阅读说明：本技术 扩展现实xr的一种口腔麻醉注射训练器 (Oral cavity anesthesia injection training device of extended reality XR ) 是由 李�昊 张乐谦 李梅先 于 2020-04-15 设计创作，主要内容包括：本发明涉及医疗训练器材技术领域,且公开了扩展现实XR的一种口腔麻醉注射训练器,包括塑料颌骨模具和AR定位应用软件,所述塑料颌骨模具的内部设有仿生牙龈,所述仿生牙龈的内部设有麻醉注射颌骨触针点金属反应元件和柔性金属模拟血管。本发明通过仿生材料、电子感应技术、及AR技术实现可视化注射练习模拟,采用防生材质制作人造牙龈组织给以真实的进针阻滞感,通过电子感应装置模拟血管及麻醉浸润点位置让学生在无AR透视功能下就可以进行正确进针姿势及定位练习,在AR功能下可以通过SLAM算法对注射器的实体针头进行虚拟空间下的定位,可以对练习学生进行可视化辅助及观察在模拟X光下进针位置是否正确。(The invention relates to the technical field of medical training equipment and discloses an oral anesthesia injection trainer with augmented reality XR, which comprises a plastic jaw mold and AR positioning application software, wherein bionic gingiva is arranged inside the plastic jaw mold, and an anesthesia injection jaw contact pin metal reaction element and a flexible metal simulation blood vessel are arranged inside the bionic gingiva. The invention realizes visual injection practice simulation by bionic materials, electronic induction technology and AR technology, adopts the bionic materials to manufacture artificial gum tissues to provide real needle insertion blocking feeling, simulates the positions of blood vessels and anesthesia infiltration points by an electronic induction device to ensure that students can carry out correct needle insertion posture and positioning practice under the condition of no AR perspective function, can carry out positioning under a virtual space on the solid needle head of the injector by an SLAM algorithm under the AR function, and can carry out visual assistance on the practicing students and observe whether the needle insertion position is correct under the simulated X-ray.)

1. An oral cavity anesthesia injection training ware of extended reality XR, including plastics jaw mould (1) and AR location application software (12), its characterized in that: the inside of plastics jaw mould (1) is equipped with bionical gum (2), the inside of bionical gum (2) is equipped with anesthesia injection jaw point of touch metal reaction component (3) and flexible metal simulation blood vessel (4), flexible metal simulation blood vessel (4) are located the right side of anesthesia injection jaw point of touch metal reaction component (3), the other end electric connection of anesthesia injection jaw point of touch metal reaction component (3) has connecting wire (11), the other end electric connection of connecting wire (11) has logic to judge chip (5), the other end electric connection of flexible metal simulation blood vessel (4) has another connecting wire (11), and the other end and the side electric connection of logic judgement chip (5) of another connecting wire (11), the last fixed surface of logic judgement chip (5) installs red and green changeable colour emitting diode (6), one side of the red-green color-changeable light-emitting diode (6) is electrically connected with a power module (7) through a connecting wire (11), the right side wall of the red-green color-changeable light-emitting diode (6) is electrically connected with a simulation electronic induction injector (8) through the connecting wire (11), one end of the simulation electronic induction injector (8) is fixedly connected with an AR identification positioning mark (9), and the other side of the AR identification positioning mark (9) is fixedly connected with an electronic induction needle (10).

2. The extended reality XR oral anesthesia injection trainer of claim 1, wherein: the AR positioning application software (12) needs to be matched with a mobile equipment terminal for use, and the mobile equipment terminal has a camera shooting function.

3. The extended reality XR oral anesthesia injection trainer of claim 1, wherein: the edge of the interior of the plastic jaw mold (1) is provided with a connecting wire (11), and one end of the connecting wire (11) is electrically connected with the middle part of the connecting wire (11) which is connected with the anesthesia injection jaw contact point metal reaction element (3) and the logic judgment chip (5).

4. The extended reality XR oral anesthesia injection trainer of claim 1, wherein: plastics jaw mould (1) adopts 1: 1 plastics 3D to print, bionic gum (2) adopt 1: 1 artificial silica gel to prepare, flexible metal simulation blood vessel (4), emulation electronic induction syringe (8) and electronic induction syringe needle (10) all adopt 1: 1 standard preparation.

Technical Field

The invention relates to the technical field of medical training equipment, in particular to an oral cavity anesthesia injection training device for realizing extended reality XR.

Background

With the popularization of Augmented Reality (AR) technology, a calculation method (SLAM) based on solid 3D object recognition has been more applied in the medical industry, and muscle training of oral anesthesia injection in the physical layer is realized by the 3D recognition of a solid simulation model and the calculation method (SLAM) of the position of a virtual 3D object in a real space.

In the oral cavity medical anesthesia injection learning process, the traditional atlas and a human body are used for training, the injection accuracy is achieved, the most common method is that students carry out mutual injection training according to a needle insertion positioning method taught by a teacher, so that the training deficiency is inevitably caused, strong muscle memory is not formed, and the physical injury of the students who carry out mutual training due to improper operation is also inevitable, and therefore the oral cavity anesthesia injection trainer capable of expanding the reality XR is provided.

Disclosure of Invention

The invention provides an oral cavity anesthesia injection trainer with an extended reality XR, which has the advantages of simulating that the muscle part in the gum is subjected to real needle insertion blocking feeling during injection, correctly guiding the needle insertion posture of students and positioning practice, and solving the problems covered by the background technology.

The invention provides the following technical scheme: an oral cavity anesthesia injection training ware of extended reality XR, including plastics jaw mould and AR location application software, the inside of plastics jaw mould is equipped with bionical gum, the inside of bionical gum is equipped with anesthesia injection jaw contact pilotage point metal reaction element and flexible metal simulation blood vessel, flexible metal simulation blood vessel is located anesthesia injection jaw contact pilotage point metal reaction element's right side, anesthesia injection jaw contact pilotage point metal reaction element's other end electric connection has connecting wire, connecting wire's other end electric connection has logic judgement chip, flexible metal simulation blood vessel's other end electric connection has another connecting wire, and the other end of another connecting wire and the side electric connection of logic judgement chip, the upper surface fixed mounting of logic judgement chip has red and green changeable colour emitting diode, red and green changeable colour emitting diode's one side has the electric power module through connecting wire electric connection, the right side wall of the red-green color-changeable light-emitting diode is electrically connected with a simulation electronic induction injector through a connecting wire, one end of the simulation electronic induction injector is fixedly connected with an AR identification and positioning mark, and the other side of the AR identification and positioning mark is fixedly connected with an electronic induction needle head.

Preferably, the AR positioning application software needs to be used in cooperation with a mobile device terminal, and the mobile device terminal has a camera shooting function.

Preferably, the edge inside the plastic jaw mould is provided with a connecting wire, and one end of the connecting wire is electrically connected with the middle part of the connecting wire connected with the anesthesia injection jaw contact pin metal reaction element and the logic judgment chip.

Preferably, the plastics jaw mould adopts 1: 1 plastics D to print, bionic gum adopts 1: 1 artificial silica gel to prepare, flexible metal simulation blood vessel, emulation electronic induction syringe and electronic induction syringe needle all adopt 1: 1 standard preparation.

The invention has the following beneficial effects:

1. the oral cavity anesthesia injection trainer of the extended reality XR carries out physical simulation on mandibular canal anesthesia injection practice which cannot be carried out in the original oral cavity learning process through an electronic induction technology and an AR augmented reality technology, restores a real training environment through a biological prevention material and a 3D printing technology 1: 1, carries out modeling simulation on real human body training which is carried out among the prior trainees, thereby better avoiding nerve injury or blood vessel injury caused by misoperation when the trainees practice the real human bodies mutually, can lead the trainees to carry out more frequent exercises through the exercises on the model so as to achieve the effect of muscle memory, can better observe the direction and the action of an injection needle on a screen of mobile equipment by capturing the action of the needle through the AR augmented reality technology, thereby correcting the own injection posture in time, and keep the correct posture for exercise.

2. According to the oral anesthesia injection trainer with the XR function, the software part simulates AR identification on an electronic injector through the ratio of 1: 1, thereby virtual space positioning of a real needle head on a screen of the mobile device is carried out on the mobile device with a front camera by adopting an SLAM algorithm, and an X-ray shooting effect is simulated on the screen to carry out motion capture of the needle head of the electronic injector, so that the user can observe and effectively train and correct errors on the screen of the mobile device.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

In the figure: 1. a plastic jaw mold; 2. simulating gum; 3. anesthesia injection jaw bone contact needle point metal reaction element; 4. a flexible metal simulated blood vessel; 5. a logic judgment chip; 6. a red-green variable color light emitting diode; 7. a power module; 8. simulating an electronic induction injector; 9. AR identifies a positioning mark; 10. an electronic induction needle; 11. connecting a lead; 12. AR positioning application software.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, an oral cavity anesthesia injection training device of the extended reality XR comprises a plastic jaw mold 1 and AR positioning application software 12, a bionic gum 2 is arranged inside the plastic jaw mold 1, an anesthesia injection jaw contact pin point metal reaction element 3 and a flexible metal simulation blood vessel 4 are arranged inside the bionic gum 2, the flexible metal simulation blood vessel 4 is located at the right side of the anesthesia injection jaw contact pin point metal reaction element 3, the other end of the anesthesia injection jaw contact pin point metal reaction element 3 is electrically connected with a connecting wire 11, the other end of the connecting wire 11 is electrically connected with a logic judgment chip 5, the other end of the flexible metal simulation blood vessel 4 is electrically connected with another connecting wire 11, the other end of the another connecting wire 11 is electrically connected with the side surface of the logic judgment chip 5, a red-green color-changeable light emitting diode 6 is fixedly installed on the upper surface of the logic judgment chip 5, one side of a red-green color-changeable light-emitting diode 6 is electrically connected with a power module 7 through a connecting wire 11, the right side wall of the red-green color-changeable light-emitting diode 6 is electrically connected with an emulation electronic induction injector 8 through a connecting wire 11, one end of the emulation electronic induction injector 8 is fixedly connected with an AR identification positioning mark 9, the other side of the AR identification positioning mark 9 is fixedly connected with an electronic induction needle 10, AR positioning application software 12 needs to be matched with a mobile equipment terminal for use, the mobile equipment terminal has a camera shooting function, the edges inside a plastic jaw mold 1 are all provided with connecting wires 11, one end of each connecting wire 11 is electrically connected with the middle part of the connecting wire 11 connected with an anesthesia injection jaw contact pin metal reaction element 3 and a logic judgment chip 5, the plastic jaw mold 1 adopts 1: 1 plastic 3D printing, and the bionic gum 2 adopts 1: 1 artificial silica gel for preparation, the flexible metal simulated blood vessel 4, the simulated electronic induction injector 8 and the electronic induction needle 10 are all prepared by adopting a 1: 1 standard.

Wherein, the repeated exercise mode of this equipment but high frequency to thereby exercise repeatedly through the high frequency and reach the effect of muscle memory, the human organ tissue of simulation that new biological material can be better simultaneously, thereby reach the artificial high degree of restitution of feeling of injection exercise, and can be in the training personnel and actually carry out the mastered injection skill that has become proficient before the live body injection.

The device is used for carrying out accurate positioning of anesthesia injection needle insertion, and carrying out signal feedback (green light) on correct needle insertion through the contact type electronic sensing device and the electronic logic judgment chip, and simultaneously carrying out signal feedback (red light) on blood return phenomenon (red light) generated by blood vessel avoidance caused by needle insertion error simulation through the contact type electronic sensing device.

Wherein, the plastic jaw bone mould 1 is a basic physical model, and a basic reference object is physically positioned for training a reaction point, the bionic gum 2 is a basic physical model, and mainly provides real biological tissue resistance feedback for injection training, the anesthesia injection jaw bone contact needle point metal reaction element 3 is a circuit switch contact point, when the needle point of an injector contacts the reaction point, a circuit path is formed, the circuit path is provided to a light emitting diode path through a logic judgment chip and is judged to be green light, the flexible metal simulation blood vessel 4 is the circuit switch contact point, when the needle point of the injector contacts the reaction point, the circuit path is formed, the circuit path is provided to the light emitting diode path through the logic judgment chip and is judged to be red light, the logic judgment chip 5 judges the color of the light emitting diode according to the closing of different circuit switches in the circuit, the red-green color changeable light emitting diode 6 emits red or green according to the instruction given by the logic judgment chip in the circuit, power module 7 adopts button cell to carry out the power supply of whole judgement circuit, emulation electronic induction syringe 8 passes through the wire and connects the metal syringe needle, thereby it is electrically conductive to realize the syringe needle, then make it form the circuit route when contacting 3 or 4 circuit original papers, AR discernment location sign 9 is through specific picture, let AR software carry out the virtual syringe needle of 3D through picture discernment and carry out space location in AR software, electronic induction syringe needle 10 connects through the wire thereby becomes the circuit extension, AR location application software 12, it realizes virtual syringe space location to need the mobile device to have leading camera AR software through figure recognition technology, thereby it can be cell-phone or pad to let the user can observe virtual injection position on the mobile device whether correctly to carry out muscle training mobile device, the tall and erect system.

The electronic induction device is used for simulating the positions of blood vessels and anesthesia infiltration points to enable students to carry out correct needle inserting posture and positioning practice under the AR perspective function, the positioning under the virtual space can be carried out on the entity needle head of the injector through the SLAM algorithm under the AR function, and the students can be visually assisted and observed whether the needle inserting position is correct under the simulated X-ray.

This extended reality XR's an oral cavity anesthesia injection training ware theory of operation, as follows:

firstly, place the mobile device behind the model, and keep screen and camera subtend model, open simulation software APP simultaneously, secondly, emulation electronic induction syringe 8 is put at contralateral angular of mouth, between the first and second No. one's mouth with a waterstone promptly, become 45 degrees with the central line, should be higher than the jaw tooth face 1CM parallel, advance the needle, if the signal lamp is green light, both inject correctly, and observe whether the screen syringe needle contacts with anesthesia infiltration point, if the signal lamp is red light, whether the syringe needle contacts the blood vessel on the observation screen, and withdraw from the syringe needle and carry out the injection exercise again in artificial gum tissue.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.