RU97914U1 - ELECTRODE FIXING DEVICE - Google Patents

Abstract

The proposed utility model relates to the field of medicine, namely to functional studies, in particular myography, and can be used in dentistry for the study of chewing muscles.

The device allows to increase the accuracy of studies of the functional state of the masticatory muscles and ease of use.

A device for fixing electrodes, which is an elastic tape.

The authors see the novelty of the utility model in that the device additionally contains a second elastic tape for fixing it on the back of the head, rigidly fastened to the first tape at an angle of 40-45 ° for fixing on the chin, the ends of the tapes are equipped with clamps.

Description

The proposed utility model relates to the field of medicine, namely to functional research, in particular myography, and can be used in dentistry for the study of chewing muscles.

In modern dentistry, when conducting functional studies of the masticatory muscles, devices with many sensors are widely used (on average up to 8). However, often in the set of such equipment fixing devices for these sensors are not provided (hardware-software diagnostic complex "Neuro-Romiostom"), which complicates the research methodology, in particular, requires a lot of time to install them, and due to the mobility of the sensors, the reliability decreases research results. Therefore, the development and implementation in practice of devices for fixing sensors is very important.

Currently, the electrodes are attached to the test object in various ways: for example, using glue, gel, or using various auxiliary devices.

For example, the FREELY expert diagnostic system (Italy) (see www.http: //vallexm.ru) uses disposable bipolar surface electrodes made of liquid-impermeable polyethylene foam with a solid gel and a push-button connection, which are glued to the muscle bundle parallel to the location of muscle fibers.

However, such a system has significant disadvantages. Firstly, unpleasant sensations when removing electrodes from the skin. Secondly, constant purchase of new sets of electrodes is required. Examination of 1 patient requires 3 pairs of electrodes, and given that there are only 25 pieces in the package, the study is very expensive.

The Neuro-MVP-Micro electroneuromyograph set (see http://www.medtehnika.com) uses the Unipasta electronic adhesive paste (100 g) to fix the sensors

A similar system has 3 main disadvantages. Firstly, paste is a consumable that is designed for a certain number of studies, quickly ends and requires additional purchase. Secondly, after each use of the paste, the sensors have to be cleaned and processed, which requires additional time. Thirdly, when using paste, the possibility of developing allergic reactions is not excluded.

A known set of EEG electrodes KE-EEG-10/20 ENCEPHALAN-KE (see http://www.8a.ru) with an elastic cap for their fixation using sockets equipped with collet clamps. The high part of the nest is facing the patient’s head, which provides reliable clamping of the electrode fixed in the nest with the elastic fabric of the cap. The color of the socket corresponds to the color of the electrode that is installed there. In the plastic case of each electrode, a cavity is provided for insertion or addition through the external hole using a conventional syringe (without a needle) of the electrode paste, which provides reliable electrical contact. Viscosity and large paste volume (buried electrode type) minimize artifacts during signal recording. There are 4 conductors with pin connectors for connecting the reference electrodes A1 and A2 and EOG and EMG electrodes into the hub. A cable comes out of the hub, terminating in a group connector. In the middle of the cable there is a socket for connecting the lead-in conductor of a disposable ECG electrode. A connector for a breathing recursion sensor is installed in the group connector housing. The group connector is connected to the connector of the communication cable of the electroencephalograph. The device can significantly simplify the process of installing and removing electrodes, accurately and quickly positioning removable EEG electrodes on the patient’s head, combined into an electrode system with a common cable.

However, the known device is intended for functional studies of the brain and cannot be used to study the masticatory muscles.

For the prototype of the proposed device, a device for fixing electrodes is selected, which is an elastic tape (see http://www.esma.ru).

The device is used in equipment for ESMA beauty salons, cosmetology equipment, and ESMA sports equipment for sports medicine and rehabilitation medicine.

However, the known device also cannot be used to study the masticatory muscles.

The objective of the proposed device is to increase the accuracy of studies of the functional state of the masticatory muscles and ease of use.

The problem is solved in that in the known device for fixing the electrodes, which is an elastic tape, the device further comprises a second elastic tape for fixing it on the back of the head, rigidly fastened to the first tape at an angle of 40-45 °, for fixing it under the chin, the ends of the tapes equipped with hook and loop fasteners.

The description of the device is illustrated in graphic material.

Figure 1 shows the proposed device for fixing the electrodes.

A device for fixing electrodes during functional research in dentistry contains an elastic band 1 for fixing on the chin, with which the second elastic band 2 is rigidly fastened at an angle of 40-45 ° to fix it on the back of the head. The ends of the tapes are equipped with clamps 3, for example, according to the type of "Velcro".

The proposed device operates as follows.

First, the device is worn on the patient’s head like a hat, so that the middle part of the elastic tape 2 is located on the patient’s forehead. Then, given the size of the head, the occipital ends of the tape are fixed. After that, given the size of the face, set the middle part of the elastic tape 1 on the parietal part of the head and fix the ends of the front of the device under the chin. Having fixed the device under the chin with the help of Velcro, the patient is offered to make several chewing movements, while the doctor controls the freedom of muscle movements and the fixation of the device on the head. Then, electrodes are placed under the elastic bands on the skin in the region of the muscle under study.

The proposed device allows you to qualitatively and stably fix the sensors on the skin, taking into account the individual variability of the size of the patient’s head, which in a certain way standardizes the examination conditions and increases the reliability of the results. The long service life and low-cost production technology allows us to recommend this device for inclusion in a set of diagnostic equipment. Due to the elasticity of the tape, the device does not constrain muscle movements, and the presence of Velcro-type tape clips allows you to vary the size of the device individually for each patient. The device lasts a long time, does not require replacement, and is much cheaper than its counterparts.

An example of a specific performance is given in the form of an extract from the study protocol

Patient Shushunova M.E., 20 years old, complained of pain in the masticatory muscles in the morning. The examination revealed signs of parafunction of the masticatory muscles. The patient was aimed at conducting surface electromyography of the chewing and temporal muscles. Sensors with a conductive gel were fixed on the patient’s head using this universal device. During the study, the patient performed increased tooth compression (static load) and chewing movements (dynamic load). Chewing gum was used to simulate chewing movements. In both cases, the sensors remained in contact with the skin.

Claims (1)

A device for fixing electrodes, which is an elastic tape, characterized in that the device further comprises a second elastic tape for fixing it on the back of the head, rigidly fastened to the first tape at an angle of 40-45 ° for fixing under its chin, the ends of the tapes are equipped with clamps of the type " Velcro. "