CN213189476U

CN213189476U - Pupil pen capable of accurately measuring pupil size

Info

Publication number: CN213189476U
Application number: CN202020207723.XU
Authority: CN
Inventors: 张亚飞
Original assignee: Shanghai Pudong Hospital Fudan University Pudong Medical Center
Current assignee: Shanghai Pudong Hospital Fudan University Pudong Medical Center
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2021-05-14
Anticipated expiration: 2030-02-25

Abstract

The utility model relates to a medical equipment technical field specifically is a pupil pen of accurate measurement pupil size, including pupil pen and terminal equipment, pupil pen is the prismatic form of round edge rectangle, pupil pen front end is equipped with the line frame shape calibration frame of four sides fretwork, be equipped with laser sensor on the first and last tail end point of diagonal down to the right side of calibration frame, the central authorities of calibration frame are equipped with the camera, the upper surface of pupil pen is equipped with equipment switch, the lower surface of pupil pen is equipped with the digital display module, the bottom surface of pupil pen is equipped with type-C interface. The utility model discloses utilize the accurate convenient patient's under the natural light pupil true value of measurement of camera shooting method.

Description

Pupil pen capable of accurately measuring pupil size

Technical Field

The utility model relates to a medical equipment technical field specifically is a pupil pen of accurate measurement pupil size.

Background

Pupil measurement has a wide range of medical applications, and is generally used for disease judgment, quantitative analysis and pupil evaluation, which are of great clinical significance, especially in emergency treatment and examination and monitoring in intensive care departments.

The existing method for measuring the pupil includes a method for measuring by using a ruler, for example, normally under natural light, when the eyes look straight and look far, a ruler for measuring the pupil aperture or a ruler used in ordinary times is generally used, and horizontal measurement is performed from the left edge to the right edge of the boundary of the pupil, or a special pupil aperture ruler is used for measurement. The size of the pupil varies, with a normal diameter in the range of 2.5 to 4 mm; furthermore, the size of the pupil can be estimated by visual inspection by an experienced physician, and the accuracy of such measurement methods is difficult to guarantee. In addition, in the prior art, the three measurement methods of the Rosebaum Pupillometer, the camera shooting method and the Pupillometer Pupillometer are the most accurate and natural in measurement, but the camera shooting method is heavy and cumbersome in equipment and needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pupil pen of accurate measurement pupil size to solve the problem of proposing in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an accurate pupil pen of measuring pupil size, includes pupil pen and terminal equipment, the prism form of pupil pen for the round edge rectangle, pupil pen front end is equipped with the line frame shape calibration frame of four sides fretwork, be equipped with laser sensor on the first tail end point of upper left to lower right diagonal of calibration frame, the central authorities of calibration frame are equipped with the camera, the upper surface of pupil pen is equipped with equipment switch, the lower surface of pupil pen is equipped with digital display module, the bottom surface of pupil pen is equipped with type-C interface.

Preferably, a power supply is arranged at the bottom inside the pupil pen, a buzzer is further arranged inside the pupil pen, and the circuit part of the pupil pen further comprises a single chip microcomputer and a wireless module.

Preferably, the laser sensor output is connected with the single chip microcomputer, the power output is connected with the single chip microcomputer and the wireless module, the single chip microcomputer is in interactive connection with the camera, the single chip microcomputer is also in interactive connection with the wireless module, the wireless module is in interactive connection with the terminal equipment, and the single chip microcomputer is in output connection with the buzzer and the digital display module.

Preferably, the wireless data transmission of the wireless module can be replaced by a wired data transmission connection through a type-C interface.

Preferably, the buzzer can be replaced by digital flashing of the digital display module.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model uses the camera shooting method to measure the pupil distance, the device is small and convenient to use, and is more accurate and convenient compared with the measurement of a distance measuring ruler; meanwhile, the computing resources of the terminal equipment can be called, the equipment speed is improved, and meanwhile pupil data of the patient can be synchronously stored; compared with the device measurement based on the illumination principle, the system error of the pupil caused by illumination amplification is avoided, and the measurement data is natural and real.

Drawings

FIG. 1 is a schematic front view of the overall structure of the present invention;

FIG. 2 is a schematic view of the back side of the overall structure of the present invention;

fig. 3 is a schematic cross-sectional view of the present invention;

FIG. 4 is a schematic circuit topology diagram of the present invention;

fig. 5 is a flowchart of the present invention.

In the figure: 1. a pupil pen; 11. a calibration frame; 12. a digital display module; 13. a laser sensor; 14. a camera; 15. a type-C interface; 16. a device switch; 100. a single chip microcomputer; 101. a wireless module; 102. a power source; 103. a buzzer; 200. and (4) terminal equipment.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-5, the present invention provides a technical solution:

the utility model provides an accurate pupil pen of measuring pupil size, including pupil pen 1 and terminal equipment 200, pupil pen 1 is the prismatic form of round edge rectangle, and pupil pen 1 front end is equipped with the line frame shape calibration frame 11 of four sides fretwork, is equipped with laser sensor 13 on the first and the last tail end point of diagonal under the upper left side of calibration frame 11 to the right, and the central authorities of calibration frame 11 are equipped with camera 14, and pupil pen 1's upper surface is equipped with equipment switch 16, and pupil pen 1's lower surface is equipped with digital display module 12, and pupil pen 1's bottom surface is equipped with type-C interface 15.

The power supply 102 is arranged at the bottom inside the pupil pen 1, the buzzer 103 is further arranged inside the pupil pen 1, and the circuit part of the pupil pen 1 further comprises the single chip microcomputer 100 and the wireless module 101.

The output of the laser sensor 13 is connected with the singlechip 100, the output of the power supply 102 is connected with the singlechip 100 and the wireless module 101, the singlechip 100 is interactively connected with the camera 14, the singlechip 100 is also interactively connected with the wireless module 101, the wireless module 101 is interactively connected with the terminal equipment 200, and the output of the singlechip 100 is connected with the buzzer 103 and the digital display module 12.

The single chip microcomputer 100 adopted in the embodiment adopts an STM32 development board, and the camera 14 adopts a b111 type camera 14 of a CMOS photosensitive element; the adopted wireless module 101 is an ESP8266 WIFI module; the adopted digital display module 12 is 12V step-down digital display; the laser sensor 13 used is a TFmini Plus laser range radar. It should be noted that the present design does not involve the improvement of the selected electronic components, and the worker in the art can have full operational capability.

The wireless data transmission of the wireless module 101 can be replaced by wired data transmission connection through the type-C interface 15, and under the design, the data can be transmitted in two modes of wired transmission and wireless transmission.

The buzzer 103 can be replaced by digital flashing of the digital display module 12, namely, the working state is prompted by the digital flashing of the digital display module 12.

Referring to fig. 5, the working process of the present invention is: firstly, moving a pupil pen 1, aligning a calibration frame 11 to a pupil to be measured, sending a camera shooting starting instruction to a single chip microcomputer 100 when a laser sensor 13 on a diagonal line of the calibration frame simultaneously obtains a feedback signal, and continuously shooting a plurality of pictures by a camera 14; when the camera 14 takes a picture, the laser sensor 13 starts to measure the distance and sends the distance information to the singlechip 100, and the singlechip 100 takes the distance average value of the two sensors; then the wireless module 101 sends the image information and the distance information in the singlechip 100 to the terminal device 200, the terminal calls image J image processing software to obtain the measured value of the pupil size, and a scale is calculated by using the distance information measured by the laser sensor 13 to convert the measured value of the pupil size into an actual value; finally, the wireless module 101 sends the actual value of the pupil size from the terminal back to the singlechip 100 to be displayed through the digital display module 12; the buzzer 103 gives a prompt when the data measured by the laser sensor 13 and the digital display occur.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a pupil pen of accurate measurement pupil size, includes pupil pen (1) and terminal equipment (200), its characterized in that: pupil pen (1) is the prismatic form of round edge rectangle, pupil pen (1) front end is equipped with wire frame shape calibration frame (11) of four sides fretwork, be equipped with laser sensor (13) on the first tail end point of upper left to lower right diagonal of calibration frame (11), the central authorities of calibration frame (11) are equipped with camera (14), the upper surface of pupil pen (1) is equipped with equipment switch (16), the lower surface of pupil pen (1) is equipped with digital display module (12), the bottom surface of pupil pen (1) is equipped with type-C interface (15).

2. The pupil pen for accurately measuring the size of the pupil according to claim 1, wherein: the pupil pen is characterized in that a power supply (102) is arranged at the bottom inside the pupil pen (1), a buzzer (103) is further arranged inside the pupil pen (1), and the circuit part of the pupil pen (1) further comprises a single chip microcomputer (100) and a wireless module (101).

3. The pupil pen for accurately measuring the size of the pupil as claimed in claim 2, wherein: laser sensor (13) output connection singlechip (100), power (102) output connection singlechip (100) and wireless module (101), singlechip (100) interconnect camera (14), singlechip (100) still interconnect wireless module (101), wireless module (101) interconnect terminal equipment (200), singlechip (100) output connection bee calling organ (103) and digital display module (12).

4. The pupil pen for accurately measuring the size of the pupil as claimed in claim 2, wherein: the wireless data transmission of the wireless module (101) can be replaced by a wired data transmission connection through a type-C interface (15).

5. The pupil pen for accurately measuring the size of the pupil as claimed in claim 2, wherein: the buzzer (103) can be replaced by digital flashing of the digital display module (12).