RU185384U1 - Device for connecting medical tubes - Google Patents

Abstract

The claimed technical solution relates to medical equipment, and in particular to devices for connecting tubes of various diameters, used, in particular, for drainage of wounds and festering residual cavities. In the device for connecting medical tubes made in the form of a Y-shape and containing three tubular channels, the first and second channels have the same inner and outer diameters, and the third channel, according to the claimed solution, is made with a stepped inner diameter, changing from a smaller one to the outer the edges of the channel to the larger in the direction of articulation of the channels, and this channel is configured to separate part of the channel along the border of each of the inner diameters. On the outer surface of the third channel, annular grooves can be made arranged in accordance with the boundaries separating the inner diameters. The third channel may additionally have groove markings corresponding to the inner diameters. The axis of the channels are parallel to each other. The technical result is to improve the operational characteristics of the device for connecting medical tubes.

Description

The claimed technical solution relates to medical equipment, and in particular to devices for connecting tubes of various diameters, used, in particular for drainage of wounds and festering residual cavities.

When performing surgical operations, treating purulent wounds and complications of soft tissues, there is a need for effective drainage.

Various drainage devices are known in the art which are adapted to be connected to a container for medicinal substances and a container of an exudate collector. In particular, such devices are disclosed in the following patent documents: SU880432A1 (IPC A61M25 / 00, published November 15, 1981), RU2292922 (IPC A61M27 / 00, published 02/10/2007), RU2557427 (IPC A61M27 / 00, published July 20, 2015) , RU150872 (IPC A61M27 / 00, published 02.27.2015). Typically, such devices are configured to be connected to a container for delivering drugs, however, the means for such a connection are either not disclosed in known documents or have a specific, specific diameter for connecting to the container. Nevertheless, there is a need to provide the possibility of connecting a container for medicines with output tubes of different diameters, since different manufacturing companies produce drugs packaged in containers that have output tubes of though standard, but still different diameters.

Currently, various adapters are used to solve this problem, allowing you to connect tubes of different diameters. In particular, such devices are known from the following documents: US6332467 (IPC A61J15 / 00; A61M39 / 20; A61M5 / 14, published 25-12-2001), CN 204158886 (IPC A61M39 / 10, published 18-02-2015), DE 2845346 (IPC A61M27 / 00, published 24-04-1980). In said and similar other documents, connecting devices are disclosed in which connecting tubes of various diameters are put on the outside of the channel of the transition device having a variable diameter. This connection does not allow you to create a design, which is a "tube in the tube", which allows the supply of the treatment solution through the inner tube and the evacuation of exudate from the external outlet channel.

As the closest analogue, the known device for connecting medical tubes according to the patent CN 201575262 (IPC A61M1 / 36; A61M39 / 10; F16L41 / 02, published 08-09-2010) was selected. The known device is a connector for medical tubes of various diameters, the two channels of which have the same diameter, and the third channel has a smaller diameter. The difference of the claimed technical solution from the known device is that the third channel has a variable inner diameter, while the axis of the channels are parallel to each other.

The objective of the proposed technical solution is to create a device for connecting medical tubes of various diameters with the possibility of introducing one of the tubes into the other.

The technical result is to improve the operational characteristics of the device for connecting medical tubes.

The claimed technical result is achieved by the fact that in the device for connecting medical tubes made in the form of a Y-shape and containing three tubular channels, the first and second channels have the same inner and outer diameters, and the third channel, according to the claimed solution, is made with a stepped inner diameter varying from the smaller at the outer edge of the channel to the larger in the direction of articulation of the channels, and this channel is configured to separate part of the channel along the border of each of the inner diameters. On the outer surface of the third channel, annular grooves can be made arranged in accordance with the boundaries separating the inner diameters. The third channel may additionally have groove markings corresponding to the inner diameters. The axis of the channels are parallel to each other.

The implementation of the device for connecting medical tubes in the form of a Y-shape, in which the third channel is made with a stepped inner diameter, changing from the smaller at the outer edge, the channel to the larger in the direction of joint channels, allows you to connect the tube through the third channel so that it can pass into the tube connected to one of the other inputs. In this case, the selection of the desired inner diameter of the third channel is carried out by removing part of the third channel to the part whose inner diameter corresponds to the diameter of the connected tube. This allows you to make a reliable connection of the container with the drug with the inventive device and enter the connected tube inside another tube, which is installed in the wound or cavity and through which the exudate is removed. To remove part of the third channel, annular grooves are arranged on its outer surface, arranged in accordance with the boundaries dividing the inner diameters. You can remove part of the channel to access the desired internal diameter by simply breaking off the specified annular groove. For more convenient determination of the required breaking point, on the outer surface of the third channel, grooves corresponding to the inner diameters are marked, made, for example, in the form of a notch or thinning of the wall. For convenient placement of the drainage system, for which the inventive device for connecting the pipes is used, the axis of the channels are parallel to each other, which allows compactly fastening the drainage, eliminating protruding parts that can lead to separation of the pipes and depressurization of the drainage system.

Further, the claimed solution is illustrated using the figures. The figure 1 shows a General view of the device. The figure 2 shows a longitudinal section of the device along the central axis. In the presented figures, the first channel (1), the second channel (2), the third channel (3), the inner step diameter (4) of the third channel (3), and the annular grooves (5) are indicated.

The inventive device can be made of any bioinert material having the necessary strength characteristics while observing the declared geometry. The third channel (3) can be made with the following internal diameters, from the outer edge in the direction of articulation of the channels, respectively: 3.1; 3.7; 4.3; 5 mm. Such dimensions correspond to the most commonly used diameters of medical tubes used in surgery and drainage. The dimensions of the device can be different, in the preferred embodiment, the total length of the device is 53 mm, the length of each channel is up to 20 mm, the outer diameter of the channels is 10 mm, the inner diameter of the first and second channels is 8 mm. The depth of the annular groove on the outside of the third channel is 0.4 mm, the width is 0.7 mm.

The device is used as follows: determining the required drainage geometry for a particular wound, taking into account the nature of the place and the predicted discharge, determine the necessary internal diameter (4), the length of the internal and external connected tubes, then mark the breakage place by marking the grooves and break off the excess channel segment (3) with a variable (step) inner diameter (4) along the selected annular groove (5). Then, in the direction from the outside, the tube is passed through the channel (3) into the collector segment of the device into the channel (1) to the required depth. Further, a tube of a larger diameter is put on the outer diameter of the channel (1) (collector segment of the device). As a result of the actions obtained, a structure is obtained with the fundamental arrangement of the tube in the tube and a sealed transition point. Further, in accordance with clinical need, a drainage tube connected to a container for collecting the discharge is connected to the channel (2), and this design can be used as passive drainage, active drainage in the air stream, active drainage with constant discharge at the distal end with a bolus or continuous flushing of the channel.

The presented figures, a description of the design and use of the device do not exhaust the possible options for execution and do not in any way limit the scope of the claimed technical solution. Other options are possible in the scope of the claimed formula. In particular, detachable segments of variable diameters can be used independently as adapters for tubes of different diameters and allow you to create a tight connection of the tubes.

Claims (4)

1. A device for connecting medical tubes made in the form of a Y-shape and containing three tubular channels, the first and second channels having the same inner and outer diameters, characterized in that the third channel is made with a stepped inner diameter, changing from a smaller the outer edge of the channel to the larger in the direction of articulation of the channels, and this channel is configured to separate part of the channel along the border of each of the inner diameters. 2. The device according to p. 1, characterized in that on the outer surface of the third channel are made annular grooves located in accordance with the boundaries dividing the inner diameters. 3. The device according to claim 2, characterized in that the third channel has groove markings corresponding to the inner diameters. 4. The device according to p. 1, characterized in that the axis of the channels are parallel to each other.

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