustrate only the part relevant to the utility model in accompanying drawing but not entire infrastructure.
Embodiment one
The structural representation of the dermoscopy polarization optics camera lens that Fig. 1 provides for the utility model embodiment one.The utility model by increasing by one group of adjustable polarising means before its optical lens, and to realize dermoscopy polarization optics camera lens with light source and have can the property dismantled flexibly, use polarization technology, realize the object got a distinct image, concrete structure is shown in Fig. 1, comprising:
Polarizer slice 1, changes the polarization state of incident light, ensures that the light that described LED group 2 sends is irradiated on skin by polarizer slice 1, cannot not enter system by the light of polarizer slice 1 and be irradiated on skin;
LED group 2, for device provides luminous energy;
Analyzer 3, ensure to enter lens group 4 from the light of skin reflex or scattering through analyzer 3, the light without analyzer 3 cannot enter lens group 4;
Lens group 4, collects object reflects light, is focused on skin lens image collector
Camera lens base 5, is connected and supports LED group 2, and fixing elastic conducting electric pole group 23 and analyzer 3 act on.
Mirror head outer shell 6, protects and connects optical lens each several part and set up, form a compact entirety.
Before described polarizer slice 1 is positioned at described LED group 2, before described analyzer 3 is positioned at lens group 4, described lens group 4 and analyzer 3 can be arranged on camera lens base 5 with thread forms, and mirror head outer shell 6 comprises the shell of camera lens front shroud and camera lens base.
Fig. 2 is the polarisation LED light source group structural blast figure that the utility model embodiment one selects polarizer slice 1 and LED group 2 composition.LED polarizing light source is on pcb board, two groups of LED annular arrays inside and outside paster, and outer group is 15 lamp pearls, and interior group is 8 lamp pearls, and lamp pearl emission angle is 120 degree, and polarizer slice 1 is installed in LED array front.
The utility model adds one group of polarising means that can regulate on original dermoscopy optical camera lens device, the analyzer 3 namely in Fig. 1.Its concrete structure as shown in Figure 3, comprises checking bias slice 11, for filtering reflected light; Regulator 12, for adjusting the direction of checking bias slice 11 from parallel with polarizer slice 1 direction to vertical with polarizer slice 1 direction; Index dial 13, for reading the angle of checking bias slice 11 and polarizer slice 1 direction.
Further, described analyzer 3 and lens group 4 coaxial, and analyzer 3 diameter is greater than the Entry pupil diameters of lens group 4 optical lens, thus ensure to enter lens group 4 from the light of skin reflex or scattering through checking bias slice 11, the light without checking bias slice 11 cannot enter lens group 4.
Further, the incident light sent due to LED light group 2 is nature visible ray, and the direction of vibration of its light wave vector, perpendicular to the direction of propagation of light, has axial symmetry, it can only be utilized to observe skin surface pattern, cannot observe the feature of deep tissues.
In view of this, the described polarizer slice 1 of said apparatus can be utilized, incident light is become linearly polarized light, the light of direct reflection keeps original polarization direction, utilize described checking bias slice 11 that direct reflected light is filtered out, thus the organizational structure that can observe under skin, which provides the visuality that deep layer skin damages.
Preferably, described polarizer slice 1 adopts linear polarizer with checking bias slice 11.Checking bias slice 11 adopts without significant difference in circular polarization or ellipsoidal polarizing plate and employing linear polarizer effect, but adopts the system complexity of linear polarizer and cost all can be much lower, and therefore polarizer slice 1 and checking bias slice 11 all adopt linear polarizer.By regulating regulator 12, regulating polarization 90 angle, making checking bias slice 11 vertical with polarizer slice 1 polarization direction, obtain better polarization effect, realize the function that polarization technology gathers skin image.
The technical scheme of the present embodiment, by adding one group of adjustable polarising means on original dermoscopy optical camera lens device basis, and makes dermoscopy optical lens have detachability.Solve the problem in infusion method clinical practice in prior art, facilitate the maintenance and fabrication of instrument, save production cost.
Embodiment two
The utility model embodiment provides a kind of lens group of above-mentioned dermoscopy 50X polarization optics camera lens.
Fig. 4 is that the utility model embodiment two selects lens set structure cut-open view.Below in conjunction with accompanying drawing and embodiment, lens group of the present utility model is described in further detail:
Dermoscopy 50X polarization optics lens group, be made up of with the lens combination of lens barrel concentric with being arranged in lens barrel lens barrel 18, lens combination comprises two group of three eyeglass.
Described two group of three eyeglass, from the object side to the image side common optical axis straight line is provided with successively the first eyeglass 15, second eyeglass 16 and the 3rd eyeglass 19, and wherein the first eyeglass 15 and the second eyeglass 16 are one group of balsaming lens.
Lens group forms primarily of two groups of lens, and two groups of lens arrangements are compact, cooperatively interact, and field angle is 10 degree, can reduce spherical aberration and aberration preferably, ensure that image quality.
As preferably embodiment, one group, two groups of lens are the lens be made up of two eyeglasses is positive lens, the negative lens that another group is single eyeglass falcate, and positive lens front surface center is convex in object space, and rear surface is convex surface and convex in image space; Negative lens front surface is that convex surface is convex in object space, and rear surface is that concave surface is recessed to image space.
Polarized light is through the index path of lens group as described in accompanying drawing 5, and send gummed positive lens and the 3rd eyeglass 19 negative meniscus that incident ray transmission direction forms respectively through the first eyeglass 15 and the second eyeglass 16, refocusing becomes picture rich in detail.
Described two group of three eyeglass, selects high-quality optical glass, rationally effectively matches lens materials, and the first lens index is 1.516; Second index of refraction in lens 1.613; 3rd index of refraction in lens 1.569;
Lift the actual design case of a lens group optical system below:
Described lens group is by thread barrel 22, and active link is on camera lens base, and camera lens base structural blast figure as shown in Figure 6.Conducting rod group 23 on camera lens base, by conduction and elastic reaction, for LED group provides power supply, and then can provide light source for whole device.
Note, above are only preferred embodiment of the present utility model and institute's application technology principle.Skilled person in the art will appreciate that the utility model is not limited to specific embodiment here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and protection domain of the present utility model can not be departed from.Therefore, although be described in further detail the utility model by above embodiment, but the utility model is not limited only to above embodiment, when not departing from the utility model design, can also comprise other Equivalent embodiments more, and scope of the present utility model is determined by appended right.
Claims (1)
1. a dermoscopy 50X polarization optics camera lens, it comprises polarizer slice (1), LED group (2), analyzer (3), lens group (4), camera lens base (5) and mirror head outer shell (6), it is characterized in that, described polarizer slice (1), change the polarization state of incident light, ensure that the light that described LED group (2) sends is irradiated on skin by polarizer slice (1), cannot not enter system by the light of polarizer slice (1) and be irradiated on skin; Analyzer (3), ensure to enter lens group (4) from the light of skin reflex or scattering through analyzer (3), the light without analyzer (3) cannot enter lens group (4); Lens group (4), collects skin part reflected light, and is focused on; Camera lens base (5), is connected and supports LED group (2), fixing elastic conducting electric pole group (23) and analyzer (3) effect; Mirror head outer shell (6), fixed lens base (5) and lens group (4), protection also active link effect;
It is front that described polarizer slice (1) is positioned at described LED group (2), and it is front that described analyzer (3) is positioned at described lens group (4).
2. dermoscopy 50X polarization optics camera lens according to claim 1, is characterized in that, described LED group (2) is made up of the pcb board (9) of white LED lamp pearl (8) and fixed light pearl, has detachability, be convenient for changing lamp pearl.
3. a kind of dermoscopy 50X polarization optics camera lens according to claim 1, it is characterized in that, described analyzer (3) is one group of adjustable polarising means, comprising: checking bias slice (11), for filtering reflected light; Regulator (12), for adjusting the direction of checking bias slice from parallel with polarizer slice direction to vertical with polarizer slice direction; Index dial (13), for reading the angle in checking bias slice and polarizer slice direction.
4. a kind of dermoscopy 50X polarization optics camera lens according to claim 3, it is characterized in that, described checking bias slice (11) is coaxial with lens group (4), and checking bias slice (11) diameter is greater than the Entry pupil diameters of lens group (4) optical lens.
5. a kind of dermoscopy 50X polarization optics camera lens according to claim 3, it is characterized in that, the range of adjustment of described regulator (12) is 0-90 degree.
6. a kind of dermoscopy 50X polarization optics camera lens according to claim 1, is characterized in that, described lens group (4), and be made up of with the lens combination of lens barrel concentric lens barrel (18) and being arranged in lens barrel, lens combination is made up of two arrangement of mirrors sheets.
7. a kind of dermoscopy 50X polarization optics camera lens according to claim 6, is characterized in that, two arrangement of mirrors sheets of described lens group, and one group is the positive lens (15,16) glued together by two eyeglasses, and one group is the negative meniscus (19) of single eyeglass.
8. a kind of dermoscopy 50X polarization optics camera lens according to claim 1, is characterized in that described camera lens base (5) comprises 2 conducting rod groups (23), and conducting rod group is detachable flexibly, plays electric action.
9. a kind of dermoscopy 50X polarization optics camera lens according to claim 8, is characterized in that, described conducting rod group (23), point contact type is adopted with LED group power contact, conducting rod group (23) adopts elastic mechanism, and the connecting link of electrode contacts can stretch up and down, with contact Elastic Contact.
10. a kind of dermoscopy 50X polarization optics camera lens according to claim 1, it is characterized in that, described mirror head outer shell (6), comprise plastics front shroud and lens group shell, mirror head outer shell selects conventional ABS material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520233271.1U CN204694910U (en) | 2015-04-17 | 2015-04-17 | A kind of dermoscopy 50X polarization optics camera lens |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520233271.1U CN204694910U (en) | 2015-04-17 | 2015-04-17 | A kind of dermoscopy 50X polarization optics camera lens |
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| CN204694910U true CN204694910U (en) | 2015-10-07 |
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| CN201520233271.1U Expired - Fee Related CN204694910U (en) | 2015-04-17 | 2015-04-17 | A kind of dermoscopy 50X polarization optics camera lens |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107456199A (en) * | 2017-09-11 | 2017-12-12 | 合肥德易电子有限公司 | A kind of intelligent radio scope pickup-light source system |
| CN109475352A (en) * | 2017-01-17 | 2019-03-15 | 德玛医疗株式会社 | Check device, the control method of check device, system, light guide and scale |
| US11026581B2 (en) | 2016-09-30 | 2021-06-08 | Industrial Technology Research Institute | Optical probe for detecting biological tissue |
-
2015
- 2015-04-17 CN CN201520233271.1U patent/CN204694910U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11026581B2 (en) | 2016-09-30 | 2021-06-08 | Industrial Technology Research Institute | Optical probe for detecting biological tissue |
| CN109475352A (en) * | 2017-01-17 | 2019-03-15 | 德玛医疗株式会社 | Check device, the control method of check device, system, light guide and scale |
| CN107456199A (en) * | 2017-09-11 | 2017-12-12 | 合肥德易电子有限公司 | A kind of intelligent radio scope pickup-light source system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20200417 |
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| CF01 | Termination of patent right due to non-payment of annual fee |