Animal collision simulation loading device and method for head and neck injury research
By designing a collision simulation loading device for animals, the problem of lack of a research simulation device for animal head and neck collision injury in the prior art is solved, and in-depth research on the dynamic response of animal head and neck and neck injury laws is achieved, providing a theoretical basis for protecting high-risk populations.
Patent Information
- Application Number
- CN202411750460.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-03-18
AI Technical Summary
The prior art lacks simulation devices for studying head and neck collision injuries in animals, and it is difficult to conduct in-depth research on brain dynamic responses and neck injury patterns.
An animal collision simulation loading device including a barrel-shaped fixing device, a mouth guard, an impact device and an animal model is designed. The barrel-shaped fixing device is used to fix animal models, the mouth protection device is fitted with the animal's mouth and face, and the impact device simulates collision through an electromagnetic catapult, recording and analyzing the impact status of the animal's brain and neck.
The device can effectively simulate car collisions and other impact scenarios, study the dynamic response of the head and neck, and quantitatively analyze the brain and neck damage, providing a theoretical basis to protect people at high risk of head and neck.
Smart Images
Figure CN119649681A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of human body simulation, and in particular to an animal collision simulation loading device and method for head and neck injury research. Background Art
[0002] With the development of science and technology and the improvement of living standards, the number of vehicles is increasing, the types are becoming more and more diverse, and the accidental injuries are also gradually increasing. Among them, the huge losses caused by head injuries to families and society are the most concerned; motorcycle riders are currently receiving special attention. The study of the dynamic response of the head and neck when the human body is subjected to direct or indirect impact, and then the mechanism of head and neck injury and functional disorder, provides a theoretical basis for the protection of high-risk groups of head and neck injuries such as drivers of various vehicles.
[0003] Head injuries in automobile accidents cause a large number of serious injuries and deaths every year, and are a type of injury that seriously endangers people's lives. In order to explore the laws of head and neck injuries caused by collisions and provide better protection for the head, researchers use animal models, corpse models, mechanical models and mathematical models to conduct biomechanical research on head injuries. The finite element method is a research method for computer simulation of impact and collision. The application of finite element biomechanical models is becoming more and more extensive, but numerical calculations still need specific experimental verification; corpse models are difficult to obtain, and the corpse models obtained are mostly antiseptic, which affects the experimental results; the use of animal models, combined with computer simulation of the corresponding animal models, can conduct in-depth research on head and neck injuries during collisions, but there is currently no animal collision simulation loading device. Summary of the invention
[0004] The purpose of the present invention is to overcome the deficiencies of the prior art and to propose an animal collision simulation loading device and method for head and neck injury research, which can study the dynamic response of the brain and detect the pattern of neck injuries.
[0005] The present invention solves the technical problem by adopting the following technical solutions:
[0006] An animal collision simulation loading device for head and neck injury research comprises a barrel-shaped fixing device, a mouth protection device, an impact device and an animal model, wherein the barrel-shaped fixing device is used to fix the animal model, the mouth protection device fits the animal's face, and the impact device is installed on the opposite side of the mouth protection device to simulate the collision of the animal model.
[0007] Moreover, the barrel-shaped fixing device includes a bottom supporting base plate, a cylindrical body fixing cylinder and limb fixing holes; the cylindrical body fixing cylinder is placed vertically, the bottom supporting base plate is arranged horizontally, and the cylindrical body fixing cylinder is installed on the bottom supporting base plate; the limb fixing holes are installed on the cylinder wall of the cylindrical body fixing cylinder.
[0008] Moreover, the cylindrical body fixing cylinder is composed of two semi-cylinders, one side of the two semi-cylinders is connected by a hinge, and the other side is provided with an ear plate, and the ear plate is provided with a threaded hole. A cylinder is formed by bolt fixation, and the lateral size of the cylindrical body fixing cylinder is changed by adjusting the bolts.
[0009] Moreover, the mouth protection device comprises a cheek protection tube and a fixing belt, wherein the fixing belt connects the two sides of the cheek protection tube end, and the animal model wears the cheek protection tube and fixes the cheek protection tube with the fixing belt around the animal's head.
[0010] Moreover, the impact device includes an electromagnetic catapult and a metal shell; the electromagnetic catapult is arranged on the opposite side of the mouth protection device, and the electromagnetic catapult is arranged toward the mouth protection device, and the metal shell is installed inside the electromagnetic catapult barrel of the electromagnetic catapult.
[0011] Moreover, the electromagnetic catapult of the impact device records images through high-speed photography when the projectile is ejected, and the velocity of the projectile is calculated by numerical image correlation technology to accurately calculate the impact force of the projectile: U = mV 2 / 2, quantitative analysis of the impact on the animal's brain and neck.
[0012] An animal collision simulation loading device and method for head and neck injury research, comprising the following steps:
[0013] Step 1: The animal model is fixed on an animal collision simulation loading device for head and neck injury research, and the mouth protection device is fitted to the animal's face;
[0014] Step 2, the impact device is installed on the opposite side of the mouth protection device to simulate the collision of the animal model;
[0015] Step 3: When the electromagnetic catapult of the impact device ejects the projectile, the image is recorded by high-speed photography, and the velocity of the projectile is calculated by numerical image correlation technology to accurately calculate the impact force of the projectile: U = mV 2 / 2, quantitatively analyze the impact on the animal's brain and neck, and use the animal's digital model for finite element simulation for comparison.
[0016] The advantages and positive effects of the present invention are:
[0017] The present invention includes a barrel-shaped fixing device, a mouth protection device, an impact device and an animal model, wherein the barrel-shaped fixing device is used to fix the animal model, the mouth protection device fits the animal's face, the impact device is installed on the opposite side of the mouth protection device, and the impact device uses an electromagnetic ejection impact device to launch a projectile, hit the mouth protection device, and impact the animal's brain and neck. The present invention is used to study the dynamic response of the head and neck during impact. The device can simulate a car collision and can also simulate the process of a flying object or projectile hitting, forming a head and neck injury research platform. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 The present invention is a schematic diagram of an animal collision simulation loading device for head and neck injury research.
[0019] Figure 2 The present invention is a top view of an animal collision simulation loading device for head and neck injury research.
[0020] Figure 3 The present invention is a schematic diagram of an animal collision simulation loading device for head and neck injury research from top to bottom.
[0021] Figure 4 The present invention is a schematic diagram of an animal collision simulation loading device for head and neck injury research, impacting from bottom to top.
[0022] Description of labels:
[0023] 1-barrel-shaped fixing device, 1-1-cylindrical body fixing cylinder, 2-ear plate, 3-bottom supporting base plate, 4-impact device, 4-1-electromagnetic catapult, 5-projectile, 6-electromagnetic catapult barrel, 7-mouth protection device, 7-1-cheek protection cylinder, 8-fixing belt, 9-animal model, 10-limb fixing holes, 11-bolt, 12-animal limbs. DETAILED DESCRIPTION
[0024] The present invention is further described in detail below with reference to the accompanying drawings.
[0025] An animal collision simulation loading device for head and neck injury research, such as Figure 1 As shown, it includes a barrel-shaped fixing device 1, a mouth protection device 7, an impact device 4 and an animal model 9, wherein the barrel-shaped fixing device is used to fix the animal model, the mouth protection device fits with the animal's face, and the impact device is installed on the opposite side of the mouth protection device to simulate the collision of the animal model.
[0026] The barrel-shaped fixing device includes a bottom supporting base plate 3, a cylindrical body fixing cylinder 1-1 and limb fixing holes 10; the cylindrical body fixing cylinder is placed vertically, the bottom supporting base plate is arranged horizontally, and the cylindrical body fixing cylinder is installed on the bottom supporting base plate; the limb fixing holes are installed on the cylinder wall of the cylindrical body fixing cylinder, and are used to extend the animal limbs 12 of the animal model.
[0027] The cylindrical body fixing cylinder is composed of two semi-cylinders, one side of the two semi-cylinders is connected by a hinge, and the other side is provided with an ear plate 2, which is provided with a threaded hole. It is fixed by bolts 11 to form a cylinder, and the lateral size of the cylindrical body fixing cylinder can be changed by adjusting the bolts.
[0028] The mouth protection device comprises a cheek protection tube 7-1 and a fixing belt 8, wherein the fixing belt connects the two sides of the cheek protection tube end. The animal model wears the cheek protection tube and fixes the cheek protection tube with the fixing belt around the animal's head.
[0029] The impact device includes an electromagnetic catapult 4-1 and a metal shell 5; the electromagnetic catapult is arranged on the opposite side of the mouth protection device, and the electromagnetic catapult is arranged toward the mouth protection device, and the metal shell is installed inside the electromagnetic catapult barrel 6 of the electromagnetic catapult.
[0030] When the electromagnetic catapult of the impact device ejects the projectile, the image is recorded through high-speed photography, and the velocity of the projectile is calculated using numerical image correlation technology to accurately calculate the impact force of the projectile: U = mV 2 / 2, quantitative analysis of the impact on the animal's brain and neck.
[0031] An animal collision simulation loading device and method for head and neck injury research, comprising the following steps:
[0032] Step 1: The animal model is fixed on an animal collision simulation loading device for head and neck injury research, and the mouth protection device is fitted to the animal's face;
[0033] Step 2, the impact device is installed on the opposite side of the mouth protection device to simulate the collision of the animal model;
[0034] Step 3: When the electromagnetic catapult of the impact device ejects the projectile, the image is recorded by high-speed photography, and the velocity of the projectile is calculated by numerical image correlation technology to accurately calculate the impact force of the projectile: U = mV 2 / 2, quantitatively analyze the impact on the animal's brain and neck, and use the animal's digital model for finite element simulation for comparison.
[0035] According to the above-mentioned animal collision simulation loading device and method for head and neck injury research, tests were performed using pig corpses as animal models to verify the effect of the present invention.
[0036] like Figures 1 to 4 As shown, it comprises a barrel-shaped fixing device (1), a mouth protection device (7) and an impact device (4); wherein the barrel-shaped fixing device (1) comprises a bottom support base plate (3), a cylindrical body fixing cylinder (1-1) and limb fixing holes (10); the animal model adopts a pig, and the pig is in the cylindrical body fixing cylinder (1-1), the cylindrical body fixing cylinder (1-1) is placed vertically, and the bottom support base plate (3) is arranged in a horizontal state; the cylindrical body fixing cylinder (2) is two semi-cylinders, which are positioned by ear plates (2) to form a body clamped by a cylinder, and fixed by bolts (11) on the ear plates, and the bolts are adjusted to change the lateral dimensions of the cylindrical body fixing cylinder (1-1) to clamp and fix the pig body; the mouth protection device (7) comprises a mouth and cheek protection cylinder (7-1) and a fixing belt (8), and the mouth and cheek protection cylinder (7-1 ) is a 3D printed structure, which fits the pig's mouth and face. When impacted, the cheek protection tube (7-1) is stably transmitted to the pig's brain and neck. The fixing belt (8) connects the two sides of the cheek protection tube (7-1). The pig wears the cheek protection tube (7), and the fixing belt (8) is wrapped around the pig's head to fix the cheek protection tube (7-1) to ensure that the cheek protection tube (7-1) fits the pig's mouth and face. The impact device (4) includes an electromagnetic catapult (4-1) and a projectile (5). The impact device (4) has an electromagnetic catapult gun barrel (6) inside; the projectile (5) can be made of metal or non-metallic material; the pig is fixed in the barrel-shaped fixing device (1), and the limbs are extended through the limb fixing holes (10); the electromagnetic catapult (4-1) of the impact device (4) shoots the projectile (5), and the projectile hits the mouth protection device (7), and the pig's brain and neck are impacted.
[0037] The barrel-shaped fixing device (1) is placed horizontally, the cylindrical body fixing cylinder (1-1) is placed horizontally, and the bottom supporting base plate (3) is arranged vertically; the electromagnetic catapult (4-1) of the impact device (4) shoots the projectile (5) from top to bottom, and the projectile hits the mouth protection device (7), and the pig's brain and neck are impacted; or the electromagnetic catapult (4-1) of the impact device (4) shoots the projectile (5) from bottom to top, and the projectile hits the mouth protection device (7), and the pig's brain and neck are impacted. The animal can also be a monkey corpse, a dog corpse, or other animal corpses.
[0038] When the electromagnetic catapult (4-1) of the impact device (4) ejects the projectile (5), the velocity of the projectile (5) is calculated by high-speed photography and numerical image correlation technology, and the impact capacity of the projectile (5) is accurately calculated: U=mV2 / 2, which is conducive to quantitative analysis of the impact on the animal's brain and neck.
[0039] It should be emphasized that the embodiments described in the present invention are illustrative rather than restrictive. Therefore, the present invention includes but is not limited to the embodiments described in the specific implementation manner. Any other implementation manners derived by those skilled in the art based on the technical solution of the present invention also fall within the scope of protection of the present invention.
Claims
1. An animal collision simulation loading device for head and neck injury research, characterized in that: It includes a barrel-shaped fixing device, a mouth protection device, an impact device and an animal model, wherein the barrel-shaped fixing device is used to fix the animal model, the mouth protection device fits with the animal's face, and the impact device is installed on the opposite side of the mouth protection device to simulate the collision of the animal model.
2. The animal collision simulation loading device for head and neck injury research according to claim 1, characterized in that: The barrel-shaped fixing device includes a bottom supporting base plate, a cylindrical body fixing cylinder and limb fixing holes; the cylindrical body fixing cylinder is placed vertically, the bottom supporting base plate is arranged horizontally, and the cylindrical body fixing cylinder is installed on the bottom supporting base plate; the limb fixing holes are installed on the cylinder wall of the cylindrical body fixing cylinder.
3. The animal collision simulation loading device for head and neck injury research according to claim 2, characterized in that: The cylindrical body fixing cylinder is composed of two semi-cylinders, one side of the two semi-cylinders is connected by a hinge, and the other side is provided with an ear plate, the ear plate is provided with a threaded hole, and is fixed by bolts to form a cylinder, and the lateral size of the cylindrical body fixing cylinder is changed by adjusting the bolts.
4. The animal collision simulation loading device for head and neck injury research according to claim 1, characterized in that: The mouth protection device comprises a mouth and cheek protection tube and a fixing belt, wherein the fixing belt connects two sides of the end of the mouth and cheek protection tube. When the animal model wears the mouth and cheek protection tube, the fixing belt is wound around the head of the animal to fix the mouth and cheek protection tube.
5. The animal collision simulation loading device for head and neck injury research according to claim 1, characterized in that: The impact device includes an electromagnetic catapult and a metal shell; the electromagnetic catapult is arranged on the opposite side of the mouth protection device and is arranged toward the mouth protection device, and the metal shell is installed inside the electromagnetic catapult gun barrel of the electromagnetic catapult.
6. The animal collision simulation loading device for head and neck injury research according to claim 5, characterized in that: The electromagnetic catapult of the impact device records images through high-speed photography when the projectile is ejected, and uses numerical image correlation technology to calculate the velocity of the projectile, and accurately calculates the impact force of the projectile: U = mV 2 / 2, quantitative analysis of the impact on the animal's brain and neck.
7. An animal collision simulation loading device and method for head and neck injury research according to any one of claims 1 to 6, characterized in that: The following steps are involved: Step 1: The animal model is fixed on an animal collision simulation loading device for head and neck injury research, and the mouth protection device is fitted to the animal's face; Step 2, the impact device is installed on the opposite side of the mouth protection device to simulate the collision of the animal model; Step 3: When the electromagnetic catapult of the impact device ejects the projectile, the image is recorded by high-speed photography, and the velocity of the projectile is calculated by numerical image correlation technology to accurately calculate the impact force of the projectile: U = mV 2 / 2, quantitatively analyze the impact on the animal's brain and neck, and use the animal's digital model for finite element simulation for comparison.