A portable pupil reflex identification observation pen

Abstract

The application provides a portable pupil reflex recognition observation pen, which comprises a shell assembly, a power supply assembly and a collection assembly; the shell assembly comprises a pen-shaped shell, a front-end shell, a front-end cover and a display screen, the rear end of the front-end shell is threadedly connected with the front end of the pen-shaped shell, the front-end cover is fixedly buckled at the front end of the front-end shell, and the display screen is fixedly embedded on the outer wall of the pen-shaped shell. An image collection assembly, a lamp source mounting circuit board, an infrared light supplement lamp and a visible light stimulation lamp are arranged in the front-end shell, the infrared light supplement lamp and the visible light stimulation lamp are respectively connected to different driving ends of the circuit board, so that the observation pen can collect the pre-stimulation pupil image under the infrared light supplement condition, then the visible light stimulation lamp forms light stimulation and collects the post-stimulation pupil change image, and thus the pupil observation process is changed from simple artificial visual observation to a combination of image collection and display output, which is convenient for medical staff to observe and record.

Description

Technical Field

[0001] This invention relates to the field of medical auxiliary observation equipment technology, and in particular to a portable pupil reflex recognition observation pen. Background Technology

[0002] Pupil size and pupillary light reflex are basic observation items commonly used in clinical nursing, emergency observation, and observation of neurological signs. Most of the pupil observation pens commonly used in clinical practice are ordinary flashlight-type structures. Medical staff shine the light source at the end of the pen onto the patient's eyes and then rely on the naked eye to observe the pupil size, pupillary contraction speed, and the presence of light reflex.

[0003] Although the aforementioned ordinary pupil observation pen has a simple structure and is easy to carry, its observation results mainly rely on the operator's experience and subjective judgment. For junior nurses or in scenarios such as night rounds or emergency resuscitation, the judgment of pupil diameter and reaction sensitivity is easily affected by the observation angle, ambient light, illumination time and individual experience differences, resulting in less objective recording results. Especially when it is necessary to continuously observe pupil changes, relying solely on the naked eye to judge whether the pupil is sensitive, dull or has no obvious reaction will have certain errors.

[0004] Currently, there are also instruments that can automatically measure pupil size. These instruments typically obtain pupil-related parameters through image acquisition and data processing. However, these devices are mostly stand-alone or large-volume detection devices, which are not as convenient to carry and use at the bedside as ordinary pupil pens. They cannot meet the needs of nursing staff to carry them with them, use them quickly, and read the results directly.

[0005] To address this, a portable pupil reflex recognition observation pen is proposed. Summary of the Invention

[0006] In view of this, the present invention provides a portable pupil reflex recognition observation pen to solve or alleviate the technical problems existing in the prior art, and at least provides a beneficial alternative.

[0007] The technical solution of the present invention is implemented as follows: a portable pupil reflex recognition observation pen, comprising a shell assembly, a power supply assembly, and a data acquisition assembly; The housing assembly includes a pen-shaped housing, a front housing, a front cover, and a display screen. The rear end of the front housing is threadedly connected to the front end of the pen-shaped housing. The front cover is fastened and fixed to the front end of the front housing. The display screen is embedded and fixed to the outer wall of the pen-shaped housing. The power supply component is mounted inside the pen-shaped housing along the axial direction of the pen-shaped housing; The acquisition component is installed inside the front housing. The acquisition component includes a circuit board, a front mounting base, an image acquisition component, a front fixing ring, a lamp source mounting board, an infrared supplementary light, and a visible light stimulation lamp. The outer wall of the front mounting base is fixedly connected to the inner wall of the front housing. The image acquisition component is embedded and fixed in the front mounting base, and the acquisition end of the image acquisition component faces the front cover. The front fixing ring is located on the front side of the front mounting base. The lamp source mounting circuit board is embedded and fixed in the front fixing ring. The infrared supplementary light and the visible light stimulation light are welded and fixed on the lamp source mounting circuit board and are distributed at intervals. The visible light stimulation light includes white LEDs and warm yellow LEDs. Both white LEDs and warm yellow LEDs are welded and fixed on the lamp source mounting circuit board and are electrically connected to different stimulation light driving ends of the circuit board. The image acquisition component, display screen, and power supply component are all electrically connected to the circuit board, and the infrared fill light and visible light stimulation light are electrically connected to different driving terminals of the circuit board.

[0008] Preferably, the housing assembly further includes a tail cover, which is threadedly connected to the tail end of the pen-shaped housing, and the power supply component is clamped between the tail cover and the acquisition component; a USB charging interface is embedded and fixed on the tail cover, and the USB charging interface is electrically connected to the battery through a charging management circuit.

[0009] Preferably, the power supply component includes a positive battery connection terminal, a battery, and a conductive spring. The positive battery connection terminal is fixed inside the pen-shaped housing near one end of the acquisition component. The positive terminal of the battery abuts against the positive battery connection terminal. The conductive spring is installed inside the tail cover, and one end of the conductive spring abuts against the negative terminal of the battery.

[0010] Preferably, the housing assembly further includes a start area, and the power supply assembly further includes a start switch button. The start area is integrally formed on the outer wall of the pen-shaped housing, and the start switch button is embedded in the start area and electrically connected to the circuit board.

[0011] Preferably, the acquisition component further includes a connecting ring, which is clamped between the front-end mounting base and the front-end fixing ring. The rear end of the connecting ring is fixedly connected to the front-end mounting base, and the front end of the connecting ring is fixedly connected to the front-end fixing ring.

[0012] Preferably, the lamp source mounting plate is a ring-shaped plate, and a central through hole is provided in the middle of the lamp source mounting plate for the image acquisition component to acquire images forward. The central through hole is coaxially arranged with the acquisition end of the image acquisition component.

[0013] Preferably, the infrared supplementary light and the visible light stimulation light are welded and fixed at intervals along the circumference of the lamp source mounting plate, and the infrared supplementary light and the visible light stimulation light are respectively located on the outer periphery of the central through hole.

[0014] Preferably, the circuit board is fixed to the rear side of the front mounting base. An image acquisition interface, a display interface, an infrared driving end, and a stimulation light driving end are formed on the circuit board. The image acquisition component is electrically connected to the image acquisition interface via a ribbon cable. The display screen is electrically connected to the display interface via a wire or ribbon cable. The infrared supplementary light is electrically connected to the infrared driving end via the first conductive line of the lamp source mounting plate. The visible light stimulation light is electrically connected to the stimulation light driving end via the second conductive line of the lamp source mounting plate.

[0015] The embodiments of the present invention have the following advantages due to the adoption of the above technical solutions: I. This invention integrates the power supply component, the data acquisition component, and the display screen into a pen-shaped housing. The overall structure still maintains a slender and portable structure similar to a regular pupil observation pen. Medical staff can use it by hand and carry it with them. It is suitable for bedside observation, night patrols, and rapid access in emergency scenarios.

[0016] II. The present invention sets up an image acquisition component, a lamp source mounting circuit board, an infrared supplementary light, and a visible light stimulation lamp in the front housing. The infrared supplementary light and the visible light stimulation lamp are respectively connected to different driving terminals of the circuit board, so that the observation pen can first acquire the pupil image before stimulation under infrared supplementary light conditions, and then form light stimulation through the visible light stimulation lamp and acquire the pupil change image after stimulation. Thus, the pupil observation process is transformed from simple manual visual inspection to a combination of image acquisition and display output, which is convenient for medical staff to observe and record.

[0017] Third, the lamp source mounting board of the present invention adopts a ring board structure. The acquisition end of the image acquisition component is arranged coaxially with the central through hole of the lamp source mounting board. The infrared supplementary light and the visible light stimulation light are distributed at intervals along the circumference of the lamp source mounting board, so that the supplementary light, stimulation and image acquisition are concentrated in the same area at the front end of the observation pen, which is conducive to improving the compactness of the front end structure and the assembly stability.

[0018] The above overview is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the invention will become readily apparent from the accompanying drawings and the following detailed description. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the overall front structure of the present invention; Figure 2 This is an exploded structural diagram of the present invention; Figure 3 This is a cross-sectional structural diagram of the present invention; Figure 4 This is an assembly structure diagram of the data acquisition component of the present invention; Figure 5 This is an exploded structural diagram of the acquisition component of the present invention; Figure 6 This is a schematic diagram of the overall rear view structure of the present invention.

[0021] Reference numerals: 10. Outer shell assembly; 11. Pen-shaped shell; 12. Tail cover; 121. USB charging port; 13. Start-up area; 14. Front shell; 15. Front cover; 16. Display screen; 20. Power supply assembly; 21. Battery positive connection terminal; 22. Battery; 23. Conductive spring; 24. Start switch button; 30. Acquisition assembly; 31. Circuit board; 32. Front mounting base; 33. Image acquisition assembly; 35. Front retaining ring; 36. Lamp source mounting board; 37. Infrared supplementary light; 38. Visible light stimulation lamp; 39. Connecting ring. Detailed Implementation

[0022] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of the invention. Therefore, the drawings and description are considered to be exemplary in nature and not restrictive.

[0023] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0024] like Figure 1-6 As shown, this embodiment of the invention provides a portable pupil reflex recognition observation pen, including a shell assembly 10, a power supply assembly 20, and a data acquisition assembly 30. The shell assembly 10 serves as the supporting structure for the entire observation pen. The power supply assembly 20 is used to supply power to the data acquisition assembly 30, the display screen 16, and the circuit board 31. The data acquisition assembly 30 is used to complete pupil image acquisition, infrared supplementary lighting, and visible light stimulation.

[0025] The outer casing assembly 10 includes a pen-shaped housing 11, a tail cap 12, a start area 13, a front housing 14, a front cover 15, and a display screen 16. The pen-shaped housing 11 has a long and thin cylindrical structure, making it easy for medical personnel to hold and carry. The rear end of the front housing 14 is threadedly connected to the front end of the pen-shaped housing 11, and the front cover 15 is fastened and fixed to the front end of the front housing 14. The display screen 16 is embedded and fixed to the outer wall of the pen-shaped housing 11 for displaying pupil observation data or prompt information. The tail cap 12 is threadedly connected to the tail end of the pen-shaped housing 11 for sealing the tail end of the pen-shaped housing 11 and limiting the power supply component 20. The start area 13 is integrally formed on the outer wall of the pen-shaped housing 11 for installing the start switch button 24.

[0026] The power supply component 20 is installed inside the pen-shaped housing 11 along its axial direction. The power supply component 20 includes a positive battery connection terminal 21, a battery 22, a conductive spring 23, and a start switch button 24. The positive battery connection terminal 21 is fixed inside the pen-shaped housing 11 near the acquisition component 30. The positive terminal of the battery 22 abuts against the positive battery connection terminal 21. The conductive spring 23 is installed inside the tail cover 12, with one end abutting against the negative terminal of the battery 22. The start switch button 24 is embedded in the start area 13 and electrically connected to the circuit board 31, used to trigger the observation pen to enter the working state. In this embodiment, a USB charging interface 121 is embedded and fixed on the tail cover 12. The USB charging interface 121 is electrically connected to the battery 22 through a charging management circuit. The battery 22 can be a rechargeable lithium battery. In the non-use state, an external charging cable can be plugged into the USB charging interface 121 to charge the battery 22. By arranging a USB charging port 121 at the tail cap 12, a charging connection can be achieved without changing the grip structure of the pen-shaped housing 11, making it convenient for observation pen to be reused in a clinical environment.

[0027] The image acquisition component 30 is installed inside the front housing 14. The image acquisition component 30 includes a circuit board 31, a front mounting base 32, an image acquisition component 33, a front fixing ring 35, a lamp source mounting board 36, an infrared supplementary light 37, a visible light stimulation lamp 38, and a connecting ring 39. The outer wall of the front mounting base 32 is fixedly connected to the inner wall of the front housing 14. The image acquisition component 33 is embedded and fixed within the front mounting base 32, with its acquisition end facing the front cover 15. The image acquisition component 33 may include a miniature camera for acquiring eye images including the pupil area.

[0028] The front fixing ring 35 is located on the front side of the front mounting base 32. The connecting ring 39 is clamped between the front mounting base 32 and the front fixing ring 35. The rear end of the connecting ring 39 is fixedly connected to the front mounting base 32, and the front end of the connecting ring 39 is fixedly connected to the front fixing ring 35. The lamp source mounting plate 36 is embedded and fixed in the front fixing ring 35. The lamp source mounting plate 36 is a ring plate with a central through hole in the middle for the image acquisition component 33 to acquire images forward. The central through hole is coaxially arranged with the acquisition end of the image acquisition component 33.

[0029] Both the infrared supplementary light lamp 37 and the visible light stimulation lamp 38 are welded and fixed on the lamp source mounting plate 36 and are distributed at intervals along the circumference of the lamp source mounting plate 36. The infrared supplementary light lamp 37 and the visible light stimulation lamp 38 are located on the outer periphery of the central through hole, so that the infrared supplementary light area, the visible light stimulation area and the image acquisition area correspond to each other, so as to complete the supplementary light, stimulation and acquisition in a small space at the front end of the observation pen.

[0030] In this embodiment, the visible light stimulation lamp 38 includes a white LED and a warm yellow LED. Both the white LED and the warm yellow LED are soldered and fixed to the lamp source mounting board 36, and are electrically connected to different stimulation light driving terminals of the circuit board 31 via different conductive lines on the lamp source mounting board 36. The white LED can be used for conventional pupillary light reflection observation, while the warm yellow LED can provide visible stimulation light of different color temperatures to meet the light source selection needs of different nursing observation scenarios or usage habits.

[0031] After the start switch button 24 is triggered, the circuit board 31 drives the white light LED or the warm yellow light LED to work according to the preset working mode, so that the observation pen can select between the white light stimulation mode and the warm yellow light stimulation mode.

[0032] Circuit board 31 is fixed to the rear side of front mounting base 32. Circuit board 31 forms an image acquisition interface, a display interface, an infrared driving end, and a stimulation light driving end. Image acquisition component 33 is electrically connected to image acquisition interface via ribbon cable, and display screen 16 is electrically connected to display interface via wire or ribbon cable. Infrared supplementary light 37 is electrically connected to infrared driving end via first conductive line of light source mounting board 36, and visible light stimulation light 38 is electrically connected to stimulation light driving end via second conductive line of light source mounting board 36. The infrared driving end and stimulation light driving end are independent of each other, so that circuit board 31 can control the operation of infrared supplementary light 37 and visible light stimulation light 38 respectively.

[0033] In this embodiment, the main control device on the circuit board 31 can be a low-power microcontroller, such as the CH32V003, CH32F203, GD32F103, or HC32L110 series microcontrollers; the image acquisition component 33 can be a miniature CMOS camera module, such as the GC0308, GC032A, GC2145, SP0828, or SP2508 type camera module; the display screen 16 can be a 0.49-inch to 0.96-inch OLED display screen, and the display interface can be an I2C interface or an SPI interface; When the present invention is in operation: medical staff hold the pen-shaped shell 11, with the front cover 15 facing the eyes of the person being observed, so that the acquisition direction of the image acquisition component 33 roughly corresponds to the eyes being observed. After pressing the start switch button 24, the battery 22 supplies power to the circuit board 31, and the circuit board 31 drives the acquisition component 30 to enter the pupil observation working state.

[0034] During pupil observation, circuit board 31 first drives infrared supplementary light 37 through infrared driving terminal. Infrared supplementary light 37 provides auxiliary light for image acquisition to the eye area. Image acquisition component 33 acquires eye image before stimulation under infrared supplementary light conditions. The eye image before stimulation includes the pupil area. Circuit board 31 drives visible light stimulation light 38 through stimulation light driving terminal. Visible light stimulation light 38 emits visible stimulation light towards the eye. Image acquisition component 33 continues to acquire eye image after stimulation to obtain pupil change image after stimulation.

[0035] Circuit board 31 acquires pupil observation data based on pre-stimulation and post-stimulation eye images. This data may include the pupil diameter before stimulation, the pupil diameter after stimulation, the change in pupil diameter, the percentage change in pupil diameter, or corresponding reaction prompts. Display screen 16 displays this pupil observation data or prompts, such as pupil diameter values, pupil change values, and prompts indicating a significantly weakened reaction or the need for retesting. This information is intended to assist medical personnel in pupil observation and recording and is not intended as a diagnostic conclusion.

[0036] When it is necessary to observe the other eye, the medical staff moves the front cover 15 to the front of the other eye and presses the start switch button 24 again. The circuit board 31 repeats the process of infrared supplementary light acquisition, visible light stimulation, post-stimulation image acquisition and display output, thereby obtaining observation data of both pupils respectively.

[0037] In this embodiment, the power supply component 20, the acquisition component 30, and the display screen 16 are integrated into the pen-shaped housing 11, so that the observation pen maintains a portable structure. The infrared supplementary light 37 and the visible light stimulation light 38 are respectively connected to different driving terminals of the circuit board 31, so that the observation pen can complete the pre-stimulation image acquisition and post-stimulation image acquisition in sequence. The pupil observation data or prompt information are directly displayed on the display screen 16, which is convenient for medical staff to read and record quickly.

[0038] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various variations or substitutions within the technical scope disclosed in the present invention, and these should all be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A portable pupil reflex recognition observation pen, characterized in that: It includes a housing assembly (10), a power supply assembly (20), and a data acquisition assembly (30); The outer casing assembly (10) includes a pen-shaped casing (11), a front casing (14), a front cover (15), and a display screen (16). The rear end of the front casing (14) is threadedly connected to the front end of the pen-shaped casing (11). The front cover (15) is fastened and fixed to the front end of the front casing (14). The display screen (16) is embedded and fixed to the outer wall of the pen-shaped casing (11). The power supply component (20) is mounted inside the pen-shaped housing (11) along the axial direction of the pen-shaped housing (11); The acquisition component (30) is installed inside the front housing (14). The acquisition component (30) includes a circuit board (31), a front mounting base (32), an image acquisition component (33), a front fixing ring (35), a lamp source mounting board (36), an infrared supplementary light lamp (37), and a visible light stimulation lamp (38). The outer wall of the front mounting base (32) is fixedly connected to the inner wall of the front housing (14). The image acquisition component (33) is embedded and fixed in the front mounting base (32), and the acquisition end of the image acquisition component (33) faces the front cover (15). The front fixing ring (35) is located on the front side of the front mounting base (32). The lamp source mounting board (36) is embedded and fixed in the front fixing ring (35). The infrared supplementary light (37) and the visible light stimulation light (38) are welded and fixed on the lamp source mounting board (36) and are distributed at intervals. The visible light stimulation light (38) includes a white light LED and a warm yellow light LED. The white light LED and the warm yellow light LED are respectively welded and fixed on the lamp source mounting board (36) and are respectively electrically connected to different stimulation light driving ends of the circuit board (31). The image acquisition component (33), the display screen (16) and the power supply component (20) are all electrically connected to the circuit board (31), and the infrared fill light (37) and the visible light stimulation light (38) are electrically connected to different driving ends of the circuit board (31).

2. The portable pupillary reflection recognition observation pen according to claim 1, characterized in that: The outer casing assembly (10) also includes a tail cap (12), which is threaded to the tail end of the pen-shaped housing (11). The power supply assembly (20) is clamped between the tail cap (12) and the acquisition assembly (30). A USB charging interface (121) is embedded and fixed on the tail cap (12), and the USB charging interface (121) is electrically connected to the battery (22) through a charging management circuit.

3. The portable pupillary reflection recognition observation pen according to claim 2, characterized in that: The power supply component (20) includes a battery positive connection terminal (21), a battery (22) and a conductive spring (23). The battery positive connection terminal (21) is fixed inside the pen-shaped housing (11) near one end of the acquisition component (30). The positive terminal of the battery (22) abuts against the battery positive connection terminal (21). The conductive spring (23) is installed inside the tail cover (12), and one end of the conductive spring (23) abuts against the negative terminal of the battery (22).

4. The portable pupillary reflection recognition observation pen according to claim 1, characterized in that: The housing assembly (10) further includes a start area (13), and the power supply assembly (20) further includes a start switch button (24). The start area (13) is integrally formed on the outer wall of the pen-shaped housing (11), and the start switch button (24) is embedded in the start area (13) and electrically connected to the circuit board (31).

5. The portable pupillary reflection recognition observation pen according to claim 1, characterized in that: The acquisition component (30) also includes a connecting ring (39), which is clamped between the front mounting base (32) and the front fixing ring (35). The rear end of the connecting ring (39) is fixedly connected to the front mounting base (32), and the front end of the connecting ring (39) is fixedly connected to the front fixing ring (35).

6. The portable pupillary reflection recognition observation pen according to claim 1, characterized in that: The lamp source mounting plate (36) is a ring plate. The center of the lamp source mounting plate (36) is provided with a central through hole for the image acquisition component (33) to acquire images forward. The central through hole is coaxially arranged with the acquisition end of the image acquisition component (33).

7. The portable pupillary reflection recognition observation pen according to claim 6, characterized in that: The infrared supplementary light (37) and the visible light stimulation light (38) are welded and fixed at intervals along the circumference of the lamp source mounting plate (36), and the infrared supplementary light (37) and the visible light stimulation light (38) are respectively located on the outer periphery of the central through hole.

8. The portable pupillary reflection recognition observation pen according to claim 1, characterized in that: The circuit board (31) is fixed on the rear side of the front mounting base (32). An image acquisition interface, a display interface, an infrared driving end and a stimulation light driving end are formed on the circuit board (31). The image acquisition component (33) is electrically connected to the image acquisition interface through a ribbon cable. The display screen (16) is electrically connected to the display interface through a wire or ribbon cable. The infrared supplementary light (37) is electrically connected to the infrared driving end through the first conductive line of the lamp source mounting board (36). The visible light stimulation light (38) is electrically connected to the stimulation light driving end through the second conductive line of the lamp source mounting board (36).

Images