CN217611547U - Auxiliary device for pulp electric activity test - Google Patents

Abstract

The utility model belongs to the technical field of medical equipment, especially, be an auxiliary device for pulp electricity vitality test, including external connecting sleeve, still include the auxiliary assembly who sets up in external connecting sleeve surface, the auxiliary assembly includes toper cover, arc test panel, inside conducting rod and lug, toper cover fixed connection is in the one end of external connecting sleeve, the tip of external connecting sleeve has seted up the mounting groove, inside conducting rod fixed connection is in the internal wall of mounting groove; the device can be repeatedly plucked and worn, and cyclic disinfection utilizes, has increased the area of contact of electric activity tester with the tooth simultaneously, prevents to slide in the testing process, prevents to be favorable to making the testing rod and the inside conducting rod of tester be connected conduction current because of the little measuring error who causes of area of contact, guarantees simultaneously that the device fixes the position of testing rod in the use.

Description

A kind of auxiliary device for pulp electrical vitality test

technical field

The utility model belongs to the technical field of medical devices, in particular to an auxiliary device for testing the electrical vitality of dental pulp.

Background technique

In the dental pulp electrical activity test in the oral cavity, the test rod of the electrical activity meter needs to contact the tooth surface, use the instrument to generate pulse current, generate electrical stimulation to the dental nerve, record the response value of the dental nerve to the electrical stimulation, so as to judge the dental nerve activity. At present, the contact surface of the test rod of the electric viability meter on the market is an oval metal inclined surface with a diameter of about 2mm, and it is relatively smooth. When it is placed on the dry tooth surface, it is easy to slide and damage the gums. In addition, it is different from the smooth and flat surface of the front teeth. , The buccal surface of the posterior teeth is arc-shaped, and the test rod is difficult to fit with the tooth surface. The above reasons increase the error and difficulty of the dental pulp electrical activity test, increase the doctor's diagnosis and treatment time, and bring inconvenience to the patient.

To this end, an auxiliary device for pulp electrical viability test is designed to solve the above problems.

Utility model content

In order to solve the problems raised in the above background art. The utility model provides an auxiliary device for testing the electrical activity of dental pulp. The device can be removed and worn repeatedly, and can be sterilized and utilized in a cycle. At the same time, the contact area between the electrical activity tester and the teeth is increased, so as to prevent sliding during the testing process and prevent The measurement error caused by the small contact area is beneficial to connect the test rod of the tester with the internal conductive rod to conduct current, and at the same time ensure that the position of the test rod is fixed during the use of the device.

In order to achieve the above purpose, the present invention provides the following technical solutions: an auxiliary device for testing the electrical activity of dental pulp, comprising an external connection sleeve and an auxiliary component arranged on the surface of the external connection sleeve;

The auxiliary assembly includes a conical sleeve, an arc-shaped test board, an inner conductive rod and a bump, the conical sleeve is fixedly connected to one end of the outer connection sleeve, and the end of the outer connection sleeve is provided with a mounting plate. The inner conductive rod is fixedly connected to the inner wall surface of the installation groove, the arc-shaped test board is fixedly connected to the end of the inner conductive rod close to the tapered sleeve, and the arc-shaped test board is connected to the cone. The inner wall surfaces of the shaped sleeve are in contact with each other, and the protruding block is fixedly connected to the side of the tapered sleeve away from the outer connecting sleeve.

As an auxiliary device for testing the electrical vitality of the dental pulp of the present invention, it is preferable to further comprise a sealing plug, the sealing plug being fixedly connected to the inner wall surface of the external connection sleeve.

It is preferred as an auxiliary device for pulp electrical activity test of the present invention, and also includes a limit component;

The limiting assembly includes a connecting guide block, an insulating spring and a bending guide piece, a concave groove is formed at one end of the inner conductive rod away from the arc-shaped test board, and the connecting guide block is fixedly connected to the concave groove The inner wall surface of the bending guide piece is symmetrically and fixedly connected to the upper surface of the connecting guide block, the insulating spring is fixedly connected to the surface of the bending guide piece, and the insulating spring is away from the bending guide piece. One end of the groove is fixedly connected with the inner wall surface of the recessed groove.

Preferably, as an auxiliary device for pulp electrical activity test of the present invention, it further includes a rubber pad, a through groove is formed on the surface of the sealing plug, and the rubber pad is symmetrically and fixedly connected to the inner wall surface of the through slot.

Compared with the prior art, the beneficial effects of the present utility model are:

1. Prevent the electric viability tester from slipping: the bottom of the arc test plate is designed in an arc shape, which can better fit the tooth surface, and the bottom of the tapered sleeve contacts the tooth surface, which increases the friction and prevents the device from sliding on the tooth surface. , reduce errors and prevent damage to the front teeth and gums.

2. Accurate measurement: the bottom of the device increases the contact area with the tooth surface to prevent measurement errors caused by the small contact area.

3. Conducive to aseptic diagnosis and treatment: The auxiliary device can be replaced at any time, and can be recycled and used for disinfection to ensure that each patient uses a sterile device to contact the tooth surface during diagnosis and treatment to reduce pollution.

4. Insert the test rod of the electrical vitality tester along the inner wall of the through groove, and clamp and fix the test rod of the tester under the action of the elastic potential energy of the insulating spring, and further fix the test rod under the action of the rubber pad. , which is beneficial to connect the test rod of the tester with the internal conductive rod to conduct current, and at the same time to ensure that the position of the test rod is fixed during the use of the device, thereby improving the use effect of the device.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention. In the attached image:

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the sectional view in the utility model;

Fig. 3 is the enlarged view of place A in Fig. 2 of the utility model;

Fig. 4 is the structural representation of inner conductive rod and arc-shaped test plate in the utility model;

Fig. 5 is the structural schematic diagram of the external connection sleeve and the conical sleeve in the utility model;

6 is a schematic structural diagram of a tapered sleeve and a bump in the utility model;

In the picture:

1. External connection sleeve;

2. Auxiliary components; 21. Conical sleeve; 22. Arc test board; 23. Installation slot; 24. Internal conductive rod; 25. Sealing plug; 26. Bump;

3. Limiting component; 31. Through groove; 32, Rubber pad; 33, Recessed groove; 34, Bending guide piece; 35, Insulating spring; 36, Connecting guide block.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As shown in Figure 1;

An auxiliary device for testing the electrical vitality of dental pulp, comprising an external connection sleeve 1 .

In this embodiment: in the oral dental pulp electrical activity test, it is necessary to touch the test rod of the electrical activity meter to the tooth surface, use the instrument to generate pulse current, generate electrical stimulation to the dental nerve, and record the response value of the dental nerve to the electrical stimulation, thereby Judgment of dental nerve vitality; when the test rod of the current electric vitality meter on the market is placed on the dry tooth surface, it is easy to slide and damage the gums. , which increases the doctor's diagnosis and treatment time and brings inconvenience to the patient. Based on this, an auxiliary component 2 and a limit component 3 are added.

Going further:

As shown in Figure 1 to Figure 6:

In combination with the above content: the auxiliary assembly 2 includes a conical sleeve 21, an arc-shaped test plate 22, a sealing plug 25, an inner conductive rod 24 and a bump 26, the conical sleeve 21 is fixedly connected to one end of the external connection sleeve 1, and the external connection sleeve The end of the cylinder 1 is provided with an installation groove 23, the inner conductive rod 24 is fixedly connected to the inner wall surface of the installation groove 23, the arc-shaped test board 22 is fixedly connected to the end of the inner conductive rod 24 close to the tapered sleeve 21, and the arc-shaped test board 22 is in contact with the inner wall surface of the conical sleeve 21 , the bump 26 is fixedly connected to the side of the conical sleeve 21 away from the external connection sleeve 1 , and the sealing plug 25 is fixedly connected to the inner wall surface of the external connection sleeve 1 .

In this embodiment: when the device is in use, the inner conductive rod 24 and the arc-shaped test plate 22 are both metal conductive materials, the inner conductive rod 24 is conductively connected with the test rod of the electrical activity tester, and the arc-shaped test plate 22 is far away from the interior One side of the conductive rod 24 is arc-shaped, and the bottom area of the arc-shaped test plate 22 is larger than the area of the test rod, so as to increase the contact surface with the tooth surface. It can be replaced at any time, and can be sterilized and reused to ensure that each patient uses a sterile device to contact the tooth surface during diagnosis and treatment to reduce pollution. The inner conductive rod 24 is fixedly connected to the inside of the installation groove 23. The setting is so as to facilitate the contact between the conical sleeve 21 and the tooth surface, increase the friction between the conical sleeve 21 and the tooth surface, prevent slippage, and the inner conductive rod 24 is in contact with the test rod of the electrical activity tester to conduct current, while the arc-shaped test plate 22 The bottom is designed as an arc, which increases the contact area with the tooth surface and prevents the measurement error caused by the small contact area.

It should be noted that: the device can be removed and worn repeatedly, sterilized and reused in a cycle, and the contact area between the electrical vitality tester and the teeth is increased, so as to prevent sliding during the test, and improve the use effect of the auxiliary device.

Going a step further:

In an optional embodiment, the limiting assembly 3 includes a connecting guide block 36 , a rubber pad 32 , an insulating spring 35 and a bending guide 34 , and a recessed groove 33 is formed at one end of the inner conductive rod 24 away from the arc-shaped test plate 22 , and the connecting guide block 36 is fixedly connected to the inner wall surface of the recessed groove 33, the bending guide piece 34 is symmetrically and fixedly connected to the upper surface of the connecting guide block 36, the insulating spring 35 is fixedly connected to the surface of the bending guide piece 34, and the insulating spring 35 One end away from the bending guide piece 34 is fixedly connected to the inner wall surface of the recessed groove 33 , the surface of the sealing plug 25 is provided with a through groove 31 , and the rubber pad 32 is symmetrically and fixedly connected to the inner wall surface of the through groove 31 .

In this embodiment: when the device needs to be conductively connected with the test rod of the electric vitality tester, the test rod of the electric vitality tester is inserted along the inner wall surface of the through groove 31, and the test rod is moved with the movement of the test rod. The two bending guides 34 slide between them, and the insulating spring 35 is in a compressed state with the sliding of the test rod. Under the action of the elastic potential energy of the insulating spring 35, the test rod of the tester is clamped and fixed. The test rod is further fixed under the action of the tester, which is conducive to connecting the test rod of the tester to the internal conductive rod 24 to conduct current, and at the same time ensures that the position of the test rod is fixed during the use of the device, thereby improving the use effect of the device.

It should be noted that the two bending guide pieces 34 are attached to each other, so that the position of the inserted test rod can be fixed under the action of the insulating spring 35, so that the test rod of the tester can be connected to the inner conductive rod 24 to conduct current. , the bending guide piece 34, the connecting guide block 36 and the inner conductive rod 24 are electrically connected.

Finally, it should be noted that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. , it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (4)

1. An auxiliary device for endodontic electroviability testing, comprising an external connection sleeve (1), characterized in that: the auxiliary component (2) is arranged on the surface of the external connecting sleeve (1);

auxiliary assembly (2) are including taper sleeve (21), arc testing board (22), inside conducting rod (24) and lug (26), taper sleeve (21) fixed connection is in the one end of external connection sleeve (1), mounting groove (23) have been seted up to the tip of external connection sleeve (1), inside conducting rod (24) fixed connection is in the internal face of mounting groove (23), arc testing board (22) fixed connection is in inside conducting rod (24) are close to the one end of taper sleeve (21), just arc testing board (22) laminate mutually with the internal face of taper sleeve (21), lug (26) fixed connection is in taper sleeve (21) are kept away from the one side of external connection sleeve (1).

2. The aid for endodontic electroviability testing according to claim 1, wherein: the sealing plug (25) is fixedly connected to the inner wall surface of the external connecting sleeve (1).

3. The aid for endodontic electroviability testing according to claim 2, wherein: the device also comprises a limiting component (3);

spacing subassembly (3) are including connecting guide block (36), insulating spring (35) and bend guide plate (34), inside conducting rod (24) are kept away from depressed groove (33) have been seted up to the one end that arc was surveyed board (22), just connect guide block (36) fixed connection in the internal face of depressed groove (33), bend guide plate (34) symmetry fixed connection in connect the upper surface of guide block (36), insulating spring (35) fixed connection in bend the surface of guide plate (34), insulating spring (35) are kept away from bend the one end of guide plate (34) with the internal face fixed connection of depressed groove (33).

4. The assistive device for endodontic electrical viability test of claim 3, wherein: the sealing plug is characterized by further comprising a rubber pad (32), a through groove (31) is formed in the surface of the sealing plug (25), and the rubber pad (32) is symmetrically and fixedly connected to the inner wall surface of the through groove (31).

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