CN209826671U - Self-shooting type fundus camera - Google Patents
Self-shooting type fundus camera Download PDFInfo
- Publication number
- CN209826671U CN209826671U CN201920243733.6U CN201920243733U CN209826671U CN 209826671 U CN209826671 U CN 209826671U CN 201920243733 U CN201920243733 U CN 201920243733U CN 209826671 U CN209826671 U CN 209826671U
- Authority
- CN
- China
- Prior art keywords
- camera
- unit
- fundus
- adjusting
- self
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Eye Examination Apparatus (AREA)
Abstract
The utility model provides a self-photographing type fundus camera, which comprises a positioning unit, a positioning unit and a control unit, wherein the positioning unit is used for capturing the eyeball position of a detected person; the camera shooting unit is used for shooting fundus pictures; the adjusting unit is connected with the eyeball positioning unit and the camera shooting unit and is used for adjusting the position relation between the camera shooting unit and the eyeballs; the camera shooting unit and the adjusting unit are arranged in the ergonomic shell, and the ergonomic shell is suitable for a detected person to take eyeground pictures by holding or wearing the ergonomic shell.
Description
Technical Field
The utility model relates to the field of medical equipment, concretely relates to auto heterodyne formula eye ground camera.
Background
The fundus camera is a medical instrument for detecting retinopathy, and plays an important role in preventing fundus diseases, hypertension, diabetes and other diseases in advance.
When taking a fundus image, it is necessary to align the eyeball of the subject with the objective lens of the fundus camera, and the alignment means that the distance and angle between the eyeball and the lens should be under the expected conditions. The purpose of the alignment is to enable the light source of the fundus camera to sufficiently illuminate into the pupil and the focus of the lens to be on the plane of the fundus.
In order to capture a high-quality fundus image, many fundus cameras are provided with an adjustment mechanism for adjusting the relative position of a lens and an eyeball. The common fundus camera comprises a head fixing frame, a translation table and other auxiliary devices, the translation table drives the camera to integrally move, and the camera is large in size and poor in convenience.
In order to improve convenience, the prior art provides some handheld fundus cameras, which are small in size and portable. However, the convenience of the method is still to be improved because the method needs to be operated by a tester to take a picture of the tested person.
SUMMERY OF THE UTILITY MODEL
The utility model provides a self-timer type eye ground camera, include:
the positioning unit is used for capturing the eyeball position of the detected person;
the camera shooting unit is used for shooting fundus pictures;
the adjusting unit is connected with the eyeball positioning unit and the camera shooting unit and is used for adjusting the position relation between the camera shooting unit and the eyeballs;
the camera shooting unit and the adjusting unit are arranged in the ergonomic shell, and the ergonomic shell is suitable for a detected person to take eyeground pictures by holding or wearing the ergonomic shell.
Optionally, the positioning unit comprises:
the infrared emitter is used for emitting infrared rays to the eyes of the detected person;
an infrared receiver for receiving infrared rays reflected by the eyes of the subject;
and the positioner is used for determining the eyeball position according to the reflected infrared rays.
Optionally, the positioning unit comprises:
the auxiliary camera is used for shooting an eye image of the detected person;
and the positioner is used for determining the eyeball position according to the eye image.
Optionally, the adjusting unit includes a displacement device and/or an angle adjusting device, wherein the displacement device is configured to control the image capturing unit to perform three-axis displacement, and the angle adjusting device is configured to adjust an angle between an optical axis of the image capturing unit and an eye axis.
Optionally, the ergonomic housing comprises a barrel body suitable for being held by a person to be detected, the barrel body is provided with an eyepiece, the image pickup unit and the adjusting unit are arranged inside the barrel body, and the image pickup unit is used for taking a fundus picture through the eyepiece; the mechanism for fitting the eyes of the detected person is arranged around the ocular and matched with the eye contour of the detected person to shield the external environment illumination.
Optionally, the camera unit comprises two cameras for acquiring binocular fundus pictures; the adjusting unit comprises a first adjusting mechanism and a second adjusting mechanism which are respectively used for adjusting the two cameras;
the ergonomic housing comprises two cylindrical bodies suitable for being held by a detected person, the first adjusting mechanism and one camera are correspondingly arranged in one cylindrical body, and the second adjusting mechanism and the other camera are correspondingly arranged in the other cylindrical body;
the cylindrical body is provided with an ocular lens, and the photographing unit photographs fundus pictures through the ocular lens; the mechanism for fitting the eyes of the detected person is arranged around the ocular and matched with the eye contour of the detected person to shield the external environment illumination.
Optionally, the adjusting unit further comprises a third adjusting mechanism for adjusting the distance between the two cylindrical bodies.
Optionally, the ergonomic housing comprises a spectacle housing adapted to be worn by a subject and a headband securing mechanism; the camera shooting unit and the adjusting unit are arranged in the glasses shell; the glasses shell is provided with a mechanism for attaching the face of a detected person, and the mechanism is matched with the face contour of the detected person to shield the external environment illumination.
Optionally, the camera unit comprises a camera for acquiring a monocular fundus picture; the adjusting unit is also used for controlling the camera to move so as to respectively shoot fundus pictures of the two eyes of the tested person.
Optionally, the camera unit includes two cameras for respectively acquiring fundus pictures of both eyes; the adjusting unit comprises two adjusting mechanisms respectively used for adjusting the two cameras.
According to the utility model provides a self-timer formula eye ground camera, its shell adopts ergonomic form, conveniently is operated the eye ground camera by oneself and shoots by the person who detects to adjustment device and camera device are all inside the casing, and casing itself need not remove, and camera device moves in casing inside and change and be detected the position relation of person's eyeball, and this camera need not set up auxiliary devices such as head support, translation platform, and overall structure is less, controls the convenience stronger.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a self-timer fundus camera provided by the present invention;
fig. 2 is a schematic structural view of a single-cylinder fundus camera according to the present invention;
fig. 3 is a schematic structural view of a dual-cylinder fundus camera provided by the present invention;
fig. 4 is a schematic structural view of a head-mounted fundus camera according to the present invention;
fig. 5 is a schematic structural view of another head-mounted fundus camera according to the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
The embodiment of the utility model provides a self-timer formula eye ground camera, as shown in figure 1 this camera includes ergonomic casing 10, its inside camera unit 12 and the adjustment unit 13 of being equipped with. The ergonomic housing 10 is configured to be held or worn by a subject, and the subject can take a picture by operating the fundus camera. There are various alternative embodiments of the specific shape of ergonomic housing 10, such as a shape suitable for being held by one hand of a subject, a shape suitable for being held by two hands of a subject, or a shape that enables the subject to wear on the head, so that the subject can take a picture of the fundus by holding or wearing the subject.
The part contacted with the face or eyes of the detected person can be set to be in a shape of being attached with the outline of the face, and the shape of being attached with the face can play a role in shading light and assisting in positioning. When the face or the eyes of the subject come into contact with this part, the imaging unit 12 is brought into substantial alignment with the eyeballs. Then, the adjustment unit 13 finely adjusts the imaging unit 12 to meet the alignment requirement for taking fundus pictures.
The self-photographing type fundus camera further includes a positioning unit 11 for capturing the eyeball position of the subject, specifically, the position of the through hole. The positioning unit 11 may be disposed inside or outside the ergonomic housing 10. In one embodiment, the positioning unit 11 includes an infrared emitter, an infrared receiver, and a positioner, the infrared emitter emits infrared rays to the eye of the subject, the infrared receiver receives infrared rays reflected by the eye of the subject, and the positioner determines the eyeball position according to the reflected infrared rays.
In another embodiment, the positioning unit 11 includes at least one auxiliary camera and a positioner, the auxiliary camera captures an eye image of the detected person, and the positioner determines the eyeball position according to the eye image.
The imaging unit 12 is used to take fundus pictures. The image pickup unit 12 may include a lens group including a convex lens, a refractor, and other optical components, a light source, and an image forming unit, and emits light through the light source, and the lens group emits light to the fundus of the subject, emits fundus reflection light to the image forming unit, and forms an image based on the fundus reflection light by the image forming unit.
The image capturing unit 12 is controlled by the adjusting unit 13, and the adjusting unit 13 can adjust the position relationship between the image capturing unit and the eyeball of the detected person. The adjustment unit 13 may include a motor, a transmission mechanism, and the like, and may displace the image pickup unit 12 in an arbitrary direction or change the angle of the optical axis.
In an embodiment, the adjustment unit 13 comprises displacement means for controlling the camera unit 12 to perform a three-axis displacement. The image capturing unit 12 has three mutually perpendicular motion axes, for example, a z-axis for adjusting the distance between the lens and the eyeball, an x-axis for adjusting the lateral deviation between the lens and the eyeball, and a y-axis for adjusting the longitudinal deviation between the lens and the eyeball.
In an embodiment, the adjusting unit 13 comprises an angle adjusting device for adjusting the angle between the optical axis and the eye axis of the camera unit 12.
In addition, the self-timer type fundus camera can be further provided with a storage unit, a communication unit, a man-machine interaction key and other functional modules and a power supply. The storage unit can be used for storing the contents such as fundus photos and user information; the communication unit can adopt a wireless communication module such as Wi-Fi, Bluetooth, GPRS and the like or a wired communication module such as a coaxial line interface, a USB interface and the like, and is used for sending contents such as fundus photos and the like to external equipment; the man-machine interaction keys can comprise control keys for switching, performing alignment, performing photographing and the like, so that a detected person can control the camera.
According to the embodiment of the utility model provides a self-photographing type eye ground camera, its shell adopts ergonomic form, conveniently is operated the eye ground camera by the person who examines and take to adjustment device and camera device are all inside the casing, and casing itself need not remove, and camera device moves in casing inside and change and be examined the position relation of person's eyeball, and this camera need not set up auxiliary devices such as head support, translation platform, and overall structure is less, controls the convenience stronger.
The embodiment of the utility model provides a single-cylinder type fundus camera, as shown in figure 2, the camera comprises a cylinder body 20 which is suitable for being held by a detected person. The cylindrical body 20 is provided with an ocular 21, the camera unit 12 and the adjusting unit 13 are arranged in the cylindrical body 20, and the camera unit 12 shoots a fundus picture through the ocular 21; the ocular 21 is provided with a mechanism for fitting the eye of the detected person, and the mechanism is matched with the eye contour of the detected person to shield the external environment light.
The positioning unit 11 is not shown in fig. 2, the positioning unit 11 is arranged in the cylindrical body 20 to determine the eyeball position through the eyepiece 21, and the adjusting unit 13 can cooperate with the positioning unit 11 to adjust the position of the image pickup unit 12, such as the distance to the eyeball, the vertical deviation, the left-right deviation and the angle, according to the eyeball position determined by the positioning unit 11.
The embodiment of the utility model provides a binocular formula eye ground camera, binocular formula eye ground camera can shoot binocular eye ground photo simultaneously, have higher shooting efficiency. As shown in fig. 3, the imaging unit 12 of the camera includes a first camera 121 for taking a picture of a left eye fundus and a second camera 122 for taking a picture of a right eye fundus. The adjusting unit 13 of the camera includes a first adjusting mechanism 131 for adjusting the first camera 121 and a second adjusting mechanism 132 for adjusting the second camera 122.
The first camera 121 and the first adjustment mechanism 131 are correspondingly disposed in the first cylindrical body 31, and the second camera 122 and the second adjustment mechanism 132 are correspondingly disposed in the second cylindrical body 32.
The cylindrical body is provided with an ocular 30, and the photographing unit photographs the fundus through the ocular; the eyepiece 30 is provided with a mechanism for fitting the eye of the detected person, and the mechanism is matched with the eye contour of the detected person to shield the external environment light.
The positioning units 11 are not shown in fig. 3, and one or two positioning units 11 may be provided, for example, one positioning unit 11 sequentially positions both eyes, or two positioning units 11 respectively position both eyes. The positioning unit 11 is disposed in the cylindrical body to determine the position of the eyeball through the eyepiece, and the adjusting unit 13 can be engaged with the positioning unit 11 to adjust the position of the imaging unit 12, such as the distance to the eyeball, the vertical deviation, the left-right deviation, and the angle, according to the eyeball position determined by the positioning unit 11.
As a preferred embodiment, the adjusting unit 13 further includes a third adjusting mechanism 133 for adjusting the distance between the two cylindrical bodies. The adjustment of the distance between the cylindrical bodies also drives the cameras therein to move, which can be used as an auxiliary alignment operation, and can make the two cameras respectively and basically align to the two eyes through the third adjusting mechanism 133, and then fine-tune through the first adjusting mechanism 131 and the second adjusting mechanism 132.
The embodiment of the utility model provides a wear-type eye ground camera, this camera need not be handed by the person of being detected, by the fixed stability that can improve the operation of shooing of wear-type. The camera, as shown in fig. 4, includes a spectacle housing 40 adapted to be worn by a subject; the imaging unit 12 and the adjusting unit 13 are arranged inside the eyeglass housing 40; the glasses case 40 is provided with a mechanism for attaching the face of the subject, and matches with the contour of the face of the subject to block the external environment light. Also included is a headband mounting mechanism, not shown in fig. 4, adapted to be worn on the head of the subject to secure the eyeglass housing 40.
The camera unit 12 includes a camera 412 for taking a monocular fundus picture; the adjustment unit 13 is also used for controlling the camera 412 to move to take fundus pictures of the two eyes of the examinee respectively.
The embodiment of the utility model provides a wear-type eye ground camera, this camera need not be handed by the person of being detected, by the fixed stability that can improve the operation of shooing of wear-type. The camera as shown in fig. 5 includes a spectacle housing 50 adapted to be worn by a subject; the imaging unit 12 and the adjustment unit 13 are disposed inside the eyeglass housing 50; the eyeglass case 50 is provided with a mechanism for attaching the face of the subject, and cooperates with the contour of the face of the subject to block the external ambient light. Also included is a headband mounting mechanism, not shown in fig. 5, adapted to be worn on the head of the subject to secure the eyeglass housing 50.
The camera unit 12 includes a first camera 5121 for taking a left eye fundus picture and a second camera 5122 for taking a right eye fundus picture; the adjusting unit 13 includes a first adjusting mechanism for adjusting the first camera 5121 and a second adjusting mechanism for adjusting the second camera 5122. The head-mounted eye fundus camera can shoot the eye fundus photos of two eyes at the same time, and has high shooting efficiency.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. A self-photographing fundus camera, comprising:
the positioning unit is used for capturing the eyeball position of the detected person;
the camera shooting unit is used for shooting fundus pictures;
the adjusting unit is connected with the eyeball positioning unit and the camera shooting unit and is used for adjusting the position relation between the camera shooting unit and the eyeballs;
the camera shooting unit and the adjusting unit are arranged in the ergonomic shell, and the ergonomic shell is suitable for a detected person to take eyeground pictures by holding or wearing the ergonomic shell.
2. The self-photographing fundus camera of claim 1, wherein said positioning unit comprises:
the infrared emitter is used for emitting infrared rays to the eyes of the detected person;
an infrared receiver for receiving infrared rays reflected by the eyes of the subject;
and the positioner is used for determining the eyeball position according to the reflected infrared rays.
3. The self-photographing fundus camera of claim 1, wherein said positioning unit comprises:
the auxiliary camera is used for shooting an eye image of the detected person;
and the positioner is used for determining the eyeball position according to the eye image.
4. A self-photographing fundus camera according to claim 1, wherein said adjustment unit comprises a displacement means for controlling said photographing unit to make a three-axis displacement and/or an angle adjustment means for adjusting an angle of an optical axis of said photographing unit with an eye axis.
5. A self-timer fundus camera according to claim 1, wherein said ergonomic housing comprises a barrel adapted to be held by a subject, said barrel having an eyepiece, said camera unit and said adjustment unit being disposed inside said barrel, said camera unit taking a picture of the fundus through said eyepiece; the mechanism for fitting the eyes of the detected person is arranged around the ocular and matched with the eye contour of the detected person to shield the external environment illumination.
6. A self-timer fundus camera according to claim 1, wherein said camera unit comprises two cameras for taking binocular fundus pictures; the adjusting unit comprises a first adjusting mechanism and a second adjusting mechanism which are respectively used for adjusting the two cameras;
the ergonomic housing comprises two cylindrical bodies suitable for being held by a detected person, the first adjusting mechanism and one camera are correspondingly arranged in one cylindrical body, and the second adjusting mechanism and the other camera are correspondingly arranged in the other cylindrical body;
the cylindrical body is provided with an ocular lens, and the photographing unit photographs fundus pictures through the ocular lens; the mechanism for fitting the eyes of the detected person is arranged around the ocular and matched with the eye contour of the detected person to shield the external environment illumination.
7. A self-photographing fundus camera according to claim 6, wherein said adjustment unit further comprises a third adjustment mechanism for adjusting a pitch of said two cylinder-like bodies.
8. A self-photographing fundus camera according to claim 1, wherein said ergonomic housing comprises a spectacle housing adapted to be worn by a subject and a headband fixing mechanism; the camera shooting unit and the adjusting unit are arranged in the glasses shell; the glasses shell is provided with a mechanism for attaching the face of a detected person, and the mechanism is matched with the face contour of the detected person to shield the external environment illumination.
9. A self-timer fundus camera according to claim 8, wherein said camera unit comprises a camera for taking a single eye fundus picture; the adjusting unit is also used for controlling the camera to move so as to respectively shoot fundus pictures of the two eyes of the tested person.
10. A self-timer fundus camera according to claim 8, wherein said camera unit comprises two cameras for taking pictures of the fundus of both eyes respectively; the adjusting unit comprises two adjusting mechanisms respectively used for adjusting the two cameras.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920243733.6U CN209826671U (en) | 2019-02-26 | 2019-02-26 | Self-shooting type fundus camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920243733.6U CN209826671U (en) | 2019-02-26 | 2019-02-26 | Self-shooting type fundus camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209826671U true CN209826671U (en) | 2019-12-24 |
Family
ID=68904438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920243733.6U Active CN209826671U (en) | 2019-02-26 | 2019-02-26 | Self-shooting type fundus camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209826671U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111528790A (en) * | 2020-04-21 | 2020-08-14 | 丁涛 | Image capturing device, vision data processing method and fundus data processing method |
| CN111557639A (en) * | 2020-06-05 | 2020-08-21 | 上海鹰瞳医疗科技有限公司 | Fundus inspection system |
| ES2933226A1 (en) * | 2021-07-30 | 2023-02-02 | Share Global Health S L | Device for the control of diabetic retinopathies or other conditions detectable through the ocular study (Machine-translation by Google Translate, not legally binding) |
-
2019
- 2019-02-26 CN CN201920243733.6U patent/CN209826671U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111528790A (en) * | 2020-04-21 | 2020-08-14 | 丁涛 | Image capturing device, vision data processing method and fundus data processing method |
| CN111528790B (en) * | 2020-04-21 | 2023-08-04 | 张姬娟 | Image capturing device, vision data processing method and fundus data processing method |
| CN111557639A (en) * | 2020-06-05 | 2020-08-21 | 上海鹰瞳医疗科技有限公司 | Fundus inspection system |
| ES2933226A1 (en) * | 2021-07-30 | 2023-02-02 | Share Global Health S L | Device for the control of diabetic retinopathies or other conditions detectable through the ocular study (Machine-translation by Google Translate, not legally binding) |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11129532B2 (en) | Retinal cellscope apparatus | |
| US9770168B2 (en) | Device for imaging an eye | |
| US20140267668A1 (en) | Portable fundus camera | |
| CN100396230C (en) | Portable ophthalmic apparatus and ophthalmic system | |
| US10314486B2 (en) | Head-mounted indirect opthalmoscope camera | |
| CN105764406B (en) | For mobile leading portion and the modularization lens adaptor of back segment ophthalmoscopy | |
| JP6026444B2 (en) | Method and optical measuring device for determining at least one parameter in two eyes by setting a data transfer rate | |
| US11483537B2 (en) | Stereoscopic mobile retinal imager | |
| CN209826671U (en) | Self-shooting type fundus camera | |
| WO2012177544A1 (en) | Smart-phone adapter for ophthalmoscope | |
| WO2016072272A1 (en) | Eyesight examination device, and head mounted-type display device | |
| JP2010056661A (en) | Head mounting type video acquiring and displaying device | |
| CN112043238A (en) | Small fundus camera | |
| JP2003204972A (en) | Binocular magnifying glass and imaging system using it | |
| WO2011042722A1 (en) | Improvements in and relating to ophthalmic instruments | |
| JP2002017668A (en) | Portable observation camera | |
| CN103110402A (en) | Visible anterior segment inspection tester | |
| CN116009253A (en) | Optical equipment | |
| WO2014119007A1 (en) | Sight line detection device | |
| CN221673209U (en) | Myopia phototherapy instrument | |
| CN212213705U (en) | Small fundus camera | |
| CN103099600A (en) | Visible fundus examination tester | |
| CN111281337B (en) | Image acquisition equipment and fundus retina imaging method based on image acquisition equipment | |
| CN214128813U (en) | Infrared control operation magnifier | |
| CN202960460U (en) | Visual fundus inspection instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |