CN115281594A

CN115281594A - Pediatric visual examination device

Info

Publication number: CN115281594A
Application number: CN202210797100.6A
Authority: CN
Inventors: 乔宾
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-06
Filing date: 2022-07-06
Publication date: 2022-11-04

Abstract

The invention relates to the technical field of medical instruments, and particularly discloses a pediatric visual inspection device, wherein a placing seat and an end cap are arranged at the front end of a main body; the front end of the end cap is provided with a central hole, and two clamping flaps are arranged inside the end cap; the placing seat is internally provided with a push-pull ring and a normally open type push switch, and the push-pull ring provides thrust by a push spring so that the two clamping flaps clamp the cotton swab tightly; the push pull ring is connected with a sliding key positioned on the outer side of the placing seat through a sliding arm; the button of the normally open type press switch is positioned behind the central hole; the front end of the end cap is provided with a light source and a camera, and the light source is provided with a power supply line which is controlled to be switched on and off by a normally open type press switch. The vision examination device for the department of pediatrics is matched with the cotton swab for use, has the functions of illumination and shooting, can be connected with third-party equipment, and can effectively improve the vision examination effect and improve the vision examination efficiency; the function of the tongue depressor can be replaced by matching the cotton swab with the tongue depressor, and the tongue depressor does not need to be additionally arranged; it can be used as a flashlight and a shooting device, and has wide application in clinic.

Description

Pediatric visual examination device

Technical Field

The invention relates to the technical field of medical instruments, in particular to a visual inspection device used in pediatric clinical examination.

Technical Field

In pediatric clinical practice, some common diseases of children directly or indirectly cause lesions in the oral cavity, throat and other parts, so that visual examination of the oral cavity and throat parts is the most common clinical examination operation in pediatrics, and the visual examination is usually completed by means of the cooperation of common tools such as a cotton swab, a tongue depressor, a flashlight and the like. At present, a cotton swab, a tongue depressor and a flashlight are independent tools with single functions respectively, and have certain defects in clinical use. On one hand, when the light is insufficient, the flashlight and the cotton swab or the tongue depressor need to be held simultaneously for visual examination, so that the operation is very inconvenient; on the other hand, when the above-mentioned tool is used for visual examination of oral cavity or throat, only visual observation is generally used, the judgment effect on some atypical diseases is not good, and the focus image in visual examination cannot be quickly obtained, so that sufficient basis cannot be provided for the comparative analysis of the treatment effect before and after the course of the disease; on the other hand, the tools need to be respectively equipped for optional use, so that the operation cost of a medical unit is increased to a certain extent, and a larger desktop space of the diagnosis desk is occupied.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention aims to provide the pediatric visual inspection device which has a scientific and reasonable structure, is convenient and quick to use and can improve the visual inspection efficiency and the visual inspection effect.

In order to achieve the technical purpose, the invention adopts the following technical scheme:

a paediatrics inspection device, includes the main part, its characterized in that: a battery and a controller are arranged in the main body, a lighting switch and a shooting key are arranged outside the main body, and a placing seat is arranged at the front end of the main body; a storage module and a data transmission module are integrated in the controller; the front side of the placing seat is provided with an end cap with a hollow inner part; the cotton swab clamping device comprises an end cap, a guide mechanism and a cotton swab, wherein a center hole for inserting the tail end of a cotton swab is formed in the center of the front end of the end cap, two clamping flaps which are symmetrical in shape and distributed on two opposite sides of the center hole in the axial direction of the center hole are arranged in the end cap, an anti-slip groove is formed in each of opposite sides of the two clamping flaps for clamping the cotton swab, the two clamping flaps are limited by the guide mechanism and can move back and forth in an oblique stroke, the two clamping flaps are gradually far away from each other when moving back and forth at the same time, and the two clamping flaps are gradually close to each other when moving back and forth; the cotton swab placing seat is characterized in that a placing cavity is formed in the placing seat, a push-pull ring which can move back and forth and can allow a cotton swab to pass through is arranged in the placing cavity, the push-pull ring is respectively connected with the two clamping flaps through two traction mechanisms, so that the two clamping flaps are driven to move in an inclined stroke when the push-pull ring moves back and forth, and the push-pull ring provides thrust by a push spring and always provides forward acting force for the two clamping flaps so that the two anti-slip grooves clamp the cotton swab tightly; one side of the push-pull ring is connected with a sliding arm, a sliding groove is formed in the placing seat, the sliding arm penetrates through the sliding groove and can move back and forth in the sliding groove, and the sliding arm is fixedly connected with a sliding key positioned on the outer side of the placing seat; when the sliding key moves backwards, the push-pull ring drives the two clamping flaps to move backwards, so that the two anti-slip grooves can not clamp the cotton swab any more; a normally open type press switch is fixed at the rear end of the mounting cavity, the normally open type press switch is provided with a button which can move back and forth and can automatically reset forwards, and the button is positioned right behind the central hole and used for abutting against the tail end of the cotton swab; the front end of the end cap is provided with a light source and a camera which are positioned outside the central hole and connected with the controller; the light source is connected with two parallel power supply lines, one power supply line is controlled to be in an on-off state by the lighting switch, and the other power supply line is controlled to be in an on-off state by the normally-open type press switch; the working state of the camera is adjusted by a shooting key.

The working principle and the using method of the pediatric visual examination device are as follows:

when clinical visual examination is carried out on the interior of an oral cavity or the throat of a pediatric patient, the cotton swab is pinched through the packaging bag, the tail end of the cotton swab is inserted into the central hole and pushed backwards, when the tail end of the cotton swab is contacted with the anti-slip grooves of the two clamping flaps, the two anti-slip grooves are subjected to backward acting force to enable the two clamping flaps to move backwards, the clamping effect of the two anti-slip grooves on the cotton swab is gradually reduced along with the backward movement of the clamping flaps, therefore, the tail end of the cotton swab can pass through the two anti-slip grooves and move backwards, finally, the tail end of the cotton swab abuts against the button of the normally open type press switch and pushes the button to move backwards, the cotton swab is loosened when the cotton swab cannot be pushed backwards, the installation of the cotton swab is finished, and at the moment, the normally open type press switch is in a closed state, namely, the light source is in an illumination state; after the cotton swab is installed, the pushing spring provides pushing force, the push-pull ring drives the two clamping flaps to move forwards and finally keeps the trend of moving forwards all the time, the two anti-slip grooves clamp the cotton swab firmly, the main body is held, and corresponding visual inspection operation can be carried out; the pediatric visual inspection device can be connected with third-party equipment with an imaging function such as a mobile phone and a computer on the basis of a data transmission module, and can obtain a high-definition real-time electronic image by means of a camera and a display screen of the third-party equipment according to actual clinical requirements in the visual inspection process, so that the visual inspection effect is improved, and meanwhile, a focus image can be shot in the visual inspection process to be stored in a patient case history file as a medical image, so that a sufficient basis is provided for the comparative analysis of the treatment effect before and after the course of disease; after the inspection is accomplished, aim at the medical waste recovery container with the cotton swab, manual order about the feather key and move backward, push away the pull ring and will drive two clamp lamella and move backward, two antiskid groove weaken gradually until disappearing to the clamping action of cotton swab, open in usual push switch's button will reset forward and make the light source close, the cotton swab will be promoted by the button and in from center hole bullet to medical waste recovery container, has accomplished the dismantlement to using back cotton swab promptly.

This child's branch of academic or vocational study inspection device compares prior art, and it possesses following beneficial technological effect:

the vision examination device for the department of pediatrics can be used in cooperation with a cotton swab in clinical use, the vision examination operation inside the oral cavity or in the throat can be conveniently finished by one hand, and the operation is convenient and fast; the multifunctional endoscope has the functions of illumination and shooting, can be connected with third-party equipment, can more clearly observe and judge the focus part in the visual examination process, can reserve an electronic image of the focus part as required, and provides a basis for subsequent treatment, so that the visual examination efficiency and the diagnosis and treatment effect can be effectively improved; after the cotton swab is fixedly connected with the main body, the length occupied by holding the cotton swab is greatly saved, which is equivalent to the increase of the effective use length of the cotton swab, and the function of the tongue depressor can be completely replaced, so that the tongue depressor does not need to be additionally equipped, and the medical cost is saved to a certain extent; the illumination function and the shooting function of the vision examination device can work independently, namely the vision examination device can be used as a medical flashlight and a medical shooting device and has wide application in clinical operation; in clinical use, when the cotton swab is fixed on the pediatric visual examination device, the next operation is necessarily to perform visual examination on the inside of the oral cavity or the throat part, the used disposable cotton swab is necessarily taken down after the visual examination is completed, the pediatric visual examination device skillfully utilizes the rule, after the cotton swab is fixedly connected with the main body, the light source is in a working state, and after the cotton swab is taken down, the light source is in a closed state, and the working state of the light source does not need to be independently adjusted when the cotton swab is matched with the cotton swab to perform visual examination, so that the convenience and the rapidness are realized, and the medical efficiency is effectively improved; in clinical use, the cotton swab is pinched by the separation packaging bag and inserted into the central hole, so that the cotton swab is installed, the sliding key is slid after the cotton swab is used, the cotton swab can be popped out, the cotton swab is convenient and quick to install and disassemble, and particularly, the hands of a doctor do not need to be directly contacted with the cotton swab in the operation process, so that the occurrence of cross infection is avoided.

Drawings

Fig. 1 is a schematic view of an external structure of the pediatric visual inspection apparatus.

Fig. 2 is a second schematic view of the overall structure of the pediatric visual examination device.

Fig. 3 is an exploded view of the device for pediatric visual examination.

Fig. 4 is a schematic structural view of the main body and the seat.

Fig. 5 is a schematic structural view of an end cap.

Fig. 6 is a schematic structural view of two clamping flaps.

FIG. 7 is a schematic view of the engagement of the end cap with the clip flap.

Figure 8 is a schematic view of the push-pull ring and its connecting parts.

Figure 9 is a schematic view of the push-pull ring and the clip flap engaged.

Fig. 10 is a schematic structural view of a normally open push switch.

Fig. 11 is a schematic structural view of the pediatric visual examination device after the front end is cut open.

Fig. 12 is a schematic view showing the connection of electronic components of the vision device of the present invention.

FIG. 13 is a schematic view showing a process of assembling a swab with the clinical examination apparatus of the present invention.

FIG. 14 is a schematic view showing a cotton swab being assembled with the clinical testing apparatus of this family.

Fig. 15 is a schematic view of the fixing of the cotton swab by the clinical examination apparatus of the present invention.

Fig. 16 is a schematic diagram of the principle of sliding the sliding key to eject the cotton swab.

In the figure, 1, a camera, 2, a central hole, 3, a light source, 4, an end cap, 5, a sliding key, 6, a lighting switch, 7, a shooting key, 701, a shooting key, 702, a video key, 8, an end cover, 9, a pen clip, 10, a main body, 11, a normally open type press switch, 111, a push rod, 112, a shell, 113, an electrode contact, 114, a metal sheet, 115, a reset spring, 12, a button, 13, a push spring, 14, a push-pull ring, 15, an anti-slip groove, 16, a plug-in terminal, 17, a clamping flap, 18, a sliding arm, 19, a placing seat, 20, a sliding groove, 21, a battery, 22, a controller, 23, a placing cavity, 24, a guide mechanism, 241, a guide groove, 242, a guide rib, 25, a chamfer, 26, a traction mechanism, 261, a T-shaped groove, 262, a non-return claw, 27, an anti-slip pattern, 28 and a cotton swab.

Detailed Description

Referring to fig. 1-4 and 12, the pediatric visual examination device disclosed by the invention comprises a main body 10, a battery 21 and a controller 22 are arranged inside the main body 10, an illumination switch 6 and a shooting key 7 are arranged outside the main body 10, the illumination switch 6 and the shooting key 7 are arranged on the side of the main body 10 so as to be operated quickly during the process of holding the main body 10, and a setting seat 19 is arranged at the front end of the main body 10; a storage module and a data transmission module are integrated in the controller 22; the end cap 4 is arranged at the front side of the placing seat 19;

referring to fig. 1, 3, 5, 6, 7, and 13, the end cap 4 is hollow, i.e., has an inner cavity, the center of the front end of the end cap 4 is provided with a central hole 2, the central hole 2 can be used for inserting the tail end of a cotton swab 28, two clamping flaps 17 are arranged in the end cap 4, the two clamping flaps 17 are symmetrical in shape and distributed on two sides of the central axial pair of the central hole 2, one side of the two clamping flaps 17 opposite to each other is provided with an anti-slip groove 15, the anti-slip grooves 15 of the two clamping flaps 17 can be matched to clamp the cotton swab 28, the two clamping flaps 17 are limited by a guide mechanism 24 and can only move back and forth in an oblique stroke, the two clamping flaps 17 are gradually far away from each other when moving back and gradually close to each other when moving back;

referring to fig. 4, 8, 9, 11, 15, and 16, a mounting cavity 23 is formed in the mounting seat 19, a push-pull ring 14 is installed in the mounting cavity 23, the push-pull ring 14 is annular and can allow a swab 28 to pass therethrough, the push-pull ring 14 can only move back and forth in the mounting cavity 23, the front end of the push-pull ring 14 is respectively connected to the rear ends of the two clamping flaps 17 through two traction mechanisms 26, so that the two clamping flaps 17 are driven to move in respective oblique strokes when the push-pull ring 14 moves back and forth, a push-push spring 13 is installed on the rear side of the push-pull ring 14, the push-pull ring 14 provides a pushing force by the push-push spring 13 to always provide a forward acting force for the two clamping flaps 17, the two clamping flaps 17 will move forward under the action of the push-pull ring 14 and finally keep always moving forward, thereby the two anti-slip grooves 15 clamp the swab 28; one side of the push-pull ring 14 is connected with a slide arm 18, a sliding groove 20 is formed in the placing seat 19, the slide arm 18 penetrates through the sliding groove 20 and can move back and forth in the sliding groove 20, the slide arm 18 is fixedly connected with a slide key 5, and the slide key 5 is positioned on the outer side of the placing seat 19; when the sliding key 5 is manually driven to move backwards, the pull ring 14 can drive the two clamping flaps 17 to move backwards in respective inclined strokes, so that the two anti-sliding grooves 15 do not clamp the cotton swab 28 any more; a normally open type press switch 11 is fixed at the rear end of the placing cavity 23, the normally open type press switch 11 is provided with a button 12 which can move back and forth and can automatically reset forward, the button 12 is positioned right behind the central hole 2 and is used for abutting against the tail end of the cotton swab 28, the button 12 is driven by external force to move backward so that the normally open type press switch 11 can reach a closed state, and the normally open type press switch 11 is adjusted to be in a disconnected state after the button 12 resets forward;

referring to fig. 1, 11 and 12, the front end of the end cap 4 is provided with a light source 3 and a camera 1 which are positioned outside the central hole 2 and connected with a controller 22; the light source 3 is connected with two parallel power supply lines, one power supply line is controlled to be in an on-off state by the lighting switch 6, and the other power supply line is controlled to be in an on-off state by the normally-open type press switch 11; the working state of the camera 1 is adjusted by the shooting key 7, the data shot and acquired by the camera 1 are stored in the storage module, and can also be transmitted and stored in third-party equipment based on the data transmission module, and meanwhile, the image shot by the camera 1 can also be displayed in real time in a display screen of the third-party equipment based on the data transmission module.

The working principle and the using method of the pediatric visual inspection device are as follows:

as shown in fig. 1 and 2, the pediatric visual examination device can be used as a common medical flashlight and a shooting device, can meet the illumination requirement in clinical examination by means of the light source 3, can shoot by means of the camera 1 according to the clinical requirement, and can play a role of light supplement in the shooting process so as to improve the shooting effect;

as shown in fig. 13, 14 and 15, when clinical examination is performed on the interior of the oral cavity or the throat of the pediatric patient, the cotton swab 28 is pinched through the packaging bag, the tail end of the cotton swab 28 is inserted into the central hole 2 and pushed backward, when the tail end of the cotton swab 28 contacts the anti-slip grooves 15 of the two clamping flaps 17, the two anti-slip grooves 15 are subjected to backward acting force, so that the two clamping flaps 17 move backward, the clamping effect of the two anti-slip grooves 15 on the cotton swab 28 is gradually reduced along with the backward movement of the clamping flaps 17, so that the tail end of the cotton swab 28 can pass through the two anti-slip grooves 15 and move backward, finally, the tail end of the cotton swab 28 abuts against the button 12 of the normally open type press switch 11 and pushes the button 12 backward, when the cotton swab 28 cannot be pushed backward, the cotton swab 28 is released, that is, that the installation of the cotton swab 28 is completed, and at this time, the normally open type press switch 11 is in a closed state, that is the light source 3 is in an illumination state; after the cotton swab 28 is installed, the pushing spring 13 provides pushing force, the pushing pull ring 14 drives the two clamping flaps 17 to move forwards and finally always keeps the trend of moving forwards, so that the two anti-slip grooves 15 firmly clamp the cotton swab 28, the main body 10 can be held to perform corresponding visual examination operation, the cotton swab 28 can be used for carrying out operations such as supporting and pressing on the lip, the inner wall of the oral cavity or the tongue and the like in the visual examination process, and the light source 3 can illuminate an affected part in the visual examination process, so that the observation judgment effect and the examination efficiency of the focus part are improved;

as shown in fig. 12, the pediatric visual examination device can be connected to a third-party device with a development function, such as a mobile phone and a computer, based on a data transmission module, and can obtain a high-definition real-time electronic image by means of the camera 1 and a display screen of the third-party device according to actual clinical needs in the visual examination process, so that the visual examination effect is improved, and meanwhile, a focus image can be shot in the visual examination process to be stored as a medical image in a patient medical record file, so that a sufficient basis is provided for the comparative analysis of the medical effect before and after the course of disease;

after the inspection is finished, as shown in fig. 16, the cotton swab 28 is aligned with the medical waste recovery container, the sliding key 5 is manually driven to move backwards, the pulling ring 14 is pushed to drive the two clamping flaps 17 to move backwards, the clamping effect of the two anti-sliding grooves 15 on the cotton swab 28 is gradually weakened until the clamping effect disappears, the button 12 of the normally open type press switch 11 is reset forwards to close the light source 3, the cotton swab 28 is pushed by the button 12 to be ejected from the central hole 2 into the medical waste recovery container, and the used cotton swab 28 is detached.

Referring to fig. 14, the pediatric visual examination device can be used in combination with a cotton swab 28 in clinical use, so that the device can be held to apply force, the visual examination operation in the oral cavity or in the throat can be completed conveniently by one hand, and the device is convenient and quick.

Referring to fig. 12, the pediatric visual examination device has functions of illumination and shooting, can be connected with a third-party device, can clearly observe and judge a focus part in the visual examination process, can obtain an electronic image of the focus part as required, and provides a basis for subsequent treatment, so that the visual examination efficiency and the diagnosis and treatment effect can be effectively improved.

Referring to fig. 14, when the pediatric visual examination device is used with a cotton swab 28, the main body 10 can firmly fix the rear end of the cotton swab 28, so that the cotton swab 28 is prevented from occupying a large length when being held by a hand, which is equivalent to increasing the effective use length of the cotton swab 28, and the device can completely replace the function of a tongue depressor, thereby avoiding the need of additionally arranging the tongue depressor and saving the medical cost to a certain extent.

The illumination function and the shooting function of the vision examination device for the department of children can work independently, namely the vision examination device for the department of children can be used as a medical flashlight and a medical shooting device, and has wide application in clinical operation.

The normally open type push switch 11 in the pediatric visual inspection device has various functions, on one hand, as shown in fig. 12, the normally open type push switch 11 can adjust the working state of the light source 3 according to the installation state of the cotton swab 28, the light source 3 reaches the illumination state after the cotton swab 28 is installed, the light source 3 stops working after the cotton swab 28 is detached, and the operation link of manually adjusting the working state of the light source 3 is omitted; on the other hand, as shown in fig. 15, after the cotton swab 28 is installed, the button 12 of the normally open type push switch 11 provides a forward pushing force for the cotton swab 28, so that a static friction force is provided between the cotton swab 28 and the anti-slip groove 15 of the clamping flaps 17, which is beneficial to enabling the two clamping flaps 17 and the cotton swab 28 to achieve a tensioned matching state, and the matching is more stable; on the other hand, as shown in fig. 16, when the cotton swab 28 is detached, the cotton swab 28 can be ejected from the central hole 2 in a forward resetting process of the button 12, so that hands or other clamping devices are not required to be in contact with the used cotton swab 28, the operation is quicker and safer, and in addition, because the moving stroke of the button 12 of the normally-open type press switch 11 is usually smaller, and the resetting force is not usually too large, even if the sliding key 5 is mistakenly operated in the checking process, the cotton swab 28 cannot be ejected at a high speed to hurt a patient; therefore, the normally-open type push switch 11 has the effect of serving multiple purposes in the pediatric visual examination device, the component utilization rate of the pediatric visual examination device is improved, and the compactness of the structure is ensured under the condition of obviously improving the performance of the pediatric visual examination device.

This department's visual inspection device is in clinical use, separates the wrapping bag and pinches cotton swab 28 and insert centre bore 2 and accomplish the installation of cotton swab 28 promptly, and the sliding key 5 that slides after the use is accomplished can make cotton swab 28 pop out for the group of tearing open of cotton swab 28 is very convenient and fast, and especially doctor's hand need not directly to contact with cotton swab 28 in operation process, has avoided the emergence of cross infection condition.

This department's visual inspection device is in clinical use, when being fixed in this department's visual inspection device with cotton swab 28, the operation that follows must be to the inside of oral cavity or throat portion carry out the visual inspection, must take off disposable cotton swab 28 after using after the visual inspection is accomplished, this department's visual inspection device is just ingenious this law of utilization, after cotton swab 28 and main part 10 fixed connection, light source 3 is the illumination state, and take off cotton swab 28 after, light source 3 is the off-state, need not to carry out solitary regulation to light source 3's operating condition when carrying out the visual inspection with cotton swab 28 cooperation, and is convenient and fast, and medical efficiency has effectively been improved.

Referring to fig. 14 and 15, based on the specific structure adopted by the pediatric visual examination device, when the cotton swab 28 is subjected to a forward external force during the visual examination of the inside of the mouth or the throat of the pediatric patient, the cotton swab 28 will apply a forward pushing force to the two clamping flaps 17 through a friction force, and then the clamping force of the anti-slip grooves 15 of the two clamping flaps 17 on the cotton swab 28 will be further increased, i.e., the greater the forward force applied to the cotton swab 28, the greater the clamping force applied to the cotton swab 28 by the anti-slip grooves 15, so that the stability of the combination of the cotton swab 28 and the pediatric visual examination device can be ensured, and the cotton swab 28 can be prevented from slipping from the central hole 2 during the visual examination process.

Referring to fig. 11 and 15, in the vision apparatus for children department, the anti-slip grooves 15 should have good anti-slip effect as the name implies, so as to ensure that the cotton swab 28 is not easy to move back and forth after the two anti-slip grooves 15 clamp the cotton swab 28, and there are various embodiments for improving the anti-slip effect of the anti-slip grooves 15, for example, the groove walls of the anti-slip grooves 15 may be roughened, or anti-slip linings made of anti-slip materials may be installed on the groove walls of the anti-slip grooves 15.

Referring to fig. 1 and 2, in the pediatric visual examination device disclosed above, the outer contours of the main body 10, the setting seat 19 and the end cap 4 are all cylindrical, so that the pediatric visual examination device is cylindrical in shape and convenient to hold and use, and the rear end of the main body 10 is provided with the pen clip 9, so that a doctor can conveniently put the pediatric visual examination device into a pocket for carrying during ward round or home visit.

Referring to fig. 3 and 4, in the pediatric vision device disclosed above, the main body 10 and the seat 19 are of an integral structure and made of plastic.

Referring to fig. 3-5, in the pediatric visual examination device disclosed above, the seat 19 and the end cap 4 are connected by a plug structure, the opposite ends of the seat and the end cap are provided with mating plug terminals 16, and the light source 3 and the camera 1 are electrically connected to the controller 22 based on the plug terminals 16; based on the structure, when the pediatric visual examination device is processed and manufactured, the main body 10, the placing seat 19 and the electrical elements in the end cap 4 are respectively installed, and in the process of splicing and combining the placing seat 19 and the end cap 4, the splicing terminals 16 are just matched and connected, so that the light source 3 and the camera 1 are electrically connected with the electrical elements in the main body 10 and the placing seat 19, the implementation difficulty is reduced, and the processing efficiency is improved; in addition, the placing seat 19 and the end cap 4 can also be provided with means such as fixing glue or locking screws to improve the strength of the two after being inserted and connected.

Referring to fig. 8, in the pediatric visual examination device disclosed in the above publication, the slide key 5 is provided with anti-slip lines 27 on the side wall thereof to facilitate the movement of the slide key 5 by the fingers of the doctor.

Referring to fig. 6, in the pediatric visual examination device disclosed above, the front end of the anti-slip groove 15 is provided with a chamfer 25, so that the front end of the anti-slip groove 15 is flared, thereby ensuring that the tail end of the cotton swab 28 can be smoothly inserted between the two anti-slip grooves 15 when the cotton swab 28 is installed.

Referring to fig. 4, in the pediatric visual examination device disclosed above, the main body 10 is provided with an inner cavity having an open rear end, the battery 21 and the controller 22 are disposed in the inner cavity, the end cap 8 for sealing the rear end of the inner cavity is disposed at the rear end of the main body 10, and the main body 10 is threadedly coupled to the end cap 8.

Referring to fig. 5-7, in the pediatric examining device disclosed above, the guiding mechanism 24 is used to provide a limiting and guiding function for the clip flap 17, so that the clip flap 17 can move back and forth only in a slant stroke, and the guiding mechanism 24 has various implementation structures, which can be implemented as follows:

the guide mechanism 24 comprises a guide groove 241 and a guide rib 242, the guide rib 242 can only slide along the guide groove 241, the guide groove 241 is arranged on the side wall of the inner cavity of the end cap 4, and the guide rib 242 is fixed on the clamping flap 17 and is positioned on the other side opposite to the anti-slip groove 15; the guide grooves 241 of the two guide mechanisms 24 are symmetrically distributed about the central axis of the central hole 2, and the two guide grooves 241 and the central axis of the central hole 2 are located in the same plane.

Referring to fig. 7-9, in the pediatric examination device disclosed above, the traction mechanism 26 is disposed between the push-pull ring 14 and the two clamping flaps 17 for enabling the push-pull ring 14 to move the two clamping flaps 17; because the moving directions of the two clamping flaps 17 and the pushing ring 14 are not consistent when the pushing ring 14 moves back and forth, and the two clamping flaps 17 respectively have a partial displacement perpendicular to the central axis direction of the central hole 2, the traction mechanism 26 needs to allow the two clamping flaps 17 to move in the central axis perpendicular direction of the central hole 2, and based on the above characteristics, the traction mechanism 26 can be implemented by adopting a connecting rod, a composite sliding mechanism and other structures, and preferably adopts the following structure:

the traction mechanism 26 comprises a T-shaped groove 261 and a non-return claw 262, the T-shaped groove 261 is arranged at the rear end of the clamping flap 17, the extending direction of the T-shaped groove 261 is perpendicular to the central axis of the central hole 2, the non-return claw 262 is fixed at the front end of the push-pull ring 14, the non-return claw 262 can be inserted into the T-shaped groove 261 and cannot be removed backwards, and the non-return claw 262 can slide in the T-shaped groove 261; based on the structure, when the push-pull ring 14 moves forwards, the clamping piece 17 is pushed by the front end to move, when the push-pull ring 14 moves backwards, the T-shaped groove 261 is pulled by the check claw 262 to drive the clamping piece 17 to move, and during the movement of the push-pull ring 14 and the clamping piece 17, the check claw 262 can slide in the T-shaped groove 261 to meet the relative position change of the clamping piece 17 and the push-pull ring 14;

after traction mechanism 26 adopts above-mentioned structure, on the one hand the structure is comparatively simple, and work is comparatively stable, on the other hand, when processing the preparation to this department's visual inspection device, can install setting seat 19 and the inside part between end cap 4 respectively earlier, after that again carry out the equipment of end cap 4 and setting seat 19, make corresponding non return claw 262 insert corresponding T type groove 261 in end cap 4 and the setting seat 19 assembling process, accomplished the stable connection of push-pull ring 14, clamp lamella 17 and traction mechanism 26 promptly, easily operation, high efficiency is swift.

Referring to fig. 1 and 14, in the pediatric visual inspection apparatus disclosed above, two light sources 3 are provided and respectively distributed on two opposite sides of the central hole 2, the operating states of the two light sources 3 are kept synchronous, and the two light sources 3 operate simultaneously during the visual inspection, so as to improve the illumination range, brightness and light uniformity, and avoid the reduction of the observation effect due to the light shielded by the cotton swab 28.

Referring to fig. 1 and 14, in the pediatric visual examination device disclosed above, two cameras 1 are provided and respectively distributed on two opposite sides of the central hole 2, the two cameras 1 are controlled by the shooting key 7 to simultaneously work, and during the visual examination, the two cameras 1 simultaneously work, so that the angle range and the definition of image taking are improved, and the phenomenon that the cotton swab 28 blocks light to reduce the shooting effect is avoided.

Referring to fig. 1 and 4, in the pediatric visual inspection apparatus disclosed above, the two photographing keys 7 are arranged and distributed back and forth, and are a photographing key 701 and a video recording key 702; therefore, in the clinical visual examination process, doctors can conveniently and quickly obtain pictures or videos of the focus parts according to actual needs.

In the pediatric visual examination device, the data transmission module can be implemented based on data transmission technologies such as Bluetooth, infrared, GPRS, wifi and NB-IOT, is connected with a third-party device in a wireless transmission mode, and can also be connected with the third-party device through a data line to realize data transmission.

Referring to fig. 10, 11 and 15, in the pediatric examining device disclosed above, the normally open push switch 11 is a circuit switch type commonly used in the prior art, and can be directly used by selecting a suitable specification, so that the pediatric examining device is easy to implement, and at the same time, can be implemented by adopting the following structure:

the normally open type push switch 11 comprises a shell 112, the shell 112 is fixed at the rear end of the mounting cavity 23, a metal sheet 114 capable of moving back and forth is limited in the shell 112, the metal sheet 114 is connected with a push rod 111 extending forwards, the button 12 is connected at the front end of the push rod 111, a return spring 115 is sleeved outside the push rod 111, two ends of the return spring 115 respectively abut against the shell 112 and the button 12, and an electrode contact 113 connected into a power supply line is fixed at the rear end of the shell 112; when the button 12 is pressed backward, the metal sheet 114 contacts with the two electrode contacts 113 to make the power supply line reach the on state, and when the button 12 is not applied with an external force, the metal sheet 114 moves forward under the urging of the return spring 115 without contacting with the electrode contacts 113.

Claims

1. The utility model provides a paediatrics visual examination device, includes the main part, its characterized in that: a battery and a controller are arranged in the main body, a lighting switch and a shooting key are arranged outside the main body, and a placing seat is arranged at the front end of the main body; a storage module and a data transmission module are integrated in the controller; the front side of the placing seat is provided with an end cap with a hollow inner part; the cotton swab clamping device comprises an end cap, a guide mechanism and a cotton swab, wherein a center hole for inserting the tail end of a cotton swab is formed in the center of the front end of the end cap, two clamping flaps which are symmetrical in shape and distributed on two opposite sides of the center hole in the axial direction of the center hole are arranged in the end cap, an anti-slip groove is formed in each of opposite sides of the two clamping flaps for clamping the cotton swab, the two clamping flaps are limited by the guide mechanism and can move back and forth in an oblique stroke, the two clamping flaps are gradually far away from each other when moving back and forth at the same time, and the two clamping flaps are gradually close to each other when moving back and forth; the cotton swab placing seat is characterized in that a placing cavity is formed in the placing seat, a push-pull ring which can move back and forth and can allow a cotton swab to pass through is arranged in the placing cavity, the push-pull ring is respectively connected with the two clamping flaps through two traction mechanisms, so that the two clamping flaps are driven to move in an inclined stroke when the push-pull ring moves back and forth, and the push-pull ring provides thrust by a push spring and always provides forward acting force for the two clamping flaps so that the two anti-slip grooves clamp the cotton swab tightly; one side of the push-pull ring is connected with a sliding arm, a sliding groove is formed in the placing seat, the sliding arm penetrates through the sliding groove and can move back and forth in the sliding groove, and the sliding arm is fixedly connected with a sliding key positioned on the outer side of the placing seat; when the sliding key moves backwards, the push-pull ring drives the two clamping flaps to move backwards, so that the two anti-skidding grooves can not clamp the cotton swab any more; a normally open type press switch is fixed at the rear end of the mounting cavity, the normally open type press switch is provided with a button which can move back and forth and can automatically reset forwards, and the button is positioned right behind the central hole and used for abutting against the tail end of the cotton swab; the front end of the end cap is provided with a light source and a camera which are positioned outside the central hole and connected with the controller; the light source is connected with two parallel power supply lines, one power supply line is controlled to be in an on-off state by the lighting switch, and the other power supply line is controlled to be in an on-off state by the normally-open type press switch; the working state of the camera is adjusted by a shooting key.

2. The pediatric vision inspection device of claim 1, wherein: the light source is connected with two parallel power supply lines, one power supply line is controlled to be in an on-off state by the lighting switch, and the other power supply line is controlled to be in an on-off state by the normally-open type press switch; the working state of the camera is adjusted by a shooting key.

3. The pediatric vision inspection device of claim 1, wherein: the main body and the placing seat are of an integral structure and are made of plastics.

4. The pediatric vision inspection device of claim 1, wherein: the placing seat and the end cap are connected through a plug-in structure, the opposite end parts of the placing seat and the end cap are provided with matched plug-in terminals, and the light source and the camera are electrically connected with the controller based on the plug-in terminals.

5. The pediatric visualization device of claim 1, wherein: the side wall of the sliding key is provided with anti-skidding lines.

6. The pediatric visualization device of claim 1, wherein: the front end of the anti-skid groove is provided with a chamfer angle, so that the front end of the anti-skid groove is trumpet-shaped.

7. The pediatric vision inspection device of claim 1, wherein: the main body is provided with an inner cavity with an open rear end, the battery and the controller are arranged in the inner cavity, the rear end of the main body is provided with an end cover for plugging the rear end of the inner cavity, and the main body is in threaded connection with the end cover.

8. The pediatric vision inspection device of claim 1, wherein: the two light sources are respectively distributed on two opposite sides of the central hole, and the working states of the two light sources are kept synchronous.

9. The pediatric visualization device of claim 1, wherein: the camera be provided with two, distribute respectively in the central hole to the both sides to right, two cameras are regulated and control and work simultaneously by the shooting key.

10. The pediatric visualization device of claim 1, wherein: the shooting key be provided with two and distribute around and, be the key of shooing and record a video key respectively.