CN204636922U - Comprehensive therapeutical instrument for amblyopia - Google Patents

Abstract

The utility model discloses a medical electronic instrument, in particular to a therapeutic instrument for treating children with amblyopia. Amblyopia comprehensive therapeutic apparatus, including rear image red light lens barrel, liquid crystal touch screen frame and base pivoted in sequence, and also includes liquid crystal touch screen, which is fixedly installed in the space surrounded by the liquid crystal touch screen frame, and the liquid crystal touch screen A group of function selection keys are arranged on the frame; a CAM instrument and its stylus, a pivot between the liquid crystal touch screen frame and the base, and a pivot between the rear image red light lens barrel and the liquid crystal touch screen frame are arranged on the base All are hollow shafts. The utility model overcomes the defect that children are difficult to master in the prior art, and provides a comprehensive amblyopia treatment instrument which is relatively difficult for children to master and can realize human-computer interaction.

Description

Amblyopia Comprehensive Therapeutic Apparatus

technical field

The utility model relates to a medical electronic instrument, in particular to a therapeutic instrument for treating children with amblyopia.       

Background technique

Amblyopia is a common eye disease in children. In terms of clinical manifestations, although the eyeballs of amblyopic children have no obvious organic lesions, their vision development is lower than that of normal children, and the binocular fusion function is seriously affected, making it impossible to form stereoscopic vision. At present, the standard of amblyopia in my country is corrected visual acuity ≤ 0.8 or visual acuity difference ≥ 2 lines.

In order to treat amblyopia, the utility model of the present application provided Chinese patent CN1037580C in 1992, disclosing a kind of afterimage light (the afterimage effect is that after the color source that stimulates the human eye disappears, its stimulation effect still remains for a period of time effect) and a therapeutic instrument for treating amblyopia with pulsed red light, which includes a fuselage and a power circuit in the fuselage, a sound circuit and an afterimage red light pulse circuit, and an afterimage lamp and a red light in the afterimage red light pulse circuit The lamps are fixed in the lens barrel. The program mainly uses the combination of afterimage light and red light to improve the eyesight of children with amblyopia.

Amblyopia treatment methods include CAM therapy, light brush therapy, etc. in addition to afterimage light and red light therapy; for example, Chinese patent CN101322666 discloses an auxiliary treatment system for amblyopia training, which can realize red light flashing, CAM instrument, afterimage, and three primary colors. And fine work and other functions. However, the Chinese patent CN101322666 only realizes a plurality of functional modules on the software program, and does not provide corresponding hardware support.

Its lens barrel of existing amblyopia treatment instrument is directly hinged on the base, when adjusting the height of lens barrel like this, the far and near distance of its lens of lens barrel also can change with respect to human eye. Because the height of each amblyopic child is different, they tend to turn the lens barrel first to make it reach a suitable height. Since the lens of the lens barrel also moves laterally for a certain distance at the same time, the amblyopic child should move the position of his seat , to bring your eyes close to the lens of the lens barrel.

There are also some amblyopia treatment instruments whose lens barrel is shaped like a telescope, and the lens barrel is connected to the bottom seat through a specific transmission line. Every treatment requires children to hold the lens barrel and stare at the lens. Since each amblyopia treatment takes at least a few minutes, it is difficult for amblyopia children to keep their hands steady during the entire treatment process, so the afterimage red light in the lens barrel cannot form a stable and effective stimulus to the eyes of amblyopia children, and the treatment effect will be affected. big impact. And holding the lens barrel for a long time also easily makes the amblyopic children feel tired.

It can be seen that, for amblyopia children, the existing amblyopia therapeutic apparatus has a large gap and difficulty in the ease of operation and convenience, and cannot realize human-computer interaction.

Utility model content

The technical problem to be solved by the utility model is to provide an amblyopia comprehensive treatment instrument for amblyopia children, which has rich functions, strong pertinence, low difficulty in mastering, and can realize human-computer interaction.

In order to solve the above technical problems, the utility model provides the following technical solutions:

Amblyopia comprehensive therapeutic apparatus, including rear image red light lens barrel, liquid crystal touch screen frame and base pivoted in sequence, and also includes liquid crystal touch screen, which is fixedly installed in the space surrounded by the liquid crystal touch screen frame, and the liquid crystal touch screen A function selection key is arranged on the frame; the pivot between the liquid crystal touch screen frame and the base, and the pivot between the rear image red light lens barrel and the liquid crystal touch screen frame are all hollow shafts.

Adopt the comprehensive treatment instrument for amblyopia of the present utility model, have following technical effect:

1. The utility model provides two pivot joints, that is, two rotational degrees of freedom. The lens barrel can rotate relative to the liquid crystal touch screen frame, and the liquid crystal touch screen frame can rotate relative to the base, and the two cooperate with each other so that the entire amblyopia comprehensive treatment device has a large space for movable adjustment.

When the amblyopic child finds that the height or horizontal distance of the lens barrel does not match with himself, the amblyopic child can directly move the lens barrel to his eyes without two-step operation, which is more convenient to use. Moreover, the utility model's amblyopia comprehensive treatment instrument is similar to the traditional visual acuity tester in appearance, and amblyopia children will naturally put their eyes close to the lens of the red light lens barrel, and there is no difficulty in grasping.

2. The utility model is equipped with a super-large liquid crystal touch screen, which can display a variety of patterns, videos and even user guidance instructions, so that users can quickly grasp the use method of the utility model's comprehensive treatment device for amblyopia; Compared with the instructions and related patterns on the surface of the instrument, the LCD touch screen can display richer and more interesting multimedia content, and the user can also realize human-computer interaction by touching the surface of the LCD touch screen, making the whole treatment The process is lively and interesting.

A plurality of function selection keys are provided in conjunction with it; this is beneficial for the amblyopia comprehensive treatment device to provide corresponding operation prompt screens for amblyopia children to choose, similar to the ATM machine to realize the user's quick selection of the corresponding service through the fixed position of the button.

3. The combination of the liquid crystal touch screen and the double rotation degrees of freedom allows the lens barrel to face the side opposite to the liquid crystal touch screen. In this way, while the amblyopia child is staring at the lens, parents or other amblyopia children can also conduct human-computer interaction through the LCD touch screen or other devices on the base, which greatly improves the operability of the amblyopia comprehensive treatment device.

4. Since the pivot shaft is a hollow shaft, and the pivot hole itself is also hollow, such arrangement facilitates the introduction and extraction of circuit lines at the pivot joint. Moreover, lead wire holes can be set on the pivot between the pivot holes, even if the amblyopic child uses the pivot connection to rotate and look like the red light lens barrel and the liquid crystal touch screen frame, the corresponding circuit lines will not be affected by interference.

Further, the base is provided with a CAM instrument and its tracing pen, and the side wall of the base is provided with a chamber for accommodating the tracing pen and a clamping plate for closing the chamber.

The basic structure of the CAM instrument for providing corresponding CAM treatment functions belongs to common knowledge and is not specifically limited here.

Further, the lens barrel is provided with a spotlight for illuminating the CAM instrument, and a reflective layer is provided on the CAM instrument.

The reflective layer cooperates with the spotlights to make the black and white stripes on the disc of the CAM instrument more eye-catching, which helps to enhance the training effect of the CAM instrument.

Further, a stylus corresponding to the liquid crystal touch screen is also included.

The stylus is used to allow patients to directly click on the liquid crystal touch screen to realize corresponding selection and confirmation operations.

Further, the CAM instrument includes a rotating turntable, a disc with black and white bars placed on the turntable, and a transparent drawing board above the disc; the base is provided with an installation groove for installing the turntable, and the transparent drawing board The cover is closed on the installation groove, and a connecting fastener is arranged between the transparent drawing board and the installation groove.

Further, the connecting fastener includes a fastener one on the transparent drawing board and a fastener two on the installation groove, the contact surface of the fastener one and the fastener two is provided with a matching keyway or inclined surface, so A return spring is arranged between the fastener one and the installation groove.

The positioning of the transparent drawing board and the installation groove is realized by buckling. If you want to install or remove the transparent drawing board, just press the second fastener with your fingers to deform the return spring, and you can easily move the second fastener and change the fastener. One is engaged with or separated from the second fastener, so as to realize the installation or removal of the transparent drawing board.

Further, the function selection key includes a function key for turning off the cross point light, press the function key for turning off the light at the cross point, a cross figure will appear on the LCD touch screen, and lightly touch the center point of the cross figure with your hand or a randomly equipped click stick, when When the center point of the cross figure is touched, the LCD touch screen goes out once, and then a cross figure is displayed at a random position on the LCD touch screen.

Further, the function selection key includes a visual acuity chart key, wherein the visual acuity test chart corresponding to the visual acuity test chart key includes a standard logarithmic visual acuity chart, a graphic visual acuity chart for children, and a dotted visual acuity chart;

When you press the vision test key for the first time, a standard logarithmic vision chart will appear on the LCD touch screen; when you press the vision test key for the second time, a children's graphic vision chart will appear on the LCD touch screen. pattern to replace the icon "E" in the standard logarithmic eye chart; when you press the key of the eye test chart for the third time, a black dot appears on the LCD touch screen, and when you touch the black dot with your hand or the random click stick, the screen goes out once , and then a smaller black dot appears on the LCD touch screen at a random position.

Explanation of terms: Pivot connection, the installation of a pivot between two pivot holes requires that the section of the pivot hole is not smaller than the section at both ends of the pivot. Two pivoted objects will have a rotational degree of freedom at the joint. The difference from the pin hinge is that both ends of the pivot can rotate in the pivot hole, and only one end of the pin passes through the shaft hole to achieve relative rotation.

Description of drawings

Fig. 1 is the structure schematic diagram of the comprehensive treatment apparatus for amblyopia of the present utility model.

FIG. 2 is a side view of FIG. 1 .

Fig. 3 is a circuit block diagram of the utility model comprehensive treatment apparatus for amblyopia.

1 card board, 2 base, 3USB interface, 4 power switch, 5 CAM instrument transparent drawing board, 6 speakers, 7 function keys, 8 LCD touch screen frame, 9 LCD touch screen, 10 rear image red light lens, 11 rear image red light Lens barrel, 12 rubber pads, 13 spotlights, 14 connecting fasteners.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the technical scheme of the utility model is further described:

As shown in Figures 1 and 2, the comprehensive treatment apparatus for amblyopia of the present invention includes a rear-image red light lens barrel, a liquid crystal touch screen frame and a base pivotally connected in sequence, and also includes a liquid crystal touch screen, which is fixedly installed on the liquid crystal touch screen frame In the enclosed space, a set of function selection keys is arranged on the frame of the liquid crystal touch screen; the pivot between the rear image red light lens barrel, the frame of the liquid crystal touch screen and the base is a hollow shaft. The base is provided with a CAM instrument and its tracing pen, and the side wall of the base is provided with a chamber for accommodating the tracing pen and a clamping plate for closing the chamber. The liquid crystal touch screen frame is a hollow structure.

The utility model amblyopia comprehensive treatment instrument has four function selection keys and one return switching key, the main interface appears after starting up, operate according to the voice prompt, watch the operation help (on the main interface) accompanied by parents, press each button from left to right Function order treatment, introduce each function sequentially from left to right:

1. Rear image red light therapy function: press the rear image red light button, first the rear image light is turned on (the red light is off), then the rear image light is turned off, and the red light starts to flash. Children with amblyopia keep watching the mirror through the lens The light source in the tube changes until the red light is also extinguished; the final red light treatment time is 2 to 4 minutes. This kind of treatment needs to be cycled four times, and the total treatment time is 15 minutes. It is suitable for the auxiliary treatment of children with paracentric fixation amblyopia.

2. Therapeutic function of the CAM instrument: press the CAM instrument key, the disk with black and white grids starts to rotate, and under the visual stimulation of the black and white grids, draw the pattern lines on the drawing board with a pen. The drawn lines should be consistent with the lines on the drawing board, indicating that the training is correct. The drawing board should be changed frequently to improve the interest in the treatment of amblyopia children. Black and white bars start training from the thickest bar that amblyopia children can identify. Gradually change to thinner bars as vision improves. Children with amblyopia should sit upright during the training, with their eyes about 30cm away from the drawing board. As shown in Figure 2, during CAM training, the spotlight on the lens barrel should be aimed at the CAM instrument (parental assistance is required) to strengthen the training effect of the CAM instrument.

3. Cross-point light-off treatment function: press the cross-point light-off function key, a cross figure will be displayed on the LCD screen, touch the center point of the cross figure lightly with your hand or the randomly equipped click stick, when the point touches the center of the cross figure When clicked, the LCD screen goes out once, and then a cross figure of equal size appears at another random position on the LCD screen. Repeated touch, repeated training, so as to achieve the therapeutic effect. If you need to adjust the size of the cross figure, you need to press the cross point light off function key again, and the cross figure that appears at this time is smaller than before. If you want to further reduce the cross figure, you must press the cross point light off function key several times function keys.

The cross-point light-off training is suitable for the treatment of paracentric fixation amblyopia in children with amblyopia and the fusion function training before and after strabismus surgery. The fusion refers to the ability of the brain to synthesize the same images of the two eyes at the same time and form a complete impression on the perceptual level. Through the selection of icons, the subject's binocular attention to the same image can be improved, and long-term training can help improve the subject's vision.

4. Eye chart test function:

Press the vision test chart button, and a standard logarithmic vision chart will appear on the LCD touch screen. Children with amblyopia sit upright at a distance of 50cm from the standard logarithmic vision chart, and test one eye alternately.

When the amblyopic child does not recognize the standard logarithmic vision chart (as the age is too young), press the vision test table key again, and the children's graphic vision chart will appear on the LCD touch screen; Common patterns in daily life are used to replace the icon "E", but the common patterns are the same size as the icon E in the same position, for example, the common pattern in the third row is the same size as the "E" in the same position. During the test, children with amblyopia should sit upright at a distance of 50cm from the children's graphic vision chart, and the parents will test the visual acuity level of the children with amblyopia by asking about the name of the pattern.

Further, when the amblyopic child cannot recognize the children's graphic vision chart, press the vision test key again, and a small black spot will appear on the LCD touch screen; Touch the small black dot, after touching the small black dot, the LCD touch screen will go out once, and then a small black dot will appear at a random position on the LCD touch screen (the size is smaller than the small black dot that appeared last time). The smallest small black dot that children with amblyopia can see qualitatively (used to judge the basic situation of children's vision development) the visual acuity level of children with amblyopia.

5. Return function: no matter what interface you are in, press the return key to return to the main interface.

As shown in Figure 3, the utility model comprehensive treatment instrument for amblyopia also includes a central processing unit installed in the base, and the circuit connection of the central processing unit is respectively connected to the liquid crystal touch screen, the liquid crystal touch screen and the corresponding pivot through the hollow structure of the liquid crystal touch screen frame A function selection key and a rear image light and a red light installed in the rear image red light lens barrel. The central processing unit is also sequentially connected with an audio module and a loudspeaker, and the loudspeaker is installed in the frame of the liquid crystal touch screen, and the frame of the liquid crystal touch screen is provided with a corresponding sound hole. The specifications and models of each circuit component are as follows:

CPU

Using the high-performance Cortex-M3 processor, while fully meeting the functional requirements of the system, the cost is low.

LCD touch screen

It uses a 7-inch TFT large LCD screen with a resolution of 800*480 and high-brightness display. Fully meet the needs of the eye chart and other uses. Use a 7-inch high-sensitivity resistive touch screen to improve user experience and operational accuracy.

audio

Using a dedicated audio module, real music is played instead of buzzer music. Any music can be stored in the device for playback, up to 30 pieces of music can be stored.

CAM instrument

The CAM instrument uses a black and white grid disc with strong contrast as the stimulus source; several black and white grids with different spatial frequencies are randomly arranged on the disc. There is a rotatable turntable in the center of the instrument, and the black and white disk is placed on the turntable, which rotates at a speed of 1 to 3 revolutions per minute. The rotation of black and white bars produces visual stimuli with different spatial frequencies. Sparse fringes are low spatial frequencies, and fine fringes are high spatial frequencies. During treatment, gradually change from thin to dense. A non-rotating transparent drawing board is covered above the rotating disc, on which various patterns that can arouse children's interest are drawn. During treatment, children are asked to cover their healthy eyes and use a tracing pen (made of plastic) to play drawing games. The turntable of the CAM instrument controls the forward and reverse rotation of the motor according to the specified speed. An installation slot for installing the turntable is provided on the base, and the transparent drawing board is covered on the installation slot. The motor is arranged in the base, and the motor is controlled by the central processing unit.

USB powered

Provide +5V, 500mA power to external devices (such as optical brushes) through the USB interface, without data communication.

function selection key

A key module is arranged between the function selection key and the central processing unit, and the key module connects the function selection key and the central processing unit through matrix scanning, which can save the number of IO ports and reduce the cost.

afterimage red lens tube

A rear image light and a red light are installed inside, the red light is connected with the central processing unit through a certain oscillating circuit, and a relay switch is arranged between the rear image light and the central processing unit.

power module

The AC/DC module is used to directly connect the equipment to the 220V AC mains to form a simple, stable and reliable power supply system.

For those skilled in the art, under the premise of not departing from the structure of the present utility model, some deformations and improvements can also be made, such as three sockets and one connecting fastener are provided between the transparent drawing board and the installation groove. The connecting fastener includes a fastener one arranged on a transparent drawing board and a fastener two slidably connected to the installation groove, the contact surface of the fastener one and the fastener two is provided with a matching keyway or an inclined plane, the A reset spring is arranged between the fastener one and the installation groove, as long as the fastener one is pressed or the fastener two is slid, the fastener one will be bounced off by the reset spring, and the disassembly of the transparent drawing board is completed; And the randomly configured click stick can be the same part, such as a hammer-shaped rod at one end and a nib-shaped rod at the other end; Utility of patents.

Claims (8)

1. comprehensive therapeutical instrument for amblyopia, it is characterized in that: comprise the after image HONGGUANG lens barrel of pivot joint successively, liquid crystal touch screen framework and base, also comprise liquid crystal touch screen, liquid crystal touch screen is fixedly mounted in the space that liquid crystal touch screen framework surrounds, and liquid crystal touch screen framework is provided with function selecting key; Pivot between liquid crystal touch screen framework and base and the pivot between after image HONGGUANG lens barrel and liquid crystal touch screen framework are hollow axle.

2. comprehensive therapeutical instrument for amblyopia as claimed in claim 1, is characterized in that: base is provided with CAM instrument and pen thereof, and base side wall is provided with the chamber holding pen and the clamp closing this chamber.

3. comprehensive therapeutical instrument for amblyopia as claimed in claim 1, is characterized in that: also comprise the stylus corresponding with described liquid crystal touch screen.

4. comprehensive therapeutical instrument for amblyopia as claimed in claim 2, is characterized in that: described CAM instrument comprises the rotating disk of rotation, is provided with black and white bar grid and the disk be placed on rotating disk and to be located at above disk transparent draws plate; Base is provided with the mounting groove installing rotating disk, and described rotating disk and disk are all located in mounting groove, and transparent plate of drawing covers on mounting groove, and transparent drawing between plate and mounting groove is provided with connection fastener.

5. comprehensive therapeutical instrument for amblyopia as claimed in claim 4, is characterized in that: described after image HONGGUANG lens barrel is provided with the shot-light for shining to described disk, and described disk is provided with one deck reflector layer.

6. comprehensive therapeutical instrument for amblyopia as claimed in claim 5, it is characterized in that: described connection fastener comprises is located at the transparent fastener two drawn the fastener one on plate and be located on mounting groove, fastener one is provided with keyway or the inclined-plane of form fit with the contact surface of fastener two, is provided with back-moving spring between described fastener one and mounting groove.

7. comprehensive therapeutical instrument for amblyopia as claimed in claim 1, it is characterized in that: described function selecting key comprises cross point and to turn off the light function key, press cross point to turn off the light function key, there is a cross figure in liquid crystal touch screen, the central point of cross figure is touched with hands or the random click rod be equipped with, when point contacts cross centre of figure point, liquid crystal touch screen is extinguished once, liquid crystal touch screen shows a cross figure at random site again thereupon.

8. comprehensive therapeutical instrument for amblyopia as claimed in claim 1, it is characterized in that: described function selecting key comprises visual testing chart key, the visual testing chart that wherein visual testing chart key is corresponding comprises standard logarithmic visual acuity chart, child's Visual picture chart and point-like visual acuity chart;

First time, when pressing visual testing chart key, there is standard logarithmic visual acuity chart in liquid crystal touch screen; When second time presses visual testing chart key, liquid crystal touch screen occurs child's Visual picture chart, child's Visual picture chart adopts common patterns in life to carry out the icon " E " in alternate standard logarithmic visual acuity chart; Third time, there is a stain in liquid crystal touch screen when pressing visual testing chart key, and when tapping stain with hands or the random click rod be equipped with, screen extinguishes once, and liquid crystal touch screen occurs a less stain at a random site thereupon.