RU1803088C - Chamber for insulating extremities against external medium - Google Patents

Abstract

Usage: the invention relates to medicine, specifically to traumatology and orthopedics, as well as to surgery. SUMMARY OF THE INVENTION: a chamber for isolating a limb from the external environment contains two sealing cuffs with concentric annular ducts and a shell in the form of two coaxially arranged rigid hollow cylinders of gas-permeable material having through-cuts in the side walls. The slot in the outer cylinder is closed by a gas-permeable transparent film hermetically connected to it. 5 ill.

Description

The invention relates to medicine, specifically to traumatology and orthopedics, as well as to surgery.

The purpose of the invention is to provide aeration and open access to the area of damage and reduce trauma during dressings.

In FIG. 1 shows a general view of the device; in FIG. 2 - connection of cylinders with a cuff; in FIG. 3 - limb attachment; in FIG. 4 - a device mounted on a limb; in FIG. 5 the same, with open access to the zone of damage.

. The device comprises an inner cylinder 1, an outer cylinder 2 and a sleeve 3. The inner cylinder 1 contains a through slot 4, an outer cylinder 2-slot 5, in which a transparent, gas-exchange and sufficiently strong film 6 is movably and tightly placed. Each cuff 3 is made with a support ring 7 containing

annular grooves 8. In the grooves 8, the ends 1 have cylinders 1 and 2.

The inner working surface of the cylinder 1 may be roughened: this increases the antimicrobial surface of the bactericidal coating (copper and silver). On the inner surface of the cylinder 1, as well as the support ring 7 can be installed at an angle to the working surface of the device, for example, elastic chambers 9 for supporting the limbs, connected with the nipple 10 by means of the tube 11. The film 6 is extensible and is fixed hermetically to the window 5 with a lock element 12. The axial rotation of the cylinders 1 and 2 is limited by the adjuster 13.

Cylinders 1 and 2 are made of hard polymer gas exchange material or light metal grades that are approved for use in medicine. Each cylinder on both sides contains a metallized coating of bactericidal metals:

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di, silver and other metals with bactericidal properties.

Cylinders 1 and 2 can also be made of rigid polymer frames wrapped in foil (attached to a special film to prevent mechanical damage) from these metals. The metallized surface is created chemically or electrochemically; Other known metallization methods (vacuum spraying, etc.) may be used. Microperforations are contained on the surface of the cylinders to allow ventilation of the air space between the device and the limb of the patient. Narrow grooves can be made instead of perforations (they are covered with, for example, gauze to prevent dust from entering from outside).

The cuff 3 is elastic and soft in the part that wraps around the limb of the patient. In other areas, it is tough. With the support ring 7, the collar 3 is connected to the cylinders 1 and 2. To this end, grooves 8 are made in the support ring 7; one is inner for the inner cylinder 1, the other is outer for the outer cylinder 2. The grooves 8 are closed and have the shape of a circle under the cylinders 1 and 2. Cylinders 1 and 2 move freely in these grooves clockwise and counterclockwise.

Slots 4 and 5 coincide, as they have the same shape and size. Slot 4 does not contain a film coating and is essentially a rectangular groove.

Slot 5 contains a film b of a solid or flexible, but strained, transparent, polymer bioinert gas exchange material. Therefore, the film 6 has, firstly, a protective function - prevents the penetration of infection from the outside into the internal space of the device; secondly, for visual observation of the wound. The film 6 is tilted (or pushed back) to expose window 5 and to be manipulated inside the device, which is only feasible when the windows 4 and 5 are set against each other, overlap each other. For this, cylinders 1 and 2 are moved relative to each other until the marked positions of windows 4 and 5 are reached, then to prevent their mutual displacement, the achieved position of the cylinders is fixed by the regulator 13.

The elastic chamber 9 in the form of a backup is designed to support a limb (or other part of the body) in the device. The surface of chamber 9 is treated with antiseptic agents so that it does not become a breeding ground for infection. The purpose of the chamber 9 is to create comfort for the limb and to prevent the wound from touching the working surface of the cylinder 1. The chamber 9 is mounted to move along the inner working surface of the cylinder in a special groove 14 to allow the most optimal installation of the chamber 9 in each case. The camera 9, mounted on a slider 15, is installed using a pin 16 so

5 so that a healthy area of the body is propped up that does not contain wounds. The chamber 9 is removed from the grooves (if not needed). Air or sterile liquid is fed into the chamber 9 through the nipple 10 and the tube 11.

0 The device is used as follows.

Depending on the affected segment of the limb, an appropriate size device is selected. By rotating the cylinders 5 relative to each other, a position is achieved so that the slots 4 and 5 coincide. The achieved position is recorded by the regulator 13. Lighting of the space under the device and its visualization

0 are necessary in order to prevent the device from touching the wound surface; avoid unnecessary shocks, bumps. . .

Relax and unfasten the cuffs 3

5 and put the device on the limb so that the wound surface is completely under the cylinder 1. After that, through the hole in the cylinders formed by the slots 4 and 5, set in the right place

0 elastic chamber 9 and through the nipple 10 and the tube 11 is fed into it a sufficient amount of liquid or air until the chamber 9 is fully stretched. Such a chamber 9 forms an elastic cushion that fixes

5 damaged limb in a conveniently centered position and creates the limbs necessary rest. The number of chambers 9 in one device, depending on its size and anatomical features of the damaged part of the body, can be from 1 to 4 or more. The chamber 9 is moved along the corresponding grooves 14 with the help of the slider 15 and fixed with the help of the pin 16 in the right place and at the level of healthy parts of the body free from wounds and injuries. The mobility of the chambers 9 allows, if necessary, to change their position and to fix it again in the right place of the pin 16. After the limbs are conveniently placed in the device and the wound surface is treated appropriately, the slot 4 is closed by the outer cylinder 2 by rotation and movement in the outer groove 8 As a result, the slot 5 coated with the film 6 is displaced and located away from the slot A, and the slot 4, in turn, is covered with an opaque cylinder 2 containing a coating of a bactericidal metal (silver, di, etc.). The possibility of displacement of the cylinder 2 allows the inert, non-therapeutic area occupied by the window to be converted into a therapeutic area coated with bactericidal agents.

The possibility of displacement of the cylinder 1 allows you to move the slot 4 from place to place and thereby allows you to gaze cover the entire wound surface. In sealed conditions, which is very important, since additional infection of the wound from the outside is excluded, especially in the purulent compartments the presence of a hospital infection.

The device is convenient for the patient. Allows wounds to be opened openly, especially in the case of Burns wounds. Reduces the number of traditional dressings; reduces the invasiveness of the treatment; creates a closed ventilated space and has a bacteriostatic and bactericidal effect on the wound. The device includes completely allergic and toxic effects on the patient’s body, since it does not come into contact with the wound and the patient’s body, but exerts its therapeutic effect at distances up to 30 mm or more.

To enable simultaneous complex treatment, the device can be equipped with an additional ultrasonic and laser unit, the working parts of which can be placed on the inner surface of the cylinder 1. It is also possible to place the working parts of various physical systems (magnet, etc.).

Claims (1)

The claims A chamber for isolating the limb from the external environment, containing two sealing cuffs, between which is treated with antiseptic a shell with a cavity for placing a limb, characterized in that, in order to provide aeration and open access to the damage zone and to reduce trauma during dressings, the cuffs are made with concentric annular grooves, and the shell is in the form of two coaxially arranged rigid hollow cylinders of N gas-permeable material, installed by the ends in the annular grooves of the cuffs with the possibility of fixed axial rotation, through cuts are made in the side walls of the cylinders, while the cut in the outer cylinder is closed tight and movable a gas-permeable transparent film connected to it, and in the cavity of the inner cylinder, fixtures for fixing the limbs are movable relative to its walls. Order 1016 VNIIIPI of the State Committee for Inventions and Discover at the USSR State Committee for Science and Technology 113035, Moscow, Zh-35, Rauska nab., 4/5 Production and Publishing Plant Patent, Uzhhorod, 101 Gagarin St.