Simulation oral cavity model structure for intestinal tract intubation

Abstract

The utility model discloses a simulation oral cavity model structure for intestinal tract intubation, which comprises an oral cavity model, the oral cavity model is composed of an oral cavity channel model, an oral cavity supporting piece and a lower jaw support, the oral cavity channel model is a soft silica gel model, the oral cavity supporting piece is fixed on the top of the oral cavity channel model, and the lower jaw support is fixed on the oral cavity channel model. The neck root and the nasal cavity of the oral cavity channel model are provided with sleeving openings. Compared with the prior art, the oral cavity channel model simulates a human oral cavity structure more truly, the driving part and the electrical elements are arranged outside the oral cavity channel model, the intubation process cannot be hindered, and the electrical elements are convenient to arrange due to good insulativity and waterproofness; the specific position and the insertion depth of the stomach tube in the oral cavity channel model can be accurately identified, so that better teaching training is facilitated, and the condition that the stomach tube is bent in the oral cavity in the intubation process of a patient is simulated through the ejection module.

Description

Technical Field

[0001] The utility model relates to the field of simulation teaching models, in particular to a simulation oral model structure for intestinal intubation. Background Art

[0002] The enteral nutrition teaching model is a simulation tool for teaching and training purposes, aiming to help medical students, nursing staff or other relevant professionals learn the principles, operation techniques and clinical applications of enteral nutrition support. These models usually simulate the human intestinal structure and function, and can be used to demonstrate the process of inserting an enteral nutrition catheter, the correct method of using enteral nutrition products, monitoring and managing enteral nutrition complications, etc. At present, there are many defects in the commercially available teaching models and teaching methods, which urgently need to be improved.

[0003] The existing oral model structure has a single function and insufficient fineness. In many teaching models, there is only a simple gastric tube intubation channel in the oral cavity. During the gastric tube intubation process, the depth of the intubation inserted into the pharynx cannot be accurately feedback. During the teaching assessment, the on-site teaching instructor cannot determine whether the candidate has successfully inserted the gastric tube into the stomach.

[0004] During the actual intubation process, due to foreign objects in the oral cavity or the patient's non-cooperation, the intubation position is incorrect, so that the gastric tube does not enter the stomach from the esophagus, but only coils in the oral cavity. If continuous intubation is carried out, it is easy to damage the oral structure. The doctor needs to use a tongue depressor to open the oral cavity to check the intubation situation in the oral cavity. The existing oral model cannot simulate this state, nor can it truthfully feedback the operation process of the trainee. The assessment teacher cannot judge and check whether such a situation occurs. The functional limitations of the existing teaching model affect the improvement of teaching quality and operation skills. Content of the Utility Model

[0005] The purpose of the utility model is to provide a simulation oral model structure for intestinal intubation that solves the above problems.

[0006] In order to achieve the above purpose, the technical scheme adopted by the utility model is: a simulation oral model structure for intestinal intubation, including an oral model, the oral model is composed of an oral cavity channel model and an oral cavity support member, the oral cavity channel model is a soft silicone model, the oral cavity support member is fixed on the top of the oral cavity channel model, the front end of the oral cavity channel model is an oral opening, and a sleeve opening is arranged at the root of the neck and the nasal cavity of the oral cavity channel model.

[0007] Preferably, a throat ejection mechanism is provided on the outside of the oral passage model, and the throat ejection mechanism is composed of a steering gear drive mechanism B and a top block, the middle part of the top block is rotatably connected to the oral support, the front end of the top block is located at the intersection of the trachea and esophagus of the oral passage model, the rear end of the top block is transmission-connected to the steering gear drive mechanism B, and the rotation of the top block is driven by the steering gear drive mechanism B.

[0008] Preferably, the front end surface of the top block is an arc-shaped surface and is closely attached to the outer wall of the oral passage model.

[0009] Preferably, the oral support is provided with a rotating seat for dynamic connection with a push block, and the oral support is provided with a window for facilitating the push block to press the oral passage model.

[0010] Preferably, it also includes a mouth opening and closing mechanism, which consists of a servo drive mechanism A, a neck fixing part and a jaw support, the middle part of the jaw support is mounted on the neck fixing part and is rotatably connected to the neck fixing part, the servo drive mechanism A is transmission-connected to the rear end of the jaw support, and the rotation of the jaw support is driven by the servo drive mechanism A to achieve the opening and closing of the mouth.

[0011] Preferably, an upper gum and a lower gum are provided in the oral cavity of the oral passage model, the upper end of the oral passage model is fixed to the oral support through the upper gum, and the lower end of the oral passage model is fixed to the mandibular support through the lower gum.

[0012] Preferably, the upper and lower gums are provided with clamping posts, the oral support and the lower jaw support are provided with clamping holes matching the clamping posts, and the clamping posts pass through the oral passage model and are inserted into the clamping holes.

[0013] Preferably, the base of the neck of the oral passage model is connected to the tracheal passage model through a sleeve port, and the nasal cavity of the oral passage model is connected to the nasal passage model through a sleeve port.

[0014] Preferably, the oral cavity support is fixed in the head model, and the oral cavity support extends from the front end of the oral cavity passage model to the base of the neck of the oral cavity passage model.

[0015] Preferably, the oral support is provided with a plurality of Hall sensor mounting holes, which are arranged in sequence and spaced apart along the length direction of the oral support, and Hall sensors are installed in the Hall sensor mounting holes, and the Hall sensors are electrically connected to the main control circuit board.

[0016] Compared with the prior art, the advantages of the utility model are:

[0017] (1) The model is made by casting soft silicone according to the human oral structure, with strong integrity and high simulation degree. It more realistically simulates the human oral structure, has good insulation and waterproof properties, which is conducive to the arrangement of electrical components and ensures the realization of the function of extracting gastric juice and sputum from the tracheal channel model without penetration.

[0018] (2) The relevant components inside the model adopt a refined modular design. Through the design of the oral support and the lower jaw bracket, the installation and positioning of the oral channel model and the opening and closing of the oral cavity are realized. The oral support is fixed inside the head model. As a support structure, the oral support fixes the oral channel model inside the head model and can also be used as the installation structure of electrical components. The driving components and electrical components are arranged outside the oral channel model and will not hinder the intubation process.

[0019] (3) Hall sensors are set at key positions for precise positioning. Through the setting of Hall sensors on the oral support, the specific position and insertion depth of the front end of the gastric tube in the oral channel model can be accurately identified, so as to carry out better teaching and training.

[0020] (4) Through the delicate design of the ejection module, it can imitate the situation where the gastric tube coils in the oral cavity during the intubation process of the patient.

[0021] (5) It is convenient, firm and reliable to connect and install with adjacent models. Since the oral channel model is soft in texture and has a certain compressive capacity, through the design of the sleeve mouth, it can be conveniently and reliably connected with the tracheal channel model and the nasal cavity channel model to form a complete teaching model. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is the overall structural schematic diagram of the present utility model;

[0023] Figure 2 is the internal structural schematic diagram of the present utility model;

[0024] Figure 3 is the assembly schematic diagram of the upper dental arch and lower teeth of the present utility model;

[0025] Figure 4 is the assembly schematic diagram of the present utility model inside the head model.

[0026] In the figure: 1. Oral support; 2. Oral channel model; 3. Servo drive mechanism B; 4. Servo drive mechanism A; 5. Hall sensor mounting hole; 6. Hall sensor; 7. Neck fixing piece; 8. Lower jaw bracket; 9. Top block; 10. Rotating seat; 11. Upper dental arch; 12. Lower dental arch; 13. Clamping post. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0027] The present utility model will be further described as follows:

[0028] A simulated oral model structure for intestinal intubation, see Figures 1 to 4 , including an oral model, the oral model is composed of an oral passage model 2 and an oral support 1, the oral passage model 2 is a soft silicone model, the oral support 1 is fixed to the top of the oral passage model 2, the front end of the oral passage model 2 is an oral opening, and the base of the neck and the nasal cavity of the oral passage model 2 are provided with a sleeve opening. The oral passage model 2 of the utility model is a soft silicone model molded according to the oral structure of the human body, which simulates the oral structure of the human body more realistically, and has good softness, insulation and waterproofness. The driving components and electrical components are arranged outside the oral passage model 2, which will not hinder the intubation process, and the good insulation and waterproofness facilitate the arrangement of electrical components. Its waterproof performance can provide waterproofness for extracting gastric juice and sputum from the tracheal passage model in the future. In order to achieve the installation and positioning of the oral passage model 2, an oral support 1 is designed. The oral support 1 is fixed in the head model. The oral support 1 can be used as a supporting structure of the oral passage model 2, fixed in the head model, and can also be used as an electrical component installation structure. The oral support 1 extends from the front end of the oral passage model 2 to the base of the neck of the oral passage model 2. A plurality of Hall sensor installation holes 5 are provided on the oral support 1. The Hall sensor installation holes 5 are arranged in sequence along the length direction of the oral support 1. A Hall sensor 6 is installed in the Hall sensor installation hole 5. The Hall sensor 6 is connected to the main control circuit board by electrical signals. A magnet is arranged at the front end of the gastric tube to be inserted. After the gastric tube is inserted, the Hall sensor 6 on the oral support 1 can accurately identify the specific position of the front end of the gastric tube in the oral passage model 2 and the insertion depth.

[0029] In order to simulate the situation that the gastric tube is coiled in the oral cavity and fails to enter the stomach during the intubation process, a throat ejection mechanism is provided on the outer side of the oral passage model 2, and the throat ejection mechanism is composed of a steering gear drive mechanism B3 and a top block 9. The middle part of the top block 9 is rotatably connected to the oral support 1, and the front end of the top block 9 is located at the intersection of the trachea and the esophagus of the oral passage model 2. The rear end of the top block 9 is transmission-connected to the steering gear drive mechanism B3, and the rotation of the top block 9 is driven by the steering gear drive mechanism B3. When the steering gear drive mechanism B3 is not in action, the intersection of the trachea and the esophagus is in an unobstructed state, and the intubation tube can reach the stomach smoothly at this time; when the steering gear drive mechanism B3 drives the top block 9 to rotate, the top block 9 squeezes the oral passage model 2 from the outside. When the gastric tube is inserted from the nasal cavity, it cannot enter the stomach due to the obstruction of the top block 9 and can only coil in the oral cavity, thereby simulating the situation that the gastric tube of the patient is coiled and not inserted smoothly.

[0030] The front end surface of the top block 9 is an arc-shaped surface. The design of the arc-shaped surface enables the front section of the top block 9 to be better attached to the outer wall of the oral passage model 2, and better squeeze the intersection of the trachea and the esophagus of the oral passage model 2. The oral support 1 is provided with a rotating seat 10 for dynamic connection of the top block 9, and the oral support 1 is provided with a window for the top block 9 to press the oral passage model 2, so that the top block 9 can squeeze the oral passage model 2.

[0031] In order to realize the opening and closing control of the mouth of the oral model shop, it also includes a mouth opening and closing mechanism, which consists of a steering gear drive mechanism A4, a neck fixing part and a lower jaw support 8. The middle part of the lower jaw support 8 is mounted on the neck fixing part and is rotatably connected to the neck fixing part. The steering gear drive mechanism A4 is transmission-connected to the rear end of the lower jaw support 8, and the rotation of the lower jaw support 8 is driven by the steering gear drive mechanism A4 to realize the opening and closing of the mouth.

[0032] The oral cavity of the oral passage model 2 is provided with an upper gum 11 and a lower gum 12. The tooth structure of the upper gum 11 and the lower gum 12 can better simulate the tooth parts, and the upper gum 11 and the lower gum 12 can also be used as fasteners to fix the upper and lower ends of the oral passage model 2 to the mandibular support 8 and the oral support 1 respectively. The upper end of the oral passage model 2 is fixed to the oral support 1 through the upper gum 11, and the lower end of the oral passage model 2 is fixed to the mandibular support 8 through the lower gum 12.

[0033] The upper and lower gums 11 and 12 are provided with clamping posts 13, and the oral support 1 and the lower jaw support 8 are provided with clamping holes matching the clamping posts 13. The clamping posts 13 pass through the oral passage model 2 and are inserted into the clamping holes, and the oral passage model 2 is fixed by the clamping posts 13 and the clamping holes.

[0034] The base of the neck of the oral passage model 2 is connected to the tracheal passage model through the sheath port to achieve the docking of the oral passage model 2 with the tracheal passage model. The nasal cavity of the oral passage model 2 is connected to the nasal passage model through the sheath port to achieve the docking of the oral passage model 2 with the nasal passage model.

[0035] The above is a detailed introduction to the simulated oral model structure for intestinal intubation provided by the utility model. This article uses specific examples to illustrate the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model; at the same time, for general technicians in this field, according to the idea of ​​the utility model, there will be changes in the specific implementation method and application scope. Changes and improvements to the utility model will be possible without exceeding the concept and scope specified in the attached claims. In summary, the content of this specification should not be understood as a limitation on the utility model.

Claims

1. A simulated oral model structure for intestinal intubation, characterized in that: The invention comprises an oral cavity model, which is composed of an oral cavity passage model and an oral cavity support. The oral cavity passage model is a soft silicone model. The oral cavity support is fixed to the top of the oral cavity passage model. The front end of the oral cavity passage model is an oral opening. The base of the neck and the nasal cavity of the oral cavity passage model are provided with a set opening.

2. The simulated oral cavity model structure for intestinal intubation according to claim 1, characterized in that: A throat ejection mechanism is provided on the outside of the oral passage model, and the throat ejection mechanism is composed of a steering gear drive mechanism B and a top block. The middle part of the top block is rotatably connected to the oral support member, the front end of the top block is located at the intersection of the trachea and esophagus of the oral passage model, and the rear end of the top block is transmission-connected to the steering gear drive mechanism B, and the rotation of the top block is driven by the steering gear drive mechanism B.

3. The simulated oral cavity model structure for intestinal intubation according to claim 2, characterized in that: The front end surface of the top block is an arc-shaped surface and is closely attached to the outer wall of the oral passage model.

4. The simulated oral cavity model structure for intestinal intubation according to claim 2, characterized in that: The oral cavity support is provided with a rotating seat for dynamic connection with the ejector block, and the oral cavity support is provided with a window for facilitating the ejector block to press the oral cavity passage model.

5. The simulated oral cavity model structure for intestinal intubation according to claim 1, characterized in that: It also includes a mouth opening and closing mechanism, which consists of a servo drive mechanism A, a neck fixing part and a lower jaw support. The middle part of the lower jaw support is mounted on the neck fixing part and is rotatably connected to the neck fixing part. The servo drive mechanism A is transmission-connected to the rear end of the lower jaw support, and the rotation of the lower jaw support is driven by the servo drive mechanism A to realize the opening and closing of the mouth.

6. The simulated oral cavity model structure for intestinal intubation according to claim 5, characterized in that: An upper gum and a lower gum are arranged in the oral cavity of the oral passage model. The upper end of the oral passage model is fixed to the oral support through the upper gum, and the lower end of the oral passage model is fixed to the lower jaw support through the lower gum.

7. The simulated oral cavity model structure for intestinal intubation according to claim 6, characterized in that: The upper and lower gums are provided with clamping posts, the oral support and the lower jaw support are provided with clamping holes matching the clamping posts, and the clamping posts pass through the oral passage model and are inserted into the clamping holes.

8. The simulated oral cavity model structure for intestinal intubation according to claim 1, characterized in that: The base of the neck of the oral passage model is connected to the tracheal passage model through the sleeve port, and the nasal cavity of the oral passage model is connected to the nasal passage model through the sleeve port.

9. The simulated oral cavity model structure for intestinal intubation according to claim 1, characterized in that: The oral cavity support piece is fixed in the head model, and the oral cavity support piece extends from the front end of the oral cavity passage model to the neck root of the oral cavity passage model.

10. The simulated oral cavity model structure for intestinal intubation according to claim 9, characterized in that: The oral support is provided with a plurality of Hall sensor mounting holes, which are sequentially spaced apart along the length direction of the oral support. Hall sensors are mounted in the Hall sensor mounting holes, and the Hall sensors are electrically connected to the main control circuit board.

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