CN210372949U

CN210372949U - Flashlight capable of measuring pupil diameter

Info

Publication number: CN210372949U
Application number: CN201921343219.6U
Authority: CN
Inventors: 闫超
Original assignee: Chinese PLA General Hospital
Current assignee: Chinese PLA General Hospital
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-04-21
Anticipated expiration: 2029-08-19

Abstract

A flashlight capable of measuring pupil diameter. The flashlight device comprises a barrel, a rear cover, a battery, a switch, a barrel front end part, a rear cover spring and a bulb, wherein the barrel front end part of the flashlight device is connected with the front cover, the front cover is connected with a diaphragm adjusting device, the battery is loaded in an inner cavity of the barrel, the rear part of the barrel is connected with the rear cover through a screw structure, an inner cavity shell of the rear cover is connected with the rear cover spring, the switch is connected on the circumference of the barrel, the front part of the barrel is connected with the barrel front end part, the bulb is connected at the central position of the barrel front end part, the barrel front end part is insulated with the barrel, a contact of the switch is contacted with the barrel front end part, an adjusting rod of the diaphragm adjusting device moves in an adjusting groove to drive an arc diaphragm blade of the diaphragm adjusting device to move, the diaphragm aperture formed by the arc diaphragm blade is enlarged or reduced.

Description

Flashlight capable of measuring pupil diameter

Technical Field

The utility model belongs to the technical field of medical instrument, a flashlight of measurable quantity pupil diameter is related to.

Background

In clinical work, consciousness observation of patients after critical general anesthesia surgery is mainly judged by observing pupil size and shape and combining clinic, but the current clinic measures the pupil size, most of the current clinic measures and evaluates the pupil size by depending on the experience of medical staff, the accuracy is not high, infection risks exist when multiple people repeatedly use, the measurement result of the pupil size and shape directly influences the judgment of doctors on the patient's condition, the treatment scheme of the next step is influenced, especially, the change of the pupil size and shape of the patient after the brain surgery prompts the change of the patient's condition, and therefore, the accurate measurement on the pupil size and shape is very important.

The measurement method of prior art contrast card has the risk of accidental injury eye tissue, and its cleaning and disinfecting does not have formal measure, and single use of prior art instrument is with high costs, if many people use same measuring tool jointly, in case the instrument is contaminated easily causes patient's eye cross infection.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem that prior art exists to a measurable quantity pupil diameter's flashlight is provided.

The problems in the prior art are solved by the following technical scheme: an electric torch capable of measuring pupil diameter, which comprises a torch body, a rear cover and a battery, the switch, the barrel front end, back lid spring and bulb, the barrel front end of flashlight device is connected with the front shroud, the front shroud is connected with the light ring adjusting device, the inner chamber of barrel loads the battery, the rear portion of barrel passes through the back lid of thread structure connection, the inner chamber casing of back lid connects the back lid spring, connect the switch on the circumference of barrel, the barrel front end is connected to the front portion of barrel, the central point of barrel front end connects the bulb, the barrel front end is insulating with the barrel, the contact of switch and barrel front end contact, the regulation pole of light ring adjusting device moves in the adjustment tank, drive the action of the arc light ring blade of light ring adjusting device, the light ring aperture that the arc light ring blade constitutes enlarges along with it or reduces, the position of adjustment tank has the scale, the scale relative to regulation pole indicates the size of light ring aperture.

The other side of the aperture adjusting device is connected with the connecting ring.

The flashlight device comprises a barrel, a rear cover, a battery, a switch, a barrel front end part, a rear cover spring and a bulb, wherein the barrel front end part of the flashlight device is connected with a front cover, the front cover is connected with a light ring adjusting device, and the light ring adjusting device is a light ring locking structure of a microscope or a light ring structure of a camera.

The utility model has the advantages that the distance from the eye tissue of the patient is far and non-contact through non-contact type and light irradiation measurement, thereby avoiding accidental injury; the pupil diameter is consistent with the light diameter, so that the accurate diameter of the aperture can be measured, and the measured data is more accurate and visual; the flashlight can be repeatedly used, so that the cost is saved; the flashlight body can be cleaned and disinfected, and the flashlight is simple and convenient to operate and easy to realize clinically. Avoiding injuring the eyes of the patient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts. As shown in the figure:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural end view of the aperture adjusting device of the present invention.

In the figure: the device comprises a cylinder body 1, a rear cover 2, a battery 3, a switch 4, a cylinder body front end part 5, a rear cover spring 6, a bulb 7, a front cover 8, an adjusting groove 9, an adjusting rod 10, scales 11, a diaphragm adjusting device 12, an arc diaphragm blade 13 and a diaphragm aperture 14.

The present invention will be further explained with reference to the drawings and examples.

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.

Example 1: as shown in fig. 1 and 2, the flashlight device comprises a barrel 1, a rear cover 2, a battery 3, a switch 4, a barrel front end 5, a rear cover spring 6 and a bulb 7, wherein the aperture adjusting device 12 adopts an iris aperture type convenient diameter measuring device of application No. 201621482858.7, and can also adopt a lock aperture structure of a microscope or an aperture structure of a camera in the prior art. The flashlight device has the same structure as the flashlight in the prior art. The front end part 5 of the cylinder body of the flashlight device is connected with a front cover 8, the front cover 8 is connected with an aperture adjusting device 12, or the other side of the aperture adjusting device 12 is connected with a connecting ring.

The battery 3 is loaded in the inner cavity of the barrel 1, the rear part of the barrel 1 is connected with the rear cover 2 through a screw structure, the inner cavity shell of the rear cover 2 is connected with the rear cover spring 6, the switch 4 is connected on the circumference of the barrel 1, the front part of the barrel 1 is connected with the front end part 5 of the barrel, the central position of the front end part 5 of the barrel is connected with the bulb 7, the front end part 5 of the barrel is insulated with the barrel 1, the contact of the switch 4 is in contact with the front end part 5 of the barrel after moving forwards, and the contact of the switch 4 is separated from the contact with the.

An adjusting rod 10 of the aperture adjusting device 12 moves in the adjusting groove 9 to drive an arc-shaped aperture blade 13 of the aperture adjusting device 12 to move, an aperture 14 formed by the arc-shaped aperture blade 13 is enlarged or reduced, a scale 11 is arranged at the side position of the adjusting groove 9, and the scale 11 opposite to the adjusting rod 10 indicates the size of the aperture 14.

Through the utility model discloses shine by examiner's pupil, medical staff can measure the diameter size by examiner's pupil, and can see the shape of pupil, at first medical staff observes the approximate diameter size of pupil with the naked eye, then medical staff adjusts the light ring, shine by examiner's pupil again, the light ring is finely tuned according to pupil size, make the light beam and the pupil coincidence of light, thereby the diameter that gets the light ring is the diameter of pupil promptly, the diameter grow of the light beam of light or diminish and pupil size unanimous, what measure out in this time is the diameter of pupil at that time, medical staff will measure is exactly the diameter of this pupil.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An electric torch capable of measuring pupil diameter is characterized in that the electric torch device comprises a torch body, a rear cover and a battery, the switch, the barrel front end, back lid spring and bulb, the barrel front end of flashlight device is connected with the front shroud, the front shroud is connected with the light ring adjusting device, the inner chamber of barrel loads the battery, the rear portion of barrel passes through the back lid of thread structure connection, the inner chamber casing of back lid connects the back lid spring, connect the switch on the circumference of barrel, the barrel front end is connected to the front portion of barrel, the central point of barrel front end connects the bulb, the barrel front end is insulating with the barrel, the contact of switch and barrel front end contact, the regulation pole of light ring adjusting device moves in the adjustment tank, drive the action of the arc light ring blade of light ring adjusting device, the light ring aperture that the arc light ring blade constitutes enlarges along with it or reduces, the position of adjustment tank has the scale, the scale relative to regulation pole indicates the size of light ring aperture.

2. The flashlight of claim 1, wherein the aperture adjustment device is connected to the adapter on the other side.

3. The flashlight capable of measuring the pupil diameter is characterized by comprising a barrel, a rear cover, a battery, a switch, a barrel front end part, a rear cover spring and a bulb, wherein the barrel front end part of the flashlight is connected with a front cover, the front cover is connected with a light ring adjusting device, and the light ring adjusting device is a light ring locking structure of a microscope or a light ring structure of a camera.