CN213046832U - Fundus rotation and strabismus tracking fundus photographing device - Google Patents
Fundus rotation and strabismus tracking fundus photographing device Download PDFInfo
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- CN213046832U CN213046832U CN202021216309.1U CN202021216309U CN213046832U CN 213046832 U CN213046832 U CN 213046832U CN 202021216309 U CN202021216309 U CN 202021216309U CN 213046832 U CN213046832 U CN 213046832U
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- swinging boom
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- 208000004350 Strabismus Diseases 0.000 title claims abstract description 13
- 230000033001 locomotion Effects 0.000 claims description 19
- 210000003128 head Anatomy 0.000 claims description 13
- 238000005259 measurement Methods 0.000 claims description 7
- 210000004220 fundus oculi Anatomy 0.000 claims description 4
- 210000003205 muscle Anatomy 0.000 abstract description 5
- 230000007488 abnormal function Effects 0.000 abstract description 2
- 210000001508 eye Anatomy 0.000 description 36
- 210000005252 bulbus oculi Anatomy 0.000 description 5
- 230000004064 dysfunction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 206010025421 Macule Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000001328 optic nerve Anatomy 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
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Abstract
The utility model provides a rotatory strabismus of fundus tracking eye ground camera device belongs to eye ground camera structure field. The utility model discloses an eye ground camera device and the host computer equipment who links to each other with eye ground camera device still include base, swinging boom, the swinging boom bottom is equipped with the rotation axis, the swinging boom passes through the rotation axis and links to each other with the base, and can with the rotation axis is the relative base horizontal rotation in axle center, eye ground camera device passes through the swinging boom sets up the top of base. The utility model has the advantages that: the accurate rotation angle of the patient with the abnormal function of the oblique muscle can be measured at different eye positions.
Description
Technical Field
The utility model relates to an eye ground camera especially relates to a rotatory strabismus of fundus tracks of eye ground camera device.
Background
Rotational strabismus refers to abnormal rotation of the eye about the visual axis, usually caused by an imbalance in force between the muscles responsible for internal rotation and those responsible for external rotation. There are many methods for examining the rotation angle, including a homography machine, a double-horse type rod and fundus oculi photography, wherein fundus oculi photography is particularly important as an objective examination method for the rotation inclination, and is very important for guiding the surgical design.
Fundus photography needs to rely on the rotatory strabismus of fundus to track fundus camera and realizes, current rotatory strabismus of fundus tracks fundus camera can only carry out horizontal linear motion and vertical linear motion on the horizontal plane, no matter how adjust, the rotatory strabismus of fundus tracks fundus camera moves on the horizontal plane all the time, can't track the photograph according to the eye position, consequently, can't provide the rotation angle of the patient's of oblique muscle dysfunction accuracy, also can't measure out the different eye position rotation degree of patient who has not had binocular vision function before.
SUMMERY OF THE UTILITY MODEL
For solving the problems in the prior art, the utility model provides a fundus tracking camera device for fundus rotation and squint.
The utility model discloses an eye ground camera device and the host computer equipment who links to each other with eye ground camera device still include base, swinging boom, the swinging boom bottom is equipped with the rotation axis, the swinging boom passes through the rotation axis and links to each other with the base, and can with the rotation axis is the relative base horizontal rotation in axle center, eye ground camera device passes through the swinging boom sets up the top of base.
The utility model discloses make further improvement, still include perpendicular revolution mechanic, perpendicular revolution mechanic one end and eye ground camera device fixed connection, the other end is articulated with the swinging boom, eye ground camera device can with perpendicular revolution mechanic is rotatory on the perpendicular for the pin joint.
The utility model discloses make further improvement, be equipped with the first angle measuring device who measures eye ground camera device vertical rotation angle on the perpendicular revolution mechanic, first angle measuring device's output links to each other with the input of host computer equipment.
The utility model discloses make further improvement, still include perpendicular revolution mechanic, the base top is equipped with rotating base, the rotation axis sets up in the rotating base bottom that links to each other with the swinging boom, rotating base passes through the rotation axis and articulates with the base, the rotating base lateral wall is equipped with the second rotation axis with swinging boom articulated, the swinging boom can with the second rotation axis is rotatory on the perpendicular for the pin joint.
The utility model discloses make further improvement, be equipped with the second angular surveying structure that is used for measuring the relative base horizontal rotation angle of rotating base on the rotating base, be equipped with the third angular surveying device that is used for measuring the relative rotating base vertical rotation angle of swinging boom on the swinging boom, second angular surveying device's output and third angular surveying device's output link to each other with the input of host computer equipment respectively.
The utility model discloses make further improvement, the integrative setting of eye ground camera device and host computer equipment or separately set up.
The utility model discloses make further improvement, still include the workstation, set up the X Y two-dimensional horizontal motion module on the workstation, the base sets up on the X Y two-dimensional horizontal motion module.
The utility model discloses make further improvement, still include head limit structure, head limit structure sets up in the eye ground camera device dead ahead.
The utility model discloses make further improvement, still include Z axle regulation module, the module setting is adjusted to the Z axle is in head limit structure below is used for adjusting head limit structure's height.
The utility model discloses make further improvement, still include Z axle regulation module, the base passes through Z axle regulation module and sets up on X Y two-dimensional horizontal motion module.
Compared with the prior art, the beneficial effects of the utility model are that: the fundus camera device can be adjusted according to the nine directions of eyes, so that the fundus camera device can be used for photographing the fundus coaxially with the axis of the eyes all the time, accurate rotation angles can be measured for patients with oblique muscle dysfunction, the rotation degrees of different eye positions of the patients without the binocular vision function can be measured, the photographing angles of the fundus camera device can be measured through the angle measuring device, and fundus images of all the eye positions can be effectively distinguished.
Drawings
Fig. 1 and fig. 2 are schematic structural views of an embodiment of the present invention;
fig. 3 and 4 are schematic structural views of another embodiment of the present invention;
fig. 5 is a schematic diagram of a horizontal movement locus of the camera.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1, the utility model discloses a workstation 3 sets up fundus camera 1 on workstation 3, still includes the host computer equipment 2 that links to each other with fundus camera 1 through wireless communication module wireless such as bluetooth, still is equipped with the head limit structure 7 that is used for fixed patient's head on workstation 3, head limit structure 7 sets up the dead ahead of fundus camera 1.
The fundus camera 1 is arranged obliquely above the base 5 through the rotating arm 4. The bottom of the rotating arm 4 is provided with a rotating shaft, the rotating arm 4 is connected with the base 5 through the rotating shaft, when the rotating shaft rotates horizontally, the fundus camera 1 can be driven to move horizontally in a concentric arc line relative to the rotating shaft in front of the eyes of the patient, and the horizontal movement track is shown in fig. 5.
The rotating arm 4 of this embodiment is provided in two stages with a rotating shaft as a whole, and the lower half is the rotating shaft, and the upper half is fixedly connected to the fundus camera 1 to drive the fundus camera 1 to move in a horizontal arc.
In this embodiment, a vertical adjustment column 6 is further provided below the head limiting structure 7, and the vertical adjustment column 6 can be adjusted to adapt to different patients, thereby ensuring that the fundus camera 1 is positioned right in front of the eye. Such as by a screw or an electric device, etc.
As shown in fig. 2, the vertical adjustment column of this example may be provided below the base 5 without providing a vertical adjustment function. In order to adapt the eye distance and the distance of different patients, the X Y two-dimensional horizontal motion module on the workbench 1 in the prior art is reserved on the workbench 1, the X Y two-dimensional horizontal motion module comprises an X-axis motion module 9 and an X-axis motion module 8 arranged on the X-axis motion module 9, and the base 5 is arranged on the X-axis motion module 8 through a Z-axis adjusting module, so that the position of the fundus camera 1 is three-dimensionally adjustable, the height and the distance of all patients can be adapted, and the fundus camera 1 is adjusted to be right in front of the eyes of the patients 1.
The fundus camera 1 and the host apparatus 2 of this example may be integrated into one apparatus, and the whole may be disposed above the rotary arm 4. The split type setting is more favorable to the lightweight design of equipment, more convenient operation.
As shown in fig. 3, as another embodiment of the present invention, in this embodiment, a rotating base 10 that rotates relative to the base 6 may be provided on the base 5, the rotating shaft may be provided at the bottom of the rotating base 10, the rotating base 10 may be hinged to the base 6 via the rotating shaft, one end of the rotating arm 4 may be fixedly connected to the rotating base 10, and the other end may be connected to the fundus camera 1.
As shown in fig. 4, this example further includes a vertical surface rotation structure 11, one end of the vertical surface rotation structure 11 is fixedly connected to the fundus camera 1, and the other end is hinged to the rotation arm 4, and the fundus camera 1 can rotate on the vertical surface with the vertical surface rotation structure 11 as a hinge point. Of course, the vertical plane rotation structure 11 of this embodiment may also be configured such that the connection end with the fundus camera 1 is a hinged end, thereby driving the fundus camera 1 to make up-and-down vertical arc motion on the visual plane right in front of the patient's eye.
Through the arrangement of the rotating arm 4, the fundus camera 1 can be adjusted according to nine directions of the upper left, the upper middle, the upper right, the middle left, the middle right, the lower left, the lower middle and the lower right of the eyes, when the eyeball rotates up, down, left and right, the fundus camera 1 always takes a picture in front of the eyeball, so that the accurate rotating angle can be measured for the patient with the abnormal function of the oblique muscles, and the rotating degrees of different eye positions of the patient without the function of binocular vision can be measured.
Preferably, in this example, at the two hinge points, a horizontal rotation angle measuring device and a vertical rotation angle measuring device, which are connected to the host apparatus, respectively, are further provided, and the horizontal rotation angle and the vertical rotation angle of the fundus camera 1 can be measured. The host equipment can acquire the photographing angle of the eye fundus camera device according to the angle and display the photographing angle on the eye fundus picture, so that eye fundus images of all eye positions can be effectively distinguished. Thereby avoiding the defect that manual marking or forgetting marking can not be distinguished.
The utility model can also realize the measurement of the main sense rotation squint degree and the other sense rotation squint degree through the position of the fundus camera 1, the fixation point arranged in the setting and the fixation point of the peripheral.
The utility model has the advantages that:
1. the fundus camera performs horizontal and vertical arc motion in front of the eyes, can move to the front of the eyeballs and is coaxial with the axis of the eyes;
2. the eyeballs can be shot from the right front of the eye positions along with the movement of the eyeballs, so that the rotation of the eyegrounds can be shot, and the rotation degrees of different eye positions can be shot according to the comparison between the positions of the eyeground macula and optic nerves of different eye positions and the position in the right position;
3. the measurement of the left eye fixation and the right eye fixation can be carried out through the conversion of the inner fixation and the outer fixation, so that the measurement result can correspond to the nine-azimuth examination and the strabismus AV syndrome examination;
4. when taking a picture, the positions of the fundus camera 1, namely different eye positions, can be directly reflected on the picture without marking one by one, which is more convenient.
The above-mentioned embodiments are the preferred embodiments of the present invention, and the scope of the present invention is not limited to the above-mentioned embodiments, and the scope of the present invention includes and is not limited to the above-mentioned embodiments, and all equivalent changes made according to the present invention are within the protection scope of the present invention.
Claims (10)
1. The utility model provides a rotatory strabismus of fundus tracks of fundus camera device, includes fundus camera device and the host computer equipment that links to each other with fundus camera device which characterized in that: still include base, swinging boom, the swinging boom bottom is equipped with the rotation axis, the swinging boom passes through the rotation axis and links to each other with the base, and can use the rotation axis is the relative base horizontal rotation in axle center, the eye ground camera device passes through the swinging boom sets up the top of base.
2. An fundus rotation and oblique vision tracking fundus camera according to claim 1, wherein: still include vertical plane revolution mechanic, vertical plane revolution mechanic one end and fundus camera device fixed connection, the other end is articulated with the swinging boom, fundus camera device can use vertical plane revolution mechanic rotates on the vertical plane as the pin joint.
3. An fundus camera according to claim 2 and having a function of fundus rotation and oblique tracking, wherein: and a first angle measuring device for measuring the vertical rotation angle of the fundus photographing device is arranged on the vertical plane rotating structure, and the output end of the first angle measuring device is connected with the input end of the host equipment.
4. An fundus rotation and oblique vision tracking fundus camera according to claim 1, wherein: still include perpendicular revolution mechanic, the base top is equipped with rotating base, the rotation axis sets up in the rotating base bottom that links to each other with the swinging boom, rotating base passes through the rotation axis and is articulated with the base, the rotating base lateral wall is equipped with the second rotation axis with swinging boom articulated, the swinging boom can with the second rotation axis is rotatory on the perpendicular as the pin joint.
5. An fundus camera according to claim 4 and having a function of fundus rotation and oblique tracking, wherein: the rotary base is provided with a second angle measurement structure for measuring the horizontal rotation angle of the rotary base relative to the base, the rotary arm is provided with a third angle measurement device for measuring the vertical rotation angle of the rotary arm relative to the rotary base, and the output end of the second angle measurement device and the output end of the third angle measurement device are respectively connected with the input end of the host equipment.
6. An fundus camera according to any one of claims 1-5 having a view of fundus rotation oblique tracking, wherein: the fundus camera and the host device are integrally or separately arranged.
7. An fundus camera according to claim 6 and having a function of fundus rotation and oblique tracking, wherein: still include the workstation, set up the X Y two-dimensional horizontal motion module on the workstation, the base sets up X Y two-dimensional horizontal motion module is last.
8. An fundus camera according to claim 7 and having a function of fundus rotation and oblique tracking, wherein: the fundus oculi photographing device further comprises a head limiting structure, and the head limiting structure is arranged right in front of the fundus oculi photographing device.
9. An fundus camera according to claim 8 and having a fundus rotation oblique tracking function, wherein: the head limiting structure is characterized by further comprising a Z-axis adjusting module, wherein the Z-axis adjusting module is arranged below the head limiting structure and used for adjusting the height of the head limiting structure.
10. An fundus camera according to claim 8 and having a fundus rotation oblique tracking function, wherein: still include Z axle adjustment module, the base passes through Z axle adjustment module and sets up on X Y two-dimensional horizontal movement module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021216309.1U CN213046832U (en) | 2020-06-28 | 2020-06-28 | Fundus rotation and strabismus tracking fundus photographing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021216309.1U CN213046832U (en) | 2020-06-28 | 2020-06-28 | Fundus rotation and strabismus tracking fundus photographing device |
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| Publication Number | Publication Date |
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| CN213046832U true CN213046832U (en) | 2021-04-27 |
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| CN202021216309.1U Active CN213046832U (en) | 2020-06-28 | 2020-06-28 | Fundus rotation and strabismus tracking fundus photographing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116269198A (en) * | 2023-05-11 | 2023-06-23 | 深圳市眼科医院(深圳市眼病防治研究所) | Eyeball rotation angle measurement method and device based on convolutional neural network |
-
2020
- 2020-06-28 CN CN202021216309.1U patent/CN213046832U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116269198A (en) * | 2023-05-11 | 2023-06-23 | 深圳市眼科医院(深圳市眼病防治研究所) | Eyeball rotation angle measurement method and device based on convolutional neural network |
| CN116269198B (en) * | 2023-05-11 | 2023-11-14 | 深圳市眼科医院(深圳市眼病防治研究所) | Eyeball rotation angle measurement method and device based on convolutional neural network |
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