RU193344U1 - GOGGLES FOR VIDEONISTAGMOSCOPY - Google Patents

Abstract

The utility model relates to medical equipment and can be used to diagnose nystagmus when performing video nystagmoscopy and positional maneuvers. EFFECT: improved vision of the patient’s eyes by providing glasses for video nystagmoscopy with a lighting element, which will increase the clarity of visualization of nystagmus and simplify the assessment of the vestibuloocular reflex. This is achieved by the fact that plastic prismatic Fresnel lenses are inserted into the body made of leather on a dense fabric base. Transparent plastic in the form of semi-ovals is inserted into the side surfaces of the casing in an aluminum frame. The glasses contain a lithium-ion battery with a charging module equipped with a MicroUSB connector, an LED mode indicator and an LED strip located in a translucent plastic frame. The lithium-ion battery is connected by an electric wire to the charging module, which through the on / off button connected by an electric wire to the LED strip.

Description

The utility model relates to the field of medicine, namely to medical equipment and can be used when performing video nystagmoscopy and also when performing positional maneuvers and when registering a nystagmine reaction from both eyes.

At the moment, the presence of glasses for diagnosing nystagmus in the outpatient department of an ENT doctor is legally prescribed.

When performing video nystagmography, a helmet-mask is used with a unit integrated into the eyepiece frame, inside which an infrared video camera operating from the electric network is placed, that is, the helmet-mask is intended for only one eye. In addition to the helmet mask, an obturator is attached, with which it is possible to close the slot for the other eye [Operating Instructions for VNG ULMER, Manufacturer: Synapsys, France].

A helmet mask for video nystagmography is also known. This is achieved by the fact that two remote radio-wave chambers are installed in the eyepiece frame, and the helmet mask is additionally equipped with a temporal temporal latch, consisting of a headband and two protective ear linings attached to it from the inside. A wireless power source is installed on the headband connected to the eyepiece frame with a fastener (RU 136312, 2014).

The above constructions have the following disadvantages: limited mobility, the need for batteries, high cost (the cost of a helmet mask for video nystagmography VNG ULMER, manufacturer: Synapsys, France, is about 500,000 rubles, and a helmet mask for video nystagmography, patent RU 136312 - 50,000 rubles) .

As a prototype for the closest technical nature, we have chosen glasses for video nystagmoscopy, consisting of a body made of leather on a dense fabric base. Plastic prismatic Fresnel lenses of 20 prismatic diopters are inserted into the case in an aluminum frame, focal length is 6 mm, made in the form of semi-ovals, the rounded sides of which are closer to the inner corners of the patient's eyes, the length of the small axes of the Fresnel lenses is 43 mm, the major axes are 50 mm . Transparent plastic in the form of semi-ovals is inserted into the side surfaces of the housing in an aluminum frame so that its non-rounded sides are parallel to the non-rounded sides of the plastic Fresnel prismatic lenses and their lengths are equal. Glasses also contain rubber fasteners, equipped with a regulator of its length and connected to the side surface of the body for fixing to the head.

The disadvantages of the prototype include the lack of a lighting element in the design, since their lighting was provided only by lighting the room in which the doctor is located, which creates difficulties when working with glasses, consisting in insufficient clarity of visualization of nystagmus, which, in turn, makes it difficult to evaluate vestibuloocular reflex.

The technical result of the utility model is to improve the vision of the patient's eyes by providing glasses for video nystagmoscopy with a lighting element, which will increase the clarity of visualization of nystagmus and simplify the assessment of the vestibuloocular reflex.

The technical result of the utility model is achieved in that the glasses for video nystagmoscopy consist of a body made of leather on a dense fabric base. Plastic prismatic Fresnel lenses of 20 prismatic diopters are inserted into the case in an aluminum frame. The focal length is 6 mm, made in the form of semi-ovals, the rounded sides of which are facing the medial corners of the patient's eyes. The length of the small axes of the plastic prismatic Fresnel lenses is 43 mm, the length of their major axes is 50 mm. Transparent plastic in the form of semi-ovals is inserted into the side surfaces of the housing in an aluminum frame, the lengths of the small axes of which are equal to the lengths of the small axes of the plastic prismatic Fresnel lenses. Glasses for video nystagmoscopy also contain rubber fasteners equipped with a regulator of its length and connected to the side surface of the body for fixing to the head. The utility model contains a lithium-ion battery with a voltage of 3.7 V (Volts) and a capacity of 250 mAh (milliamps / hours) with a charging module equipped with a MicroUSB connector and an LED mode indicator. The LED strip is placed in a translucent plastic frame and consists of serially connected white LEDs with a voltage of 3.2 V, a light temperature of 6000 K, a diffusion angle of 120 degrees. A translucent plastic frame is located on the inner surface of the plastic prismatic Fresnel lenses, repeating their contours. The lithium-ion battery of glasses with a charging module and a micro USB connector is located in a compartment equipped with an on / off button, made on a 3D printer and fixed on one of the above transparent plastics and repeats their shape and size. The lithium-ion battery is connected by an electric wire to the charging module, and the charging module is connected via an on / off button to the LED strip by an electric wire.

In FIG. 1, 2 and 3 are photographs showing a utility model, where:

1. a lithium-ion battery with a charging module, equipped with a MicroUSB connector and an LED indicator of the operating mode;

2. An electric wire connecting the lithium-ion battery to the charging module;

3. compartment;

4. LED strip;

5. housing;

6. rubber fasteners;

7. rubber length adjuster.

8. plastic prismatic Frinel lenses in an aluminum frame;

9. side surfaces of the housing;

10. transparent plastic in an aluminum frame;

11. non-rounded sides of transparent plastic made in the form of semi-ovals;

12. The rounded sides of the plastic prismatic Fresnel lenses;

13. button on / off;

14. electric wire 2 connecting the charging module through the on / off button with the LED strip.

15. translucent plastic frame;

The utility model works as follows: A lithium-ion battery (1) connected by an electric wire (2) to a charging module equipped with a MicroUSB connector and an LED indicator of the operating mode and located in the compartment (3) is charged before operation (the charge lasts for 2 weeks of operation ) to provide power to the LED strip (4). When the operating mode LED is red, the battery is charging, when green is flashing, the battery is half charged, when green is on - the charge is full. The doctor takes glasses by the body (5) and puts it on the patient’s face so that the body is pressed firmly against the paraorbital part of the face. Rubber fasteners (6), using the length adjuster (7), tightly press the glasses to the face so that the eyes of the subject are in the projection of plastic prismatic Fresnel lenses in an aluminum frame (8). The lateral surfaces (9) of the housing (4) hold transparent plastic in an aluminum frame (10) in order to naturally illuminate the patient's eyes. The non-rounded sides of transparent plastic made in the form of semi-ovals (11) and the non-rounded sides of plastic Fresnel prismatic lenses (12) are out of the patient's field of view and do not allow fixing the gaze.

By pressing the on / off button (13), which is equipped with a compartment (3) fixed on one of the transparent plastics in an aluminum frame (10) using an electric wire (14) connecting through the on / off button. (13) the charging module, equipped with a MicroUSB connector and located in the compartment (3), with LED strip (4), includes a LED strip (4) located in a translucent plastic frame (15) located on the inner surface of the plastic Fresnel prismatic lenses in aluminum frame (7), which improves the clarity of visualization of nystagmus and simplifies the assessment of the vestibular ocular reflex. The doctor evaluates eye mobility and determines the presence of nystagmus through plastic prismatic Fresnel lenses in an aluminum frame (8). At the end of the examination, turn off the LED strip (4) using the on / off button (13) and remove the glasses for video nystagmoscopy from the patient.

Distinctive essential features and a causal relationship between them and the achieved technical result:

- Glasses for video nystagmoscopy additionally contain a 3.7 V (Volt) lithium-ion battery and a capacity of 250 mAh (milliamperes / hours) with a charging module equipped with a MicroUSB connector and an LED mode indicator.

The lithium-ion battery provides power to the LED strip.

The charging module, equipped with a MicroUSB connector and an LED indicator of the operating mode, provides charging the lithium-ion battery, while demonstrating the degree of charge. When the operating mode LED is red, the battery is charging, when green is flashing, the battery is half charged, when green is on - the charge is full.

- The device also additionally contains an LED strip placed in a translucent plastic frame and consisting of serially connected white LEDs with a voltage of 3.2 V, a light temperature of 6000 K, a diffusion angle of 120 degrees.

LED strip improves vision of the patient.

LEDs represent, in fact, luminous points at which the fixation of vision is possible. A translucent plastic frame provides diffused and soft light from the LED strip, which is necessary so that there is no fixation of the gaze, since peripheral nystagmus is amplified by removing the fixation 3 or more times, which allows more accurate differential diagnostics.

The parameters of voltage, light temperature and scattering angle are sufficient for clarity of visualization of nystagmus.

- A translucent plastic frame with an LED strip located in it is located on the inner surface of the plastic prismatic Fresnel lenses, repeating their contours.

The location of the translucent plastic frame with the LED strip located in it on the inner surface of the plastic prismatic Fresnel lens provides illumination of the patient's eyes.

The translucent plastic frame follows the contours of the plastic prismatic Fresnel lenses, that is, does not go beyond them, thereby providing convenience for both the patient and the doctor.

- The lithium-ion battery of glasses with a charging module, with a micro USB connector, is located in the compartment equipped with an on / off button, made on a 3D printer and fixed on one of the transparent plastics inserted into the side surfaces of the case in the form of semi-ovals, and repeats their shape and size.

The compartment is designed to accommodate a 3.7 V (Volt) lithium-ion battery and a capacity of 250 mAh (milliamperes / hours) with a charging module equipped with a MicroUSB connector and an LED mode indicator and equipped with an on / off button to turn it on and off devices.

The compartment is designed specifically for the shape of glasses for video nystagmoscopy, and therefore is made according to a three-dimensional model on a 3D printer.

- The lithium-ion battery is connected by an electric wire to the charging module, and the charging module via the on / off button. connected by an electric wire to the LED strip.

An electric circuit connecting the lithium-ion battery with an electric wire to the charging module, equipped with a MicroUSB connector and an LED indicator of the operating mode, provides a safe discharge / charge of the lithium-ion battery.

A second electrical circuit connects the charging module to the LED strip illuminating the glasses through the switch.

In the LED strip, we used white SMD LEDs of size 0603.

The utility model has been successfully tested at the Department of Otorhinolaryngology, St. Petersburg State Medical University. I.I. Mechnikov in 46 patients.

Thus, the developed utility model improves the vision of the patient’s eyes by providing glasses for video nystagmoscopy with a lighting element, which increases the clarity of visualization of nystagmus and simplifies the assessment of the vestibuloocular reflex.

Claims (1)

Glasses for video nystagmoscopy, consisting of a case made of leather on a dense fabric base, plastic prismatic Fresnel lenses 20 prismatic diopters, focal length 6 mm, made in the form of semi-ovals, the rounded sides of which are closer to the inner corners of the eyes, are inserted into the case in an aluminum frame of the patient, the length of the small axes of the Fresnel lenses is 43 mm, the large axes are 50 mm, transparent plastic in the form of semi-ovals is inserted into the side surfaces of the case in an aluminum frame so that its non-rounded sides are parallel They are equal to the rounded sides of the plastic Fresnel prismatic lenses and their lengths are equal, the glasses also contain rubber fasteners equipped with a regulator of its length and connected to the side surface of the body for fixing to the head, characterized in that the glasses for video nystagmoscopy additionally contain a 3.7-volt lithium-ion battery V (Volt) and a capacity of 250 mAh (milliamps / hours) with a charging module equipped with a MicroUSB connector and an LED indicator of the operating mode, as well as an LED strip placed in a translucent plastic ohm frame and consisting of series-connected electrically connected white LEDs with a voltage of 3.2 V, a light temperature of 6000 K, a scattering angle of 120 degrees, while a translucent plastic frame is located on the inner surface of the plastic prismatic Fresnel lenses, repeating their contours, and a lithium-ion battery glasses is located in the compartment, equipped with an on / off button, made on a 3D printer and fixed on one of the above transparent plastics, repeating their shape and size, while the lithium-ion battery The torus is connected by an electric wire to the charging module, equipped with a MicroUSB connector and an LED indicator of the operating mode, and the charging module through the on / off button. connected by an electric wire to the LED strip.

Images