UA113708U - DEVICE-CONCENTRATOR FOR SIMULATION OF MINE-BLASTING SHARES AND FIRE INJURY - Google Patents

Abstract

Concentrator device for modeling explosive shrapnel and gunshot wounds contains reflector walls. The device is made of 4 reflector walls, which are interconnected - a hub that has the general appearance of a cut-off pyramid with two necks and a filter in the form of a metal disk, made with the possibility of installation near the smallest neck.

Description

A useful model belongs to medicine, in particular to surgery, traumatology, military field surgery, forensic medicine and forensics. The concentrator device with a filter for simulating mine-explosive shrapnel and gunshot wounds (further - PKf) can be used for simulating mine-explosive and gunshot shrapnel wounds, as well as studying terminal ballistics, the nature and extent of soft tissue damage during their receiving The purpose of developing the PKf model is to increase the accuracy of damage elements hitting the model during the explosion and the possibility of adjusting the area of influence of damaging factors.

PKf is intended for simulating mine-explosive and gunshot shrapnel injuries in the conditions of a specialized training ground, where it is possible to carry out explosive and research work, with the observance of appropriate safety measures.

Detonation of explosive devices should be carried out exclusively by specialists who have the right to carry out special explosive works.

A well-known device for simulating mine-explosive damage to the organ of vision (Russian Patent No. 85317, IPC Ab183/00). The device contains a platform made of explosion-proof materials, perpendicular to which two reflective walls are placed at an angle to each other. The length of the platform wall is 2/3 more than the length of the experimental animal, the distance between the centers is 1/5 more than the transverse size of the animal, and the height is 1/2 more than the height of the animal. On the platform between the reflective walls there is a platform for fixing the animal, and at a distance of two lengths of the animal's body from it, an explosive cartridge is placed. The explosive cartridge is made of a sleeve, in which the following are sequentially placed: a bursting agent; traumatic agents; wad. Moreover, the explosive cartridge is placed in the direction of the platform for fixing the animal. The device is initiated electrically from the control panel.

The disadvantages of this device include the following: - placement of the experimental animal between the reflective walls, which leads to an increase in the ricochet effect and damage to the animal; - absence of selective damage to a given part of the model; - lack of animal protection; - the presence of only 2 reflective walls, which reduces the accuracy of the damage.

The basis of a useful model is the task of improving the concentrator device for

From the modeling of mine-explosive shrapnel and gunshot wounds, in which, due to changes in the design, an increase in the accuracy of hitting the damage elements during the explosion in the model and the possibility of adjusting the area of influence of damaging factors is achieved.

The task is solved in a concentrator device for simulating mine-explosive shrapnel and gunshot wounds, which contains reflective walls, according to a useful model, the device is made of 4 reflective walls that are connected to each other into a single unit - a concentrator that has general view of a truncated pyramid with two necks and a filter in the form of a metal disk, made with the possibility of installation near the smallest neck.

The developed concentrator device with a filter for simulating mine-explosive shrapnel and gunshot wounds provides the possibility of increasing the accuracy of hitting by damage elements during the explosion and the possibility of adjusting the area of influence of damaging factors due to the presence of four reflector walls, which are connected to each other in a single whole - concentrator device in the form of a truncated pyramid with two necks, the largest body neck, the smallest neck and the presence of a filter.

The essence of the useful model is explained by a drawing showing the proposed device.

The concentrator device for simulating mine-explosive and gunshot wounds includes a concentrator body 1, a filter 2 (in the form of a metal disk with a diameter of 450 mm, a metal thickness of 10 mm and a hole in the center with a diameter of 35 mm), 4 reflective walls 3, which are connected (welded) to each other into a single entity - the hub (in the form of a truncated pyramid), the largest neck 4 of body 1, the smallest neck 5 of body 1.

The concentrator is turned on its side (at 90" to the vertical) with the largest dimensions of the neck 4 500x500 mm and the smallest dimensions of the opposite neck 5 100x100 mm, length 500 mm, metal thickness 5 mm. Between the smallest neck 5 and the supporting surface (soil) there are support legs , which end with holes (4 in total) for fixing the structure with metal pins to the ground (not shown on the chair).

Simulation of mine-explosive and gunshot shrapnel wounds using a concentrator device is carried out in the following sequence:

The concentrator is installed on the ground with the largest size of the neck 4 (500x500 mm) to the explosive device, and the smallest 5 (100x100 mm) to the experimental model and is fixed to the ground with pins at 4 points (holes are located on the edges of the concentrator everywhere).

To fix the structure, metal reinforcing pins-rods with a diameter of 10 mm, L-shaped, and a length of 500 mm are used.

Filter 2 is fixed near the smallest opening of the neck 5 (100x100 mm) of the concentrator.

The experimental model (animal, armored plate, bulletproof vest, helmet, model-simulator of soft tissues or other) is placed close to the smaller hole 5 of the hub.

The explosive device is fixed at a certain distance from the model so that it is on the same line with the intended place of damage or injury, at the level of the projection of the center of the small neck 5. The explosive device is fixed on a wooden bar with the help of two clamps (ties). Remote detonation (electrically) is carried out in compliance with safety measures when handling explosive devices provided for in the instructional materials.

The design of the PKf allows you to direct the flow of the wave of fragments in the planned direction with a minimum number of negative results (the case when the fragment does not hit the target is taken as a negative result).

Experimentally (with the same requirements for the distance, type of ammunition and the same charges), during the detonation of 30 munitions (RGN and F-1 grenades), the following was established: 1. When detonating ammunition without the use of PKf, the target was hit in 7 ( 23.3 95) cases. 2. When detonating ammunition using PKf, the target was hit in 27 (90 95) cases.

It was also established that when using PCf without a "filter", the area of contact of fragments with the intended site of damage increased.

So, depending on the choice of the diameter of the hole in the "filter", it seems possible to adjust the amount of damage by increasing the area of influence of the damaging factors on the modeling object.

Advantages provided by the PKF device: - the ability to obtain predictable damage to a given section of the experimental model using explosive devices with uncontrolled explosion direction; - the ability to model through and blind lesions with high accuracy of damage formation; - the possibility to simulate the formation of through and blind lesions using different types of explosive devices, different masses of charges and different distances to the object; - the possibility of modeling different degrees of damage from a mine-explosive injury by using "filters" with different hole diameters.

Restrictions on the use of the PKf product: - the device will not be used outside the special landfill; - the device can be used exclusively by specialists who have the right to carry out explosive works; - the device can be used only for the purpose of simulating a mine-explosive injury.

The proposed PCF device was tested at the specialized blast site of the Ministry of Emergency Situations of Ukraine.

The obtained positive results and the convenience of simulating mine-explosive wounds give grounds for recommending the PKf device for implementation in scientific, medical, and forensic practice.

Claims (1)

USEFUL MODEL FORMULA A concentrator device for simulating mine-explosive shrapnel and gunshot injuries, containing reflector walls, which is distinguished by the fact that the device is made of 4 reflector walls, which are connected to each other into a single unit - a concentrator that has the general appearance of a truncated pyramid with two necks and a filter in the form of a metal disk, made with the possibility of installation near the smallest neck.