JPS6032694Y2 - dental mannequin - Google Patents

Description

[Detailed description of the invention] The present invention is an improvement of a dental mannequin. Specifically, the purpose of this invention is to improve dental mannequins, and more specifically, to check whether the pressure of the injection needle or the insertion site is correct for each predetermined region when dental trainees practice transfer anesthesia on the mannequin. This is indicated by an audible display using a buzzer or a lighting display using a light.
This made it easy to obtain.

The mannequin head and mannequin jaw combined with the human head structure and jaw structure are created by selecting appropriate materials such as synthetic resin, natural rubber, and synthetic rubber, and can be used as teaching materials for dental training. Although it is widely used, until now when practicing dental delivery anesthesia injections, it has been left up to the instructor's empirical rules to judge whether the insertion site of the injection needle is in the prescribed dental position. There was a lack of accurate judgment criteria in the training.

The present invention improves this point by providing an audible display using a buzzer or an illuminated light so that trainees can easily understand the insertion site of the lumbar injection needle, eliminating the need for an instructor's assistance. I can do it.

A preferred embodiment of the present invention will be described in detail below. Fig. 1 is a perspective view from the front showing an embodiment of the mannequin of the present invention, and Fig. 2 is a partially enlarged vertical sectional view including a sensor in the incisor hole. , FIG. 3 is an enlarged longitudinal sectional view of only the sensor, and FIG. 4 shows an embodiment of the electric circuit.

The present invention provides a predetermined insertion site a of the injection needle 12 for dental delivery anesthesia.
Sensors 15 containing a pressure-sensitive conductive elastomer are built inside the mannequin structure corresponding to g, and the sensors 15 are made conductive by pressing or inserting the injection needle 12, and the obtained electric signal is generated. This is a dental mannequin that has an audio display using a buzzer or a lighting display using a light.

The mannequin shown in the example is a mannequin head made from hard synthetic resin.
and a mannequin jaw part 10 obtained from the following materials,
The mannequin jaw part 10 includes upper and lower jaw bones made of synthetic resin, a total of eight artificial teeth 8 with artificial roots made of the same resin and implanted from the alveolar bone of these jaw bones, and a gum part 4 made of pink-colored silicone rubber. , an oral mucosa 7 made of the same material, a tongue 5 made of soft urethaneformic acid, a buccal mucosa 6 made of natural rubber covering the tongue 5, and a buccal mucosa 6 that can be freely attached and detached from the buccal mucosa 6. , and a silicone rubber mask (lips...2) extending to the border of the nasolabial folds.

In addition, in the figure, 8 is a mannequin mounting bracket, and 9 is a display section.

In order to perform transfer anesthesia on such a dental mannequin, the pressing or insertion site of the injection needle 12 of the syringe 11 is as follows:
As shown in Fig. 1, infraorbital foramen a1 maxillary tuberosity b1 operculum foramen C1 incisor foramen d1 mandibular foramen e1 mandibular foramen f and muscular foramen g
For convenience, there are 7 locations, but this is an all-inclusive list, and depending on the situation, it may be possible to focus on just one of these for practice.

FIG. 3 shows the structure of the sensor 15 in the above sections 3- and -g.

This sensor 15 has a pressure-sensitive conductive elastomer piece 153 sandwiched between upper and lower pairs of counter electrodes 151 and 152, and one of the electrodes 151 and 152 is connected to the injection needle 1.
When the tip of the piece 153 is pressed or pricked, the piece 153 becomes conductive and closes the circuit shown in FIG.

This circuit is an example of a display circuit in which a lighting display section 9 using a light is connected in series to a power source E.
are connected in series to the display section 9, and the sensor 1
5 is conductive and the needle 12 is pressed or inserted into a predetermined site, the circuit of the display section 9 is made conductive to indicate whether or not the injection is appropriate.As shown in FIG. It includes indicators 91 for each pressing or insertion site, display boards 92 disposed close to each, a power switch 16, and a display selection switch 93 for each site, for example. After the switch is turned on, each display board 92 is illuminated with a light when the injection needle 12 is pressed or inserted into a target site.

However, such a lighting display is only one mode and is not limited to this. Instead of a lighting display, a buzzer may be incorporated in the display section 9 and a buzzer will sound when the injection needle is pressed or inserted into the target area. It is also possible to provide an audio display such as a sound.

FIG. 2 shows a procedure for installing the sensor 15 in the incisor hole d.

In this example, the sensor 15 is embedded within the thickness of the jaw part 13, and when the injection needle 12 connected to the display part 9 by the cord C and pressed or inserted from above the gum 4 presses the sensor 15, According to the above-mentioned operation, the display section 9 displays an audio display using a buzzer or a lighting display using a light.

In the same figure, 14 is a jaw model case, 31 is an artificial tooth crown, 3
2 shows artificial tooth roots, respectively.

Further, although a real injection needle may be used, if a pseudo needle with a solid rounded tip is used, the gingiva 4 will not be ruptured, and the training can be practiced in the same condition many times.

Furthermore, if an actual injection needle is used, the patient can experience the sensation of puncturing the needle through the gums 4 at the same time.

As described above, the present invention incorporates a pressure-sensitive conductive sensor inside the manikin structure corresponding to the predetermined insertion site of the injection needle for delivery anesthesia, and uses the electrical signal obtained by the pressure or insertion of the injection needle to detect this. Because it is displayed, it is much more scientific and empirical than the conventional method in which the appropriateness of injection is determined solely by the sense of the instructor, and is extremely effective in dental practice.

[Brief explanation of the drawing]

Fig. 1 is a perspective view from the front side showing an embodiment of the mannequin of the present invention, Fig. 2 is a partially enlarged longitudinal sectional view including the sensor in the incisor hole, Fig. 3 is an enlarged longitudinal sectional view of only the sensor, and Fig. 3 is an enlarged longitudinal sectional view of only the sensor. 4
The figure shows an example of an electrical circuit diagram. Explanation of symbols, 1...Mannequin head, 10...
...Mannequin jaw, 3-g...Predetermined pressing site of injection needle for delivery anesthesia, 15...Sensor, 151
, 152... counter electrode, 153... pressure sensitive conductive elastomer chip, 11... syringe, 12
...Injection needle, 9...Display section, 91...
... Sign, 92 ... Display board, 16 ...
...Power switch, 93...Display selection switch.

Claims (1)

[Scope of Claim for Utility Model Registration] 1. A sensor containing a pressure-sensitive conductive elastomer is built into the mannequin structure corresponding to a predetermined insertion site of a syringe needle for dental delivery anesthesia, and the sensor is made conductive by pressing or inserting the syringe needle. A dental mannequin that uses a buzzer to make a sound or lights up to display an indication based on the electrical signals obtained. 2. The dental mannequin according to claim 1, wherein the indication by the sound of the buzzer or the lighting of the light indicates whether the pressing or insertion is correct or not. 3. The dental manikin according to claim 1, wherein the sensor comprises a pair of upper and lower counter electrodes and a pressure-sensitive conductive elastomer piece held between them. 4. The dental clinic according to claim 1, wherein the pressing or insertion site of the injection needle is the infraorbital foramen, maxillary tubercle, greater palatine foramen, incisor foramen, mandibular foramen, mandibular foramen, and muscular foramen. mannequin.