CN203524643U - OCT scanning device and OCT device for ophthalmology department - Google Patents
OCT scanning device and OCT device for ophthalmology department Download PDFInfo
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- CN203524643U CN203524643U CN201320478888.0U CN201320478888U CN203524643U CN 203524643 U CN203524643 U CN 203524643U CN 201320478888 U CN201320478888 U CN 201320478888U CN 203524643 U CN203524643 U CN 203524643U
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Abstract
The utility model belongs to the technical field of detection in the ophthalmology department, and provides an OCT scanning device and an OCT device for the ophthalmology department. The OCT scanning device comprises a glasses type support and a probe arranged on the glasses type support. The probe is connected with an OCT imaging system through a photo-electricity connecting wire. The probe is arranged on the glasses type support and is connected with the OCT imaging system through the photo-electricity connecting wire, so that the whole OCT scanning device is worn on the head of an examinee to detect the eyes of the examinee, an examiner does not need to hold the OCT probe to detect the eyes of the examinee, the operation is easy and convenient, at the time, the OCT scanning device is kept still or synchronously moves along with the head of the examinee, the error due to shaking caused when the examinee holds the OCT probe by hand cannot be caused, the error caused by the deflection of the head of the examinee cannot be caused, and therefore the examining precision can be improved. Meanwhile, the OCT scanning device is not limited by the body position of the examinee, namely, the examinee and the examiner can be allowed to move during the examining process, and the fatigue of the examiner and the examinee is relieved.
Description
Technical field
This utility model belongs to ophthalmology detection technique field, relates in particular to a kind of OCT scanning means and ophthalmology OCT equipment.
Background technology
At present, ophthalmology OCT(Optical Coherence Tomography, means of optical coherence tomography) become one of diagnosis ophthalmic diseases most important means.Existing ophthalmology OCT equipment volume is large, need in special diagnosis room, operate, not portable.During ophthalmologic examination, need to make to pop one's head in and accurately aim at position to be detected, to obtain the OCT image at position to be detected.In prior art, conventionally allow the head of eyes to be detected be fixed on a chin strap, this method can cause the fatigue of user's cervical region and eyes, and can not detect the detected person of cannot sitting or distorting cervical region, allow child keep a kind of highly difficult posture also to limit this mode in the application of child's eyes context of detection always.In addition, also having a kind of method is to utilize hand hold transducer near detected eyes (referring to Patent Document 201220352431.0), this method has solved not portative problem, and detected person's position is liberated, but still need detected person when detecting, to keep particularly head static of health, this method will affect because of the shake of tester (operator of hand-held instrument) hand the accuracy of testing result simultaneously.
Utility model content
The object of this utility model embodiment is to provide a kind of being convenient to detect and the high OCT scanning means of accuracy of detection.
This utility model embodiment is achieved in that a kind of OCT scanning means, comprises spectacle support and the probe of being located at described spectacle support, and described probe is connected with OCT imaging system via photoelectric connecting wire.
Another object of this utility model embodiment is to provide a kind of ophthalmology OCT equipment, comprises OCT imaging system, and described ophthalmology OCT equipment adopts above-mentioned OCT scanning means.
This utility model embodiment is located at spectacle support by probe, and described probe is connected with OCT imaging system via photoelectric connecting wire, so whole OCT scanning means can be worn over to detected person's head detects its eyes, without by the hand-held OCT probe of tester, detected person's eyes being detected, easy and simple to handle, now described OCT scanning means will keep static or synchronizing moving with detected person's head, neither can bring into by the hand-held OCT probe of tester and rock caused error, can not bring the error that detected person's head deflection causes into yet, be beneficial to like this raising accuracy of detection.Meanwhile, this OCT scanning means is not subject to detected person's Postural restriction, allows detected person and tester in testing process, to carry out the movement of body part, alleviates tester and detected person's fatigue.
Accompanying drawing explanation
Fig. 1 is the structural representation of the OCT scanning means that provides of this utility model embodiment;
Fig. 2 is the structural representation of the probe that provides of this utility model embodiment;
Fig. 3 is the structural representation of the pedestal that provides of this utility model embodiment.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain this utility model, and be not used in restriction this utility model.
This utility model embodiment is located at spectacle support by probe, and described probe is connected with OCT imaging system via photoelectric connecting wire, so whole OCT scanning means can be worn over to detected person's head detects its eyes, without by the hand-held OCT probe of tester, detected person's eyes being detected, easy and simple to handle, now described OCT scanning means will keep static or synchronizing moving with detected person's head, neither can bring into by the hand-held OCT probe of tester and rock caused error, can not bring the error that detected person's head deflection causes into yet, be beneficial to like this raising accuracy of detection.Meanwhile, this OCT scanning means is not subject to detected person's Postural restriction, allows detected person and tester in testing process, to carry out the movement of body part, alleviates tester and detected person's fatigue.
Below in conjunction with specific embodiment, realization of the present utility model is described in detail.
As shown in Figure 1, the OCT scanning means that this utility model embodiment provides comprises spectacle support 1 and the probe 2 of being located at described spectacle support 1, and described probe 2 is connected with OCT imaging system via photoelectric connecting wire 3.Probe 2 is located to spectacle support 1 herein, and described probe 2 is connected with OCT imaging system via photoelectric connecting wire 3, so whole OCT scanning means can be worn over to detected person's head detects its eyes, without by the hand-held OCT probe of tester, detected person's eyes being detected, easy and simple to handle, now described OCT scanning means will keep static or synchronizing moving with detected person's head, neither can bring into by the hand-held OCT probe of tester and rock caused error, can not bring the error that detected person's head deflection causes into yet, be beneficial to like this raising accuracy of detection.Meanwhile, this OCT scanning means is not subject to detected person's Postural restriction, allows detected person and tester in testing process, to carry out the movement of body part, alleviates tester and detected person's fatigue.
Spectacle support 1 described in this utility model embodiment comprises in order to forced belt 12 after the bearing 11 of supporting probe 2, brain and in order to connect the stressed side arm 13 of forced belt 12 and bearing 11 after described brain.Conventionally, described stressed side arm 13 is two, with held stationary.
Wherein, described bearing 11 has for probe 2 slip the draw-in groove (not shown) to its location, described probe 2 has the pedestal 21 being slidably matched with draw-in groove, is provided with the first optical module and the second optical module for guiding described tested eye eyeball 18 to make it rotation and the pupil of described tested eye is monitored that tested eye optical fundus is scanned and detected in described pedestal 21.Because described probe 2 can slide and be fixed on desired location in draw-in groove, so this OCT scanning means can only be established a probe 2, respectively detected person's images of left and right eyes is checked, Material Cost is low.2 pairs of detected person's images of left and right eyes of the same probe of reason check again, and check result has more reference value.Certainly, because of the 2 position capable of regulatings of popping one's head in, the detected person of the outstanding suitable different head dummys of this OCT scanning means detects.
As shown in Figure 2, described photoelectric connecting wire 3 mainly imports described probe 2, oppositely surveys 2 the optical fiber 4 of popping one's head in described in light-output by forward being surveyed to light, the picture signal that imageing sensor 5 is gathered reaches the holding wire 6 of monitor and watches light attentively and make it the power line 7 that light intensity and distribution change and form in order to control, and wherein said reverse detection light is that forward is surveyed the detection light that light produced and carried information needed after to the optical fundus scanning of tested eye.Aforementioned OCT imaging system gathers through optical fiber 4 information that described reverse detection light carries, and to forming after this information processing, detects pattern.In addition the pupil video that tester can show according to described monitor, pop one's head in focusing and optical fundus scan operation.
As preferably, described the first optical module comprises in order to adjust detection light makes it the MEMS micro mirror 8 that described tested eye optical fundus is scanned, described the second optical module comprises providing to be watched the light source 9 of light attentively and makes it and the reflecting mirror 10 of surveying light and enter simultaneously tested eyeball in order to watch light described in adjusting attentively, described reflecting mirror 10 is provided with for forward and surveys light, oppositely surveys the open-work 15 that light and imaging pass, and wherein said imaging is watched light and/or surround lighting attentively for what return to and pass described open-work 15 from tested eye pupil hole.By described open-work 15 is set, not only make described imaging extract easily herein, and make described forward survey light, oppositely survey light and imaging light decay minimum, be highly advantageous to and detect and imaging.In addition, the MEMS micro mirror 8 that this OCT scanning means is minimum by size, weight is extremely light replaces XY galvanometer, makes it to have higher integrated level, and portability is better.Described MEMS micro mirror 8 is electrically connected to and communicates by letter with extraneous via circuit board, is formed in aforementioned photoelectric connecting wire 3 herein for the sets of lines being electrically connected to and communicate by letter.
Conventionally, described reverse detection light and imaging are projected to dichroic mirror 16 after MEMS micro mirror 8 reflection, and wherein this is oppositely surveyed light and enters optical fiber 4 through described dichroic mirror 16 transmissions are laggard, and this imaging reflexes to imageing sensor 5 through described dichroic mirror 16.It should be noted that described forward detection light can directly see through this dichroic mirror 16.Adopt described dichroic mirror 16 herein, greatly simplified the structure of this OCT scanning means.
Particularly, between described MEMS micro mirror 8 and reflecting mirror 10, establish focusing lens 17, along described in watch the direction that light enters tested eyeball 18 attentively and establish ophthalmoscope 19, described forward is surveyed light from optical fiber 4 outgoing, be projected to dichroic mirror 16 after fiber coupler 22 and condenser lens 23 are adjusted, and described forward is surveyed light line focus lens 23 and is adjusted to the directional light that is beneficial to propagation.Wherein, establish the miniature CCD device of imaging len 24 before described imageing sensor 5 is preferably, described MEMS micro mirror 8 is preferably MEMS two-dimensional scan galvanometer.Now can control described MEMS micro mirror 8, make described forward survey light and carry out line sweep from optical fundus diverse location, so detect more complete.Generally, described forward is surveyed light and is oppositely surveyed the infrared light that light is identical wavelength, and described light source 9 has a plurality of LED.If a plurality of LED form array, can light as required the LED of diverse location, form the point of fixation position of watching light (watch the light intensity of light attentively and/or distribute different) the detected eye of guiding attentively of diverse location or shape.Further, when detection is established in described pedestal 21 bottoms, near the deck 25 of tested eye, this deck 25 coordinates with aforementioned draw-in groove, and its length is all less than or equal to 3cm, as shown in Figure 3.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. an OCT scanning means, is characterized in that, described OCT scanning means comprises spectacle support and the probe of being located at described spectacle support, and described probe is connected with OCT imaging system via photoelectric connecting wire.
2. OCT scanning means as claimed in claim 1, is characterized in that, described spectacle support comprises forced belt after bearing in order to supporting probe, brain and in order to connect the stressed side arm of forced belt and bearing after described brain.
3. OCT scanning means as claimed in claim 2, it is characterized in that, described bearing has for probe slip the draw-in groove to its location, described probe has the pedestal being slidably matched with draw-in groove, is provided with the first optical module and the second optical module for guiding described tested eye eyeball to make it rotation and the pupil of described tested eye is monitored that tested eye optical fundus is scanned and detected in described pedestal.
4. OCT scanning means as claimed in claim 3, it is characterized in that, described photoelectric connecting wire mainly imports described probe, oppositely surveys the optical fiber of popping one's head in described in light-output by forward being surveyed to light, the picture signal of imageing sensor collection is reached to the holding wire of monitor and watches light attentively and make it the power line that light intensity and distribution change and form in order to control, and wherein said reverse detection light is that forward is surveyed the detection light that light produced and carried information needed after to the optical fundus scanning of tested eye.
5. OCT scanning means as claimed in claim 4, it is characterized in that, described the first optical module comprises in order to adjust detection light makes it the MEMS micro mirror that described tested eye optical fundus is scanned, described the second optical module comprises providing to be watched the light source of light attentively and makes it and the reflecting mirror of surveying light and enter simultaneously tested eyeball in order to watch light described in adjusting attentively, described reflecting mirror is provided with for forward and surveys light, oppositely surveys the open-work that light and imaging pass, and wherein said imaging is watched light and/or surround lighting attentively for what return to and pass described open-work from tested eye pupil hole.
6. OCT scanning means as claimed in claim 5, it is characterized in that, described reverse detection light and imaging are projected to dichroic mirror after the reflection of MEMS micro mirror, wherein this is oppositely surveyed light and enters optical fiber through described dichroic mirror transmission is laggard, this imaging through described dichroic mirror reflects to imageing sensor.
7. the OCT scanning means as described in claim 5 or 6, it is characterized in that, between described MEMS micro mirror and reflecting mirror, establish focusing lens, along described in watch the direction that light enters tested eyeball attentively and establish ophthalmoscope, described forward is surveyed light from optical fiber outgoing, be projected to dichroic mirror after fiber coupler and condenser lens adjustment, and described forward is surveyed light line focus lens and is adjusted to directional light.
8. OCT scanning means as claimed in claim 7, it is characterized in that, described imageing sensor is for being set as before the miniature CCD device of picture lens, and described MEMS micro mirror is MEMS two-dimensional scan galvanometer, described forward is surveyed light and is oppositely surveyed light and is infrared light, and described light source has a plurality of LED.
9. an ophthalmology OCT equipment, comprises OCT imaging system, it is characterized in that, described ophthalmology OCT equipment adopts the OCT scanning means as described in any one in claim 1～8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320478888.0U CN203524643U (en) | 2013-08-06 | 2013-08-06 | OCT scanning device and OCT device for ophthalmology department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320478888.0U CN203524643U (en) | 2013-08-06 | 2013-08-06 | OCT scanning device and OCT device for ophthalmology department |
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| CN203524643U true CN203524643U (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320478888.0U Withdrawn - After Issue CN203524643U (en) | 2013-08-06 | 2013-08-06 | OCT scanning device and OCT device for ophthalmology department |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104337497A (en) * | 2013-08-06 | 2015-02-11 | 广东福地新视野光电技术有限公司 | OCT scanning device and ophthalmic OCT equipment |
| CN105832305A (en) * | 2016-06-20 | 2016-08-10 | 上海交通大学 | Head-wearing OCT (optical coherence tomography) imaging system for free moving animal |
-
2013
- 2013-08-06 CN CN201320478888.0U patent/CN203524643U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104337497A (en) * | 2013-08-06 | 2015-02-11 | 广东福地新视野光电技术有限公司 | OCT scanning device and ophthalmic OCT equipment |
| CN104337497B (en) * | 2013-08-06 | 2016-11-02 | 广东福地新视野光电技术有限公司 | A kind of OCT scan device and ophthalmology OCT equipment |
| CN105832305A (en) * | 2016-06-20 | 2016-08-10 | 上海交通大学 | Head-wearing OCT (optical coherence tomography) imaging system for free moving animal |
| CN105832305B (en) * | 2016-06-20 | 2018-10-16 | 上海交通大学 | Wear-type optical coherence tomography system for free movement animal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Jiang Xiaoyun Inventor after: Huang Guihua Inventor after: Zhou Chuanqing Inventor before: Jiang Xiaoyun Inventor before: Huang Guihua |
|
| COR | Change of bibliographic data | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140409 Effective date of abandoning: 20161012 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |