CN215272680U

CN215272680U - Portable pupil measuring apparatu

Info

Publication number: CN215272680U
Application number: CN202121108484.3U
Authority: CN
Inventors: 兰肇金; 陈美伶; 谭妮科; 甘秋妮; 王传会; 黄河澜
Original assignee: Liuzhou Municipal Liutie Central Hospital
Current assignee: Liuzhou Municipal Liutie Central Hospital
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-12-24
Anticipated expiration: 2031-04-30

Abstract

The utility model relates to a portable pupil measuring instrument, which comprises a pen holder, wherein a measuring device is arranged in the pen holder, the measuring device comprises a fixed plate, a right profile sheet, a left profile sheet, a graduated scale, a linkage gear, a first straight rack, a second straight rack, a stepping motor and a rechargeable battery, the fixed plate is provided with an observation hole, and the right profile sheet and the left profile sheet are symmetrically arranged and positioned in the observation hole; the linkage gear is arranged on the fixed plate, the first straight rack and the second straight rack are respectively meshed with the linkage gear, the first straight rack is connected with the left contour piece, and the second straight rack is connected with the right contour piece; the stepping motor is connected with the linkage gear; one end of the graduated scale is connected with the left contour sheet, and the other end of the graduated scale extends to the right contour sheet; the bottom of the fixing plate is provided with a light-emitting lamp source. The utility model discloses simple structure, portable, measurement process is quick, measuring result is accurate, and medical personnel can be through the quick, accurate size that obtains the pupil of this measuring apparatu to can also observe eyeball's the light reflex condition.

Description

Portable pupil measuring apparatu

[ technical field ] A method for producing a semiconductor device

The utility model belongs to the technical field of medical instrument, in particular to portable pupil measuring apparatu.

[ background of the invention ]

In the medical field, the diameter of the pupil and the dynamic response characteristic of human eyes to light are important parameters, and the change of the pupil is an important indication of the change of the disease condition of many diseases, so that the diameter of the pupil of a patient is usually measured to serve as a reference when medical care and health detection are carried out; for patients with severe symptoms, the pupil is monitored, typically once an hour.

In the traditional method, a doctor uses a flashlight to observe the pupils of a patient after the eyes of the patient are stimulated by light, and the size of the pupils is subjectively judged and recorded; however, the subjective judgment has errors with the actual situation, and the judgment standards of each person are different, so that a large error exists, and an effective auxiliary basis cannot be provided; in addition, some pupil pens with measurement functions are also proposed in the prior art, for example, an image sensor is adopted to acquire pupil image information, and a processor analyzes the pupil image information to obtain data, but the pupil pen is expensive and has low measurement accuracy.

There is also an invention patent application No. CN201810894860 'a pupil size measuring pen' by disposing a bulb at the focal point of a concave lens; the light emitted by the bulb is reflected by the concave lens and then transmitted and broadcasted as parallel light; after passing through the scale holes, the distance between the scales is unchanged, so that the size of the light emitted by the aperture is the same as that of the aperture; the adjustment of the aperture size is realized by rotating the active rotating wheel, the aperture size can be the same as the pupil size, and the pupil size can be read through the scales corresponding to the reading strips.

[ Utility model ] content

The utility model aims at providing a simple structure, convenient to use's portable pupil measuring apparatu to make things convenient for medical personnel quick, accurate size that obtains the pupil, and can also observe eyeball's the light reflex condition, the effectual problem that has solved prior art existence.

In order to achieve the above purpose, the utility model adopts the technical proposal that: a portable pupil measuring instrument comprises a pen holder with a hollow structure, wherein a measuring device for measuring the size of a pupil is arranged in the pen holder close to the front end; the measuring device comprises a fixing plate, a right contour sheet, a left contour sheet, a graduated scale, a linkage gear, a first straight rack, a second straight rack, a stepping motor and a rechargeable battery, wherein an observation hole is formed in the fixing plate; the linkage gear is arranged on the fixed plate through a rotating shaft, the first straight rack and the second straight rack are arranged in parallel and are positioned on two opposite sides of the linkage gear, the first straight rack and the second straight rack are respectively meshed with the linkage gear, the end part of the first straight rack and the end part of the left profile piece, which are positioned on the same side, are connected with the guide rod of the left profile piece through a connecting rod I, and the end part of the second straight rack and the end part of the right profile piece, which are positioned on the same side, are connected with the guide rod of the right profile piece through a connecting rod II; the stepping motor is positioned on the fixed plate through the motor bracket, an output shaft of the stepping motor is connected with the linkage gear, the stepping motor is electrically connected with the rechargeable battery through the positive and negative rotation switch and the lead, and the positive and negative rotation switch is arranged on the outer side of the pen holder; one end of the graduated scale is fixedly connected with the left contour sheet, and the other end of the graduated scale extends to the side of the right contour sheet and is not connected with the right contour sheet; the bottom of the fixed plate is also provided with a light-emitting lamp source which is electrically connected with the rechargeable battery through a lamp source switch and a lead, and the lamp source switch is arranged on the outer side of the pen holder.

Furthermore, two ends of the first straight rack and two ends of the second straight rack are respectively positioned on the fixing plate through second fixing buckles.

Further, the light source comprises a white light source bulb and a yellow light source bulb, and the white light source bulb and the yellow light source bulb are respectively electrically connected with the rechargeable battery through corresponding light source switches.

Furthermore, the joint of the graduated scale and the left profile is a zero point of the graduation.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

1. the utility model has simple structure, similar shape and size to a flashlight and convenient carrying; when the measuring instrument is used, one end of the pen holder faces the eyes of a patient, medical staff can observe pupils from the other end of the pen holder through the pen holder, the diameter of a circle formed by the right contour sheet and the left contour sheet in the measuring instrument is adjusted to be overlapped with the pupil contour of the patient, the pupil diameter of the patient can be measured according to the reading of the graduated scale, the measuring process is rapid, and the measuring result is accurate;

2. the utility model discloses a luminous lamp source of control fixed plate bottom lights or closes in order to observe the change of patient's pupil size to the realization is observed eyeball and is put the light reflex condition, in addition, the utility model discloses a luminous lamp source lights through controlling different lamp sources including white light source and yellow light source, can observe patient's eyes to the light reflex condition of different colours, different luminance.

[ description of the drawings ]

Fig. 1 is a schematic view of a three-dimensional structure of a portable pupil measuring instrument of the present invention;

FIG. 2 is a schematic perspective view of a measuring device;

FIG. 3 is a front view of the measuring device;

FIG. 4 is a schematic view of the bottom of the measuring device;

the reference numbers illustrate: 1-pen holder, 2-measuring device, 21-fixing plate, 22-first fixing buckle, 23-guide rod, 24-right profile piece, 25-observation hole, 26-graduated scale, 27-left profile piece, 28-connecting rod I, 29-first straight rack, 210-second fixing buckle, 211-stepping motor, 212-linkage gear, 213-rechargeable battery, 214-motor support, 215-second straight rack, 216-connecting rod II, 3-light source switch, 4-positive and negative rotation switch and 5-light source.

[ detailed description ] embodiments

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. The drawings are only for purposes of illustration and are not intended to be limiting, certain elements of the drawings may be omitted, enlarged or reduced to better illustrate the embodiments of the present invention, and do not represent the size of the actual product, and it is understood that some well-known structures, elements and descriptions thereof in the drawings may be omitted for persons skilled in the art.

In the description of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example (b):

as shown in fig. 1 to 4, the utility model relates to a portable pupil measuring instrument, including hollow structure's pen-holder 1, the inside position of leaning on the front end of pen-holder 1 is equipped with and is used for measuring the measuring device 2 of pupil size.

The utility model discloses a measuring device 2 includes fixed plate 21, right side profile piece 24, left side profile piece 27, scale 26, linkage gear 212, first rack 29, second spur rack 215, step motor 211 and rechargeable battery 213, be equipped with observation hole 25 on fixed plate 21, the circular arc outside of right side profile piece 24 and left side profile piece 27 is connected with a guide bar 23 respectively, and guide bar 23 is respectively through first fixed knot 22 sliding positioning on fixed plate 21, and right side profile piece 24 and left side profile piece 27 symmetry set up and lie in observation hole 25, and right side profile piece 24 and left side profile piece 27 accessible guide bar 23 drive and keep away from each other or be close to each other.

The linkage gear 212 is arranged on the fixing plate 21 through a rotating shaft, the first straight rack 29 and the second straight rack 215 are arranged in parallel and are positioned at two opposite sides of the linkage gear 212, and the first straight rack 29 and the second straight rack 215 are respectively meshed with the linkage gear 212; in addition, the two ends of the first and

second spur racks

29 and 215 are respectively positioned on the fixing plate 21 by the second fixing buckle 210, so that the first and second spur racks 29 and 215 are ensured to be meshed with the linkage gear 212; the end of the first spur rack 29 on the same side as the left contour piece 27 is connected to the guide bar 23 on the left contour piece 27 via a connecting rod i 28, and the end of the second spur rack 215 on the same side as the right contour piece 24 is connected to the guide bar 23 on the right contour piece 24 via a connecting rod ii 216.

The stepping motor 211 is positioned on the fixing plate 21 through the motor bracket 214, an output shaft of the stepping motor 211 is connected with the linkage gear 212, the stepping motor 211 is electrically connected with the rechargeable battery 213 through the forward and reverse rotation switch 4 and a lead, and the forward and reverse rotation switch 4 is arranged on the outer side of the penholder 1.

One end of the graduated scale 26 is fixedly connected with the left contour sheet 27, and the other end of the graduated scale 26 extends to the side of the right contour sheet 24 and is not connected with the right contour sheet 24; the joint of the graduated scale 26 and the left contour piece 27 is a zero point of graduation.

When the medical pen is used, a doctor holds the pen holder 1 by hand, the front end of the pen holder 1 touches the eye sockets of a patient, the pupils are located in the observation hole 25, the stepping motor 211 is controlled to rotate through the forward and reverse rotation switch 4, the linkage gear 212 is driven to rotate, the first straight rack 29 and the second straight rack 215 which are meshed with the linkage gear 212 respectively move in the reverse direction, so that the right contour piece 24 and the left contour piece 27 are far away from or close to each other through the connecting rod and the guide rod 23, the diameter of a circle formed by the right contour piece 24 and the left contour piece 27 is correspondingly increased or reduced until the circle coincides with the pupil contour of the patient, and the reading corresponding to the graduated scale 26 through observing the right contour piece 24 is the pupil diameter of the patient.

Additionally, the utility model discloses a fixed plate 21 bottom still is equipped with light emitting source 5, and light emitting source 5 passes through light source switch 3 and wire and rechargeable battery 213 electric connection, light source switch 3 sets up in the pen-holder 1 outside, and it is worth mentioning that, the utility model discloses a light emitting source 5 includes white light source bulb and yellow light source bulb, and white light source bulb and yellow light source bulb are respectively through the light source switch electric connection rechargeable battery 213 that corresponds. After the doctor finishes measuring the pupil diameter of the patient, the diameter of a circle formed by the right contour sheet 24 and the left contour sheet 27 is kept unchanged, and the corresponding white light source bulb or the yellow light source bulb is controlled to be turned on through the corresponding light source switch according to needs, if the pupil of the patient reflects light normally, the pupil diameter of the patient can be changed, and the pupil size of the patient at the moment can be compared with the diameter of the circle formed by the right contour sheet 24 and the left contour sheet 27 to judge whether the pupil of the patient reflects light normally or not visually.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims

1. A portable pupil measuring instrument comprises a pen holder (1) with a hollow structure, wherein a measuring device (2) for measuring the size of a pupil is arranged in the pen holder (1) close to the front end; the measuring device (2) is characterized by comprising a fixing plate (21), a right profile sheet (24), a left profile sheet (27), a graduated scale (26), a linkage gear (212), a first straight rack (29), a second straight rack (215), a stepping motor (211) and a rechargeable battery (213), wherein an observation hole (25) is formed in the fixing plate (21), guide rods (23) are respectively connected to the outer sides of circular arcs of the right profile sheet (24) and the left profile sheet (27), the guide rods (23) are respectively positioned on the fixing plate (21) in a sliding mode through first fixing buckles (22), and the right profile sheet (24) and the left profile sheet (27) are symmetrically arranged and located in the observation hole (25); the linkage gear (212) is arranged on the fixing plate (21) through a rotating shaft, the first straight rack (29) and the second straight rack (215) are arranged in parallel and are positioned on two opposite sides of the linkage gear (212), the first straight rack (29) and the second straight rack (215) are respectively meshed with the linkage gear (212), the end part, positioned on the same side, of the first straight rack (29) and the left profile piece (27) is connected with the guide rod (23) on the left profile piece (27) through a connecting rod I (28), and the end part, positioned on the same side, of the second straight rack (215) and the right profile piece (24) is connected with the guide rod (23) on the right profile piece (24) through a connecting rod II (216); the stepping motor (211) is positioned on the fixing plate (21) through the motor support (214), an output shaft of the stepping motor (211) is connected with the linkage gear (212), the stepping motor (211) is electrically connected with the rechargeable battery (213) through the forward and reverse rotation switch (4) and a lead, and the forward and reverse rotation switch (4) is arranged on the outer side of the pen holder (1); one end of the graduated scale (26) is fixedly connected with the left contour sheet (27), and the other end of the graduated scale (26) extends towards the side where the right contour sheet (24) is located and is not connected with the right contour sheet (24); the bottom of the fixing plate (21) is also provided with a light-emitting lamp source (5), the light-emitting lamp source (5) is electrically connected with the rechargeable battery (213) through a lamp source switch (3) and a lead, and the lamp source switch (3) is arranged on the outer side of the pen holder (1).

2. The portable pupil measuring instrument according to claim 1, wherein both ends of the first and second spur racks (29, 215) are respectively fixed on the fixing plate (21) by a second fixing buckle (210).

3. The portable pupil measuring instrument according to claim 1, wherein the light source (5) comprises a white light source bulb and a yellow light source bulb, and the white light source bulb and the yellow light source bulb are electrically connected to the rechargeable battery (213) through corresponding light source switches.

4. The portable pupil measuring instrument as claimed in claim 1, wherein the connection point of the graduated scale (26) and the left profile (27) is a zero point of scale.