Pupilometry device

Abstract

The application provides a pupil measuring device, which comprises a flashlight body, a plurality of annular members with gradually decreasing inner diameters are sequentially arranged inwardly on the inner wall of the inner cavity of the flashlight body, a plurality of through holes are arranged on the wall of the annular members, a sliding block is connected with a first vertical rod, a first groove for the sliding of the first vertical rod is arranged on the flashlight body, a second vertical rod is upwardly inserted into a blind hole at the lower end of the first vertical rod, a spring in a compressed state is arranged in the blind hole and connected with the upper end of the second vertical rod, a third vertical rod is vertically arranged on the slope, and a light source is arranged on the third vertical rod; when the sliding block slides leftward and rightward, the light source moves back and forth along the parallel direction of the slope, so as to correspond to the inlets of the through holes on different annular members. The flashlight type is convenient for medical staff to use, a plurality of annular members are arranged, the light source corresponds to the inlets of different annular members by adjusting the sliding block, the light source is emitted from the outlet of the annular member to form a ring shape, and the size of the pupil of a patient can be determined when the ring-shaped light coincides with the pupil of the patient.

Description

TECHNICAL FIELD

[0001] The present application relates to the medical field, in particular to a pupil measuring device. BACKGROUND

[0002] At present, it is sometimes necessary to judge the pupil of a patient in clinic. At present, the size of the pupil is mostly subjective judgment. Through observation of the size of the pupil, some diseases can be reflected, especially the diagnosis, identification and nursing treatment of diseases in neurology, brain surgery and internal medicine are very valuable. However, there is no special instrument to measure the size of the pupil. If the doctor with rich experience can roughly judge whether the pupil is larger or smaller by checking the pupil, such as 5mm, 6mm, 7mm, the level difference can be distinguished, and the comparison of bilateral pupils is also helpful to judge the size of the pupil. However, in fact, such judgment is still large error, and it is not intuitive in fact. SUMMARY

[0003] The problem to be solved by the present application is to provide a pupil measuring device for measuring the size of the pupil of a patient in view of the above-mentioned deficiencies in the prior art.

[0004] In order to achieve the above-mentioned purpose, the technical scheme adopted by the present application is as follows: a pupil measuring device, comprising a flashlight body, the flashlight body has an inner cavity with an opening facing left, a plurality of annular parts with gradually decreasing inner diameters are sequentially arranged on the inner wall of the inner cavity, the center axes of the plurality of annular parts coincide, a plurality of through holes are arranged on the wall of the annular part, the outlets of the through holes face left, a first sliding groove is arranged on the flashlight body, a sliding block capable of sliding in the first sliding groove is arranged in the first sliding groove, the sliding block is connected with a first vertical rod, a first groove for sliding the first vertical rod is arranged on the flashlight body, a second vertical rod extends upward into a blind hole at the lower end of the first vertical rod, a spring always in compression is arranged in the blind hole, the spring is connected with the upper end of the second vertical rod, a boss is arranged in the inner cavity, the boss has an inclined plane, a third vertical rod is vertically arranged on the inclined plane, a light source is arranged on the third vertical rod, the light source is provided with a power supply, the light source is connected with a horizontal rod, and the horizontal rod is connected with the second vertical rod; when the sliding block slides left and right, the light source moves back and forth in the direction parallel to the inclined plane, so as to correspond to the inlets of the through holes on different annular parts respectively.

[0005] A plurality of distance sensors and angle sensors are sequentially arranged around the annular part at the front end of the flashlight body.

[0006] Further, the left sides of the plurality of annular parts are aligned, and the right sides of the plurality of annular parts are connected in parallel with the inclined plane.

[0007] Further, the plurality of annular members are provided with notches on the right side, and the lines formed by the notches are parallel to the slope; the upper and lower ends of the light source are respectively provided with a first blocking plate and a second blocking plate, the first blocking plate and the second blocking plate are connected with a third blocking plate, the first blocking plate and the second blocking plate are respectively connected with the horizontal rod and the third vertical rod, the through hole has one inlet, the through hole has a plurality of light outlets which are connected with the inlet, the first blocking plate and the second blocking plate respectively correspond to two notches of the outer annular member and the inner annular member, and the third blocking plate corresponds to the inlet.

[0008] Further, the through hole comprises an inlet and a plurality of inclined channels connected with the inlet, the inclined channels have horizontal outlets, and the horizontal outlets are the light outlets.

[0009] Further, the outlet extends obliquely inward to an oblique outlet.

[0010] Further, the flashlight body is further provided with an outer cover, the outer cover has a trumpet mouth, the trumpet mouth is provided with a spiral groove, the flashlight body is screwed with the spiral groove on the right side, the outer wall of the flashlight body is provided with an annular lamp strip, the outer cover is provided with a second sliding groove, the second sliding groove is provided with a slideable slide wrench, the slide wrench is vertically connected with a fourth vertical rod, the fourth vertical rod is connected with the sliding block, and the outer cover is provided with a second groove for the movement of the fourth vertical rod.

[0011] Compared with the prior art, the present application has the following beneficial effects: the present application is convenient for medical staff to use by being arranged in a flashlight type, a plurality of annular members are arranged, the sliding block is slid to adjust the inlet of the light source corresponding to different annular members, the light source is emitted from the outlet of the annular member to form a ring shape, and the size of the pupil of the patient can be judged when the ring-shaped light coincides with the pupil of the patient.

[0012] Other advantages, objects and features of the present application will be apparent from the following description, and will be understood by those skilled in the art. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of a pupil measuring device of the present application.

[0014] Figure 2 It is a structural schematic diagram of a pupil measuring device of the present application with an outer cover.

[0015] Figure 3 It is a schematic diagram of the connection of the light source of the present application.

[0016] Figure 4 It is a schematic diagram of the connection of the plurality of annular members of the present application.

[0017] Figure 5 The side structure diagram of the ring member of the application.

[0018] Figure 6 The layout diagram of the through hole in the ring member of the application. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purposes and effects of the application more clear and easy to understand, the application is further described below in combination with the drawings and specific embodiments:

[0020] The application provides a pupil measuring device, which comprises a flashlight body 1, an inner cavity 5 with an opening facing left in the flashlight body 1, a plurality of ring members 2 with gradually decreasing inner diameters arranged in the inner wall of the inner cavity 5 in sequence, the central axes of the plurality of ring members 2 being coincident, i.e. the outermost ring member 2 wraps an inner ring member 2, the inner diameter of the outer ring member 2 is equal to the outer diameter of the inner ring member 2, a plurality of through holes 3 are arranged on the wall of the ring member 2, the inner diameters of the through holes 3 are between 0.1 mm and 0.3 mm, the wall thickness of the ring member 2 is 1 mm, the outlets of the through holes 3 face left, the outlets of the through holes 3 horizontally emit leftwards, the circular ring light shaped on the surface of an object is consistent with the ring member 2, a first sliding groove 7 is arranged on the flashlight body 1, a sliding block 8 capable of sliding in the first sliding groove 7 is arranged in the first sliding groove 7, the sliding block 8 is connected with a first vertical rod 9, a first groove for the sliding of the first vertical rod 9 is arranged on the flashlight body 1, a second vertical rod 13 extends upwards into a blind hole 14 at the lower end of the first vertical rod 9, a spring 15 always in a compressed state is arranged in the blind hole 14, the spring 15 is connected with the upper end of the second vertical rod 13, a boss 6 is arranged in the inner cavity 5, the boss 6 has a slope 4, the third vertical rod 18 is always pressed on the slope 4 by the spring 15, the third vertical rod 18 is vertically arranged on the slope 4, a light source 12 is arranged on the third vertical rod 18, the light source 12 is provided with a power supply, the light source 12 is connected with a horizontal rod 16, and the horizontal rod 16 is connected with the second vertical rod 13; when the sliding block 8 slides left and right, the light source 12 moves back and forth along the parallel direction of the slope 4, thereby corresponding to the inlets of the through holes 3 on different ring members 2 respectively; the diameters of the plurality of ring members 2 are set according to the sizes of the reference pupils, i.e. 5 mm, 6 mm and 7 mm, so that one of the sizes of the circular ring light emitted from the outlets is consistent with the size of the pupil of a patient; an observation scale is arranged along the flashlight body 1, the observation scale corresponds to the indicating arrow arranged on the sliding block 8, when the arrow corresponds to a certain scale, the diameter corresponding to the light emitted by the ring member 2 corresponding to the scale is also corresponded, thereby facilitating the observation of medical staff.

[0021] The front end of the electric torch body 1 is provided with a plurality of distance sensors 26 and angle sensors 27 in sequence around the annular member 2, which respectively identify the distance and deflection angle of the electric torch body 1 from the pupil, and the electric torch body 1 is provided with a processor and a display, the processor is connected to the distance sensor 26 and the angle sensor 27 respectively, and the size of the patient's aperture is calculated and processed to compare with the corresponding aperture size of the annular member 2, thereby further improving the accuracy of measuring the pupil size; a plurality of left side alignment annular members 2, a plurality of right side connecting lines of the annular members 2 are parallel to the slope 4, and the third vertical rod 18 is moved on the slope 4 through the slope 4 to make the light source 12 correspond to different inlets of the annular members 2.

[0022] In order to avoid the light generated by the light source 12 from spreading from other places to affect the judgment, a plurality of notches 10 are formed on the right side of the annular member 2, a plurality of notches 10 form a connecting line parallel to the slope 4, the upper and lower ends of the light source 12 are respectively provided with a first blocking plate 11 and a second blocking plate 17, the first blocking plate 11 and the second blocking plate 17 are arc-shaped, the first blocking plate 11 and the second blocking plate 17 are connected to the third blocking plate 19, the first blocking plate 11 and the second blocking plate 17 are respectively connected to the horizontal rod 16 and the third vertical rod 18, the inlet of the through hole 3 is one, the light outlets of the through hole 3 are a plurality and are connected to the inlet, the first blocking plate 11 and the second blocking plate 17 respectively correspond to two notches 10 of the outer annular member 2 and the inner annular member 2, the third blocking plate 19 corresponds to the inlet, and the light source 12 is located between the inlet and the third blocking plate 19; when the light source 12 corresponds to the inlet of the through hole 3, the upper and lower corresponding first blocking plate 11 and second blocking plate 17 close the outer notch 10 and the inner notch 10 of the adjacent related annular member 2, and the third blocking plate 19 closes the right rear of the light source 12, so that the light of the light source 12 can only enter from the inlet of the through hole 3.

[0023] The through hole 3 includes an inlet and a plurality of inclined channels 31 connected to the inlet, the inclined channels 31 have horizontal outlets 29, the horizontal outlets 29 are the light outlets, one end of the two open ends of the plurality of inclined channels 31 converges at the inlet, and the other end of the two open ends of the plurality of inclined channels 31 is dispersedly distributed on the left side surface of the annular member 2 and is vertically emitted; in order to reduce the overall size of the inner diameter of the light emitted from the through hole 3, the outlet 29 extends obliquely inward to the oblique outlet 28.

[0024] The electric torch body 1 is further provided with a cover 20, the cover 20 is provided with a trumpet mouth 22, the trumpet mouth 22 is provided with a spiral groove 21, the electric torch body 1 is screwed with the spiral groove 21, the outer wall of the electric torch body 1 is provided with an annular lamp strip 23, the cover 20 is provided with a second sliding groove 24, the second sliding groove 24 is provided with a slide wrench capable of moving left and right, the slide wrench is vertically connected with a fourth vertical rod, the fourth vertical rod is connected with the sliding block 8, the cover 20 is provided with a second groove 25 for the movement of the fourth vertical rod; after the electric torch body 1 is screwed with the spiral groove 21, the power supply arranged on the electric torch body 1 is simultaneously connected with the lamp strip 23 and the light source 12, the light color of the light source 12 is different from that of the lamp strip 23, and the light of the lamp strip 23 is relatively shallow to facilitate illumination; the cover 20 is provided with a switch for controlling the lamp strip 23 and the light source 12; after the sliding block 8 and the slide wrench are installed, they can only move left and right in the first sliding groove 7 and the second sliding groove 24 respectively.

[0025] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. A pupil measuring device, characterized in that: The flashlight includes a flashlight body (1), which has an inner cavity (5) with its opening facing left. Multiple annular components (2) with gradually decreasing inner diameters are arranged sequentially on the inner wall of the inner cavity (5). The central axes of the multiple annular components (2) coincide. Multiple through holes (3) are provided on the walls of the annular components (2), with the outlets of the through holes (3) facing left. A first sliding groove (7) is provided on the flashlight body (1), and a slider (8) that can slide within the first sliding groove (7) is provided inside the first sliding groove (7). The slider (8) is connected to a first vertical rod (9). A first groove is provided on the flashlight body (1) for the first vertical rod (9) to slide. A second vertical rod (13) extends upward into a blind hole at the lower end of the first vertical rod (9). Inside, a spring (15) that is always in a compressed state is installed in the blind hole. The spring (15) is connected to the upper end of the second vertical rod (13). A boss (6) is provided in the inner cavity (5). The boss (6) has a slope (4). A third vertical rod (18) is vertically mounted on the slope (4). A light source (12) is provided on the third vertical rod (18). The light source (12) is equipped with a power supply. The light source (12) is connected to a horizontal rod (16). The horizontal rod (16) is connected to the second vertical rod (13). When the slider (8) slides left and right, it drives the light source (12) to move back and forth along the direction parallel to the slope (4) so ​​as to correspond to the inlet of the through hole (3) on different ring parts (2). Multiple distance sensors (26) and angle sensors (27) are sequentially arranged around the annular component (2) at the front end of the flashlight body (1). The multiple ring-shaped pieces (2) are aligned on the left side, and the line connecting the right sides of the multiple ring-shaped pieces (2) is parallel to the ramp (4). Each of the multiple annular parts (2) has a notch (10) on its right side. The line formed by the multiple notches (10) is parallel to the slope (4). The upper and lower ends of the light source (12) have a first sealing plate (11) and a second sealing plate (17). The first sealing plate (11) and the second sealing plate (17) are connected to a third sealing plate (19). The first sealing plate (11) and the second sealing plate (17) are connected to the horizontal rod (16) and the third vertical rod (18), respectively. The through hole (3) has one inlet and multiple light outlets that are connected to the inlet. The first sealing plate (11) and the second sealing plate (17) correspond to the two notches (10) of the outer annular part (2) and the inner annular part (2), respectively. The third sealing plate (19) corresponds to the inlet. The light source (12) is located between the inlet and the third sealing plate (19).

2. The pupil measuring device according to claim 1, characterized in that: The through hole (3) includes an inlet and a plurality of oblique channels (31) communicating with the inlet, the oblique channels (31) having a horizontal outlet (29), the horizontal outlet (29) being the light outlet.

3. The pupil measuring device according to claim 2, characterized in that: The outlet (29) extends obliquely inward to the oblique outlet (28).

4. The pupil measuring device according to claim 1, characterized in that: The flashlight body (1) is also provided with an outer cover (20), the outer cover (20) has a flared mouth (22), the flared mouth (22) is provided with a spiral groove (21), the right side of the flashlight body (1) is screwed with the spiral groove (21), the outer wall of the flashlight body (1) is provided with an annular light strip (23), the outer cover (20) is provided with a second sliding groove (24), the second sliding groove (24) is provided with a sliding knob that can move left and right, the sliding knob is vertically connected to a fourth vertical rod, the fourth vertical rod is connected to the slider (8), the outer cover (20) is provided with a second groove (25) for the fourth vertical rod to move.

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