CN112121285A - A locking device for fixing a drainage tube - Google Patents

Abstract

The invention is a locking device for fixing a drainage tube, comprising two threaded half tubes fixed on a semicircular base and a shell for locking, and the two semicircular bases are designed with concentric circles. The diameter of the inner ring is equal to the diameter of the drainage tube, and the diameter is adjustable, and the base is attached with a buckle; the half tube is made of compressible and foldable TPR material, the outer layer of the half tube is provided with threads, and the outer shell is sleeved into the drainage tube and rotates along the thread Tighten the half tube to stabilize the fixture. After extubation, compress the half tubes on both sides and fasten the base with buckles. The device can better fix the drainage tube, reduce the pain and discomfort of suture cutting the skin, and can better close the incision after extubation, reducing the occurrence of pneumothorax after extubation, and the silicone and other materials have good skin fit and no knot reaction. , reduce incision infection. The overall structure is simple and effective, and has broad development prospects and economic benefits.

Description

A locking device for fixing a drainage tube

technical field

The invention relates to the field of medical instruments, in particular to a locking device for fixing a drainage tube.

Background technique

The current clinical method of fixing the chest cavity closed drainage tube is the suture fixation method. The disadvantages are as follows: 1. The traditional suture fixation, the drainage tube will pull the skin through the suture, causing pain and discomfort due to repeated cutting of the skin; 2. Pulling out the drainage After incision, poor skin incision will increase the risk of pneumothorax after extubation, which cannot be solved by traditional suture fixation. The sutures are wrapped together and cannot be completely removed, causing infection of the incision, and it is inconvenient to remove the sutures.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the shortcomings of the existing suture fixation method, and propose a thread locking device for fixing a chest cavity closed drainage tube.

In order to achieve the above-mentioned purpose, the patent of the present invention adopts the following technical scheme:

A locking device for fixing a drainage tube, comprising a base, an incomplete tube fixed on the base, and a casing sheathed outside the incomplete tube, the base is provided with a hole, and the incomplete tube is enclosed in the Outside the hole, the inner diameter of the enclosed area is the same as the inner diameter of the hole, and matches the outer diameter of the drainage tube.

Further, the base is two semicircles, and the two semicircles form concentric circles.

Further, the outer shell has a large mouth and a small bottom.

Further, the incomplete tubes are two half tubes.

Further, the outer layer of the half-pipe has a thread design, and the inner layer of the outer casing has threads, and the two threads are matched.

Further, the side wall of the half-pipe has a crease, and is made of TPR material, which can be compressively folded and reduced in height.

Further, a buckle is fixed on one side of the base, and an adhesive surface is arranged on the other side, and the buckle is foldably combined with the adhesive surface to fix the compressed half-pipe and close the hole.

Further, there is a dressing under the base.

Further, the dressing surface has a semi-permeable membrane.

To sum up, due to the adoption of the above-mentioned technical solutions, the beneficial effects of the patent of the present invention are:

1. In the patent of the present invention, through the thread locking structure, the pain and discomfort of traditional suture cutting skin can be reduced under the premise of ensuring a good fixation of the drainage tube.

2. In the patent of the present invention, by attaching the buckle design on the base, the open incision after the drainage tube is removed can be fully closed to reduce the probability of pneumothorax.

3. In the patent of the present invention, the sutures are replaced by materials such as silica gel, which can solve the problems of knot reaction and exudates caused by traditional sutures that cannot be cleaned up.

Description of drawings

Fig. 1 is the main structural schematic diagram in the embodiment of the present invention;

2 is a schematic side view of an embodiment of the present invention;

FIG. 3 is a schematic diagram of the structure of a casing according to an embodiment of the present invention.

FIG. 4 is a schematic structural diagram of the compressed half pipe according to the embodiment of the present invention.

Among them: 1. Base; 2. Threaded half pipe; 3. Thread; 4. Shell; 5. Thread; 6. Buckle; 7. Adhesive surface.

Detailed ways

The technical solutions in the patent embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the patent embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the patent of the present invention, rather than all the implementations. example. Based on the embodiments in the patent of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the patent of the present invention.

1-3, a threaded locking device for fixing a chest cavity closed drainage tube includes two threaded half-pipes 2 fixed on the base 1 and a shell 4 with a small mouth and a large bottom for locking. The base 1 is designed with concentric circles, the diameter of the inner ring is equal to the diameter of the chest cavity closed drainage tube, there is a dressing under the base 1, which can be pasted on the skin after the outer layer is removed; the two threaded half pipes 2 have threads 3 on the outer layer. The design matches the inner thread 5 of the locking shell 4. After fixing the drainage tube, the shell 4 is inserted into the drainage tube, and the half tube 2 is rotated and tightened to stabilize the fixing device. After locking, observe the gap between the base and the skin. Fitting of the half tube and the drainage tube. After the clinical indication of extubation is reached, after the shell 4 is loosened counterclockwise, the drainage tube is pulled out, and then the half tube 2 is compressed vertically, and the buckle 6 attached to the base is pulled to the opposite side, which is folded and fixed on the other side of the base. Paste on side 7.

Further, the abutment direction of the semi-circular silicone base 1 should be perpendicular to the direction of the skin incision when fixing the drainage tube, so as to give the incision a certain force of pressing inward.

Implementation process: When using, first, remove excess fatty tissue from the edge of the incision where the drainage tube is pre-placed, wipe the skin with alcohol, place the drainage tube in the incision and adjust the depth of the cavity, and remove the sticker at the bottom of the base. For the outer layer of the dressing, the two semi-circular silicone bases are aligned along the vertical direction of the incision, stick around the drainage tube, and stick closely to the skin; secondly, put the shell 4 into the drainage tube from the other side of the drainage tube, and gradually Rotate the shell clockwise until the two threaded half tubes 2 are locked; finally, when the clinical indication for extubation is reached, prepare for extubation, unscrew the shell 4 counterclockwise, instruct the patient to hold their breath, remove the drainage tube, and quickly compress the two silicone halves. Tube 2, pull the hasp 6 attached to the base to the opposite side, fold it over and fix it on the base, instruct the patient to breathe normally, and complete.

The two threaded half pipes are made of a hollow cylinder made of tpr material. After continuous threads are engraved on the outer layer, they are divided along the longitudinal axis. After the half pipes are butted together, the threads can be continuous and uninterrupted. The two threaded half-pipes are completely fitted on the silicone base through an integrated design, leaving no gaps at the butt joint to prevent the incision from being affected.

The two half-pipes on the base are made of tpr material. There are creases on the half-pipes. Compress the half-pipes to reduce their height. Pull the hasp attached to the base to the opposite side and fold it over and fix it on the base.

The base can be made of silicone material, and the bottom is made of hydrocolloid dressing. Elastomers, plasticizers, etc. together constitute the dressing body, and its surface has a semi-permeable membrane structure. After the dressing is in contact with the exudate of the chest wall wound of the drainage tube, it can absorb the exudate and form a gel, thereby avoiding the adhesion of the dressing and the wound surface; at the same time, the semi-permeable membrane on the surface can allow the exchange of oxygen and water vapor, but it is not conducive to the exchange of oxygen and water vapor. External foreign objects such as dust and bacteria have barrier properties. After removing the outer layer, it is pasted to the skin, which not only ensures the stability of the base but also protects the wound surface. When fixing the drainage tube, the semicircular silicone base should be perpendicular to the direction of the skin incision, so that the incision can be squeezed inwardly, which is beneficial to the healing of the incision.

The above description is only a preferred embodiment of the patent of the present invention, but the protection scope of the patent of the present invention is not limited to this. The equivalent replacement or change of the technical solution of the patent and its invention patent concept shall be covered by the protection scope of the patent of the present invention.

Claims (9)

1. A locking device for fixing a drainage tube is characterized in that: comprising a base, an incomplete pipe fixed on the base and a casing that is sleeved outside the incomplete pipe, the base has holes, and the incomplete The complete tube is enclosed outside the hole, and the inner diameter of the enclosed area is the same as the inner diameter of the hole, and matches the outer diameter of the drainage tube. 2 . The locking device for fixing a drainage tube according to claim 1 , wherein the base is two semicircles, and the two semicircles form concentric circles. 3 . 3 . The locking device for fixing a drainage tube according to claim 1 , wherein the outer casing has a large mouth and a small bottom. 4 . 4. The locking device for fixing a drainage tube according to claim 1, wherein the incomplete tube is two half tubes. 5 . The locking device for fixing a drainage tube according to claim 4 , wherein the outer layer of the half-pipe has a thread design, and the inner layer of the casing has threads, and the two threads are matched. 6 . 6 . The locking device for fixing a drainage tube according to claim 4 or 5 , wherein the side wall of the half tube has a crease, and is made of TPR material, which can be compressed and folded to reduce the height. 7 . 7 . The locking device for fixing a drainage tube according to claim 6 , wherein a buckle is fixed on one side of the base, and a sticking surface is arranged on the other side, and the buckle is foldably combined with the sticking surface, 8 . The compressed half-pipe is secured, closing the hole. 8. The locking device for fixing a drainage tube according to claim 1 or 7, characterized in that, there is a dressing under the base. 9 . The locking device for fixing a drainage tube according to claim 8 , wherein the dressing surface has a semi-permeable membrane. 10 .

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