RU197716U1 - BLOOD REMOVING HARNESS - Google Patents

Abstract

The utility model relates to medicine, in particular to military medicine and disaster medicine, and can be used to urgently stop massive external bleeding at the stages of medical evacuation. the use of a tourniquet, including one-handed operation, reducing the cost of manufacturing the product. A haemostatic tourniquet is proposed that contains a compression tape, a screw, made in the form of a hollow tube, at the ends of which are removable, spherical caps of a larger diameter, a marker, a screw, are placed placed in a loop formed by a folded compression tape; a buckle, a retainer of a collar, wherein one of the ends of the tape is firmly connected to the self-tightening buckle, the other end of the compression tape is freely placed in the self-tightening buckle with the possibility of moving in it and fixing the position; the loop formed by the folded compression tape is held by a spring clip freely placed on it; ball-shaped plugs of the collar are rigidly connected with extenders of the collar made in the form of telescopically sequentially connected tubular elements placed in the body of the collar; coaxially in the body of the plugs, cavities are made, in one of which there is a rod made of lavsan rigidly connected to the wall at one end, the free end of the rod is connected to the hook-clamp; a marker is freely placed in the radial cavity of another spherical plug; moreover, the collar, elements of the extension of the collar, hook-lock, self-tightening buckle and spring clip are made of polyamide P-12B-20 or metal.

Description

The utility model relates to the field of medicine, in particular to military medicine and disaster medicine, and can be used to urgently stop massive external bleeding at the stages of medical evacuation.

Known harness, which consists of a tape connected to the locking element. The tape of the tourniquet is made of elastomeric material, on which the image of an ellipse is applied, which changes when the tape is stretched into a circle, while the tourniquet additionally contains a metal bar with a slot at one end and a chemical indicator of the application time of the tourniquet with a display duration of at least 60 minutes, and the elastomeric tape is folded in half and its middle is threaded through the slot of the metal splint, forming a loop, which makes it possible to apply the tourniquet with one hand. The shank protects the tissues underneath from excessive squeezing and retains collateral bleeding in them. A pattern is applied on the elastomeric tape, which, being modified by stretching the tape, makes it possible to dose tissue compression (Patent for invention RU No. 2108066, A61B 17/135, A61F 5/34).

Known styptic turnstile, comprising a housing with a harness fixation unit located therein, provided with a locking device, the housing of which is made with at least one groove for passage of the harness made of movable and fixed parts, and equipped with a fixing device mounted on its side surface, made in the form of a locking device of a ratchet mechanism containing a spring, a stopper and a screw-clamp, as well as a central cylindrical pin, on which an additional cover is mounted with free rotation around the axis with a cylinder located in its lower central part with a groove for fixing one of the ends of the movable parts of a bundle having longitudinal addition with firmware; in the lower part, the lid is equipped with teeth installed with the possibility of interaction with the locking device of the ratchet mechanism; at the same time, a flexible plastic bracelet is additionally fixed on the bottom of the case from the outside, and one of the ends of the fixed part of the bundle is fixed between the bracelet and the case; the ends of the movable and fixed parts of the harness are connected by a buckle (Utility Model Patent RU No. 1177797, A61B 17/12, publ. 10.07.2012).

As a prototype of the selected device "Hemostatic tourniquet", including a compression tape, lever, platform, means for providing information, and the compression tape contains

luminescent coating; the lever is made of durable solid plastic material, contains a body in the form of a hollow tube, at the ends of which are placed with the possibility of fixing the position removable spherical plugs of a larger diameter, one of which is connected with a marker placed in the cavity of the lever body; the lever body is freely placed in a plastic sleeve, located, in turn, in a loop formed by a folded and stitched compression tape; a buckle with a hook is freely placed on the compression tape, having the ability to move in it and fix the position of the compression tape; on the other side of the lever, the end of the compression tape is rigidly connected with the lever retainer made of solid, strong rectangular plastic, its upper surface is rigidly connected with a ring made of strong elastic fabric and a bracket on the free end; the lower surface of the retainer is covered with a layer of adhesive on top of which is placed (Utility Model Patent RU No. 186088, A61B 17/135, A61F 5/34).

The objective of the proposed technical solution is to ensure the possibility of reducing the time of applying the tourniquet, increasing the level and quality of assistance when using the tourniquet, including with one hand, reducing the cost of manufacturing the product.

The solution to the problem is possible by using the proposed hemostatic tourniquet, which contains a compression tape, a collar made in the form of a hollow tube, at the ends of which are placed removable spherical plugs of a larger diameter, a marker, a collar placed in a loop formed by a folded compression tape; a buckle, a retainer of a collar, one of the ends of the tape being firmly connected with a self-tightening buckle, the other end of the compression tape is freely placed in a self-tightening buckle with the possibility of movement in it and fixing the position; the loop formed by the folded compression tape is held by a spring clip freely placed on it; ball-shaped plugs of the collar are rigidly connected with extenders of the collar made in the form of telescopically connected tubular elements placed in the body of the collar; coaxially in the body of the plugs, cavities are made, in one of which is placed a rod of flexible flexible material, for example, of lavsan, rigidly connected to the wall by one end, the free end of the rod is connected to the hook-clamp; a marker is freely placed in the radial cavity of another spherical plug; moreover, the collar, elements of the collar extension, the hook-latch, self-tightening buckle and spring clip are made of plastic material - polyamide P-12B-20 or metal.

In FIG. 1 shows a General view of the device.

Hemostatic tourniquet contains a compression tape (1), a winch (2), made in the form of a hollow tube, placed in a loop (3) formed by a folded compression tape (1); removable spherical plugs (4) of larger diameter, marker (5) are placed at the ends of the collar (2) with the possibility of fixing the position; a buckle (6), a retainer of the collar (7), moreover, one of the ends of the compression tape (1) is firmly connected to the buckle (6), made self-tightening; the other end of the compression tape (1) is freely placed in the buckle (6) with the possibility of movement in it and fixing the position; the loop (3) is held by a spring clip (8) freely placed on it; portions of spherical plugs (4) in contact with the winch are rigidly connected to extenders of the winch (9), made in the form of telescopically connected tubular elements placed in the cavity of the winch (2); on the other hand, blind cavities (10) are coaxially made in the body of the plugs, in one of which there is a rod (11) rigidly connected to the wall at one end, made of lavsan, its free end is connected to the hook-clamp (7); a marker (5) is freely placed in the cavity of another spherical plug (4); moreover, the collar (2), the elements of the extension cord (9), the hook-lock (8), the self-tightening buckle (7) and the spring clip (8) are made of plastic material P-12B-20 polyamide or metal.

The device operates as follows.

Prepared for installation, a tourniquet is thrown like a lasso on the distal extremity and advanced to the place of the intended installation. Using the free end of the compression tape (1), reduce the size of its portion located between the self-tightening buckle (6) until the compression tape (1) comes into contact with the underlying tissues. The location of the loop (3), formed by a folded compression tape (1) and held by a spring clip (8) freely placed on it, is chosen so as to provide convenient access to the winch (2) and to allow its unhindered rotation. Turn the knob (2), tighten the compression tape (1) until the bleeding stops. To facilitate rotation of the collar, spherical plugs (4) are used to extract from the collar cavity (2) the collar extension (9) made in the form of telescopically connected tubular elements. After stopping bleeding, they are removed from the cavity (10) made in the body of one of the thrust plugs (11) associated with the wall at one end, and fix the position of the winch on the tape using a hook-clamp (8). From the cavity (10) of another ball-shaped plug (4), a freely placed marker (5) is removed, a record is written on the surface of the compression tape (1) with the information necessary at the stage of evacuation of the victim to the place of medical care.

It should be noted that the handle (2), the elements of the extension of the handle (9), the hook-lock (8), the self-tightening buckle (7) and the spring clip (8) are made of hard plastic material, for example, polyamide P-12B-20 or metal and can be made using three-dimensional printing on a 3D printer.

The need for hemostatic agents in military medicine and disaster medicine is not in doubt among specialists.

According to the literature, 10% of all deaths on the battlefield are caused by bleeding from the extremities (which is 60% of potentially preventable deaths). (Champion H R, Bellamy R F, Roberts P. et al A profile of combat injury. J Trauma200354S13-S19.S19 [PubMed]).

An analysis of post-war data in Vietnam revealed that 7% of combat losses could be prevented by using a hemostatic tourniquet (Bellamy R F. Combat trauma overview. In: Zajtchuk R, Grande CM, eds. Textbook of military medicine part IV: surgical combat casualty care (Office of the Surgeon General, US Army 2005).

During the 4-year period of using hemostatic tourniquets in the Israel Defense Forces, not a single death was recorded from unstoppable bleeding from limb injuries among 550 wounded (Lakstein D, Blumenfield A, Sokolov T. et al Tourniquets for hemorrhage control on the battlefield: a 4 year accumulated experience. J Trauma 200354 (5 Suppl) S221-S225.S225 [PubMed]).

The proposed device compares favorably with known devices of the same purpose in its simplicity of design, the possibility of using inexpensive materials in its manufacture, not inferior to them in the ease of use and reliability. Using the proposed mechanism of tension and fixation of the compression tape can significantly reduce the time of tension of the tape, to simplify and secure the process itself, as well as the necessary decompression process. It is important to emphasize the real possibility of its use with one hand, both on the upper and lower limbs. The tourniquet can be used regardless of the scope of application - on a thin shoulder, on the thigh through winter clothing, through the armpit to press the carotid artery, etc. The proposed design of the harness avoids fixing errors - it is easy to fasten the tape “blindly”.

Claims (4)

1. Hemostatic tourniquet containing a compression tape, a handle made in the form of a hollow tube, at the ends of which are placed with the possibility of fixing the position of removable spherical plugs of a larger diameter, and placed in a loop formed by a folded compression tape; marker, buckle, collar retainer, characterized in that one of the ends of the tape is firmly connected to the self-tightening buckle, the other end of the compression tape is freely placed in the self-tightening buckle with the possibility of movement in it and fixing the position; the loop formed by the folded compression tape is held by a spring clip freely placed on it; spherical stubs of the collar are rigidly connected with extenders of the collar made in the form of telescopically sequentially connected tubular elements placed in the body of the collar; coaxially in the body of the plugs are made cavities, in one of which is placed a rod of flexible material rigidly connected to the wall by one end, the free end of the rod is connected to a hook-clamp; a marker is freely placed in the radial cavity of another spherical plug; moreover, the collar, elements of the extension cord, hook-latch, self-tightening buckle and spring clip are made of plastic material. 2. Hemostatic tourniquet according to claim 1, in which the thrust is made of lavsan. 3. Hemostatic tourniquet according to claim 2, in which the collar, elements of the collar extension, hook-lock, self-tightening buckle and spring clip are made of P-12B-20 polyamide. 4. The hemostatic tourniquet according to claim 2, in which the collar, elements of the collar extension, a detent hook, a self-tightening buckle and a spring clip are made of metal.

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