CN211381282U - Flashlight for observing pupil - Google Patents
Flashlight for observing pupil Download PDFInfo
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- CN211381282U CN211381282U CN201820887939.8U CN201820887939U CN211381282U CN 211381282 U CN211381282 U CN 211381282U CN 201820887939 U CN201820887939 U CN 201820887939U CN 211381282 U CN211381282 U CN 211381282U
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- connecting seat
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Abstract
The utility model discloses a flashlight for observing pupils, which comprises a flashlight body and a pupil measuring body; the flashlight body comprises a shell, wherein a glass sheet, a convex lens, a bulb and a battery are sequentially arranged in the shell from the front end to the rear end; the shell is provided with a press switch; the bulb, the battery and the press switch are connected in series; the pupil measuring body comprises a hollow cylinder and a transparent plastic film; two ends of the hollow cylinder are opened, and a transparent plastic film is fixedly arranged at the inner side of the front end of the hollow cylinder; the transparent plastic film is provided with a measuring scale; the outer wall of the hollow cylinder is provided with a first connecting seat; the outer wall of the shell is provided with a second connecting seat, a first connecting seat and a second connecting seat which are connected through a rotating shaft; the glass sheet, the convex lens and the transparent plastic film are arranged in parallel; the rear end of the hollow cylinder is provided with a ball spring pin, and the front end of the shell is provided with a groove corresponding to the ball spring pin. The utility model discloses be convenient for measure pupil diameter.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to a flashlight for observing pupil diameter.
Background
The normal pupil diameter is about 3 mm under normal light, is bilaterally symmetrical, and is narrowed and enlarged along with the strength of the light. In pathological conditions, the pupils on both sides are dilated, which is commonly seen in the cases of increased intracranial pressure and poisoning of the drugs in the case of bellybutton; bilateral miosis, which is commonly seen in drug poisoning such as organophosphor, morphine, chlorpromazine, etc.; the pupils on both sides are of different sizes, indicating intracranial lesions. The pupil change is observed clinically, which is helpful for judging the state of illness of patients with coma, convulsion, shock, poisoning, respiratory failure, circulatory failure and central nervous system diseases, has extremely important significance for positioning, qualitative, diagnosis, treatment and nursing intracranial lesions, and is also an essential important observation index in clinical work. In medical treatment, a flashlight is often used to illuminate the pupil of a patient, and a preliminary determination is made as to the condition of the patient by measuring the size of the pupil of the patient that is zoomed in or out. The existing flashlight can only provide an illuminating light source, the size of the pupil of a patient is visually observed by a doctor, and the result is different due to strong subjectivity and different observation methods and positions. Except that the most commonly used of range finding utilizes the ruler direct measurement pupil size, at this moment need not hand the flashlight illumination, need take off patient's eyelid with the hand again, still need take the ruler to measure, alone can't accomplish, need the common work of more than two people, the operation is very inconvenient, moreover because the scale of ruler is fixed, and the diameter of pupil is less, and operation error increases, leads to the reading inaccurate.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a flashlight for observing pupil, be convenient for measure pupil diameter.
In order to solve the technical problem, the utility model discloses take following technical scheme: the flashlight for observing the pupil comprises a flashlight body and a pupil measuring body; the flashlight body is rotationally connected with the pupil measuring body;
the flashlight body comprises a shell, wherein a glass sheet, a convex lens, a bulb and a battery are sequentially arranged in the shell from the front end to the rear end; the shell is provided with a press switch; the bulb, the battery and the press switch are connected in series;
the pupil measuring body comprises a hollow cylinder and a transparent plastic film; two ends of the hollow cylinder are opened, and a transparent plastic film is fixedly arranged at the inner side of the front end of the hollow cylinder; the transparent plastic film is provided with a measuring scale;
the outer wall of the hollow cylinder is provided with a first connecting seat; the outer wall of the shell is provided with a second connecting seat, and the first connecting seat and the second connecting seat are connected through a rotating shaft;
the glass sheet, the convex lens and the transparent plastic film are arranged in parallel;
the rear end of the hollow cylinder is provided with a ball spring pin, and the front end of the shell is provided with a groove corresponding to the ball spring pin.
Furthermore, the front end of the shell is also provided with a fixed plate which is fixedly connected with the outer wall of the shell; the fixing plate is arranged at the front end of the second connecting seat, and a through hole for the rotating shaft to pass through is formed in the fixing plate; and a second groove corresponding to the ball spring pin is also arranged on the fixed plate.
Furthermore, the flashlight also comprises a fixing device, wherein the fixing device comprises a support frame and a hoop arranged on the support frame; the flashlight body is fixed on the support frame through the hoop; the supporting frame comprises a bottom plate and a telescopic rod; the hoop is fixed at the top of the telescopic rod; the bottom plate is also provided with a bracket for placing the lower handle.
The utility model has the advantages that: the utility model discloses simple structure, the light of light source becomes parallel light irradiation behind the convex lens, and the parallel light conveniently measures pupil diameter on with the scale equal proportion projection to pupil on the transparent plastic film.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of embodiment 1.
Fig. 2 is an enlarged view of a in fig. 1.
Fig. 3 is a schematic view of the pupil measuring unit rotating to one side of the flashlight body.
Fig. 4 is a schematic structural view of embodiment 2.
Fig. 5 is an enlarged view of B in fig. 4.
Fig. 6 is a schematic structural view of embodiment 3.
Fig. 7 is a schematic structural view of the bracket.
Detailed Description
The technical solution of the present invention will be described clearly and completely through the following detailed description.
As shown in fig. 1-3, the flashlight for observing pupil of the present invention comprises a flashlight body and a pupil measuring body; the flashlight body is rotationally connected with the pupil measuring body;
the flashlight body comprises a shell 11, wherein a glass sheet 12, a convex lens 13, a bulb 14 and a battery 15 are sequentially arranged in the shell from the front end to the rear end; the shell is provided with a press switch 16; the bulb 14 and the battery 15 are connected in series with the push switch 16;
the pupil measuring body comprises a hollow cylinder 21 and a transparent plastic film 22; two ends of the hollow cylinder 21 are opened, and a transparent plastic film 22 is fixedly arranged at the inner side of the front end of the hollow cylinder 21; the transparent plastic film is provided with a measuring scale 23;
the outer wall of the hollow cylinder 21 is provided with a first connecting seat 31; the outer wall of the shell 11 is provided with a second connecting seat 32, and the first connecting seat 31 is connected with the second connecting seat 32 through a rotating shaft 33;
the glass sheet 12, the convex lens 13 and the transparent plastic film 22 are arranged in parallel;
the rear end of the hollow cylinder 21 is provided with a ball spring pin 41, and the front end of the housing 11 is provided with a groove 42 corresponding to the ball spring pin 41.
The utility model discloses the light of light source becomes parallel light irradiation behind the convex lens, and the parallel light conveniently measures pupil diameter on with the scale equal proportion projection to the pupil on transparent plastic film 22. When the flashlight is used for general purposes, the pupil measuring body is rotated to one side of the flashlight body, and the irradiation of the light source is not influenced.
Example 2
As shown in fig. 4-5, the front end of the housing 11 of the present invention is further provided with a fixing plate 5, and the fixing plate 5 is fixedly connected with the outer wall of the housing 11; the fixing plate 5 is arranged at the front end of the second connecting seat 32, and a through hole for the rotating shaft to pass through is formed in the fixing plate 5; and a second groove 51 corresponding to the ball spring pin 41 is further provided on the fixed plate 5.
The utility model discloses when the flashlight used as general purpose, the pupil was measured the body and is rotated to flashlight body one side, fixes through ball spring catch 41 and the cooperation of two 51 of fixed plate 5 upper groove, avoids the pupil to measure the unexpected rotation of body.
Example 3
As shown in fig. 6 and 7, the flashlight of the present invention further comprises a fixing device, wherein the fixing device comprises a supporting frame and a hoop 61 arranged on the supporting frame; the flashlight body is fixed on the support frame through the hoop; the supporting frame comprises a bottom plate 62 and an expansion rod 63; the hoop 61 is fixed at the top of the telescopic rod 63; the bottom plate 62 is also provided with a bracket 64 for placing the lower handle.
When holding the flashlight at ordinary times and measuring, the hand is all understood easily, influences the measuring accuracy, consequently through setting up fixing device, shelves the chin on the bracket, and the flashlight is fixed and is being supported and measure in addition, improves the measuring degree of accuracy. The utility model discloses a staple bolt can articulate with the top of telescopic link and be connected, and the bottom plate of telescopic link can be connected for rotating, convenient operation.
The above-mentioned embodiments are only described as the preferred embodiments of the present invention, and are not intended to limit the concept and scope of the present invention, and the technical content of the present invention, which is claimed by the present invention, is fully recorded in the technical claims.
Claims (3)
1. A flashlight for observing the pupil, its characterized in that: comprises a flashlight body and a pupil measuring body; the flashlight body is rotationally connected with the pupil measuring body;
the flashlight body comprises a shell (11), and a glass sheet (12), a convex lens (13), a bulb (14) and a battery (15) are sequentially arranged in the shell from the front end to the rear end; the shell is provided with a press switch (16); the bulb (14), the battery (15) and the press switch (16) are connected in series;
the pupil measuring body comprises a hollow cylinder (21) and a transparent plastic film (22); two ends of the hollow cylinder (21) are opened, and a transparent plastic film (22) is fixedly arranged at the inner side of the front end of the hollow cylinder (21); the transparent plastic film is provided with a measuring scale (23);
the outer wall of the hollow cylinder (21) is provided with a first connecting seat (31); a second connecting seat (32) is arranged on the outer wall of the shell (11); the first connecting seat (31) is connected with the second connecting seat (32) through a rotating shaft (33);
the glass sheet (12), the convex lens (13) and the transparent plastic film (22) are arranged in parallel;
the rear end of the hollow cylinder (21) is provided with a ball spring pin (41), and the front end of the shell (11) is provided with a groove (42) corresponding to the ball spring pin (41).
2. The flashlight for observing the pupil of claim 1, wherein: the front end of the shell (11) is also provided with a fixed plate (5), and the fixed plate (5) is fixedly connected with the outer wall of the shell (11); the fixing plate (5) is arranged at the front end of the second connecting seat (32), and a through hole for the rotating shaft to pass through is formed in the fixing plate (5); and a second groove (51) corresponding to the ball spring pin (41) is also arranged on the fixed plate (5).
3. The flashlight for observing the pupil of claim 1, wherein: the flashlight also comprises a fixing device, wherein the fixing device comprises a support frame and a hoop (61) arranged on the support frame; the flashlight body is fixed on the support frame through the hoop; the supporting frame comprises a bottom plate (62) and an expansion rod (63); the hoop (61) is fixed at the top of the telescopic rod (63); the bottom plate (62) is also provided with a bracket (64) for placing the lower handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820887939.8U CN211381282U (en) | 2018-06-08 | 2018-06-08 | Flashlight for observing pupil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820887939.8U CN211381282U (en) | 2018-06-08 | 2018-06-08 | Flashlight for observing pupil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211381282U true CN211381282U (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820887939.8U Active CN211381282U (en) | 2018-06-08 | 2018-06-08 | Flashlight for observing pupil |
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| Country | Link |
|---|---|
| CN (1) | CN211381282U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112488001A (en) * | 2020-12-03 | 2021-03-12 | 江苏瞰风信息科技有限公司 | Biological recognition device and use method thereof |
-
2018
- 2018-06-08 CN CN201820887939.8U patent/CN211381282U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112488001A (en) * | 2020-12-03 | 2021-03-12 | 江苏瞰风信息科技有限公司 | Biological recognition device and use method thereof |
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